Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

8 files changed, 5870 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
new file mode 100644
index 000000000..62bc3756f
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -0,0 +1,855 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/phy/phy.h>
+
+#include "dsi_phy.h"
+
+#define S_DIV_ROUND_UP(n, d)	\
+	(((n) >= 0) ? (((n) + (d) - 1) / (d)) : (((n) - (d) + 1) / (d)))
+
+static inline s32 linear_inter(s32 tmax, s32 tmin, s32 percent,
+				s32 min_result, bool even)
+{
+	s32 v;
+
+	v = (tmax - tmin) * percent;
+	v = S_DIV_ROUND_UP(v, 100) + tmin;
+	if (even && (v & 0x1))
+		return max_t(s32, min_result, v - 1);
+	else
+		return max_t(s32, min_result, v);
+}
+
+static void dsi_dphy_timing_calc_clk_zero(struct msm_dsi_dphy_timing *timing,
+					s32 ui, s32 coeff, s32 pcnt)
+{
+	s32 tmax, tmin, clk_z;
+	s32 temp;
+
+	/* reset */
+	temp = 300 * coeff - ((timing->clk_prepare >> 1) + 1) * 2 * ui;
+	tmin = S_DIV_ROUND_UP(temp, ui) - 2;
+	if (tmin > 255) {
+		tmax = 511;
+		clk_z = linear_inter(2 * tmin, tmin, pcnt, 0, true);
+	} else {
+		tmax = 255;
+		clk_z = linear_inter(tmax, tmin, pcnt, 0, true);
+	}
+
+	/* adjust */
+	temp = (timing->hs_rqst + timing->clk_prepare + clk_z) & 0x7;
+	timing->clk_zero = clk_z + 8 - temp;
+}
+
+int msm_dsi_dphy_timing_calc(struct msm_dsi_dphy_timing *timing,
+			     struct msm_dsi_phy_clk_request *clk_req)
+{
+	const unsigned long bit_rate = clk_req->bitclk_rate;
+	const unsigned long esc_rate = clk_req->escclk_rate;
+	s32 ui, lpx;
+	s32 tmax, tmin;
+	s32 pcnt0 = 10;
+	s32 pcnt1 = (bit_rate > 1200000000) ? 15 : 10;
+	s32 pcnt2 = 10;
+	s32 pcnt3 = (bit_rate > 180000000) ? 10 : 40;
+	s32 coeff = 1000; /* Precision, should avoid overflow */
+	s32 temp;
+
+	if (!bit_rate || !esc_rate)
+		return -EINVAL;
+
+	ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
+	lpx = mult_frac(NSEC_PER_MSEC, coeff, esc_rate / 1000);
+
+	tmax = S_DIV_ROUND_UP(95 * coeff, ui) - 2;
+	tmin = S_DIV_ROUND_UP(38 * coeff, ui) - 2;
+	timing->clk_prepare = linear_inter(tmax, tmin, pcnt0, 0, true);
+
+	temp = lpx / ui;
+	if (temp & 0x1)
+		timing->hs_rqst = temp;
+	else
+		timing->hs_rqst = max_t(s32, 0, temp - 2);
+
+	/* Calculate clk_zero after clk_prepare and hs_rqst */
+	dsi_dphy_timing_calc_clk_zero(timing, ui, coeff, pcnt2);
+
+	temp = 105 * coeff + 12 * ui - 20 * coeff;
+	tmax = S_DIV_ROUND_UP(temp, ui) - 2;
+	tmin = S_DIV_ROUND_UP(60 * coeff, ui) - 2;
+	timing->clk_trail = linear_inter(tmax, tmin, pcnt3, 0, true);
+
+	temp = 85 * coeff + 6 * ui;
+	tmax = S_DIV_ROUND_UP(temp, ui) - 2;
+	temp = 40 * coeff + 4 * ui;
+	tmin = S_DIV_ROUND_UP(temp, ui) - 2;
+	timing->hs_prepare = linear_inter(tmax, tmin, pcnt1, 0, true);
+
+	tmax = 255;
+	temp = ((timing->hs_prepare >> 1) + 1) * 2 * ui + 2 * ui;
+	temp = 145 * coeff + 10 * ui - temp;
+	tmin = S_DIV_ROUND_UP(temp, ui) - 2;
+	timing->hs_zero = linear_inter(tmax, tmin, pcnt2, 24, true);
+
+	temp = 105 * coeff + 12 * ui - 20 * coeff;
+	tmax = S_DIV_ROUND_UP(temp, ui) - 2;
+	temp = 60 * coeff + 4 * ui;
+	tmin = DIV_ROUND_UP(temp, ui) - 2;
+	timing->hs_trail = linear_inter(tmax, tmin, pcnt3, 0, true);
+
+	tmax = 255;
+	tmin = S_DIV_ROUND_UP(100 * coeff, ui) - 2;
+	timing->hs_exit = linear_inter(tmax, tmin, pcnt2, 0, true);
+
+	tmax = 63;
+	temp = ((timing->hs_exit >> 1) + 1) * 2 * ui;
+	temp = 60 * coeff + 52 * ui - 24 * ui - temp;
+	tmin = S_DIV_ROUND_UP(temp, 8 * ui) - 1;
+	timing->shared_timings.clk_post = linear_inter(tmax, tmin, pcnt2, 0,
+						       false);
+	tmax = 63;
+	temp = ((timing->clk_prepare >> 1) + 1) * 2 * ui;
+	temp += ((timing->clk_zero >> 1) + 1) * 2 * ui;
+	temp += 8 * ui + lpx;
+	tmin = S_DIV_ROUND_UP(temp, 8 * ui) - 1;
+	if (tmin > tmax) {
+		temp = linear_inter(2 * tmax, tmin, pcnt2, 0, false);
+		timing->shared_timings.clk_pre = temp >> 1;
+		timing->shared_timings.clk_pre_inc_by_2 = true;
+	} else {
+		timing->shared_timings.clk_pre =
+				linear_inter(tmax, tmin, pcnt2, 0, false);
+		timing->shared_timings.clk_pre_inc_by_2 = false;
+	}
+
+	timing->ta_go = 3;
+	timing->ta_sure = 0;
+	timing->ta_get = 4;
+
+	DBG("PHY timings: %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d",
+		timing->shared_timings.clk_pre, timing->shared_timings.clk_post,
+		timing->shared_timings.clk_pre_inc_by_2, timing->clk_zero,
+		timing->clk_trail, timing->clk_prepare, timing->hs_exit,
+		timing->hs_zero, timing->hs_prepare, timing->hs_trail,
+		timing->hs_rqst);
+
+	return 0;
+}
+
+int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing,
+				struct msm_dsi_phy_clk_request *clk_req)
+{
+	const unsigned long bit_rate = clk_req->bitclk_rate;
+	const unsigned long esc_rate = clk_req->escclk_rate;
+	s32 ui, ui_x8;
+	s32 tmax, tmin;
+	s32 pcnt0 = 50;
+	s32 pcnt1 = 50;
+	s32 pcnt2 = 10;
+	s32 pcnt3 = 30;
+	s32 pcnt4 = 10;
+	s32 pcnt5 = 2;
+	s32 coeff = 1000; /* Precision, should avoid overflow */
+	s32 hb_en, hb_en_ckln, pd_ckln, pd;
+	s32 val, val_ckln;
+	s32 temp;
+
+	if (!bit_rate || !esc_rate)
+		return -EINVAL;
+
+	timing->hs_halfbyte_en = 0;
+	hb_en = 0;
+	timing->hs_halfbyte_en_ckln = 0;
+	hb_en_ckln = 0;
+	timing->hs_prep_dly_ckln = (bit_rate > 100000000) ? 0 : 3;
+	pd_ckln = timing->hs_prep_dly_ckln;
+	timing->hs_prep_dly = (bit_rate > 120000000) ? 0 : 1;
+	pd = timing->hs_prep_dly;
+
+	val = (hb_en << 2) + (pd << 1);
+	val_ckln = (hb_en_ckln << 2) + (pd_ckln << 1);
+
+	ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
+	ui_x8 = ui << 3;
+
+	temp = S_DIV_ROUND_UP(38 * coeff - val_ckln * ui, ui_x8);
+	tmin = max_t(s32, temp, 0);
+	temp = (95 * coeff - val_ckln * ui) / ui_x8;
+	tmax = max_t(s32, temp, 0);
+	timing->clk_prepare = linear_inter(tmax, tmin, pcnt0, 0, false);
+
+	temp = 300 * coeff - ((timing->clk_prepare << 3) + val_ckln) * ui;
+	tmin = S_DIV_ROUND_UP(temp - 11 * ui, ui_x8) - 3;
+	tmax = (tmin > 255) ? 511 : 255;
+	timing->clk_zero = linear_inter(tmax, tmin, pcnt5, 0, false);
+
+	tmin = DIV_ROUND_UP(60 * coeff + 3 * ui, ui_x8);
+	temp = 105 * coeff + 12 * ui - 20 * coeff;
+	tmax = (temp + 3 * ui) / ui_x8;
+	timing->clk_trail = linear_inter(tmax, tmin, pcnt3, 0, false);
+
+	temp = S_DIV_ROUND_UP(40 * coeff + 4 * ui - val * ui, ui_x8);
+	tmin = max_t(s32, temp, 0);
+	temp = (85 * coeff + 6 * ui - val * ui) / ui_x8;
+	tmax = max_t(s32, temp, 0);
+	timing->hs_prepare = linear_inter(tmax, tmin, pcnt1, 0, false);
+
+	temp = 145 * coeff + 10 * ui - ((timing->hs_prepare << 3) + val) * ui;
+	tmin = S_DIV_ROUND_UP(temp - 11 * ui, ui_x8) - 3;
+	tmax = 255;
+	timing->hs_zero = linear_inter(tmax, tmin, pcnt4, 0, false);
+
+	tmin = DIV_ROUND_UP(60 * coeff + 4 * ui + 3 * ui, ui_x8);
+	temp = 105 * coeff + 12 * ui - 20 * coeff;
+	tmax = (temp + 3 * ui) / ui_x8;
+	timing->hs_trail = linear_inter(tmax, tmin, pcnt3, 0, false);
+
+	temp = 50 * coeff + ((hb_en << 2) - 8) * ui;
+	timing->hs_rqst = S_DIV_ROUND_UP(temp, ui_x8);
+
+	tmin = DIV_ROUND_UP(100 * coeff, ui_x8) - 1;
+	tmax = 255;
+	timing->hs_exit = linear_inter(tmax, tmin, pcnt2, 0, false);
+
+	temp = 50 * coeff + ((hb_en_ckln << 2) - 8) * ui;
+	timing->hs_rqst_ckln = S_DIV_ROUND_UP(temp, ui_x8);
+
+	temp = 60 * coeff + 52 * ui - 43 * ui;
+	tmin = DIV_ROUND_UP(temp, ui_x8) - 1;
+	tmax = 63;
+	timing->shared_timings.clk_post =
+				linear_inter(tmax, tmin, pcnt2, 0, false);
+
+	temp = 8 * ui + ((timing->clk_prepare << 3) + val_ckln) * ui;
+	temp += (((timing->clk_zero + 3) << 3) + 11 - (pd_ckln << 1)) * ui;
+	temp += hb_en_ckln ? (((timing->hs_rqst_ckln << 3) + 4) * ui) :
+				(((timing->hs_rqst_ckln << 3) + 8) * ui);
+	tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1;
+	tmax = 63;
+	if (tmin > tmax) {
+		temp = linear_inter(tmax << 1, tmin, pcnt2, 0, false);
+		timing->shared_timings.clk_pre = temp >> 1;
+		timing->shared_timings.clk_pre_inc_by_2 = 1;
+	} else {
+		timing->shared_timings.clk_pre =
+				linear_inter(tmax, tmin, pcnt2, 0, false);
+		timing->shared_timings.clk_pre_inc_by_2 = 0;
+	}
+
+	timing->ta_go = 3;
+	timing->ta_sure = 0;
+	timing->ta_get = 4;
+
+	DBG("%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d",
+	    timing->shared_timings.clk_pre, timing->shared_timings.clk_post,
+	    timing->shared_timings.clk_pre_inc_by_2, timing->clk_zero,
+	    timing->clk_trail, timing->clk_prepare, timing->hs_exit,
+	    timing->hs_zero, timing->hs_prepare, timing->hs_trail,
+	    timing->hs_rqst, timing->hs_rqst_ckln, timing->hs_halfbyte_en,
+	    timing->hs_halfbyte_en_ckln, timing->hs_prep_dly,
+	    timing->hs_prep_dly_ckln);
+
+	return 0;
+}
+
+int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing,
+	struct msm_dsi_phy_clk_request *clk_req)
+{
+	const unsigned long bit_rate = clk_req->bitclk_rate;
+	const unsigned long esc_rate = clk_req->escclk_rate;
+	s32 ui, ui_x8;
+	s32 tmax, tmin;
+	s32 pcnt0 = 50;
+	s32 pcnt1 = 50;
+	s32 pcnt2 = 10;
+	s32 pcnt3 = 30;
+	s32 pcnt4 = 10;
+	s32 pcnt5 = 2;
+	s32 coeff = 1000; /* Precision, should avoid overflow */
+	s32 hb_en, hb_en_ckln;
+	s32 temp;
+
+	if (!bit_rate || !esc_rate)
+		return -EINVAL;
+
+	timing->hs_halfbyte_en = 0;
+	hb_en = 0;
+	timing->hs_halfbyte_en_ckln = 0;
+	hb_en_ckln = 0;
+
+	ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
+	ui_x8 = ui << 3;
+
+	temp = S_DIV_ROUND_UP(38 * coeff, ui_x8);
+	tmin = max_t(s32, temp, 0);
+	temp = (95 * coeff) / ui_x8;
+	tmax = max_t(s32, temp, 0);
+	timing->clk_prepare = linear_inter(tmax, tmin, pcnt0, 0, false);
+
+	temp = 300 * coeff - (timing->clk_prepare << 3) * ui;
+	tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1;
+	tmax = (tmin > 255) ? 511 : 255;
+	timing->clk_zero = linear_inter(tmax, tmin, pcnt5, 0, false);
+
+	tmin = DIV_ROUND_UP(60 * coeff + 3 * ui, ui_x8);
+	temp = 105 * coeff + 12 * ui - 20 * coeff;
+	tmax = (temp + 3 * ui) / ui_x8;
+	timing->clk_trail = linear_inter(tmax, tmin, pcnt3, 0, false);
+
+	temp = S_DIV_ROUND_UP(40 * coeff + 4 * ui, ui_x8);
+	tmin = max_t(s32, temp, 0);
+	temp = (85 * coeff + 6 * ui) / ui_x8;
+	tmax = max_t(s32, temp, 0);
+	timing->hs_prepare = linear_inter(tmax, tmin, pcnt1, 0, false);
+
+	temp = 145 * coeff + 10 * ui - (timing->hs_prepare << 3) * ui;
+	tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1;
+	tmax = 255;
+	timing->hs_zero = linear_inter(tmax, tmin, pcnt4, 0, false);
+
+	tmin = DIV_ROUND_UP(60 * coeff + 4 * ui, ui_x8) - 1;
+	temp = 105 * coeff + 12 * ui - 20 * coeff;
+	tmax = (temp / ui_x8) - 1;
+	timing->hs_trail = linear_inter(tmax, tmin, pcnt3, 0, false);
+
+	temp = 50 * coeff + ((hb_en << 2) - 8) * ui;
+	timing->hs_rqst = S_DIV_ROUND_UP(temp, ui_x8);
+
+	tmin = DIV_ROUND_UP(100 * coeff, ui_x8) - 1;
+	tmax = 255;
+	timing->hs_exit = linear_inter(tmax, tmin, pcnt2, 0, false);
+
+	temp = 50 * coeff + ((hb_en_ckln << 2) - 8) * ui;
+	timing->hs_rqst_ckln = S_DIV_ROUND_UP(temp, ui_x8);
+
+	temp = 60 * coeff + 52 * ui - 43 * ui;
+	tmin = DIV_ROUND_UP(temp, ui_x8) - 1;
+	tmax = 63;
+	timing->shared_timings.clk_post =
+		linear_inter(tmax, tmin, pcnt2, 0, false);
+
+	temp = 8 * ui + (timing->clk_prepare << 3) * ui;
+	temp += (((timing->clk_zero + 3) << 3) + 11) * ui;
+	temp += hb_en_ckln ? (((timing->hs_rqst_ckln << 3) + 4) * ui) :
+		(((timing->hs_rqst_ckln << 3) + 8) * ui);
+	tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1;
+	tmax = 63;
+	if (tmin > tmax) {
+		temp = linear_inter(tmax << 1, tmin, pcnt2, 0, false);
+		timing->shared_timings.clk_pre = temp >> 1;
+		timing->shared_timings.clk_pre_inc_by_2 = 1;
+	} else {
+		timing->shared_timings.clk_pre =
+			linear_inter(tmax, tmin, pcnt2, 0, false);
+		timing->shared_timings.clk_pre_inc_by_2 = 0;
+	}
+
+	timing->ta_go = 3;
+	timing->ta_sure = 0;
+	timing->ta_get = 4;
+
+	DBG("%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d",
+		timing->shared_timings.clk_pre, timing->shared_timings.clk_post,
+		timing->shared_timings.clk_pre_inc_by_2, timing->clk_zero,
+		timing->clk_trail, timing->clk_prepare, timing->hs_exit,
+		timing->hs_zero, timing->hs_prepare, timing->hs_trail,
+		timing->hs_rqst, timing->hs_rqst_ckln, timing->hs_halfbyte_en,
+		timing->hs_halfbyte_en_ckln, timing->hs_prep_dly,
+		timing->hs_prep_dly_ckln);
+
+	return 0;
+}
+
+int msm_dsi_dphy_timing_calc_v4(struct msm_dsi_dphy_timing *timing,
+	struct msm_dsi_phy_clk_request *clk_req)
+{
+	const unsigned long bit_rate = clk_req->bitclk_rate;
+	const unsigned long esc_rate = clk_req->escclk_rate;
+	s32 ui, ui_x8;
+	s32 tmax, tmin;
+	s32 pcnt_clk_prep = 50;
+	s32 pcnt_clk_zero = 2;
+	s32 pcnt_clk_trail = 30;
+	s32 pcnt_hs_prep = 50;
+	s32 pcnt_hs_zero = 10;
+	s32 pcnt_hs_trail = 30;
+	s32 pcnt_hs_exit = 10;
+	s32 coeff = 1000; /* Precision, should avoid overflow */
+	s32 hb_en;
+	s32 temp;
+
+	if (!bit_rate || !esc_rate)
+		return -EINVAL;
+
+	hb_en = 0;
+
+	ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
+	ui_x8 = ui << 3;
+
+	/* TODO: verify these calculations against latest downstream driver
+	 * everything except clk_post/clk_pre uses calculations from v3 based
+	 * on the downstream driver having the same calculations for v3 and v4
+	 */
+
+	temp = S_DIV_ROUND_UP(38 * coeff, ui_x8);
+	tmin = max_t(s32, temp, 0);
+	temp = (95 * coeff) / ui_x8;
+	tmax = max_t(s32, temp, 0);
+	timing->clk_prepare = linear_inter(tmax, tmin, pcnt_clk_prep, 0, false);
+
+	temp = 300 * coeff - (timing->clk_prepare << 3) * ui;
+	tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1;
+	tmax = (tmin > 255) ? 511 : 255;
+	timing->clk_zero = linear_inter(tmax, tmin, pcnt_clk_zero, 0, false);
+
+	tmin = DIV_ROUND_UP(60 * coeff + 3 * ui, ui_x8);
+	temp = 105 * coeff + 12 * ui - 20 * coeff;
+	tmax = (temp + 3 * ui) / ui_x8;
+	timing->clk_trail = linear_inter(tmax, tmin, pcnt_clk_trail, 0, false);
+
+	temp = S_DIV_ROUND_UP(40 * coeff + 4 * ui, ui_x8);
+	tmin = max_t(s32, temp, 0);
+	temp = (85 * coeff + 6 * ui) / ui_x8;
+	tmax = max_t(s32, temp, 0);
+	timing->hs_prepare = linear_inter(tmax, tmin, pcnt_hs_prep, 0, false);
+
+	temp = 145 * coeff + 10 * ui - (timing->hs_prepare << 3) * ui;
+	tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1;
+	tmax = 255;
+	timing->hs_zero = linear_inter(tmax, tmin, pcnt_hs_zero, 0, false);
+
+	tmin = DIV_ROUND_UP(60 * coeff + 4 * ui, ui_x8) - 1;
+	temp = 105 * coeff + 12 * ui - 20 * coeff;
+	tmax = (temp / ui_x8) - 1;
+	timing->hs_trail = linear_inter(tmax, tmin, pcnt_hs_trail, 0, false);
+
+	temp = 50 * coeff + ((hb_en << 2) - 8) * ui;
+	timing->hs_rqst = S_DIV_ROUND_UP(temp, ui_x8);
+
+	tmin = DIV_ROUND_UP(100 * coeff, ui_x8) - 1;
+	tmax = 255;
+	timing->hs_exit = linear_inter(tmax, tmin, pcnt_hs_exit, 0, false);
+
+	/* recommended min
+	 * = roundup((mipi_min_ns + t_hs_trail_ns)/(16*bit_clk_ns), 0) - 1
+	 */
+	temp = 60 * coeff + 52 * ui + + (timing->hs_trail + 1) * ui_x8;
+	tmin = DIV_ROUND_UP(temp, 16 * ui) - 1;
+	tmax = 255;
+	timing->shared_timings.clk_post = linear_inter(tmax, tmin, 5, 0, false);
+
+	/* recommended min
+	 * val1 = (tlpx_ns + clk_prepare_ns + clk_zero_ns + hs_rqst_ns)
+	 * val2 = (16 * bit_clk_ns)
+	 * final = roundup(val1/val2, 0) - 1
+	 */
+	temp = 52 * coeff + (timing->clk_prepare + timing->clk_zero + 1) * ui_x8 + 54 * coeff;
+	tmin = DIV_ROUND_UP(temp, 16 * ui) - 1;
+	tmax = 255;
+	timing->shared_timings.clk_pre = DIV_ROUND_UP((tmax - tmin) * 125, 10000) + tmin;
+
+	DBG("%d, %d, %d, %d, %d, %d, %d, %d, %d, %d",
+		timing->shared_timings.clk_pre, timing->shared_timings.clk_post,
+		timing->clk_zero, timing->clk_trail, timing->clk_prepare, timing->hs_exit,
+		timing->hs_zero, timing->hs_prepare, timing->hs_trail, timing->hs_rqst);
+
+	return 0;
+}
+
+int msm_dsi_cphy_timing_calc_v4(struct msm_dsi_dphy_timing *timing,
+	struct msm_dsi_phy_clk_request *clk_req)
+{
+	const unsigned long bit_rate = clk_req->bitclk_rate;
+	const unsigned long esc_rate = clk_req->escclk_rate;
+	s32 ui, ui_x7;
+	s32 tmax, tmin;
+	s32 coeff = 1000; /* Precision, should avoid overflow */
+	s32 temp;
+
+	if (!bit_rate || !esc_rate)
+		return -EINVAL;
+
+	ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
+	ui_x7 = ui * 7;
+
+	temp = S_DIV_ROUND_UP(38 * coeff, ui_x7);
+	tmin = max_t(s32, temp, 0);
+	temp = (95 * coeff) / ui_x7;
+	tmax = max_t(s32, temp, 0);
+	timing->clk_prepare = linear_inter(tmax, tmin, 50, 0, false);
+
+	tmin = DIV_ROUND_UP(50 * coeff, ui_x7);
+	tmax = 255;
+	timing->hs_rqst = linear_inter(tmax, tmin, 1, 0, false);
+
+	tmin = DIV_ROUND_UP(100 * coeff, ui_x7) - 1;
+	tmax = 255;
+	timing->hs_exit = linear_inter(tmax, tmin, 10, 0, false);
+
+	tmin = 1;
+	tmax = 32;
+	timing->shared_timings.clk_post = linear_inter(tmax, tmin, 80, 0, false);
+
+	tmin = min_t(s32, 64, S_DIV_ROUND_UP(262 * coeff, ui_x7) - 1);
+	tmax = 64;
+	timing->shared_timings.clk_pre = linear_inter(tmax, tmin, 20, 0, false);
+
+	DBG("%d, %d, %d, %d, %d",
+		timing->shared_timings.clk_pre, timing->shared_timings.clk_post,
+		timing->clk_prepare, timing->hs_exit, timing->hs_rqst);
+
+	return 0;
+}
+
+static int dsi_phy_enable_resource(struct msm_dsi_phy *phy)
+{
+	struct device *dev = &phy->pdev->dev;
+	int ret;
+
+	ret = pm_runtime_resume_and_get(dev);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(phy->ahb_clk);
+	if (ret) {
+		DRM_DEV_ERROR(dev, "%s: can't enable ahb clk, %d\n", __func__, ret);
+		pm_runtime_put_sync(dev);
+	}
+
+	return ret;
+}
+
+static void dsi_phy_disable_resource(struct msm_dsi_phy *phy)
+{
+	clk_disable_unprepare(phy->ahb_clk);
+	pm_runtime_put(&phy->pdev->dev);
+}
+
+static const struct of_device_id dsi_phy_dt_match[] = {
+#ifdef CONFIG_DRM_MSM_DSI_28NM_PHY
+	{ .compatible = "qcom,dsi-phy-28nm-hpm",
+	  .data = &dsi_phy_28nm_hpm_cfgs },
+	{ .compatible = "qcom,dsi-phy-28nm-hpm-fam-b",
+	  .data = &dsi_phy_28nm_hpm_famb_cfgs },
+	{ .compatible = "qcom,dsi-phy-28nm-lp",
+	  .data = &dsi_phy_28nm_lp_cfgs },
+#endif
+#ifdef CONFIG_DRM_MSM_DSI_20NM_PHY
+	{ .compatible = "qcom,dsi-phy-20nm",
+	  .data = &dsi_phy_20nm_cfgs },
+#endif
+#ifdef CONFIG_DRM_MSM_DSI_28NM_8960_PHY
+	{ .compatible = "qcom,dsi-phy-28nm-8960",
+	  .data = &dsi_phy_28nm_8960_cfgs },
+#endif
+#ifdef CONFIG_DRM_MSM_DSI_14NM_PHY
+	{ .compatible = "qcom,dsi-phy-14nm",
+	  .data = &dsi_phy_14nm_cfgs },
+	{ .compatible = "qcom,dsi-phy-14nm-660",
+	  .data = &dsi_phy_14nm_660_cfgs },
+	{ .compatible = "qcom,dsi-phy-14nm-8953",
+	  .data = &dsi_phy_14nm_8953_cfgs },
+#endif
+#ifdef CONFIG_DRM_MSM_DSI_10NM_PHY
+	{ .compatible = "qcom,dsi-phy-10nm",
+	  .data = &dsi_phy_10nm_cfgs },
+	{ .compatible = "qcom,dsi-phy-10nm-8998",
+	  .data = &dsi_phy_10nm_8998_cfgs },
+#endif
+#ifdef CONFIG_DRM_MSM_DSI_7NM_PHY
+	{ .compatible = "qcom,dsi-phy-7nm",
+	  .data = &dsi_phy_7nm_cfgs },
+	{ .compatible = "qcom,dsi-phy-7nm-8150",
+	  .data = &dsi_phy_7nm_8150_cfgs },
+	{ .compatible = "qcom,sc7280-dsi-phy-7nm",
+	  .data = &dsi_phy_7nm_7280_cfgs },
+#endif
+	{}
+};
+
+/*
+ * Currently, we only support one SoC for each PHY type. When we have multiple
+ * SoCs for the same PHY, we can try to make the index searching a bit more
+ * clever.
+ */
+static int dsi_phy_get_id(struct msm_dsi_phy *phy)
+{
+	struct platform_device *pdev = phy->pdev;
+	const struct msm_dsi_phy_cfg *cfg = phy->cfg;
+	struct resource *res;
+	int i;
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dsi_phy");
+	if (!res)
+		return -EINVAL;
+
+	for (i = 0; i < cfg->num_dsi_phy; i++) {
+		if (cfg->io_start[i] == res->start)
+			return i;
+	}
+
+	return -EINVAL;
+}
+
+static int dsi_phy_driver_probe(struct platform_device *pdev)
+{
+	struct msm_dsi_phy *phy;
+	struct device *dev = &pdev->dev;
+	u32 phy_type;
+	int ret;
+
+	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
+	if (!phy)
+		return -ENOMEM;
+
+	phy->provided_clocks = devm_kzalloc(dev,
+			struct_size(phy->provided_clocks, hws, NUM_PROVIDED_CLKS),
+			GFP_KERNEL);
+	if (!phy->provided_clocks)
+		return -ENOMEM;
+
+	phy->provided_clocks->num = NUM_PROVIDED_CLKS;
+
+	phy->cfg = of_device_get_match_data(&pdev->dev);
+	if (!phy->cfg)
+		return -ENODEV;
+
+	phy->pdev = pdev;
+
+	phy->id = dsi_phy_get_id(phy);
+	if (phy->id < 0)
+		return dev_err_probe(dev, phy->id,
+				     "Couldn't identify PHY index\n");
+
+	phy->regulator_ldo_mode = of_property_read_bool(dev->of_node,
+				"qcom,dsi-phy-regulator-ldo-mode");
+	if (!of_property_read_u32(dev->of_node, "phy-type", &phy_type))
+		phy->cphy_mode = (phy_type == PHY_TYPE_CPHY);
+
+	phy->base = msm_ioremap_size(pdev, "dsi_phy", &phy->base_size);
+	if (IS_ERR(phy->base))
+		return dev_err_probe(dev, PTR_ERR(phy->base),
+				     "Failed to map phy base\n");
+
+	phy->pll_base = msm_ioremap_size(pdev, "dsi_pll", &phy->pll_size);
+	if (IS_ERR(phy->pll_base))
+		return dev_err_probe(dev, PTR_ERR(phy->pll_base),
+				     "Failed to map pll base\n");
+
+	if (phy->cfg->has_phy_lane) {
+		phy->lane_base = msm_ioremap_size(pdev, "dsi_phy_lane", &phy->lane_size);
+		if (IS_ERR(phy->lane_base))
+			return dev_err_probe(dev, PTR_ERR(phy->lane_base),
+					     "Failed to map phy lane base\n");
+	}
+
+	if (phy->cfg->has_phy_regulator) {
+		phy->reg_base = msm_ioremap_size(pdev, "dsi_phy_regulator", &phy->reg_size);
+		if (IS_ERR(phy->reg_base))
+			return dev_err_probe(dev, PTR_ERR(phy->reg_base),
+					     "Failed to map phy regulator base\n");
+	}
+
+	if (phy->cfg->ops.parse_dt_properties) {
+		ret = phy->cfg->ops.parse_dt_properties(phy);
+		if (ret)
+			return ret;
+	}
+
+	ret = devm_regulator_bulk_get_const(dev, phy->cfg->num_regulators,
+					    phy->cfg->regulator_data,
+					    &phy->supplies);
+	if (ret)
+		return ret;
+
+	phy->ahb_clk = msm_clk_get(pdev, "iface");
+	if (IS_ERR(phy->ahb_clk))
+		return dev_err_probe(dev, PTR_ERR(phy->ahb_clk),
+				     "Unable to get ahb clk\n");
+
+	/* PLL init will call into clk_register which requires
+	 * register access, so we need to enable power and ahb clock.
+	 */
+	ret = dsi_phy_enable_resource(phy);
+	if (ret)
+		return ret;
+
+	if (phy->cfg->ops.pll_init) {
+		ret = phy->cfg->ops.pll_init(phy);
+		if (ret)
+			return dev_err_probe(dev, ret,
+					     "PLL init failed; need separate clk driver\n");
+	}
+
+	ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
+				     phy->provided_clocks);
+	if (ret)
+		return dev_err_probe(dev, ret,
+				     "Failed to register clk provider\n");
+
+	dsi_phy_disable_resource(phy);
+
+	platform_set_drvdata(pdev, phy);
+
+	return 0;
+}
+
+static struct platform_driver dsi_phy_platform_driver = {
+	.probe      = dsi_phy_driver_probe,
+	.driver     = {
+		.name   = "msm_dsi_phy",
+		.of_match_table = dsi_phy_dt_match,
+	},
+};
+
+void __init msm_dsi_phy_driver_register(void)
+{
+	platform_driver_register(&dsi_phy_platform_driver);
+}
+
+void __exit msm_dsi_phy_driver_unregister(void)
+{
+	platform_driver_unregister(&dsi_phy_platform_driver);
+}
+
+int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
+			struct msm_dsi_phy_clk_request *clk_req,
+			struct msm_dsi_phy_shared_timings *shared_timings)
+{
+	struct device *dev;
+	int ret;
+
+	if (!phy || !phy->cfg->ops.enable)
+		return -EINVAL;
+
+	dev = &phy->pdev->dev;
+
+	ret = dsi_phy_enable_resource(phy);
+	if (ret) {
+		DRM_DEV_ERROR(dev, "%s: resource enable failed, %d\n",
+			__func__, ret);
+		goto res_en_fail;
+	}
+
+	ret = regulator_bulk_enable(phy->cfg->num_regulators, phy->supplies);
+	if (ret) {
+		DRM_DEV_ERROR(dev, "%s: regulator enable failed, %d\n",
+			__func__, ret);
+		goto reg_en_fail;
+	}
+
+	ret = phy->cfg->ops.enable(phy, clk_req);
+	if (ret) {
+		DRM_DEV_ERROR(dev, "%s: phy enable failed, %d\n", __func__, ret);
+		goto phy_en_fail;
+	}
+
+	memcpy(shared_timings, &phy->timing.shared_timings,
+	       sizeof(*shared_timings));
+
+	/*
+	 * Resetting DSI PHY silently changes its PLL registers to reset status,
+	 * which will confuse clock driver and result in wrong output rate of
+	 * link clocks. Restore PLL status if its PLL is being used as clock
+	 * source.
+	 */
+	if (phy->usecase != MSM_DSI_PHY_SLAVE) {
+		ret = msm_dsi_phy_pll_restore_state(phy);
+		if (ret) {
+			DRM_DEV_ERROR(dev, "%s: failed to restore phy state, %d\n",
+				__func__, ret);
+			goto pll_restor_fail;
+		}
+	}
+
+	return 0;
+
+pll_restor_fail:
+	if (phy->cfg->ops.disable)
+		phy->cfg->ops.disable(phy);
+phy_en_fail:
+	regulator_bulk_disable(phy->cfg->num_regulators, phy->supplies);
+reg_en_fail:
+	dsi_phy_disable_resource(phy);
+res_en_fail:
+	return ret;
+}
+
+void msm_dsi_phy_disable(struct msm_dsi_phy *phy)
+{
+	if (!phy || !phy->cfg->ops.disable)
+		return;
+
+	phy->cfg->ops.disable(phy);
+
+	regulator_bulk_disable(phy->cfg->num_regulators, phy->supplies);
+	dsi_phy_disable_resource(phy);
+}
+
+void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,
+			     enum msm_dsi_phy_usecase uc)
+{
+	if (phy)
+		phy->usecase = uc;
+}
+
+/* Returns true if we have to clear DSI_LANE_CTRL.HS_REQ_SEL_PHY */
+bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable)
+{
+	if (!phy || !phy->cfg->ops.set_continuous_clock)
+		return false;
+
+	return phy->cfg->ops.set_continuous_clock(phy, enable);
+}
+
+void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy)
+{
+	if (phy->cfg->ops.save_pll_state) {
+		phy->cfg->ops.save_pll_state(phy);
+		phy->state_saved = true;
+	}
+}
+
+int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy)
+{
+	int ret;
+
+	if (phy->cfg->ops.restore_pll_state && phy->state_saved) {
+		ret = phy->cfg->ops.restore_pll_state(phy);
+		if (ret)
+			return ret;
+
+		phy->state_saved = false;
+	}
+
+	return 0;
+}
+
+void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy)
+{
+	msm_disp_snapshot_add_block(disp_state,
+			phy->base_size, phy->base,
+			"dsi%d_phy", phy->id);
+
+	/* Do not try accessing PLL registers if it is switched off */
+	if (phy->pll_on)
+		msm_disp_snapshot_add_block(disp_state,
+			phy->pll_size, phy->pll_base,
+			"dsi%d_pll", phy->id);
+
+	if (phy->lane_base)
+		msm_disp_snapshot_add_block(disp_state,
+			phy->lane_size, phy->lane_base,
+			"dsi%d_lane", phy->id);
+
+	if (phy->reg_base)
+		msm_disp_snapshot_add_block(disp_state,
+			phy->reg_size, phy->reg_base,
+			"dsi%d_reg", phy->id);
+}
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
new file mode 100644
index 000000000..60a99c652
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -0,0 +1,134 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef __DSI_PHY_H__
+#define __DSI_PHY_H__
+
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/regulator/consumer.h>
+
+#include "dsi.h"
+
+#define dsi_phy_read(offset) msm_readl((offset))
+#define dsi_phy_write(offset, data) msm_writel((data), (offset))
+#define dsi_phy_write_udelay(offset, data, delay_us) { msm_writel((data), (offset)); udelay(delay_us); }
+#define dsi_phy_write_ndelay(offset, data, delay_ns) { msm_writel((data), (offset)); ndelay(delay_ns); }
+
+struct msm_dsi_phy_ops {
+	int (*pll_init)(struct msm_dsi_phy *phy);
+	int (*enable)(struct msm_dsi_phy *phy,
+			struct msm_dsi_phy_clk_request *clk_req);
+	void (*disable)(struct msm_dsi_phy *phy);
+	void (*save_pll_state)(struct msm_dsi_phy *phy);
+	int (*restore_pll_state)(struct msm_dsi_phy *phy);
+	bool (*set_continuous_clock)(struct msm_dsi_phy *phy, bool enable);
+	int (*parse_dt_properties)(struct msm_dsi_phy *phy);
+};
+
+struct msm_dsi_phy_cfg {
+	const struct regulator_bulk_data *regulator_data;
+	int num_regulators;
+	struct msm_dsi_phy_ops ops;
+
+	unsigned long	min_pll_rate;
+	unsigned long	max_pll_rate;
+
+	const resource_size_t io_start[DSI_MAX];
+	const int num_dsi_phy;
+	const int quirks;
+	bool has_phy_regulator;
+	bool has_phy_lane;
+};
+
+extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_14nm_8953_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs;
+extern const struct msm_dsi_phy_cfg dsi_phy_7nm_7280_cfgs;
+
+struct msm_dsi_dphy_timing {
+	u32 clk_zero;
+	u32 clk_trail;
+	u32 clk_prepare;
+	u32 hs_exit;
+	u32 hs_zero;
+	u32 hs_prepare;
+	u32 hs_trail;
+	u32 hs_rqst;
+	u32 ta_go;
+	u32 ta_sure;
+	u32 ta_get;
+
+	struct msm_dsi_phy_shared_timings shared_timings;
+
+	/* For PHY v2 only */
+	u32 hs_rqst_ckln;
+	u32 hs_prep_dly;
+	u32 hs_prep_dly_ckln;
+	u8 hs_halfbyte_en;
+	u8 hs_halfbyte_en_ckln;
+};
+
+#define DSI_BYTE_PLL_CLK		0
+#define DSI_PIXEL_PLL_CLK		1
+#define NUM_PROVIDED_CLKS		2
+
+#define DSI_LANE_MAX			5
+
+struct msm_dsi_phy {
+	struct platform_device *pdev;
+	void __iomem *base;
+	void __iomem *pll_base;
+	void __iomem *reg_base;
+	void __iomem *lane_base;
+	phys_addr_t base_size;
+	phys_addr_t pll_size;
+	phys_addr_t reg_size;
+	phys_addr_t lane_size;
+	int id;
+
+	struct clk *ahb_clk;
+	struct regulator_bulk_data *supplies;
+
+	struct msm_dsi_dphy_timing timing;
+	const struct msm_dsi_phy_cfg *cfg;
+	void *tuning_cfg;
+
+	enum msm_dsi_phy_usecase usecase;
+	bool regulator_ldo_mode;
+	bool cphy_mode;
+
+	struct clk_hw *vco_hw;
+	bool pll_on;
+
+	struct clk_hw_onecell_data *provided_clocks;
+
+	bool state_saved;
+};
+
+/*
+ * PHY internal functions
+ */
+int msm_dsi_dphy_timing_calc(struct msm_dsi_dphy_timing *timing,
+			     struct msm_dsi_phy_clk_request *clk_req);
+int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing,
+				struct msm_dsi_phy_clk_request *clk_req);
+int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing,
+				struct msm_dsi_phy_clk_request *clk_req);
+int msm_dsi_dphy_timing_calc_v4(struct msm_dsi_dphy_timing *timing,
+				struct msm_dsi_phy_clk_request *clk_req);
+int msm_dsi_cphy_timing_calc_v4(struct msm_dsi_dphy_timing *timing,
+				struct msm_dsi_phy_clk_request *clk_req);
+
+#endif /* __DSI_PHY_H__ */
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
new file mode 100644
index 000000000..27b592c77
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
@@ -0,0 +1,1061 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0
+ * Copyright (c) 2018, The Linux Foundation
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/iopoll.h>
+
+#include "dsi_phy.h"
+#include "dsi.xml.h"
+#include "dsi_phy_10nm.xml.h"
+
+/*
+ * DSI PLL 10nm - clock diagram (eg: DSI0):
+ *
+ *           dsi0_pll_out_div_clk  dsi0_pll_bit_clk
+ *                              |                |
+ *                              |                |
+ *                 +---------+  |  +----------+  |  +----+
+ *  dsi0vco_clk ---| out_div |--o--| divl_3_0 |--o--| /8 |-- dsi0_phy_pll_out_byteclk
+ *                 +---------+  |  +----------+  |  +----+
+ *                              |                |
+ *                              |                |         dsi0_pll_by_2_bit_clk
+ *                              |                |          |
+ *                              |                |  +----+  |  |\  dsi0_pclk_mux
+ *                              |                |--| /2 |--o--| \   |
+ *                              |                |  +----+     |  \  |  +---------+
+ *                              |                --------------|  |--o--| div_7_4 |-- dsi0_phy_pll_out_dsiclk
+ *                              |------------------------------|  /     +---------+
+ *                              |          +-----+             | /
+ *                              -----------| /4? |--o----------|/
+ *                                         +-----+  |           |
+ *                                                  |           |dsiclk_sel
+ *                                                  |
+ *                                                  dsi0_pll_post_out_div_clk
+ */
+
+#define VCO_REF_CLK_RATE		19200000
+#define FRAC_BITS 18
+
+/* v3.0.0 10nm implementation that requires the old timings settings */
+#define DSI_PHY_10NM_QUIRK_OLD_TIMINGS	BIT(0)
+
+struct dsi_pll_config {
+	bool enable_ssc;
+	bool ssc_center;
+	u32 ssc_freq;
+	u32 ssc_offset;
+	u32 ssc_adj_per;
+
+	/* out */
+	u32 pll_prop_gain_rate;
+	u32 decimal_div_start;
+	u32 frac_div_start;
+	u32 pll_clock_inverters;
+	u32 ssc_stepsize;
+	u32 ssc_div_per;
+};
+
+struct pll_10nm_cached_state {
+	unsigned long vco_rate;
+	u8 bit_clk_div;
+	u8 pix_clk_div;
+	u8 pll_out_div;
+	u8 pll_mux;
+};
+
+struct dsi_pll_10nm {
+	struct clk_hw clk_hw;
+
+	struct msm_dsi_phy *phy;
+
+	u64 vco_current_rate;
+
+	/* protects REG_DSI_10nm_PHY_CMN_CLK_CFG0 register */
+	spinlock_t postdiv_lock;
+
+	struct pll_10nm_cached_state cached_state;
+
+	struct dsi_pll_10nm *slave;
+};
+
+#define to_pll_10nm(x)	container_of(x, struct dsi_pll_10nm, clk_hw)
+
+/**
+ * struct dsi_phy_10nm_tuning_cfg - Holds 10nm PHY tuning config parameters.
+ * @rescode_offset_top: Offset for pull-up legs rescode.
+ * @rescode_offset_bot: Offset for pull-down legs rescode.
+ * @vreg_ctrl: vreg ctrl to drive LDO level
+ */
+struct dsi_phy_10nm_tuning_cfg {
+	u8 rescode_offset_top[DSI_LANE_MAX];
+	u8 rescode_offset_bot[DSI_LANE_MAX];
+	u8 vreg_ctrl;
+};
+
+/*
+ * Global list of private DSI PLL struct pointers. We need this for bonded DSI
+ * mode, where the master PLL's clk_ops needs access the slave's private data
+ */
+static struct dsi_pll_10nm *pll_10nm_list[DSI_MAX];
+
+static void dsi_pll_setup_config(struct dsi_pll_config *config)
+{
+	config->ssc_freq = 31500;
+	config->ssc_offset = 5000;
+	config->ssc_adj_per = 2;
+
+	config->enable_ssc = false;
+	config->ssc_center = false;
+}
+
+static void dsi_pll_calc_dec_frac(struct dsi_pll_10nm *pll, struct dsi_pll_config *config)
+{
+	u64 fref = VCO_REF_CLK_RATE;
+	u64 pll_freq;
+	u64 divider;
+	u64 dec, dec_multiple;
+	u32 frac;
+	u64 multiplier;
+
+	pll_freq = pll->vco_current_rate;
+
+	divider = fref * 2;
+
+	multiplier = 1 << FRAC_BITS;
+	dec_multiple = div_u64(pll_freq * multiplier, divider);
+	dec = div_u64_rem(dec_multiple, multiplier, &frac);
+
+	if (pll_freq <= 1900000000UL)
+		config->pll_prop_gain_rate = 8;
+	else if (pll_freq <= 3000000000UL)
+		config->pll_prop_gain_rate = 10;
+	else
+		config->pll_prop_gain_rate = 12;
+	if (pll_freq < 1100000000UL)
+		config->pll_clock_inverters = 8;
+	else
+		config->pll_clock_inverters = 0;
+
+	config->decimal_div_start = dec;
+	config->frac_div_start = frac;
+}
+
+#define SSC_CENTER		BIT(0)
+#define SSC_EN			BIT(1)
+
+static void dsi_pll_calc_ssc(struct dsi_pll_10nm *pll, struct dsi_pll_config *config)
+{
+	u32 ssc_per;
+	u32 ssc_mod;
+	u64 ssc_step_size;
+	u64 frac;
+
+	if (!config->enable_ssc) {
+		DBG("SSC not enabled\n");
+		return;
+	}
+
+	ssc_per = DIV_ROUND_CLOSEST(VCO_REF_CLK_RATE, config->ssc_freq) / 2 - 1;
+	ssc_mod = (ssc_per + 1) % (config->ssc_adj_per + 1);
+	ssc_per -= ssc_mod;
+
+	frac = config->frac_div_start;
+	ssc_step_size = config->decimal_div_start;
+	ssc_step_size *= (1 << FRAC_BITS);
+	ssc_step_size += frac;
+	ssc_step_size *= config->ssc_offset;
+	ssc_step_size *= (config->ssc_adj_per + 1);
+	ssc_step_size = div_u64(ssc_step_size, (ssc_per + 1));
+	ssc_step_size = DIV_ROUND_CLOSEST_ULL(ssc_step_size, 1000000);
+
+	config->ssc_div_per = ssc_per;
+	config->ssc_stepsize = ssc_step_size;
+
+	pr_debug("SCC: Dec:%d, frac:%llu, frac_bits:%d\n",
+		 config->decimal_div_start, frac, FRAC_BITS);
+	pr_debug("SSC: div_per:0x%X, stepsize:0x%X, adjper:0x%X\n",
+		 ssc_per, (u32)ssc_step_size, config->ssc_adj_per);
+}
+
+static void dsi_pll_ssc_commit(struct dsi_pll_10nm *pll, struct dsi_pll_config *config)
+{
+	void __iomem *base = pll->phy->pll_base;
+
+	if (config->enable_ssc) {
+		pr_debug("SSC is enabled\n");
+
+		dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_STEPSIZE_LOW_1,
+			      config->ssc_stepsize & 0xff);
+		dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_STEPSIZE_HIGH_1,
+			      config->ssc_stepsize >> 8);
+		dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_PER_LOW_1,
+			      config->ssc_div_per & 0xff);
+		dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_PER_HIGH_1,
+			      config->ssc_div_per >> 8);
+		dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_ADJPER_LOW_1,
+			      config->ssc_adj_per & 0xff);
+		dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_DIV_ADJPER_HIGH_1,
+			      config->ssc_adj_per >> 8);
+		dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_SSC_CONTROL,
+			      SSC_EN | (config->ssc_center ? SSC_CENTER : 0));
+	}
+}
+
+static void dsi_pll_config_hzindep_reg(struct dsi_pll_10nm *pll)
+{
+	void __iomem *base = pll->phy->pll_base;
+
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_ONE, 0x80);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_TWO, 0x03);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_ANALOG_CONTROLS_THREE, 0x00);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_DSM_DIVIDER, 0x00);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FEEDBACK_DIVIDER, 0x4e);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CALIBRATION_SETTINGS, 0x40);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_THREE,
+		      0xba);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FREQ_DETECT_SETTINGS_ONE,
+		      0x0c);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_OUTDIV, 0x00);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CORE_OVERRIDE, 0x00);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_DIGITAL_TIMERS_TWO,
+		      0x08);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_PROP_GAIN_RATE_1, 0x08);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_BAND_SET_RATE_1, 0xc0);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1,
+		      0xfa);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_FL_INT_GAIN_PFILT_BAND_1,
+		      0x4c);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCK_OVERRIDE, 0x80);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PFILT, 0x29);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_IFILT, 0x3f);
+}
+
+static void dsi_pll_commit(struct dsi_pll_10nm *pll, struct dsi_pll_config *config)
+{
+	void __iomem *base = pll->phy->pll_base;
+
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CORE_INPUT_OVERRIDE, 0x12);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_DECIMAL_DIV_START_1,
+		      config->decimal_div_start);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_LOW_1,
+		      config->frac_div_start & 0xff);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_MID_1,
+		      (config->frac_div_start & 0xff00) >> 8);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_HIGH_1,
+		      (config->frac_div_start & 0x30000) >> 16);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCKDET_RATE_1, 64);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_PLL_LOCK_DELAY, 0x06);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CMODE, 0x10);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_PLL_CLOCK_INVERTERS,
+		      config->pll_clock_inverters);
+}
+
+static int dsi_pll_10nm_vco_set_rate(struct clk_hw *hw, unsigned long rate,
+				     unsigned long parent_rate)
+{
+	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(hw);
+	struct dsi_pll_config config;
+
+	DBG("DSI PLL%d rate=%lu, parent's=%lu", pll_10nm->phy->id, rate,
+	    parent_rate);
+
+	pll_10nm->vco_current_rate = rate;
+
+	dsi_pll_setup_config(&config);
+
+	dsi_pll_calc_dec_frac(pll_10nm, &config);
+
+	dsi_pll_calc_ssc(pll_10nm, &config);
+
+	dsi_pll_commit(pll_10nm, &config);
+
+	dsi_pll_config_hzindep_reg(pll_10nm);
+
+	dsi_pll_ssc_commit(pll_10nm, &config);
+
+	/* flush, ensure all register writes are done*/
+	wmb();
+
+	return 0;
+}
+
+static int dsi_pll_10nm_lock_status(struct dsi_pll_10nm *pll)
+{
+	struct device *dev = &pll->phy->pdev->dev;
+	int rc;
+	u32 status = 0;
+	u32 const delay_us = 100;
+	u32 const timeout_us = 5000;
+
+	rc = readl_poll_timeout_atomic(pll->phy->pll_base +
+				       REG_DSI_10nm_PHY_PLL_COMMON_STATUS_ONE,
+				       status,
+				       ((status & BIT(0)) > 0),
+				       delay_us,
+				       timeout_us);
+	if (rc)
+		DRM_DEV_ERROR(dev, "DSI PLL(%d) lock failed, status=0x%08x\n",
+			      pll->phy->id, status);
+
+	return rc;
+}
+
+static void dsi_pll_disable_pll_bias(struct dsi_pll_10nm *pll)
+{
+	u32 data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0);
+
+	dsi_phy_write(pll->phy->pll_base + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0);
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0,
+		      data & ~BIT(5));
+	ndelay(250);
+}
+
+static void dsi_pll_enable_pll_bias(struct dsi_pll_10nm *pll)
+{
+	u32 data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0);
+
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CTRL_0,
+		      data | BIT(5));
+	dsi_phy_write(pll->phy->pll_base + REG_DSI_10nm_PHY_PLL_SYSTEM_MUXES, 0xc0);
+	ndelay(250);
+}
+
+static void dsi_pll_disable_global_clk(struct dsi_pll_10nm *pll)
+{
+	u32 data;
+
+	data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1);
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1,
+		      data & ~BIT(5));
+}
+
+static void dsi_pll_enable_global_clk(struct dsi_pll_10nm *pll)
+{
+	u32 data;
+
+	data = dsi_phy_read(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1);
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG1,
+		      data | BIT(5));
+}
+
+static int dsi_pll_10nm_vco_prepare(struct clk_hw *hw)
+{
+	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(hw);
+	struct device *dev = &pll_10nm->phy->pdev->dev;
+	int rc;
+
+	dsi_pll_enable_pll_bias(pll_10nm);
+	if (pll_10nm->slave)
+		dsi_pll_enable_pll_bias(pll_10nm->slave);
+
+	rc = dsi_pll_10nm_vco_set_rate(hw,pll_10nm->vco_current_rate, 0);
+	if (rc) {
+		DRM_DEV_ERROR(dev, "vco_set_rate failed, rc=%d\n", rc);
+		return rc;
+	}
+
+	/* Start PLL */
+	dsi_phy_write(pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL,
+		      0x01);
+
+	/*
+	 * ensure all PLL configurations are written prior to checking
+	 * for PLL lock.
+	 */
+	wmb();
+
+	/* Check for PLL lock */
+	rc = dsi_pll_10nm_lock_status(pll_10nm);
+	if (rc) {
+		DRM_DEV_ERROR(dev, "PLL(%d) lock failed\n", pll_10nm->phy->id);
+		goto error;
+	}
+
+	pll_10nm->phy->pll_on = true;
+
+	dsi_pll_enable_global_clk(pll_10nm);
+	if (pll_10nm->slave)
+		dsi_pll_enable_global_clk(pll_10nm->slave);
+
+	dsi_phy_write(pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_RBUF_CTRL,
+		      0x01);
+	if (pll_10nm->slave)
+		dsi_phy_write(pll_10nm->slave->phy->base +
+			      REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0x01);
+
+error:
+	return rc;
+}
+
+static void dsi_pll_disable_sub(struct dsi_pll_10nm *pll)
+{
+	dsi_phy_write(pll->phy->base + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0);
+	dsi_pll_disable_pll_bias(pll);
+}
+
+static void dsi_pll_10nm_vco_unprepare(struct clk_hw *hw)
+{
+	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(hw);
+
+	/*
+	 * To avoid any stray glitches while abruptly powering down the PLL
+	 * make sure to gate the clock using the clock enable bit before
+	 * powering down the PLL
+	 */
+	dsi_pll_disable_global_clk(pll_10nm);
+	dsi_phy_write(pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL, 0);
+	dsi_pll_disable_sub(pll_10nm);
+	if (pll_10nm->slave) {
+		dsi_pll_disable_global_clk(pll_10nm->slave);
+		dsi_pll_disable_sub(pll_10nm->slave);
+	}
+	/* flush, ensure all register writes are done */
+	wmb();
+	pll_10nm->phy->pll_on = false;
+}
+
+static unsigned long dsi_pll_10nm_vco_recalc_rate(struct clk_hw *hw,
+						  unsigned long parent_rate)
+{
+	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(hw);
+	void __iomem *base = pll_10nm->phy->pll_base;
+	u64 ref_clk = VCO_REF_CLK_RATE;
+	u64 vco_rate = 0x0;
+	u64 multiplier;
+	u32 frac;
+	u32 dec;
+	u64 pll_freq, tmp64;
+
+	dec = dsi_phy_read(base + REG_DSI_10nm_PHY_PLL_DECIMAL_DIV_START_1);
+	dec &= 0xff;
+
+	frac = dsi_phy_read(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_LOW_1);
+	frac |= ((dsi_phy_read(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_MID_1) &
+		  0xff) << 8);
+	frac |= ((dsi_phy_read(base + REG_DSI_10nm_PHY_PLL_FRAC_DIV_START_HIGH_1) &
+		  0x3) << 16);
+
+	/*
+	 * TODO:
+	 *	1. Assumes prescaler is disabled
+	 */
+	multiplier = 1 << FRAC_BITS;
+	pll_freq = dec * (ref_clk * 2);
+	tmp64 = (ref_clk * 2 * frac);
+	pll_freq += div_u64(tmp64, multiplier);
+
+	vco_rate = pll_freq;
+	pll_10nm->vco_current_rate = vco_rate;
+
+	DBG("DSI PLL%d returning vco rate = %lu, dec = %x, frac = %x",
+	    pll_10nm->phy->id, (unsigned long)vco_rate, dec, frac);
+
+	return (unsigned long)vco_rate;
+}
+
+static long dsi_pll_10nm_clk_round_rate(struct clk_hw *hw,
+		unsigned long rate, unsigned long *parent_rate)
+{
+	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(hw);
+
+	if      (rate < pll_10nm->phy->cfg->min_pll_rate)
+		return  pll_10nm->phy->cfg->min_pll_rate;
+	else if (rate > pll_10nm->phy->cfg->max_pll_rate)
+		return  pll_10nm->phy->cfg->max_pll_rate;
+	else
+		return rate;
+}
+
+static const struct clk_ops clk_ops_dsi_pll_10nm_vco = {
+	.round_rate = dsi_pll_10nm_clk_round_rate,
+	.set_rate = dsi_pll_10nm_vco_set_rate,
+	.recalc_rate = dsi_pll_10nm_vco_recalc_rate,
+	.prepare = dsi_pll_10nm_vco_prepare,
+	.unprepare = dsi_pll_10nm_vco_unprepare,
+};
+
+/*
+ * PLL Callbacks
+ */
+
+static void dsi_10nm_pll_save_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(phy->vco_hw);
+	struct pll_10nm_cached_state *cached = &pll_10nm->cached_state;
+	void __iomem *phy_base = pll_10nm->phy->base;
+	u32 cmn_clk_cfg0, cmn_clk_cfg1;
+
+	cached->pll_out_div = dsi_phy_read(pll_10nm->phy->pll_base +
+			REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE);
+	cached->pll_out_div &= 0x3;
+
+	cmn_clk_cfg0 = dsi_phy_read(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG0);
+	cached->bit_clk_div = cmn_clk_cfg0 & 0xf;
+	cached->pix_clk_div = (cmn_clk_cfg0 & 0xf0) >> 4;
+
+	cmn_clk_cfg1 = dsi_phy_read(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG1);
+	cached->pll_mux = cmn_clk_cfg1 & 0x3;
+
+	DBG("DSI PLL%d outdiv %x bit_clk_div %x pix_clk_div %x pll_mux %x",
+	    pll_10nm->phy->id, cached->pll_out_div, cached->bit_clk_div,
+	    cached->pix_clk_div, cached->pll_mux);
+}
+
+static int dsi_10nm_pll_restore_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(phy->vco_hw);
+	struct pll_10nm_cached_state *cached = &pll_10nm->cached_state;
+	void __iomem *phy_base = pll_10nm->phy->base;
+	u32 val;
+	int ret;
+
+	val = dsi_phy_read(pll_10nm->phy->pll_base + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE);
+	val &= ~0x3;
+	val |= cached->pll_out_div;
+	dsi_phy_write(pll_10nm->phy->pll_base + REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE, val);
+
+	dsi_phy_write(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG0,
+		      cached->bit_clk_div | (cached->pix_clk_div << 4));
+
+	val = dsi_phy_read(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG1);
+	val &= ~0x3;
+	val |= cached->pll_mux;
+	dsi_phy_write(phy_base + REG_DSI_10nm_PHY_CMN_CLK_CFG1, val);
+
+	ret = dsi_pll_10nm_vco_set_rate(phy->vco_hw,
+			pll_10nm->vco_current_rate,
+			VCO_REF_CLK_RATE);
+	if (ret) {
+		DRM_DEV_ERROR(&pll_10nm->phy->pdev->dev,
+			"restore vco rate failed. ret=%d\n", ret);
+		return ret;
+	}
+
+	DBG("DSI PLL%d", pll_10nm->phy->id);
+
+	return 0;
+}
+
+static int dsi_10nm_set_usecase(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_10nm *pll_10nm = to_pll_10nm(phy->vco_hw);
+	void __iomem *base = phy->base;
+	u32 data = 0x0;	/* internal PLL */
+
+	DBG("DSI PLL%d", pll_10nm->phy->id);
+
+	switch (phy->usecase) {
+	case MSM_DSI_PHY_STANDALONE:
+		break;
+	case MSM_DSI_PHY_MASTER:
+		pll_10nm->slave = pll_10nm_list[(pll_10nm->phy->id + 1) % DSI_MAX];
+		break;
+	case MSM_DSI_PHY_SLAVE:
+		data = 0x1; /* external PLL */
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* set PLL src */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CLK_CFG1, (data << 2));
+
+	return 0;
+}
+
+/*
+ * The post dividers and mux clocks are created using the standard divider and
+ * mux API. Unlike the 14nm PHY, the slave PLL doesn't need its dividers/mux
+ * state to follow the master PLL's divider/mux state. Therefore, we don't
+ * require special clock ops that also configure the slave PLL registers
+ */
+static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **provided_clocks)
+{
+	char clk_name[32];
+	struct clk_init_data vco_init = {
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "ref",
+		},
+		.num_parents = 1,
+		.name = clk_name,
+		.flags = CLK_IGNORE_UNUSED,
+		.ops = &clk_ops_dsi_pll_10nm_vco,
+	};
+	struct device *dev = &pll_10nm->phy->pdev->dev;
+	struct clk_hw *hw, *pll_out_div, *pll_bit, *pll_by_2_bit;
+	struct clk_hw *pll_post_out_div, *pclk_mux;
+	int ret;
+
+	DBG("DSI%d", pll_10nm->phy->id);
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dvco_clk", pll_10nm->phy->id);
+	pll_10nm->clk_hw.init = &vco_init;
+
+	ret = devm_clk_hw_register(dev, &pll_10nm->clk_hw);
+	if (ret)
+		return ret;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_out_div_clk", pll_10nm->phy->id);
+
+	pll_out_div = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
+			&pll_10nm->clk_hw, CLK_SET_RATE_PARENT,
+			pll_10nm->phy->pll_base +
+				REG_DSI_10nm_PHY_PLL_PLL_OUTDIV_RATE,
+			0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL);
+	if (IS_ERR(pll_out_div)) {
+		ret = PTR_ERR(pll_out_div);
+		goto fail;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_bit_clk", pll_10nm->phy->id);
+
+	/* BIT CLK: DIV_CTRL_3_0 */
+	pll_bit = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
+			pll_out_div, CLK_SET_RATE_PARENT,
+			pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG0,
+			0, 4, CLK_DIVIDER_ONE_BASED, &pll_10nm->postdiv_lock);
+	if (IS_ERR(pll_bit)) {
+		ret = PTR_ERR(pll_bit);
+		goto fail;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_phy_pll_out_byteclk", pll_10nm->phy->id);
+
+	/* DSI Byte clock = VCO_CLK / OUT_DIV / BIT_DIV / 8 */
+	hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, clk_name,
+			pll_bit, CLK_SET_RATE_PARENT, 1, 8);
+	if (IS_ERR(hw)) {
+		ret = PTR_ERR(hw);
+		goto fail;
+	}
+
+	provided_clocks[DSI_BYTE_PLL_CLK] = hw;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_by_2_bit_clk", pll_10nm->phy->id);
+
+	pll_by_2_bit = devm_clk_hw_register_fixed_factor_parent_hw(dev,
+			clk_name, pll_bit, 0, 1, 2);
+	if (IS_ERR(pll_by_2_bit)) {
+		ret = PTR_ERR(pll_by_2_bit);
+		goto fail;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_post_out_div_clk", pll_10nm->phy->id);
+
+	pll_post_out_div = devm_clk_hw_register_fixed_factor_parent_hw(dev,
+			clk_name, pll_out_div, 0, 1, 4);
+	if (IS_ERR(pll_post_out_div)) {
+		ret = PTR_ERR(pll_post_out_div);
+		goto fail;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pclk_mux", pll_10nm->phy->id);
+
+	pclk_mux = devm_clk_hw_register_mux_parent_hws(dev, clk_name,
+			((const struct clk_hw *[]){
+				pll_bit,
+				pll_by_2_bit,
+				pll_out_div,
+				pll_post_out_div,
+			}), 4, 0, pll_10nm->phy->base +
+				REG_DSI_10nm_PHY_CMN_CLK_CFG1, 0, 2, 0, NULL);
+	if (IS_ERR(pclk_mux)) {
+		ret = PTR_ERR(pclk_mux);
+		goto fail;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_phy_pll_out_dsiclk", pll_10nm->phy->id);
+
+	/* PIX CLK DIV : DIV_CTRL_7_4*/
+	hw = devm_clk_hw_register_divider_parent_hw(dev, clk_name, pclk_mux,
+			0, pll_10nm->phy->base + REG_DSI_10nm_PHY_CMN_CLK_CFG0,
+			4, 4, CLK_DIVIDER_ONE_BASED, &pll_10nm->postdiv_lock);
+	if (IS_ERR(hw)) {
+		ret = PTR_ERR(hw);
+		goto fail;
+	}
+
+	provided_clocks[DSI_PIXEL_PLL_CLK] = hw;
+
+	return 0;
+
+fail:
+
+	return ret;
+}
+
+static int dsi_pll_10nm_init(struct msm_dsi_phy *phy)
+{
+	struct platform_device *pdev = phy->pdev;
+	struct dsi_pll_10nm *pll_10nm;
+	int ret;
+
+	pll_10nm = devm_kzalloc(&pdev->dev, sizeof(*pll_10nm), GFP_KERNEL);
+	if (!pll_10nm)
+		return -ENOMEM;
+
+	DBG("DSI PLL%d", phy->id);
+
+	pll_10nm_list[phy->id] = pll_10nm;
+
+	spin_lock_init(&pll_10nm->postdiv_lock);
+
+	pll_10nm->phy = phy;
+
+	ret = pll_10nm_register(pll_10nm, phy->provided_clocks->hws);
+	if (ret) {
+		DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret);
+		return ret;
+	}
+
+	phy->vco_hw = &pll_10nm->clk_hw;
+
+	/* TODO: Remove this when we have proper display handover support */
+	msm_dsi_phy_pll_save_state(phy);
+
+	return 0;
+}
+
+static int dsi_phy_hw_v3_0_is_pll_on(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->base;
+	u32 data = 0;
+
+	data = dsi_phy_read(base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL);
+	mb(); /* make sure read happened */
+
+	return (data & BIT(0));
+}
+
+static void dsi_phy_hw_v3_0_config_lpcdrx(struct msm_dsi_phy *phy, bool enable)
+{
+	void __iomem *lane_base = phy->lane_base;
+	int phy_lane_0 = 0;	/* TODO: Support all lane swap configs */
+
+	/*
+	 * LPRX and CDRX need to enabled only for physical data lane
+	 * corresponding to the logical data lane 0
+	 */
+	if (enable)
+		dsi_phy_write(lane_base +
+			      REG_DSI_10nm_PHY_LN_LPRX_CTRL(phy_lane_0), 0x3);
+	else
+		dsi_phy_write(lane_base +
+			      REG_DSI_10nm_PHY_LN_LPRX_CTRL(phy_lane_0), 0);
+}
+
+static void dsi_phy_hw_v3_0_lane_settings(struct msm_dsi_phy *phy)
+{
+	int i;
+	u8 tx_dctrl[] = { 0x00, 0x00, 0x00, 0x04, 0x01 };
+	void __iomem *lane_base = phy->lane_base;
+	struct dsi_phy_10nm_tuning_cfg *tuning_cfg = phy->tuning_cfg;
+
+	if (phy->cfg->quirks & DSI_PHY_10NM_QUIRK_OLD_TIMINGS)
+		tx_dctrl[3] = 0x02;
+
+	/* Strength ctrl settings */
+	for (i = 0; i < 5; i++) {
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_LPTX_STR_CTRL(i),
+			      0x55);
+		/*
+		 * Disable LPRX and CDRX for all lanes. And later on, it will
+		 * be only enabled for the physical data lane corresponding
+		 * to the logical data lane 0
+		 */
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_LPRX_CTRL(i), 0);
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_PIN_SWAP(i), 0x0);
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_HSTX_STR_CTRL(i),
+			      0x88);
+	}
+
+	dsi_phy_hw_v3_0_config_lpcdrx(phy, true);
+
+	/* other settings */
+	for (i = 0; i < 5; i++) {
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_CFG0(i), 0x0);
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_CFG1(i), 0x0);
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_CFG2(i), 0x0);
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_CFG3(i),
+			      i == 4 ? 0x80 : 0x0);
+
+		/* platform specific dsi phy drive strength adjustment */
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_OFFSET_TOP_CTRL(i),
+				tuning_cfg->rescode_offset_top[i]);
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_OFFSET_BOT_CTRL(i),
+				tuning_cfg->rescode_offset_bot[i]);
+
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_TX_DCTRL(i),
+			      tx_dctrl[i]);
+	}
+
+	if (!(phy->cfg->quirks & DSI_PHY_10NM_QUIRK_OLD_TIMINGS)) {
+		/* Toggle BIT 0 to release freeze I/0 */
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_TX_DCTRL(3), 0x05);
+		dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_TX_DCTRL(3), 0x04);
+	}
+}
+
+static int dsi_10nm_phy_enable(struct msm_dsi_phy *phy,
+			       struct msm_dsi_phy_clk_request *clk_req)
+{
+	int ret;
+	u32 status;
+	u32 const delay_us = 5;
+	u32 const timeout_us = 1000;
+	struct msm_dsi_dphy_timing *timing = &phy->timing;
+	void __iomem *base = phy->base;
+	struct dsi_phy_10nm_tuning_cfg *tuning_cfg = phy->tuning_cfg;
+	u32 data;
+
+	DBG("");
+
+	if (msm_dsi_dphy_timing_calc_v3(timing, clk_req)) {
+		DRM_DEV_ERROR(&phy->pdev->dev,
+			"%s: D-PHY timing calculation failed\n", __func__);
+		return -EINVAL;
+	}
+
+	if (dsi_phy_hw_v3_0_is_pll_on(phy))
+		pr_warn("PLL turned on before configuring PHY\n");
+
+	/* wait for REFGEN READY */
+	ret = readl_poll_timeout_atomic(base + REG_DSI_10nm_PHY_CMN_PHY_STATUS,
+					status, (status & BIT(0)),
+					delay_us, timeout_us);
+	if (ret) {
+		pr_err("Ref gen not ready. Aborting\n");
+		return -EINVAL;
+	}
+
+	/* de-assert digital and pll power down */
+	data = BIT(6) | BIT(5);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_0, data);
+
+	/* Assert PLL core reset */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_PLL_CNTRL, 0x00);
+
+	/* turn off resync FIFO */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_RBUF_CTRL, 0x00);
+
+	/* Select MS1 byte-clk */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_GLBL_CTRL, 0x10);
+
+	/* Enable LDO with platform specific drive level/amplitude adjustment */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_VREG_CTRL,
+		      tuning_cfg->vreg_ctrl);
+
+	/* Configure PHY lane swap (TODO: we need to calculate this) */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_LANE_CFG0, 0x21);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_LANE_CFG1, 0x84);
+
+	/* DSI PHY timings */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_0,
+		      timing->hs_halfbyte_en);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_1,
+		      timing->clk_zero);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_2,
+		      timing->clk_prepare);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_3,
+		      timing->clk_trail);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_4,
+		      timing->hs_exit);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_5,
+		      timing->hs_zero);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_6,
+		      timing->hs_prepare);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_7,
+		      timing->hs_trail);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_8,
+		      timing->hs_rqst);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_9,
+		      timing->ta_go | (timing->ta_sure << 3));
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_10,
+		      timing->ta_get);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_TIMING_CTRL_11,
+		      0x00);
+
+	/* Remove power down from all blocks */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_0, 0x7f);
+
+	/* power up lanes */
+	data = dsi_phy_read(base + REG_DSI_10nm_PHY_CMN_CTRL_0);
+
+	/* TODO: only power up lanes that are used */
+	data |= 0x1F;
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_0, data);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_LANE_CTRL0, 0x1F);
+
+	/* Select full-rate mode */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_2, 0x40);
+
+	ret = dsi_10nm_set_usecase(phy);
+	if (ret) {
+		DRM_DEV_ERROR(&phy->pdev->dev, "%s: set pll usecase failed, %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	/* DSI lane settings */
+	dsi_phy_hw_v3_0_lane_settings(phy);
+
+	DBG("DSI%d PHY enabled", phy->id);
+
+	return 0;
+}
+
+static void dsi_10nm_phy_disable(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->base;
+	u32 data;
+
+	DBG("");
+
+	if (dsi_phy_hw_v3_0_is_pll_on(phy))
+		pr_warn("Turning OFF PHY while PLL is on\n");
+
+	dsi_phy_hw_v3_0_config_lpcdrx(phy, false);
+	data = dsi_phy_read(base + REG_DSI_10nm_PHY_CMN_CTRL_0);
+
+	/* disable all lanes */
+	data &= ~0x1F;
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_0, data);
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_LANE_CTRL0, 0);
+
+	/* Turn off all PHY blocks */
+	dsi_phy_write(base + REG_DSI_10nm_PHY_CMN_CTRL_0, 0x00);
+	/* make sure phy is turned off */
+	wmb();
+
+	DBG("DSI%d PHY disabled", phy->id);
+}
+
+static int dsi_10nm_phy_parse_dt(struct msm_dsi_phy *phy)
+{
+	struct device *dev = &phy->pdev->dev;
+	struct dsi_phy_10nm_tuning_cfg *tuning_cfg;
+	s8 offset_top[DSI_LANE_MAX] = { 0 }; /* No offset */
+	s8 offset_bot[DSI_LANE_MAX] = { 0 }; /* No offset */
+	u32 ldo_level = 400; /* 400mV */
+	u8 level;
+	int ret, i;
+
+	tuning_cfg = devm_kzalloc(dev, sizeof(*tuning_cfg), GFP_KERNEL);
+	if (!tuning_cfg)
+		return -ENOMEM;
+
+	/* Drive strength adjustment parameters */
+	ret = of_property_read_u8_array(dev->of_node, "qcom,phy-rescode-offset-top",
+					offset_top, DSI_LANE_MAX);
+	if (ret && ret != -EINVAL) {
+		DRM_DEV_ERROR(dev, "failed to parse qcom,phy-rescode-offset-top, %d\n", ret);
+		return ret;
+	}
+
+	for (i = 0; i < DSI_LANE_MAX; i++) {
+		if (offset_top[i] < -32 || offset_top[i] > 31) {
+			DRM_DEV_ERROR(dev,
+				"qcom,phy-rescode-offset-top value %d is not in range [-32..31]\n",
+				offset_top[i]);
+			return -EINVAL;
+		}
+		tuning_cfg->rescode_offset_top[i] = 0x3f & offset_top[i];
+	}
+
+	ret = of_property_read_u8_array(dev->of_node, "qcom,phy-rescode-offset-bot",
+					offset_bot, DSI_LANE_MAX);
+	if (ret && ret != -EINVAL) {
+		DRM_DEV_ERROR(dev, "failed to parse qcom,phy-rescode-offset-bot, %d\n", ret);
+		return ret;
+	}
+
+	for (i = 0; i < DSI_LANE_MAX; i++) {
+		if (offset_bot[i] < -32 || offset_bot[i] > 31) {
+			DRM_DEV_ERROR(dev,
+				"qcom,phy-rescode-offset-bot value %d is not in range [-32..31]\n",
+				offset_bot[i]);
+			return -EINVAL;
+		}
+		tuning_cfg->rescode_offset_bot[i] = 0x3f & offset_bot[i];
+	}
+
+	/* Drive level/amplitude adjustment parameters */
+	ret = of_property_read_u32(dev->of_node, "qcom,phy-drive-ldo-level", &ldo_level);
+	if (ret && ret != -EINVAL) {
+		DRM_DEV_ERROR(dev, "failed to parse qcom,phy-drive-ldo-level, %d\n", ret);
+		return ret;
+	}
+
+	switch (ldo_level) {
+	case 375:
+		level = 0;
+		break;
+	case 400:
+		level = 1;
+		break;
+	case 425:
+		level = 2;
+		break;
+	case 450:
+		level = 3;
+		break;
+	case 475:
+		level = 4;
+		break;
+	case 500:
+		level = 5;
+		break;
+	default:
+		DRM_DEV_ERROR(dev, "qcom,phy-drive-ldo-level %d is not supported\n", ldo_level);
+		return -EINVAL;
+	}
+	tuning_cfg->vreg_ctrl = 0x58 | (0x7 & level);
+
+	phy->tuning_cfg = tuning_cfg;
+
+	return 0;
+}
+
+static const struct regulator_bulk_data dsi_phy_10nm_regulators[] = {
+	{ .supply = "vdds", .init_load_uA = 36000 },
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs = {
+	.has_phy_lane = true,
+	.regulator_data = dsi_phy_10nm_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_10nm_regulators),
+	.ops = {
+		.enable = dsi_10nm_phy_enable,
+		.disable = dsi_10nm_phy_disable,
+		.pll_init = dsi_pll_10nm_init,
+		.save_pll_state = dsi_10nm_pll_save_state,
+		.restore_pll_state = dsi_10nm_pll_restore_state,
+		.parse_dt_properties = dsi_10nm_phy_parse_dt,
+	},
+	.min_pll_rate = 1000000000UL,
+	.max_pll_rate = 3500000000UL,
+	.io_start = { 0xae94400, 0xae96400 },
+	.num_dsi_phy = 2,
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs = {
+	.has_phy_lane = true,
+	.regulator_data = dsi_phy_10nm_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_10nm_regulators),
+	.ops = {
+		.enable = dsi_10nm_phy_enable,
+		.disable = dsi_10nm_phy_disable,
+		.pll_init = dsi_pll_10nm_init,
+		.save_pll_state = dsi_10nm_pll_save_state,
+		.restore_pll_state = dsi_10nm_pll_restore_state,
+		.parse_dt_properties = dsi_10nm_phy_parse_dt,
+	},
+	.min_pll_rate = 1000000000UL,
+	.max_pll_rate = 3500000000UL,
+	.io_start = { 0xc994400, 0xc996400 },
+	.num_dsi_phy = 2,
+	.quirks = DSI_PHY_10NM_QUIRK_OLD_TIMINGS,
+};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
new file mode 100644
index 000000000..f0780c40b
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
@@ -0,0 +1,1086 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+
+#include "dsi_phy.h"
+#include "dsi.xml.h"
+#include "dsi_phy_14nm.xml.h"
+
+#define PHY_14NM_CKLN_IDX	4
+
+/*
+ * DSI PLL 14nm - clock diagram (eg: DSI0):
+ *
+ *         dsi0n1_postdiv_clk
+ *                         |
+ *                         |
+ *                 +----+  |  +----+
+ *  dsi0vco_clk ---| n1 |--o--| /8 |-- dsi0pllbyte
+ *                 +----+  |  +----+
+ *                         |           dsi0n1_postdivby2_clk
+ *                         |   +----+  |
+ *                         o---| /2 |--o--|\
+ *                         |   +----+     | \   +----+
+ *                         |              |  |--| n2 |-- dsi0pll
+ *                         o--------------| /   +----+
+ *                                        |/
+ */
+
+#define POLL_MAX_READS			15
+#define POLL_TIMEOUT_US			1000
+
+#define VCO_REF_CLK_RATE		19200000
+#define VCO_MIN_RATE			1300000000UL
+#define VCO_MAX_RATE			2600000000UL
+
+struct dsi_pll_config {
+	u64 vco_current_rate;
+
+	u32 ssc_en;	/* SSC enable/disable */
+
+	/* fixed params */
+	u32 plllock_cnt;
+	u32 ssc_center;
+	u32 ssc_adj_period;
+	u32 ssc_spread;
+	u32 ssc_freq;
+
+	/* calculated */
+	u32 dec_start;
+	u32 div_frac_start;
+	u32 ssc_period;
+	u32 ssc_step_size;
+	u32 plllock_cmp;
+	u32 pll_vco_div_ref;
+	u32 pll_vco_count;
+	u32 pll_kvco_div_ref;
+	u32 pll_kvco_count;
+};
+
+struct pll_14nm_cached_state {
+	unsigned long vco_rate;
+	u8 n2postdiv;
+	u8 n1postdiv;
+};
+
+struct dsi_pll_14nm {
+	struct clk_hw clk_hw;
+
+	struct msm_dsi_phy *phy;
+
+	/* protects REG_DSI_14nm_PHY_CMN_CLK_CFG0 register */
+	spinlock_t postdiv_lock;
+
+	struct pll_14nm_cached_state cached_state;
+
+	struct dsi_pll_14nm *slave;
+};
+
+#define to_pll_14nm(x)	container_of(x, struct dsi_pll_14nm, clk_hw)
+
+/*
+ * Private struct for N1/N2 post-divider clocks. These clocks are similar to
+ * the generic clk_divider class of clocks. The only difference is that it
+ * also sets the slave DSI PLL's post-dividers if in bonded DSI mode
+ */
+struct dsi_pll_14nm_postdiv {
+	struct clk_hw hw;
+
+	/* divider params */
+	u8 shift;
+	u8 width;
+	u8 flags; /* same flags as used by clk_divider struct */
+
+	struct dsi_pll_14nm *pll;
+};
+
+#define to_pll_14nm_postdiv(_hw) container_of(_hw, struct dsi_pll_14nm_postdiv, hw)
+
+/*
+ * Global list of private DSI PLL struct pointers. We need this for bonded DSI
+ * mode, where the master PLL's clk_ops needs access the slave's private data
+ */
+static struct dsi_pll_14nm *pll_14nm_list[DSI_MAX];
+
+static bool pll_14nm_poll_for_ready(struct dsi_pll_14nm *pll_14nm,
+				    u32 nb_tries, u32 timeout_us)
+{
+	bool pll_locked = false, pll_ready = false;
+	void __iomem *base = pll_14nm->phy->pll_base;
+	u32 tries, val;
+
+	tries = nb_tries;
+	while (tries--) {
+		val = dsi_phy_read(base + REG_DSI_14nm_PHY_PLL_RESET_SM_READY_STATUS);
+		pll_locked = !!(val & BIT(5));
+
+		if (pll_locked)
+			break;
+
+		udelay(timeout_us);
+	}
+
+	if (!pll_locked)
+		goto out;
+
+	tries = nb_tries;
+	while (tries--) {
+		val = dsi_phy_read(base + REG_DSI_14nm_PHY_PLL_RESET_SM_READY_STATUS);
+		pll_ready = !!(val & BIT(0));
+
+		if (pll_ready)
+			break;
+
+		udelay(timeout_us);
+	}
+
+out:
+	DBG("DSI PLL is %slocked, %sready", pll_locked ? "" : "*not* ", pll_ready ? "" : "*not* ");
+
+	return pll_locked && pll_ready;
+}
+
+static void dsi_pll_14nm_config_init(struct dsi_pll_config *pconf)
+{
+	/* fixed input */
+	pconf->plllock_cnt = 1;
+
+	/*
+	 * SSC is enabled by default. We might need DT props for configuring
+	 * some SSC params like PPM and center/down spread etc.
+	 */
+	pconf->ssc_en = 1;
+	pconf->ssc_center = 0;		/* down spread by default */
+	pconf->ssc_spread = 5;		/* PPM / 1000 */
+	pconf->ssc_freq = 31500;	/* default recommended */
+	pconf->ssc_adj_period = 37;
+}
+
+#define CEIL(x, y)		(((x) + ((y) - 1)) / (y))
+
+static void pll_14nm_ssc_calc(struct dsi_pll_14nm *pll, struct dsi_pll_config *pconf)
+{
+	u32 period, ssc_period;
+	u32 ref, rem;
+	u64 step_size;
+
+	DBG("vco=%lld ref=%d", pconf->vco_current_rate, VCO_REF_CLK_RATE);
+
+	ssc_period = pconf->ssc_freq / 500;
+	period = (u32)VCO_REF_CLK_RATE / 1000;
+	ssc_period  = CEIL(period, ssc_period);
+	ssc_period -= 1;
+	pconf->ssc_period = ssc_period;
+
+	DBG("ssc freq=%d spread=%d period=%d", pconf->ssc_freq,
+	    pconf->ssc_spread, pconf->ssc_period);
+
+	step_size = (u32)pconf->vco_current_rate;
+	ref = VCO_REF_CLK_RATE;
+	ref /= 1000;
+	step_size = div_u64(step_size, ref);
+	step_size <<= 20;
+	step_size = div_u64(step_size, 1000);
+	step_size *= pconf->ssc_spread;
+	step_size = div_u64(step_size, 1000);
+	step_size *= (pconf->ssc_adj_period + 1);
+
+	rem = 0;
+	step_size = div_u64_rem(step_size, ssc_period + 1, &rem);
+	if (rem)
+		step_size++;
+
+	DBG("step_size=%lld", step_size);
+
+	step_size &= 0x0ffff;	/* take lower 16 bits */
+
+	pconf->ssc_step_size = step_size;
+}
+
+static void pll_14nm_dec_frac_calc(struct dsi_pll_14nm *pll, struct dsi_pll_config *pconf)
+{
+	u64 multiplier = BIT(20);
+	u64 dec_start_multiple, dec_start, pll_comp_val;
+	u32 duration, div_frac_start;
+	u64 vco_clk_rate = pconf->vco_current_rate;
+	u64 fref = VCO_REF_CLK_RATE;
+
+	DBG("vco_clk_rate=%lld ref_clk_rate=%lld", vco_clk_rate, fref);
+
+	dec_start_multiple = div_u64(vco_clk_rate * multiplier, fref);
+	dec_start = div_u64_rem(dec_start_multiple, multiplier, &div_frac_start);
+
+	pconf->dec_start = (u32)dec_start;
+	pconf->div_frac_start = div_frac_start;
+
+	if (pconf->plllock_cnt == 0)
+		duration = 1024;
+	else if (pconf->plllock_cnt == 1)
+		duration = 256;
+	else if (pconf->plllock_cnt == 2)
+		duration = 128;
+	else
+		duration = 32;
+
+	pll_comp_val = duration * dec_start_multiple;
+	pll_comp_val = div_u64(pll_comp_val, multiplier);
+	do_div(pll_comp_val, 10);
+
+	pconf->plllock_cmp = (u32)pll_comp_val;
+}
+
+static u32 pll_14nm_kvco_slop(u32 vrate)
+{
+	u32 slop = 0;
+
+	if (vrate > VCO_MIN_RATE && vrate <= 1800000000UL)
+		slop =  600;
+	else if (vrate > 1800000000UL && vrate < 2300000000UL)
+		slop = 400;
+	else if (vrate > 2300000000UL && vrate < VCO_MAX_RATE)
+		slop = 280;
+
+	return slop;
+}
+
+static void pll_14nm_calc_vco_count(struct dsi_pll_14nm *pll, struct dsi_pll_config *pconf)
+{
+	u64 vco_clk_rate = pconf->vco_current_rate;
+	u64 fref = VCO_REF_CLK_RATE;
+	u32 vco_measure_time = 5;
+	u32 kvco_measure_time = 5;
+	u64 data;
+	u32 cnt;
+
+	data = fref * vco_measure_time;
+	do_div(data, 1000000);
+	data &= 0x03ff;	/* 10 bits */
+	data -= 2;
+	pconf->pll_vco_div_ref = data;
+
+	data = div_u64(vco_clk_rate, 1000000);	/* unit is Mhz */
+	data *= vco_measure_time;
+	do_div(data, 10);
+	pconf->pll_vco_count = data;
+
+	data = fref * kvco_measure_time;
+	do_div(data, 1000000);
+	data &= 0x03ff;	/* 10 bits */
+	data -= 1;
+	pconf->pll_kvco_div_ref = data;
+
+	cnt = pll_14nm_kvco_slop(vco_clk_rate);
+	cnt *= 2;
+	cnt /= 100;
+	cnt *= kvco_measure_time;
+	pconf->pll_kvco_count = cnt;
+}
+
+static void pll_db_commit_ssc(struct dsi_pll_14nm *pll, struct dsi_pll_config *pconf)
+{
+	void __iomem *base = pll->phy->pll_base;
+	u8 data;
+
+	data = pconf->ssc_adj_period;
+	data &= 0x0ff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_SSC_ADJ_PER1, data);
+	data = (pconf->ssc_adj_period >> 8);
+	data &= 0x03;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_SSC_ADJ_PER2, data);
+
+	data = pconf->ssc_period;
+	data &= 0x0ff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_SSC_PER1, data);
+	data = (pconf->ssc_period >> 8);
+	data &= 0x0ff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_SSC_PER2, data);
+
+	data = pconf->ssc_step_size;
+	data &= 0x0ff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_SSC_STEP_SIZE1, data);
+	data = (pconf->ssc_step_size >> 8);
+	data &= 0x0ff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_SSC_STEP_SIZE2, data);
+
+	data = (pconf->ssc_center & 0x01);
+	data <<= 1;
+	data |= 0x01; /* enable */
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_SSC_EN_CENTER, data);
+
+	wmb();	/* make sure register committed */
+}
+
+static void pll_db_commit_common(struct dsi_pll_14nm *pll,
+				 struct dsi_pll_config *pconf)
+{
+	void __iomem *base = pll->phy->pll_base;
+	u8 data;
+
+	/* confgiure the non frequency dependent pll registers */
+	data = 0;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_SYSCLK_EN_RESET, data);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_TXCLK_EN, 1);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL, 48);
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL2, 4 << 3); /* bandgap_timer */
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_RESETSM_CNTRL5, 5); /* pll_wakeup_timer */
+
+	data = pconf->pll_vco_div_ref & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_VCO_DIV_REF1, data);
+	data = (pconf->pll_vco_div_ref >> 8) & 0x3;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_VCO_DIV_REF2, data);
+
+	data = pconf->pll_kvco_div_ref & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_KVCO_DIV_REF1, data);
+	data = (pconf->pll_kvco_div_ref >> 8) & 0x3;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_KVCO_DIV_REF2, data);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLL_MISC1, 16);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_IE_TRIM, 4);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_IP_TRIM, 4);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_CP_SET_CUR, 1 << 3 | 1);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLL_ICPCSET, 0 << 3 | 0);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLL_ICPMSET, 0 << 3 | 0);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLL_ICP_SET, 4 << 3 | 4);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLL_LPF1, 1 << 4 | 11);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_IPTAT_TRIM, 7);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLL_CRCTRL, 1 << 4 | 2);
+}
+
+static void pll_14nm_software_reset(struct dsi_pll_14nm *pll_14nm)
+{
+	void __iomem *cmn_base = pll_14nm->phy->base;
+
+	/* de assert pll start and apply pll sw reset */
+
+	/* stop pll */
+	dsi_phy_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 0);
+
+	/* pll sw reset */
+	dsi_phy_write_udelay(cmn_base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0x20, 10);
+	wmb();	/* make sure register committed */
+
+	dsi_phy_write(cmn_base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0);
+	wmb();	/* make sure register committed */
+}
+
+static void pll_db_commit_14nm(struct dsi_pll_14nm *pll,
+			       struct dsi_pll_config *pconf)
+{
+	void __iomem *base = pll->phy->pll_base;
+	void __iomem *cmn_base = pll->phy->base;
+	u8 data;
+
+	DBG("DSI%d PLL", pll->phy->id);
+
+	dsi_phy_write(cmn_base + REG_DSI_14nm_PHY_CMN_LDO_CNTRL, 0x3c);
+
+	pll_db_commit_common(pll, pconf);
+
+	pll_14nm_software_reset(pll);
+
+	/* Use the /2 path in Mux */
+	dsi_phy_write(cmn_base + REG_DSI_14nm_PHY_CMN_CLK_CFG1, 1);
+
+	data = 0xff; /* data, clk, pll normal operation */
+	dsi_phy_write(cmn_base + REG_DSI_14nm_PHY_CMN_CTRL_0, data);
+
+	/* configure the frequency dependent pll registers */
+	data = pconf->dec_start;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_DEC_START, data);
+
+	data = pconf->div_frac_start & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START1, data);
+	data = (pconf->div_frac_start >> 8) & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START2, data);
+	data = (pconf->div_frac_start >> 16) & 0xf;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START3, data);
+
+	data = pconf->plllock_cmp & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP1, data);
+
+	data = (pconf->plllock_cmp >> 8) & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP2, data);
+
+	data = (pconf->plllock_cmp >> 16) & 0x3;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP3, data);
+
+	data = pconf->plllock_cnt << 1 | 0 << 3; /* plllock_rng */
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLLLOCK_CMP_EN, data);
+
+	data = pconf->pll_vco_count & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_VCO_COUNT1, data);
+	data = (pconf->pll_vco_count >> 8) & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_VCO_COUNT2, data);
+
+	data = pconf->pll_kvco_count & 0xff;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_KVCO_COUNT1, data);
+	data = (pconf->pll_kvco_count >> 8) & 0x3;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_KVCO_COUNT2, data);
+
+	/*
+	 * High nibble configures the post divider internal to the VCO. It's
+	 * fixed to divide by 1 for now.
+	 *
+	 * 0: divided by 1
+	 * 1: divided by 2
+	 * 2: divided by 4
+	 * 3: divided by 8
+	 */
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLL_LPF2_POSTDIV, 0 << 4 | 3);
+
+	if (pconf->ssc_en)
+		pll_db_commit_ssc(pll, pconf);
+
+	wmb();	/* make sure register committed */
+}
+
+/*
+ * VCO clock Callbacks
+ */
+static int dsi_pll_14nm_vco_set_rate(struct clk_hw *hw, unsigned long rate,
+				     unsigned long parent_rate)
+{
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(hw);
+	struct dsi_pll_config conf;
+
+	DBG("DSI PLL%d rate=%lu, parent's=%lu", pll_14nm->phy->id, rate,
+	    parent_rate);
+
+	dsi_pll_14nm_config_init(&conf);
+	conf.vco_current_rate = rate;
+
+	pll_14nm_dec_frac_calc(pll_14nm, &conf);
+
+	if (conf.ssc_en)
+		pll_14nm_ssc_calc(pll_14nm, &conf);
+
+	pll_14nm_calc_vco_count(pll_14nm, &conf);
+
+	/* commit the slave DSI PLL registers if we're master. Note that we
+	 * don't lock the slave PLL. We just ensure that the PLL/PHY registers
+	 * of the master and slave are identical
+	 */
+	if (pll_14nm->phy->usecase == MSM_DSI_PHY_MASTER) {
+		struct dsi_pll_14nm *pll_14nm_slave = pll_14nm->slave;
+
+		pll_db_commit_14nm(pll_14nm_slave, &conf);
+	}
+
+	pll_db_commit_14nm(pll_14nm, &conf);
+
+	return 0;
+}
+
+static unsigned long dsi_pll_14nm_vco_recalc_rate(struct clk_hw *hw,
+						  unsigned long parent_rate)
+{
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(hw);
+	void __iomem *base = pll_14nm->phy->pll_base;
+	u64 vco_rate, multiplier = BIT(20);
+	u32 div_frac_start;
+	u32 dec_start;
+	u64 ref_clk = parent_rate;
+
+	dec_start = dsi_phy_read(base + REG_DSI_14nm_PHY_PLL_DEC_START);
+	dec_start &= 0x0ff;
+
+	DBG("dec_start = %x", dec_start);
+
+	div_frac_start = (dsi_phy_read(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START3)
+				& 0xf) << 16;
+	div_frac_start |= (dsi_phy_read(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START2)
+				& 0xff) << 8;
+	div_frac_start |= dsi_phy_read(base + REG_DSI_14nm_PHY_PLL_DIV_FRAC_START1)
+				& 0xff;
+
+	DBG("div_frac_start = %x", div_frac_start);
+
+	vco_rate = ref_clk * dec_start;
+
+	vco_rate += ((ref_clk * div_frac_start) / multiplier);
+
+	/*
+	 * Recalculating the rate from dec_start and frac_start doesn't end up
+	 * the rate we originally set. Convert the freq to KHz, round it up and
+	 * convert it back to MHz.
+	 */
+	vco_rate = DIV_ROUND_UP_ULL(vco_rate, 1000) * 1000;
+
+	DBG("returning vco rate = %lu", (unsigned long)vco_rate);
+
+	return (unsigned long)vco_rate;
+}
+
+static int dsi_pll_14nm_vco_prepare(struct clk_hw *hw)
+{
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(hw);
+	void __iomem *base = pll_14nm->phy->pll_base;
+	void __iomem *cmn_base = pll_14nm->phy->base;
+	bool locked;
+
+	DBG("");
+
+	if (unlikely(pll_14nm->phy->pll_on))
+		return 0;
+
+	if (dsi_pll_14nm_vco_recalc_rate(hw, VCO_REF_CLK_RATE) == 0)
+		dsi_pll_14nm_vco_set_rate(hw, pll_14nm->phy->cfg->min_pll_rate, VCO_REF_CLK_RATE);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_VREF_CFG1, 0x10);
+	dsi_phy_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 1);
+
+	locked = pll_14nm_poll_for_ready(pll_14nm, POLL_MAX_READS,
+					 POLL_TIMEOUT_US);
+
+	if (unlikely(!locked)) {
+		DRM_DEV_ERROR(&pll_14nm->phy->pdev->dev, "DSI PLL lock failed\n");
+		return -EINVAL;
+	}
+
+	DBG("DSI PLL lock success");
+	pll_14nm->phy->pll_on = true;
+
+	return 0;
+}
+
+static void dsi_pll_14nm_vco_unprepare(struct clk_hw *hw)
+{
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(hw);
+	void __iomem *cmn_base = pll_14nm->phy->base;
+
+	DBG("");
+
+	if (unlikely(!pll_14nm->phy->pll_on))
+		return;
+
+	dsi_phy_write(cmn_base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 0);
+
+	pll_14nm->phy->pll_on = false;
+}
+
+static long dsi_pll_14nm_clk_round_rate(struct clk_hw *hw,
+		unsigned long rate, unsigned long *parent_rate)
+{
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(hw);
+
+	if      (rate < pll_14nm->phy->cfg->min_pll_rate)
+		return  pll_14nm->phy->cfg->min_pll_rate;
+	else if (rate > pll_14nm->phy->cfg->max_pll_rate)
+		return  pll_14nm->phy->cfg->max_pll_rate;
+	else
+		return rate;
+}
+
+static const struct clk_ops clk_ops_dsi_pll_14nm_vco = {
+	.round_rate = dsi_pll_14nm_clk_round_rate,
+	.set_rate = dsi_pll_14nm_vco_set_rate,
+	.recalc_rate = dsi_pll_14nm_vco_recalc_rate,
+	.prepare = dsi_pll_14nm_vco_prepare,
+	.unprepare = dsi_pll_14nm_vco_unprepare,
+};
+
+/*
+ * N1 and N2 post-divider clock callbacks
+ */
+#define div_mask(width)	((1 << (width)) - 1)
+static unsigned long dsi_pll_14nm_postdiv_recalc_rate(struct clk_hw *hw,
+						      unsigned long parent_rate)
+{
+	struct dsi_pll_14nm_postdiv *postdiv = to_pll_14nm_postdiv(hw);
+	struct dsi_pll_14nm *pll_14nm = postdiv->pll;
+	void __iomem *base = pll_14nm->phy->base;
+	u8 shift = postdiv->shift;
+	u8 width = postdiv->width;
+	u32 val;
+
+	DBG("DSI%d PLL parent rate=%lu", pll_14nm->phy->id, parent_rate);
+
+	val = dsi_phy_read(base + REG_DSI_14nm_PHY_CMN_CLK_CFG0) >> shift;
+	val &= div_mask(width);
+
+	return divider_recalc_rate(hw, parent_rate, val, NULL,
+				   postdiv->flags, width);
+}
+
+static long dsi_pll_14nm_postdiv_round_rate(struct clk_hw *hw,
+					    unsigned long rate,
+					    unsigned long *prate)
+{
+	struct dsi_pll_14nm_postdiv *postdiv = to_pll_14nm_postdiv(hw);
+	struct dsi_pll_14nm *pll_14nm = postdiv->pll;
+
+	DBG("DSI%d PLL parent rate=%lu", pll_14nm->phy->id, rate);
+
+	return divider_round_rate(hw, rate, prate, NULL,
+				  postdiv->width,
+				  postdiv->flags);
+}
+
+static int dsi_pll_14nm_postdiv_set_rate(struct clk_hw *hw, unsigned long rate,
+					 unsigned long parent_rate)
+{
+	struct dsi_pll_14nm_postdiv *postdiv = to_pll_14nm_postdiv(hw);
+	struct dsi_pll_14nm *pll_14nm = postdiv->pll;
+	void __iomem *base = pll_14nm->phy->base;
+	spinlock_t *lock = &pll_14nm->postdiv_lock;
+	u8 shift = postdiv->shift;
+	u8 width = postdiv->width;
+	unsigned int value;
+	unsigned long flags = 0;
+	u32 val;
+
+	DBG("DSI%d PLL parent rate=%lu parent rate %lu", pll_14nm->phy->id, rate,
+	    parent_rate);
+
+	value = divider_get_val(rate, parent_rate, NULL, postdiv->width,
+				postdiv->flags);
+
+	spin_lock_irqsave(lock, flags);
+
+	val = dsi_phy_read(base + REG_DSI_14nm_PHY_CMN_CLK_CFG0);
+	val &= ~(div_mask(width) << shift);
+
+	val |= value << shift;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, val);
+
+	/* If we're master in bonded DSI mode, then the slave PLL's post-dividers
+	 * follow the master's post dividers
+	 */
+	if (pll_14nm->phy->usecase == MSM_DSI_PHY_MASTER) {
+		struct dsi_pll_14nm *pll_14nm_slave = pll_14nm->slave;
+		void __iomem *slave_base = pll_14nm_slave->phy->base;
+
+		dsi_phy_write(slave_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, val);
+	}
+
+	spin_unlock_irqrestore(lock, flags);
+
+	return 0;
+}
+
+static const struct clk_ops clk_ops_dsi_pll_14nm_postdiv = {
+	.recalc_rate = dsi_pll_14nm_postdiv_recalc_rate,
+	.round_rate = dsi_pll_14nm_postdiv_round_rate,
+	.set_rate = dsi_pll_14nm_postdiv_set_rate,
+};
+
+/*
+ * PLL Callbacks
+ */
+
+static void dsi_14nm_pll_save_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(phy->vco_hw);
+	struct pll_14nm_cached_state *cached_state = &pll_14nm->cached_state;
+	void __iomem *cmn_base = pll_14nm->phy->base;
+	u32 data;
+
+	data = dsi_phy_read(cmn_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0);
+
+	cached_state->n1postdiv = data & 0xf;
+	cached_state->n2postdiv = (data >> 4) & 0xf;
+
+	DBG("DSI%d PLL save state %x %x", pll_14nm->phy->id,
+	    cached_state->n1postdiv, cached_state->n2postdiv);
+
+	cached_state->vco_rate = clk_hw_get_rate(phy->vco_hw);
+}
+
+static int dsi_14nm_pll_restore_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(phy->vco_hw);
+	struct pll_14nm_cached_state *cached_state = &pll_14nm->cached_state;
+	void __iomem *cmn_base = pll_14nm->phy->base;
+	u32 data;
+	int ret;
+
+	ret = dsi_pll_14nm_vco_set_rate(phy->vco_hw,
+					cached_state->vco_rate, 0);
+	if (ret) {
+		DRM_DEV_ERROR(&pll_14nm->phy->pdev->dev,
+			      "restore vco rate failed. ret=%d\n", ret);
+		return ret;
+	}
+
+	data = cached_state->n1postdiv | (cached_state->n2postdiv << 4);
+
+	DBG("DSI%d PLL restore state %x %x", pll_14nm->phy->id,
+	    cached_state->n1postdiv, cached_state->n2postdiv);
+
+	dsi_phy_write(cmn_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, data);
+
+	/* also restore post-dividers for slave DSI PLL */
+	if (phy->usecase == MSM_DSI_PHY_MASTER) {
+		struct dsi_pll_14nm *pll_14nm_slave = pll_14nm->slave;
+		void __iomem *slave_base = pll_14nm_slave->phy->base;
+
+		dsi_phy_write(slave_base + REG_DSI_14nm_PHY_CMN_CLK_CFG0, data);
+	}
+
+	return 0;
+}
+
+static int dsi_14nm_set_usecase(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_14nm *pll_14nm = to_pll_14nm(phy->vco_hw);
+	void __iomem *base = phy->pll_base;
+	u32 clkbuflr_en, bandgap = 0;
+
+	switch (phy->usecase) {
+	case MSM_DSI_PHY_STANDALONE:
+		clkbuflr_en = 0x1;
+		break;
+	case MSM_DSI_PHY_MASTER:
+		clkbuflr_en = 0x3;
+		pll_14nm->slave = pll_14nm_list[(pll_14nm->phy->id + 1) % DSI_MAX];
+		break;
+	case MSM_DSI_PHY_SLAVE:
+		clkbuflr_en = 0x0;
+		bandgap = 0x3;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_CLKBUFLR_EN, clkbuflr_en);
+	if (bandgap)
+		dsi_phy_write(base + REG_DSI_14nm_PHY_PLL_PLL_BANDGAP, bandgap);
+
+	return 0;
+}
+
+static struct clk_hw *pll_14nm_postdiv_register(struct dsi_pll_14nm *pll_14nm,
+						const char *name,
+						const struct clk_hw *parent_hw,
+						unsigned long flags,
+						u8 shift)
+{
+	struct dsi_pll_14nm_postdiv *pll_postdiv;
+	struct device *dev = &pll_14nm->phy->pdev->dev;
+	struct clk_init_data postdiv_init = {
+		.parent_hws = (const struct clk_hw *[]) { parent_hw },
+		.num_parents = 1,
+		.name = name,
+		.flags = flags,
+		.ops = &clk_ops_dsi_pll_14nm_postdiv,
+	};
+	int ret;
+
+	pll_postdiv = devm_kzalloc(dev, sizeof(*pll_postdiv), GFP_KERNEL);
+	if (!pll_postdiv)
+		return ERR_PTR(-ENOMEM);
+
+	pll_postdiv->pll = pll_14nm;
+	pll_postdiv->shift = shift;
+	/* both N1 and N2 postdividers are 4 bits wide */
+	pll_postdiv->width = 4;
+	/* range of each divider is from 1 to 15 */
+	pll_postdiv->flags = CLK_DIVIDER_ONE_BASED;
+	pll_postdiv->hw.init = &postdiv_init;
+
+	ret = devm_clk_hw_register(dev, &pll_postdiv->hw);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return &pll_postdiv->hw;
+}
+
+static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm, struct clk_hw **provided_clocks)
+{
+	char clk_name[32];
+	struct clk_init_data vco_init = {
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "ref",
+		},
+		.num_parents = 1,
+		.name = clk_name,
+		.flags = CLK_IGNORE_UNUSED,
+		.ops = &clk_ops_dsi_pll_14nm_vco,
+	};
+	struct device *dev = &pll_14nm->phy->pdev->dev;
+	struct clk_hw *hw, *n1_postdiv, *n1_postdivby2;
+	int ret;
+
+	DBG("DSI%d", pll_14nm->phy->id);
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dvco_clk", pll_14nm->phy->id);
+	pll_14nm->clk_hw.init = &vco_init;
+
+	ret = devm_clk_hw_register(dev, &pll_14nm->clk_hw);
+	if (ret)
+		return ret;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dn1_postdiv_clk", pll_14nm->phy->id);
+
+	/* N1 postdiv, bits 0-3 in REG_DSI_14nm_PHY_CMN_CLK_CFG0 */
+	n1_postdiv = pll_14nm_postdiv_register(pll_14nm, clk_name,
+			&pll_14nm->clk_hw, CLK_SET_RATE_PARENT, 0);
+	if (IS_ERR(n1_postdiv))
+		return PTR_ERR(n1_postdiv);
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dpllbyte", pll_14nm->phy->id);
+
+	/* DSI Byte clock = VCO_CLK / N1 / 8 */
+	hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, clk_name,
+			n1_postdiv, CLK_SET_RATE_PARENT, 1, 8);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+
+	provided_clocks[DSI_BYTE_PLL_CLK] = hw;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dn1_postdivby2_clk", pll_14nm->phy->id);
+
+	/*
+	 * Skip the mux for now, force DSICLK_SEL to 1, Add a /2 divider
+	 * on the way. Don't let it set parent.
+	 */
+	n1_postdivby2 = devm_clk_hw_register_fixed_factor_parent_hw(dev,
+			clk_name, n1_postdiv, 0, 1, 2);
+	if (IS_ERR(n1_postdivby2))
+		return PTR_ERR(n1_postdivby2);
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dpll", pll_14nm->phy->id);
+
+	/* DSI pixel clock = VCO_CLK / N1 / 2 / N2
+	 * This is the output of N2 post-divider, bits 4-7 in
+	 * REG_DSI_14nm_PHY_CMN_CLK_CFG0. Don't let it set parent.
+	 */
+	hw = pll_14nm_postdiv_register(pll_14nm, clk_name, n1_postdivby2,
+			0, 4);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+
+	provided_clocks[DSI_PIXEL_PLL_CLK] = hw;
+
+	return 0;
+}
+
+static int dsi_pll_14nm_init(struct msm_dsi_phy *phy)
+{
+	struct platform_device *pdev = phy->pdev;
+	struct dsi_pll_14nm *pll_14nm;
+	int ret;
+
+	if (!pdev)
+		return -ENODEV;
+
+	pll_14nm = devm_kzalloc(&pdev->dev, sizeof(*pll_14nm), GFP_KERNEL);
+	if (!pll_14nm)
+		return -ENOMEM;
+
+	DBG("PLL%d", phy->id);
+
+	pll_14nm_list[phy->id] = pll_14nm;
+
+	spin_lock_init(&pll_14nm->postdiv_lock);
+
+	pll_14nm->phy = phy;
+
+	ret = pll_14nm_register(pll_14nm, phy->provided_clocks->hws);
+	if (ret) {
+		DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret);
+		return ret;
+	}
+
+	phy->vco_hw = &pll_14nm->clk_hw;
+
+	return 0;
+}
+
+static void dsi_14nm_dphy_set_timing(struct msm_dsi_phy *phy,
+				     struct msm_dsi_dphy_timing *timing,
+				     int lane_idx)
+{
+	void __iomem *base = phy->lane_base;
+	bool clk_ln = (lane_idx == PHY_14NM_CKLN_IDX);
+	u32 zero = clk_ln ? timing->clk_zero : timing->hs_zero;
+	u32 prepare = clk_ln ? timing->clk_prepare : timing->hs_prepare;
+	u32 trail = clk_ln ? timing->clk_trail : timing->hs_trail;
+	u32 rqst = clk_ln ? timing->hs_rqst_ckln : timing->hs_rqst;
+	u32 prep_dly = clk_ln ? timing->hs_prep_dly_ckln : timing->hs_prep_dly;
+	u32 halfbyte_en = clk_ln ? timing->hs_halfbyte_en_ckln :
+				   timing->hs_halfbyte_en;
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_4(lane_idx),
+		      DSI_14nm_PHY_LN_TIMING_CTRL_4_HS_EXIT(timing->hs_exit));
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_5(lane_idx),
+		      DSI_14nm_PHY_LN_TIMING_CTRL_5_HS_ZERO(zero));
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_6(lane_idx),
+		      DSI_14nm_PHY_LN_TIMING_CTRL_6_HS_PREPARE(prepare));
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_7(lane_idx),
+		      DSI_14nm_PHY_LN_TIMING_CTRL_7_HS_TRAIL(trail));
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_8(lane_idx),
+		      DSI_14nm_PHY_LN_TIMING_CTRL_8_HS_RQST(rqst));
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_CFG0(lane_idx),
+		      DSI_14nm_PHY_LN_CFG0_PREPARE_DLY(prep_dly));
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_CFG1(lane_idx),
+		      halfbyte_en ? DSI_14nm_PHY_LN_CFG1_HALFBYTECLK_EN : 0);
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_9(lane_idx),
+		      DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_GO(timing->ta_go) |
+		      DSI_14nm_PHY_LN_TIMING_CTRL_9_TA_SURE(timing->ta_sure));
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_10(lane_idx),
+		      DSI_14nm_PHY_LN_TIMING_CTRL_10_TA_GET(timing->ta_get));
+	dsi_phy_write(base + REG_DSI_14nm_PHY_LN_TIMING_CTRL_11(lane_idx),
+		      DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD(0xa0));
+}
+
+static int dsi_14nm_phy_enable(struct msm_dsi_phy *phy,
+			       struct msm_dsi_phy_clk_request *clk_req)
+{
+	struct msm_dsi_dphy_timing *timing = &phy->timing;
+	u32 data;
+	int i;
+	int ret;
+	void __iomem *base = phy->base;
+	void __iomem *lane_base = phy->lane_base;
+	u32 glbl_test_ctrl;
+
+	if (msm_dsi_dphy_timing_calc_v2(timing, clk_req)) {
+		DRM_DEV_ERROR(&phy->pdev->dev,
+			      "%s: D-PHY timing calculation failed\n",
+			      __func__);
+		return -EINVAL;
+	}
+
+	data = 0x1c;
+	if (phy->usecase != MSM_DSI_PHY_STANDALONE)
+		data |= DSI_14nm_PHY_CMN_LDO_CNTRL_VREG_CTRL(32);
+	dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_LDO_CNTRL, data);
+
+	dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL, 0x1);
+
+	/* 4 data lanes + 1 clk lane configuration */
+	for (i = 0; i < 5; i++) {
+		dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_VREG_CNTRL(i),
+			      0x1d);
+
+		dsi_phy_write(lane_base +
+			      REG_DSI_14nm_PHY_LN_STRENGTH_CTRL_0(i), 0xff);
+		dsi_phy_write(lane_base +
+			      REG_DSI_14nm_PHY_LN_STRENGTH_CTRL_1(i),
+			      (i == PHY_14NM_CKLN_IDX) ? 0x00 : 0x06);
+
+		dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_CFG3(i),
+			      (i == PHY_14NM_CKLN_IDX) ? 0x8f : 0x0f);
+		dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_CFG2(i), 0x10);
+		dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_TEST_DATAPATH(i),
+			      0);
+		dsi_phy_write(lane_base + REG_DSI_14nm_PHY_LN_TEST_STR(i),
+			      0x88);
+
+		dsi_14nm_dphy_set_timing(phy, timing, i);
+	}
+
+	/* Make sure PLL is not start */
+	dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_PLL_CNTRL, 0x00);
+
+	wmb(); /* make sure everything is written before reset and enable */
+
+	/* reset digital block */
+	dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0x80);
+	wmb(); /* ensure reset is asserted */
+	udelay(100);
+	dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0x00);
+
+	glbl_test_ctrl = dsi_phy_read(base + REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL);
+	if (phy->id == DSI_1 && phy->usecase == MSM_DSI_PHY_SLAVE)
+		glbl_test_ctrl |= DSI_14nm_PHY_CMN_GLBL_TEST_CTRL_BITCLK_HS_SEL;
+	else
+		glbl_test_ctrl &= ~DSI_14nm_PHY_CMN_GLBL_TEST_CTRL_BITCLK_HS_SEL;
+	dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL, glbl_test_ctrl);
+	ret = dsi_14nm_set_usecase(phy);
+	if (ret) {
+		DRM_DEV_ERROR(&phy->pdev->dev, "%s: set pll usecase failed, %d\n",
+			      __func__, ret);
+		return ret;
+	}
+
+	/* Remove power down from PLL and all lanes */
+	dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CTRL_0, 0xff);
+
+	return 0;
+}
+
+static void dsi_14nm_phy_disable(struct msm_dsi_phy *phy)
+{
+	dsi_phy_write(phy->base + REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL, 0);
+	dsi_phy_write(phy->base + REG_DSI_14nm_PHY_CMN_CTRL_0, 0);
+
+	/* ensure that the phy is completely disabled */
+	wmb();
+}
+
+static const struct regulator_bulk_data dsi_phy_14nm_17mA_regulators[] = {
+	{ .supply = "vcca", .init_load_uA = 17000 },
+};
+
+static const struct regulator_bulk_data dsi_phy_14nm_73p4mA_regulators[] = {
+	{ .supply = "vcca", .init_load_uA = 73400 },
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs = {
+	.has_phy_lane = true,
+	.regulator_data = dsi_phy_14nm_17mA_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_14nm_17mA_regulators),
+	.ops = {
+		.enable = dsi_14nm_phy_enable,
+		.disable = dsi_14nm_phy_disable,
+		.pll_init = dsi_pll_14nm_init,
+		.save_pll_state = dsi_14nm_pll_save_state,
+		.restore_pll_state = dsi_14nm_pll_restore_state,
+	},
+	.min_pll_rate = VCO_MIN_RATE,
+	.max_pll_rate = VCO_MAX_RATE,
+	.io_start = { 0x994400, 0x996400 },
+	.num_dsi_phy = 2,
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs = {
+	.has_phy_lane = true,
+	.regulator_data = dsi_phy_14nm_73p4mA_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_14nm_73p4mA_regulators),
+	.ops = {
+		.enable = dsi_14nm_phy_enable,
+		.disable = dsi_14nm_phy_disable,
+		.pll_init = dsi_pll_14nm_init,
+		.save_pll_state = dsi_14nm_pll_save_state,
+		.restore_pll_state = dsi_14nm_pll_restore_state,
+	},
+	.min_pll_rate = VCO_MIN_RATE,
+	.max_pll_rate = VCO_MAX_RATE,
+	.io_start = { 0xc994400, 0xc996400 },
+	.num_dsi_phy = 2,
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_14nm_8953_cfgs = {
+	.has_phy_lane = true,
+	.regulator_data = dsi_phy_14nm_17mA_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_14nm_17mA_regulators),
+	.ops = {
+		.enable = dsi_14nm_phy_enable,
+		.disable = dsi_14nm_phy_disable,
+		.pll_init = dsi_pll_14nm_init,
+		.save_pll_state = dsi_14nm_pll_save_state,
+		.restore_pll_state = dsi_14nm_pll_restore_state,
+	},
+	.min_pll_rate = VCO_MIN_RATE,
+	.max_pll_rate = VCO_MAX_RATE,
+	.io_start = { 0x1a94400, 0x1a96400 },
+	.num_dsi_phy = 2,
+};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
new file mode 100644
index 000000000..c9752b991
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ */
+
+#include "dsi_phy.h"
+#include "dsi.xml.h"
+#include "dsi_phy_20nm.xml.h"
+
+static void dsi_20nm_dphy_set_timing(struct msm_dsi_phy *phy,
+		struct msm_dsi_dphy_timing *timing)
+{
+	void __iomem *base = phy->base;
+
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_0,
+		DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_1,
+		DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_2,
+		DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare));
+	if (timing->clk_zero & BIT(8))
+		dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_3,
+			DSI_20nm_PHY_TIMING_CTRL_3_CLK_ZERO_8);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_4,
+		DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_5,
+		DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_6,
+		DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_7,
+		DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_8,
+		DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_9,
+		DSI_20nm_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) |
+		DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_10,
+		DSI_20nm_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get));
+	dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_11,
+		DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0));
+}
+
+static void dsi_20nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
+{
+	void __iomem *base = phy->reg_base;
+
+	if (!enable) {
+		dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
+		return;
+	}
+
+	if (phy->regulator_ldo_mode) {
+		dsi_phy_write(phy->base + REG_DSI_20nm_PHY_LDO_CNTRL, 0x1d);
+		return;
+	}
+
+	/* non LDO mode */
+	dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_1, 0x03);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_2, 0x03);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_3, 0x00);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_4, 0x20);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CAL_PWR_CFG, 0x01);
+	dsi_phy_write(phy->base + REG_DSI_20nm_PHY_LDO_CNTRL, 0x00);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_0, 0x03);
+}
+
+static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy,
+				struct msm_dsi_phy_clk_request *clk_req)
+{
+	struct msm_dsi_dphy_timing *timing = &phy->timing;
+	int i;
+	void __iomem *base = phy->base;
+	u32 cfg_4[4] = {0x20, 0x40, 0x20, 0x00};
+	u32 val;
+
+	DBG("");
+
+	if (msm_dsi_dphy_timing_calc(timing, clk_req)) {
+		DRM_DEV_ERROR(&phy->pdev->dev,
+			"%s: D-PHY timing calculation failed\n", __func__);
+		return -EINVAL;
+	}
+
+	dsi_20nm_phy_regulator_ctrl(phy, true);
+
+	dsi_phy_write(base + REG_DSI_20nm_PHY_STRENGTH_0, 0xff);
+
+	val = dsi_phy_read(base + REG_DSI_20nm_PHY_GLBL_TEST_CTRL);
+	if (phy->id == DSI_1 && phy->usecase == MSM_DSI_PHY_STANDALONE)
+		val |= DSI_20nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
+	else
+		val &= ~DSI_20nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
+	dsi_phy_write(base + REG_DSI_20nm_PHY_GLBL_TEST_CTRL, val);
+
+	for (i = 0; i < 4; i++) {
+		dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_3(i),
+							(i >> 1) * 0x40);
+		dsi_phy_write(base + REG_DSI_20nm_PHY_LN_TEST_STR_0(i), 0x01);
+		dsi_phy_write(base + REG_DSI_20nm_PHY_LN_TEST_STR_1(i), 0x46);
+		dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_0(i), 0x02);
+		dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_1(i), 0xa0);
+		dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_4(i), cfg_4[i]);
+	}
+
+	dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_3, 0x80);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_TEST_STR0, 0x01);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_TEST_STR1, 0x46);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_0, 0x00);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_1, 0xa0);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_2, 0x00);
+	dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_4, 0x00);
+
+	dsi_20nm_dphy_set_timing(phy, timing);
+
+	dsi_phy_write(base + REG_DSI_20nm_PHY_CTRL_1, 0x00);
+
+	dsi_phy_write(base + REG_DSI_20nm_PHY_STRENGTH_1, 0x06);
+
+	/* make sure everything is written before enable */
+	wmb();
+	dsi_phy_write(base + REG_DSI_20nm_PHY_CTRL_0, 0x7f);
+
+	return 0;
+}
+
+static void dsi_20nm_phy_disable(struct msm_dsi_phy *phy)
+{
+	dsi_phy_write(phy->base + REG_DSI_20nm_PHY_CTRL_0, 0);
+	dsi_20nm_phy_regulator_ctrl(phy, false);
+}
+
+static const struct regulator_bulk_data dsi_phy_20nm_regulators[] = {
+	{ .supply = "vddio", .init_load_uA = 100000 },	/* 1.8 V */
+	{ .supply = "vcca", .init_load_uA = 10000 },	/* 1.0 V */
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs = {
+	.has_phy_regulator = true,
+	.regulator_data = dsi_phy_20nm_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_20nm_regulators),
+	.ops = {
+		.enable = dsi_20nm_phy_enable,
+		.disable = dsi_20nm_phy_disable,
+	},
+	.io_start = { 0xfd998500, 0xfd9a0500 },
+	.num_dsi_phy = 2,
+};
+
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
new file mode 100644
index 000000000..4c1bf55c5
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -0,0 +1,822 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+
+#include "dsi_phy.h"
+#include "dsi.xml.h"
+#include "dsi_phy_28nm.xml.h"
+
+/*
+ * DSI PLL 28nm - clock diagram (eg: DSI0):
+ *
+ *         dsi0analog_postdiv_clk
+ *                             |         dsi0indirect_path_div2_clk
+ *                             |          |
+ *                   +------+  |  +----+  |  |\   dsi0byte_mux
+ *  dsi0vco_clk --o--| DIV1 |--o--| /2 |--o--| \   |
+ *                |  +------+     +----+     | m|  |  +----+
+ *                |                          | u|--o--| /4 |-- dsi0pllbyte
+ *                |                          | x|     +----+
+ *                o--------------------------| /
+ *                |                          |/
+ *                |          +------+
+ *                o----------| DIV3 |------------------------- dsi0pll
+ *                           +------+
+ */
+
+#define POLL_MAX_READS			10
+#define POLL_TIMEOUT_US		50
+
+#define VCO_REF_CLK_RATE		19200000
+#define VCO_MIN_RATE			350000000
+#define VCO_MAX_RATE			750000000
+
+/* v2.0.0 28nm LP implementation */
+#define DSI_PHY_28NM_QUIRK_PHY_LP	BIT(0)
+
+#define LPFR_LUT_SIZE			10
+struct lpfr_cfg {
+	unsigned long vco_rate;
+	u32 resistance;
+};
+
+/* Loop filter resistance: */
+static const struct lpfr_cfg lpfr_lut[LPFR_LUT_SIZE] = {
+	{ 479500000,  8 },
+	{ 480000000, 11 },
+	{ 575500000,  8 },
+	{ 576000000, 12 },
+	{ 610500000,  8 },
+	{ 659500000,  9 },
+	{ 671500000, 10 },
+	{ 672000000, 14 },
+	{ 708500000, 10 },
+	{ 750000000, 11 },
+};
+
+struct pll_28nm_cached_state {
+	unsigned long vco_rate;
+	u8 postdiv3;
+	u8 postdiv1;
+	u8 byte_mux;
+};
+
+struct dsi_pll_28nm {
+	struct clk_hw clk_hw;
+
+	struct msm_dsi_phy *phy;
+
+	struct pll_28nm_cached_state cached_state;
+};
+
+#define to_pll_28nm(x)	container_of(x, struct dsi_pll_28nm, clk_hw)
+
+static bool pll_28nm_poll_for_ready(struct dsi_pll_28nm *pll_28nm,
+				u32 nb_tries, u32 timeout_us)
+{
+	bool pll_locked = false;
+	u32 val;
+
+	while (nb_tries--) {
+		val = dsi_phy_read(pll_28nm->phy->pll_base + REG_DSI_28nm_PHY_PLL_STATUS);
+		pll_locked = !!(val & DSI_28nm_PHY_PLL_STATUS_PLL_RDY);
+
+		if (pll_locked)
+			break;
+
+		udelay(timeout_us);
+	}
+	DBG("DSI PLL is %slocked", pll_locked ? "" : "*not* ");
+
+	return pll_locked;
+}
+
+static void pll_28nm_software_reset(struct dsi_pll_28nm *pll_28nm)
+{
+	void __iomem *base = pll_28nm->phy->pll_base;
+
+	/*
+	 * Add HW recommended delays after toggling the software
+	 * reset bit off and back on.
+	 */
+	dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_TEST_CFG,
+			     DSI_28nm_PHY_PLL_TEST_CFG_PLL_SW_RESET, 1);
+	dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_TEST_CFG, 0x00, 1);
+}
+
+/*
+ * Clock Callbacks
+ */
+static int dsi_pll_28nm_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+		unsigned long parent_rate)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+	struct device *dev = &pll_28nm->phy->pdev->dev;
+	void __iomem *base = pll_28nm->phy->pll_base;
+	unsigned long div_fbx1000, gen_vco_clk;
+	u32 refclk_cfg, frac_n_mode, frac_n_value;
+	u32 sdm_cfg0, sdm_cfg1, sdm_cfg2, sdm_cfg3;
+	u32 cal_cfg10, cal_cfg11;
+	u32 rem;
+	int i;
+
+	VERB("rate=%lu, parent's=%lu", rate, parent_rate);
+
+	/* Force postdiv2 to be div-4 */
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV2_CFG, 3);
+
+	/* Configure the Loop filter resistance */
+	for (i = 0; i < LPFR_LUT_SIZE; i++)
+		if (rate <= lpfr_lut[i].vco_rate)
+			break;
+	if (i == LPFR_LUT_SIZE) {
+		DRM_DEV_ERROR(dev, "unable to get loop filter resistance. vco=%lu\n",
+				rate);
+		return -EINVAL;
+	}
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LPFR_CFG, lpfr_lut[i].resistance);
+
+	/* Loop filter capacitance values : c1 and c2 */
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LPFC1_CFG, 0x70);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LPFC2_CFG, 0x15);
+
+	rem = rate % VCO_REF_CLK_RATE;
+	if (rem) {
+		refclk_cfg = DSI_28nm_PHY_PLL_REFCLK_CFG_DBLR;
+		frac_n_mode = 1;
+		div_fbx1000 = rate / (VCO_REF_CLK_RATE / 500);
+		gen_vco_clk = div_fbx1000 * (VCO_REF_CLK_RATE / 500);
+	} else {
+		refclk_cfg = 0x0;
+		frac_n_mode = 0;
+		div_fbx1000 = rate / (VCO_REF_CLK_RATE / 1000);
+		gen_vco_clk = div_fbx1000 * (VCO_REF_CLK_RATE / 1000);
+	}
+
+	DBG("refclk_cfg = %d", refclk_cfg);
+
+	rem = div_fbx1000 % 1000;
+	frac_n_value = (rem << 16) / 1000;
+
+	DBG("div_fb = %lu", div_fbx1000);
+	DBG("frac_n_value = %d", frac_n_value);
+
+	DBG("Generated VCO Clock: %lu", gen_vco_clk);
+	rem = 0;
+	sdm_cfg1 = dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1);
+	sdm_cfg1 &= ~DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET__MASK;
+	if (frac_n_mode) {
+		sdm_cfg0 = 0x0;
+		sdm_cfg0 |= DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV(0);
+		sdm_cfg1 |= DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET(
+				(u32)(((div_fbx1000 / 1000) & 0x3f) - 1));
+		sdm_cfg3 = frac_n_value >> 8;
+		sdm_cfg2 = frac_n_value & 0xff;
+	} else {
+		sdm_cfg0 = DSI_28nm_PHY_PLL_SDM_CFG0_BYP;
+		sdm_cfg0 |= DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV(
+				(u32)(((div_fbx1000 / 1000) & 0x3f) - 1));
+		sdm_cfg1 |= DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET(0);
+		sdm_cfg2 = 0;
+		sdm_cfg3 = 0;
+	}
+
+	DBG("sdm_cfg0=%d", sdm_cfg0);
+	DBG("sdm_cfg1=%d", sdm_cfg1);
+	DBG("sdm_cfg2=%d", sdm_cfg2);
+	DBG("sdm_cfg3=%d", sdm_cfg3);
+
+	cal_cfg11 = (u32)(gen_vco_clk / (256 * 1000000));
+	cal_cfg10 = (u32)((gen_vco_clk % (256 * 1000000)) / 1000000);
+	DBG("cal_cfg10=%d, cal_cfg11=%d", cal_cfg10, cal_cfg11);
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CHGPUMP_CFG, 0x02);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG3,    0x2b);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG4,    0x06);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2,  0x0d);
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1, sdm_cfg1);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG2,
+		      DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0(sdm_cfg2));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG3,
+		      DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8(sdm_cfg3));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG4, 0x00);
+
+	/* Add hardware recommended delay for correct PLL configuration */
+	if (pll_28nm->phy->cfg->quirks & DSI_PHY_28NM_QUIRK_PHY_LP)
+		udelay(1000);
+	else
+		udelay(1);
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_REFCLK_CFG, refclk_cfg);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_PWRGEN_CFG, 0x00);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_VCOLPF_CFG, 0x31);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0,   sdm_cfg0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG0,   0x12);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG6,   0x30);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG7,   0x00);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG8,   0x60);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG9,   0x00);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG10,  cal_cfg10 & 0xff);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_CAL_CFG11,  cal_cfg11 & 0xff);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_EFUSE_CFG,  0x20);
+
+	return 0;
+}
+
+static int dsi_pll_28nm_clk_is_enabled(struct clk_hw *hw)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+
+	return pll_28nm_poll_for_ready(pll_28nm, POLL_MAX_READS,
+					POLL_TIMEOUT_US);
+}
+
+static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw,
+		unsigned long parent_rate)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+	void __iomem *base = pll_28nm->phy->pll_base;
+	u32 sdm0, doubler, sdm_byp_div;
+	u32 sdm_dc_off, sdm_freq_seed, sdm2, sdm3;
+	u32 ref_clk = VCO_REF_CLK_RATE;
+	unsigned long vco_rate;
+
+	VERB("parent_rate=%lu", parent_rate);
+
+	/* Check to see if the ref clk doubler is enabled */
+	doubler = dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_REFCLK_CFG) &
+			DSI_28nm_PHY_PLL_REFCLK_CFG_DBLR;
+	ref_clk += (doubler * VCO_REF_CLK_RATE);
+
+	/* see if it is integer mode or sdm mode */
+	sdm0 = dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0);
+	if (sdm0 & DSI_28nm_PHY_PLL_SDM_CFG0_BYP) {
+		/* integer mode */
+		sdm_byp_div = FIELD(
+				dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG0),
+				DSI_28nm_PHY_PLL_SDM_CFG0_BYP_DIV) + 1;
+		vco_rate = ref_clk * sdm_byp_div;
+	} else {
+		/* sdm mode */
+		sdm_dc_off = FIELD(
+				dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG1),
+				DSI_28nm_PHY_PLL_SDM_CFG1_DC_OFFSET);
+		DBG("sdm_dc_off = %d", sdm_dc_off);
+		sdm2 = FIELD(dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG2),
+				DSI_28nm_PHY_PLL_SDM_CFG2_FREQ_SEED_7_0);
+		sdm3 = FIELD(dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_SDM_CFG3),
+				DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8);
+		sdm_freq_seed = (sdm3 << 8) | sdm2;
+		DBG("sdm_freq_seed = %d", sdm_freq_seed);
+
+		vco_rate = (ref_clk * (sdm_dc_off + 1)) +
+			mult_frac(ref_clk, sdm_freq_seed, BIT(16));
+		DBG("vco rate = %lu", vco_rate);
+	}
+
+	DBG("returning vco rate = %lu", vco_rate);
+
+	return vco_rate;
+}
+
+static int _dsi_pll_28nm_vco_prepare_hpm(struct dsi_pll_28nm *pll_28nm)
+{
+	struct device *dev = &pll_28nm->phy->pdev->dev;
+	void __iomem *base = pll_28nm->phy->pll_base;
+	u32 max_reads = 5, timeout_us = 100;
+	bool locked;
+	u32 val;
+	int i;
+
+	DBG("id=%d", pll_28nm->phy->id);
+
+	pll_28nm_software_reset(pll_28nm);
+
+	/*
+	 * PLL power up sequence.
+	 * Add necessary delays recommended by hardware.
+	 */
+	val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B;
+	dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 1);
+
+	val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B;
+	dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200);
+
+	val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
+	dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
+
+	val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE;
+	dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 600);
+
+	for (i = 0; i < 2; i++) {
+		/* DSI Uniphy lock detect setting */
+		dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2,
+				     0x0c, 100);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x0d);
+
+		/* poll for PLL ready status */
+		locked = pll_28nm_poll_for_ready(pll_28nm, max_reads,
+						 timeout_us);
+		if (locked)
+			break;
+
+		pll_28nm_software_reset(pll_28nm);
+
+		/*
+		 * PLL power up sequence.
+		 * Add necessary delays recommended by hardware.
+		 */
+		val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B;
+		dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 1);
+
+		val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B;
+		dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200);
+
+		val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
+		dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 250);
+
+		val &= ~DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
+		dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 200);
+
+		val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B;
+		dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
+
+		val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE;
+		dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 600);
+	}
+
+	if (unlikely(!locked))
+		DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
+	else
+		DBG("DSI PLL Lock success");
+
+	return locked ? 0 : -EINVAL;
+}
+
+static int dsi_pll_28nm_vco_prepare_hpm(struct clk_hw *hw)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+	int i, ret;
+
+	if (unlikely(pll_28nm->phy->pll_on))
+		return 0;
+
+	for (i = 0; i < 3; i++) {
+		ret = _dsi_pll_28nm_vco_prepare_hpm(pll_28nm);
+		if (!ret) {
+			pll_28nm->phy->pll_on = true;
+			return 0;
+		}
+	}
+
+	return ret;
+}
+
+static int dsi_pll_28nm_vco_prepare_lp(struct clk_hw *hw)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+	struct device *dev = &pll_28nm->phy->pdev->dev;
+	void __iomem *base = pll_28nm->phy->pll_base;
+	bool locked;
+	u32 max_reads = 10, timeout_us = 50;
+	u32 val;
+
+	DBG("id=%d", pll_28nm->phy->id);
+
+	if (unlikely(pll_28nm->phy->pll_on))
+		return 0;
+
+	pll_28nm_software_reset(pll_28nm);
+
+	/*
+	 * PLL power up sequence.
+	 * Add necessary delays recommended by hardware.
+	 */
+	dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_CAL_CFG1, 0x34, 500);
+
+	val = DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B;
+	dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
+
+	val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B;
+	dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
+
+	val |= DSI_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B |
+		DSI_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE;
+	dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_GLB_CFG, val, 500);
+
+	/* DSI PLL toggle lock detect setting */
+	dsi_phy_write_ndelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x04, 500);
+	dsi_phy_write_udelay(base + REG_DSI_28nm_PHY_PLL_LKDET_CFG2, 0x05, 512);
+
+	locked = pll_28nm_poll_for_ready(pll_28nm, max_reads, timeout_us);
+
+	if (unlikely(!locked)) {
+		DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
+		return -EINVAL;
+	}
+
+	DBG("DSI PLL lock success");
+	pll_28nm->phy->pll_on = true;
+
+	return 0;
+}
+
+static void dsi_pll_28nm_vco_unprepare(struct clk_hw *hw)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+
+	DBG("id=%d", pll_28nm->phy->id);
+
+	if (unlikely(!pll_28nm->phy->pll_on))
+		return;
+
+	dsi_phy_write(pll_28nm->phy->pll_base + REG_DSI_28nm_PHY_PLL_GLB_CFG, 0x00);
+
+	pll_28nm->phy->pll_on = false;
+}
+
+static long dsi_pll_28nm_clk_round_rate(struct clk_hw *hw,
+		unsigned long rate, unsigned long *parent_rate)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+
+	if      (rate < pll_28nm->phy->cfg->min_pll_rate)
+		return  pll_28nm->phy->cfg->min_pll_rate;
+	else if (rate > pll_28nm->phy->cfg->max_pll_rate)
+		return  pll_28nm->phy->cfg->max_pll_rate;
+	else
+		return rate;
+}
+
+static const struct clk_ops clk_ops_dsi_pll_28nm_vco_hpm = {
+	.round_rate = dsi_pll_28nm_clk_round_rate,
+	.set_rate = dsi_pll_28nm_clk_set_rate,
+	.recalc_rate = dsi_pll_28nm_clk_recalc_rate,
+	.prepare = dsi_pll_28nm_vco_prepare_hpm,
+	.unprepare = dsi_pll_28nm_vco_unprepare,
+	.is_enabled = dsi_pll_28nm_clk_is_enabled,
+};
+
+static const struct clk_ops clk_ops_dsi_pll_28nm_vco_lp = {
+	.round_rate = dsi_pll_28nm_clk_round_rate,
+	.set_rate = dsi_pll_28nm_clk_set_rate,
+	.recalc_rate = dsi_pll_28nm_clk_recalc_rate,
+	.prepare = dsi_pll_28nm_vco_prepare_lp,
+	.unprepare = dsi_pll_28nm_vco_unprepare,
+	.is_enabled = dsi_pll_28nm_clk_is_enabled,
+};
+
+/*
+ * PLL Callbacks
+ */
+
+static void dsi_28nm_pll_save_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
+	struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
+	void __iomem *base = pll_28nm->phy->pll_base;
+
+	cached_state->postdiv3 =
+			dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG);
+	cached_state->postdiv1 =
+			dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG);
+	cached_state->byte_mux = dsi_phy_read(base + REG_DSI_28nm_PHY_PLL_VREG_CFG);
+	if (dsi_pll_28nm_clk_is_enabled(phy->vco_hw))
+		cached_state->vco_rate = clk_hw_get_rate(phy->vco_hw);
+	else
+		cached_state->vco_rate = 0;
+}
+
+static int dsi_28nm_pll_restore_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
+	struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
+	void __iomem *base = pll_28nm->phy->pll_base;
+	int ret;
+
+	ret = dsi_pll_28nm_clk_set_rate(phy->vco_hw,
+					cached_state->vco_rate, 0);
+	if (ret) {
+		DRM_DEV_ERROR(&pll_28nm->phy->pdev->dev,
+			"restore vco rate failed. ret=%d\n", ret);
+		return ret;
+	}
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG,
+		      cached_state->postdiv3);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG,
+		      cached_state->postdiv1);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_PLL_VREG_CFG,
+		      cached_state->byte_mux);
+
+	return 0;
+}
+
+static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **provided_clocks)
+{
+	char clk_name[32];
+	struct clk_init_data vco_init = {
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "ref", .name = "xo",
+		},
+		.num_parents = 1,
+		.name = clk_name,
+		.flags = CLK_IGNORE_UNUSED,
+	};
+	struct device *dev = &pll_28nm->phy->pdev->dev;
+	struct clk_hw *hw, *analog_postdiv, *indirect_path_div2, *byte_mux;
+	int ret;
+
+	DBG("%d", pll_28nm->phy->id);
+
+	if (pll_28nm->phy->cfg->quirks & DSI_PHY_28NM_QUIRK_PHY_LP)
+		vco_init.ops = &clk_ops_dsi_pll_28nm_vco_lp;
+	else
+		vco_init.ops = &clk_ops_dsi_pll_28nm_vco_hpm;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dvco_clk", pll_28nm->phy->id);
+	pll_28nm->clk_hw.init = &vco_init;
+	ret = devm_clk_hw_register(dev, &pll_28nm->clk_hw);
+	if (ret)
+		return ret;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%danalog_postdiv_clk", pll_28nm->phy->id);
+	analog_postdiv = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
+			&pll_28nm->clk_hw, CLK_SET_RATE_PARENT,
+			pll_28nm->phy->pll_base +
+				REG_DSI_28nm_PHY_PLL_POSTDIV1_CFG,
+			0, 4, 0, NULL);
+	if (IS_ERR(analog_postdiv))
+		return PTR_ERR(analog_postdiv);
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dindirect_path_div2_clk", pll_28nm->phy->id);
+	indirect_path_div2 = devm_clk_hw_register_fixed_factor_parent_hw(dev,
+			clk_name, analog_postdiv, CLK_SET_RATE_PARENT, 1, 2);
+	if (IS_ERR(indirect_path_div2))
+		return PTR_ERR(indirect_path_div2);
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dpll", pll_28nm->phy->id);
+	hw = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
+			&pll_28nm->clk_hw, 0, pll_28nm->phy->pll_base +
+				REG_DSI_28nm_PHY_PLL_POSTDIV3_CFG,
+			0, 8, 0, NULL);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	provided_clocks[DSI_PIXEL_PLL_CLK] = hw;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dbyte_mux", pll_28nm->phy->id);
+	byte_mux = devm_clk_hw_register_mux_parent_hws(dev, clk_name,
+			((const struct clk_hw *[]){
+				&pll_28nm->clk_hw,
+				indirect_path_div2,
+			}), 2, CLK_SET_RATE_PARENT, pll_28nm->phy->pll_base +
+				REG_DSI_28nm_PHY_PLL_VREG_CFG, 1, 1, 0, NULL);
+	if (IS_ERR(byte_mux))
+		return PTR_ERR(byte_mux);
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dpllbyte", pll_28nm->phy->id);
+	hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, clk_name,
+			byte_mux, CLK_SET_RATE_PARENT, 1, 4);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	provided_clocks[DSI_BYTE_PLL_CLK] = hw;
+
+	return 0;
+}
+
+static int dsi_pll_28nm_init(struct msm_dsi_phy *phy)
+{
+	struct platform_device *pdev = phy->pdev;
+	struct dsi_pll_28nm *pll_28nm;
+	int ret;
+
+	if (!pdev)
+		return -ENODEV;
+
+	pll_28nm = devm_kzalloc(&pdev->dev, sizeof(*pll_28nm), GFP_KERNEL);
+	if (!pll_28nm)
+		return -ENOMEM;
+
+	pll_28nm->phy = phy;
+
+	ret = pll_28nm_register(pll_28nm, phy->provided_clocks->hws);
+	if (ret) {
+		DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret);
+		return ret;
+	}
+
+	phy->vco_hw = &pll_28nm->clk_hw;
+
+	return 0;
+}
+
+static void dsi_28nm_dphy_set_timing(struct msm_dsi_phy *phy,
+		struct msm_dsi_dphy_timing *timing)
+{
+	void __iomem *base = phy->base;
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_0,
+		      DSI_28nm_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_1,
+		      DSI_28nm_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_2,
+		      DSI_28nm_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare));
+	if (timing->clk_zero & BIT(8))
+		dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_3,
+			      DSI_28nm_PHY_TIMING_CTRL_3_CLK_ZERO_8);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_4,
+		      DSI_28nm_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_5,
+		      DSI_28nm_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_6,
+		      DSI_28nm_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_7,
+		      DSI_28nm_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_8,
+		      DSI_28nm_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_9,
+		      DSI_28nm_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) |
+		      DSI_28nm_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_10,
+		      DSI_28nm_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get));
+	dsi_phy_write(base + REG_DSI_28nm_PHY_TIMING_CTRL_11,
+		      DSI_28nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0));
+}
+
+static void dsi_28nm_phy_regulator_enable_dcdc(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->reg_base;
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 1);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x3);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x9);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x7);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
+	dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x00);
+}
+
+static void dsi_28nm_phy_regulator_enable_ldo(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->reg_base;
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_0, 0x0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_5, 0x7);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_3, 0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_2, 0x1);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_1, 0x1);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_REGULATOR_CTRL_4, 0x20);
+
+	if (phy->cfg->quirks & DSI_PHY_28NM_QUIRK_PHY_LP)
+		dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x05);
+	else
+		dsi_phy_write(phy->base + REG_DSI_28nm_PHY_LDO_CNTRL, 0x0d);
+}
+
+static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
+{
+	if (!enable) {
+		dsi_phy_write(phy->reg_base +
+			      REG_DSI_28nm_PHY_REGULATOR_CAL_PWR_CFG, 0);
+		return;
+	}
+
+	if (phy->regulator_ldo_mode)
+		dsi_28nm_phy_regulator_enable_ldo(phy);
+	else
+		dsi_28nm_phy_regulator_enable_dcdc(phy);
+}
+
+static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy,
+				struct msm_dsi_phy_clk_request *clk_req)
+{
+	struct msm_dsi_dphy_timing *timing = &phy->timing;
+	int i;
+	void __iomem *base = phy->base;
+	u32 val;
+
+	DBG("");
+
+	if (msm_dsi_dphy_timing_calc(timing, clk_req)) {
+		DRM_DEV_ERROR(&phy->pdev->dev,
+			      "%s: D-PHY timing calculation failed\n",
+			      __func__);
+		return -EINVAL;
+	}
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_STRENGTH_0, 0xff);
+
+	dsi_28nm_phy_regulator_ctrl(phy, true);
+
+	dsi_28nm_dphy_set_timing(phy, timing);
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_1, 0x00);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f);
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_STRENGTH_1, 0x6);
+
+	for (i = 0; i < 4; i++) {
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_0(i), 0);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_1(i), 0);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_2(i), 0);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_3(i), 0);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(i), 0);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_DATAPATH(i), 0);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_DEBUG_SEL(i), 0);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_0(i), 0x1);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_1(i), 0x97);
+	}
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_4, 0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_1, 0xc0);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR0, 0x1);
+	dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR1, 0xbb);
+
+	dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f);
+
+	val = dsi_phy_read(base + REG_DSI_28nm_PHY_GLBL_TEST_CTRL);
+	if (phy->id == DSI_1 && phy->usecase == MSM_DSI_PHY_SLAVE)
+		val &= ~DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
+	else
+		val |= DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
+	dsi_phy_write(base + REG_DSI_28nm_PHY_GLBL_TEST_CTRL, val);
+
+	return 0;
+}
+
+static void dsi_28nm_phy_disable(struct msm_dsi_phy *phy)
+{
+	dsi_phy_write(phy->base + REG_DSI_28nm_PHY_CTRL_0, 0);
+	dsi_28nm_phy_regulator_ctrl(phy, false);
+
+	/*
+	 * Wait for the registers writes to complete in order to
+	 * ensure that the phy is completely disabled
+	 */
+	wmb();
+}
+
+static const struct regulator_bulk_data dsi_phy_28nm_regulators[] = {
+	{ .supply = "vddio", .init_load_uA = 100000 },
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
+	.has_phy_regulator = true,
+	.regulator_data = dsi_phy_28nm_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_28nm_regulators),
+	.ops = {
+		.enable = dsi_28nm_phy_enable,
+		.disable = dsi_28nm_phy_disable,
+		.pll_init = dsi_pll_28nm_init,
+		.save_pll_state = dsi_28nm_pll_save_state,
+		.restore_pll_state = dsi_28nm_pll_restore_state,
+	},
+	.min_pll_rate = VCO_MIN_RATE,
+	.max_pll_rate = VCO_MAX_RATE,
+	.io_start = { 0xfd922b00, 0xfd923100 },
+	.num_dsi_phy = 2,
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = {
+	.has_phy_regulator = true,
+	.regulator_data = dsi_phy_28nm_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_28nm_regulators),
+	.ops = {
+		.enable = dsi_28nm_phy_enable,
+		.disable = dsi_28nm_phy_disable,
+		.pll_init = dsi_pll_28nm_init,
+		.save_pll_state = dsi_28nm_pll_save_state,
+		.restore_pll_state = dsi_28nm_pll_restore_state,
+	},
+	.min_pll_rate = VCO_MIN_RATE,
+	.max_pll_rate = VCO_MAX_RATE,
+	.io_start = { 0x1a94400, 0x1a96400 },
+	.num_dsi_phy = 2,
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
+	.has_phy_regulator = true,
+	.regulator_data = dsi_phy_28nm_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_28nm_regulators),
+	.ops = {
+		.enable = dsi_28nm_phy_enable,
+		.disable = dsi_28nm_phy_disable,
+		.pll_init = dsi_pll_28nm_init,
+		.save_pll_state = dsi_28nm_pll_save_state,
+		.restore_pll_state = dsi_28nm_pll_restore_state,
+	},
+	.min_pll_rate = VCO_MIN_RATE,
+	.max_pll_rate = VCO_MAX_RATE,
+	.io_start = { 0x1a98500 },
+	.num_dsi_phy = 1,
+	.quirks = DSI_PHY_28NM_QUIRK_PHY_LP,
+};
+
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
new file mode 100644
index 000000000..26c08047e
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
@@ -0,0 +1,660 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+
+#include "dsi_phy.h"
+#include "dsi.xml.h"
+#include "dsi_phy_28nm_8960.xml.h"
+
+/*
+ * DSI PLL 28nm (8960/A family) - clock diagram (eg: DSI1):
+ *
+ *
+ *                        +------+
+ *  dsi1vco_clk ----o-----| DIV1 |---dsi1pllbit (not exposed as clock)
+ *  F * byte_clk    |     +------+
+ *                  | bit clock divider (F / 8)
+ *                  |
+ *                  |     +------+
+ *                  o-----| DIV2 |---dsi0pllbyte---o---> To byte RCG
+ *                  |     +------+                 | (sets parent rate)
+ *                  | byte clock divider (F)       |
+ *                  |                              |
+ *                  |                              o---> To esc RCG
+ *                  |                                (doesn't set parent rate)
+ *                  |
+ *                  |     +------+
+ *                  o-----| DIV3 |----dsi0pll------o---> To dsi RCG
+ *                        +------+                 | (sets parent rate)
+ *                  dsi clock divider (F * magic)  |
+ *                                                 |
+ *                                                 o---> To pixel rcg
+ *                                                  (doesn't set parent rate)
+ */
+
+#define POLL_MAX_READS		8000
+#define POLL_TIMEOUT_US		1
+
+#define VCO_REF_CLK_RATE	27000000
+#define VCO_MIN_RATE		600000000
+#define VCO_MAX_RATE		1200000000
+
+#define VCO_PREF_DIV_RATIO	27
+
+struct pll_28nm_cached_state {
+	unsigned long vco_rate;
+	u8 postdiv3;
+	u8 postdiv2;
+	u8 postdiv1;
+};
+
+struct clk_bytediv {
+	struct clk_hw hw;
+	void __iomem *reg;
+};
+
+struct dsi_pll_28nm {
+	struct clk_hw clk_hw;
+
+	struct msm_dsi_phy *phy;
+
+	struct pll_28nm_cached_state cached_state;
+};
+
+#define to_pll_28nm(x)	container_of(x, struct dsi_pll_28nm, clk_hw)
+
+static bool pll_28nm_poll_for_ready(struct dsi_pll_28nm *pll_28nm,
+				    int nb_tries, int timeout_us)
+{
+	bool pll_locked = false;
+	u32 val;
+
+	while (nb_tries--) {
+		val = dsi_phy_read(pll_28nm->phy->pll_base + REG_DSI_28nm_8960_PHY_PLL_RDY);
+		pll_locked = !!(val & DSI_28nm_8960_PHY_PLL_RDY_PLL_RDY);
+
+		if (pll_locked)
+			break;
+
+		udelay(timeout_us);
+	}
+	DBG("DSI PLL is %slocked", pll_locked ? "" : "*not* ");
+
+	return pll_locked;
+}
+
+/*
+ * Clock Callbacks
+ */
+static int dsi_pll_28nm_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+				     unsigned long parent_rate)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+	void __iomem *base = pll_28nm->phy->pll_base;
+	u32 val, temp, fb_divider;
+
+	DBG("rate=%lu, parent's=%lu", rate, parent_rate);
+
+	temp = rate / 10;
+	val = VCO_REF_CLK_RATE / 10;
+	fb_divider = (temp * VCO_PREF_DIV_RATIO) / val;
+	fb_divider = fb_divider / 2 - 1;
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_1,
+		      fb_divider & 0xff);
+
+	val = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_2);
+
+	val |= (fb_divider >> 8) & 0x07;
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_2,
+		      val);
+
+	val = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_3);
+
+	val |= (VCO_PREF_DIV_RATIO - 1) & 0x3f;
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_3,
+		      val);
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_6,
+		      0xf);
+
+	val = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8);
+	val |= 0x7 << 4;
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8,
+		      val);
+
+	return 0;
+}
+
+static int dsi_pll_28nm_clk_is_enabled(struct clk_hw *hw)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+
+	return pll_28nm_poll_for_ready(pll_28nm, POLL_MAX_READS,
+					POLL_TIMEOUT_US);
+}
+
+static unsigned long dsi_pll_28nm_clk_recalc_rate(struct clk_hw *hw,
+						  unsigned long parent_rate)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+	void __iomem *base = pll_28nm->phy->pll_base;
+	unsigned long vco_rate;
+	u32 status, fb_divider, temp, ref_divider;
+
+	VERB("parent_rate=%lu", parent_rate);
+
+	status = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_0);
+
+	if (status & DSI_28nm_8960_PHY_PLL_CTRL_0_ENABLE) {
+		fb_divider = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_1);
+		fb_divider &= 0xff;
+		temp = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_2) & 0x07;
+		fb_divider = (temp << 8) | fb_divider;
+		fb_divider += 1;
+
+		ref_divider = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_3);
+		ref_divider &= 0x3f;
+		ref_divider += 1;
+
+		/* multiply by 2 */
+		vco_rate = (parent_rate / ref_divider) * fb_divider * 2;
+	} else {
+		vco_rate = 0;
+	}
+
+	DBG("returning vco rate = %lu", vco_rate);
+
+	return vco_rate;
+}
+
+static int dsi_pll_28nm_vco_prepare(struct clk_hw *hw)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+	struct device *dev = &pll_28nm->phy->pdev->dev;
+	void __iomem *base = pll_28nm->phy->pll_base;
+	bool locked;
+	unsigned int bit_div, byte_div;
+	int max_reads = 1000, timeout_us = 100;
+	u32 val;
+
+	DBG("id=%d", pll_28nm->phy->id);
+
+	if (unlikely(pll_28nm->phy->pll_on))
+		return 0;
+
+	/*
+	 * before enabling the PLL, configure the bit clock divider since we
+	 * don't expose it as a clock to the outside world
+	 * 1: read back the byte clock divider that should already be set
+	 * 2: divide by 8 to get bit clock divider
+	 * 3: write it to POSTDIV1
+	 */
+	val = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9);
+	byte_div = val + 1;
+	bit_div = byte_div / 8;
+
+	val = dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8);
+	val &= ~0xf;
+	val |= (bit_div - 1);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8, val);
+
+	/* enable the PLL */
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_0,
+		      DSI_28nm_8960_PHY_PLL_CTRL_0_ENABLE);
+
+	locked = pll_28nm_poll_for_ready(pll_28nm, max_reads, timeout_us);
+
+	if (unlikely(!locked)) {
+		DRM_DEV_ERROR(dev, "DSI PLL lock failed\n");
+		return -EINVAL;
+	}
+
+	DBG("DSI PLL lock success");
+	pll_28nm->phy->pll_on = true;
+
+	return 0;
+}
+
+static void dsi_pll_28nm_vco_unprepare(struct clk_hw *hw)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+
+	DBG("id=%d", pll_28nm->phy->id);
+
+	if (unlikely(!pll_28nm->phy->pll_on))
+		return;
+
+	dsi_phy_write(pll_28nm->phy->pll_base + REG_DSI_28nm_8960_PHY_PLL_CTRL_0, 0x00);
+
+	pll_28nm->phy->pll_on = false;
+}
+
+static long dsi_pll_28nm_clk_round_rate(struct clk_hw *hw,
+		unsigned long rate, unsigned long *parent_rate)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(hw);
+
+	if      (rate < pll_28nm->phy->cfg->min_pll_rate)
+		return  pll_28nm->phy->cfg->min_pll_rate;
+	else if (rate > pll_28nm->phy->cfg->max_pll_rate)
+		return  pll_28nm->phy->cfg->max_pll_rate;
+	else
+		return rate;
+}
+
+static const struct clk_ops clk_ops_dsi_pll_28nm_vco = {
+	.round_rate = dsi_pll_28nm_clk_round_rate,
+	.set_rate = dsi_pll_28nm_clk_set_rate,
+	.recalc_rate = dsi_pll_28nm_clk_recalc_rate,
+	.prepare = dsi_pll_28nm_vco_prepare,
+	.unprepare = dsi_pll_28nm_vco_unprepare,
+	.is_enabled = dsi_pll_28nm_clk_is_enabled,
+};
+
+/*
+ * Custom byte clock divier clk_ops
+ *
+ * This clock is the entry point to configuring the PLL. The user (dsi host)
+ * will set this clock's rate to the desired byte clock rate. The VCO lock
+ * frequency is a multiple of the byte clock rate. The multiplication factor
+ * (shown as F in the diagram above) is a function of the byte clock rate.
+ *
+ * This custom divider clock ensures that its parent (VCO) is set to the
+ * desired rate, and that the byte clock postdivider (POSTDIV2) is configured
+ * accordingly
+ */
+#define to_clk_bytediv(_hw) container_of(_hw, struct clk_bytediv, hw)
+
+static unsigned long clk_bytediv_recalc_rate(struct clk_hw *hw,
+		unsigned long parent_rate)
+{
+	struct clk_bytediv *bytediv = to_clk_bytediv(hw);
+	unsigned int div;
+
+	div = dsi_phy_read(bytediv->reg) & 0xff;
+
+	return parent_rate / (div + 1);
+}
+
+/* find multiplication factor(wrt byte clock) at which the VCO should be set */
+static unsigned int get_vco_mul_factor(unsigned long byte_clk_rate)
+{
+	unsigned long bit_mhz;
+
+	/* convert to bit clock in Mhz */
+	bit_mhz = (byte_clk_rate * 8) / 1000000;
+
+	if (bit_mhz < 125)
+		return 64;
+	else if (bit_mhz < 250)
+		return 32;
+	else if (bit_mhz < 600)
+		return 16;
+	else
+		return 8;
+}
+
+static long clk_bytediv_round_rate(struct clk_hw *hw, unsigned long rate,
+				   unsigned long *prate)
+{
+	unsigned long best_parent;
+	unsigned int factor;
+
+	factor = get_vco_mul_factor(rate);
+
+	best_parent = rate * factor;
+	*prate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent);
+
+	return *prate / factor;
+}
+
+static int clk_bytediv_set_rate(struct clk_hw *hw, unsigned long rate,
+				unsigned long parent_rate)
+{
+	struct clk_bytediv *bytediv = to_clk_bytediv(hw);
+	u32 val;
+	unsigned int factor;
+
+	factor = get_vco_mul_factor(rate);
+
+	val = dsi_phy_read(bytediv->reg);
+	val |= (factor - 1) & 0xff;
+	dsi_phy_write(bytediv->reg, val);
+
+	return 0;
+}
+
+/* Our special byte clock divider ops */
+static const struct clk_ops clk_bytediv_ops = {
+	.round_rate = clk_bytediv_round_rate,
+	.set_rate = clk_bytediv_set_rate,
+	.recalc_rate = clk_bytediv_recalc_rate,
+};
+
+/*
+ * PLL Callbacks
+ */
+static void dsi_28nm_pll_save_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
+	struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
+	void __iomem *base = pll_28nm->phy->pll_base;
+
+	cached_state->postdiv3 =
+			dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_10);
+	cached_state->postdiv2 =
+			dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9);
+	cached_state->postdiv1 =
+			dsi_phy_read(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8);
+
+	cached_state->vco_rate = clk_hw_get_rate(phy->vco_hw);
+}
+
+static int dsi_28nm_pll_restore_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_28nm *pll_28nm = to_pll_28nm(phy->vco_hw);
+	struct pll_28nm_cached_state *cached_state = &pll_28nm->cached_state;
+	void __iomem *base = pll_28nm->phy->pll_base;
+	int ret;
+
+	ret = dsi_pll_28nm_clk_set_rate(phy->vco_hw,
+					cached_state->vco_rate, 0);
+	if (ret) {
+		DRM_DEV_ERROR(&pll_28nm->phy->pdev->dev,
+			      "restore vco rate failed. ret=%d\n", ret);
+		return ret;
+	}
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_10,
+		      cached_state->postdiv3);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9,
+		      cached_state->postdiv2);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_PLL_CTRL_8,
+		      cached_state->postdiv1);
+
+	return 0;
+}
+
+static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **provided_clocks)
+{
+	char clk_name[32];
+	struct clk_init_data vco_init = {
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "ref",
+		},
+		.num_parents = 1,
+		.flags = CLK_IGNORE_UNUSED,
+		.ops = &clk_ops_dsi_pll_28nm_vco,
+	};
+	struct device *dev = &pll_28nm->phy->pdev->dev;
+	struct clk_hw *hw;
+	struct clk_bytediv *bytediv;
+	struct clk_init_data bytediv_init = { };
+	int ret;
+
+	DBG("%d", pll_28nm->phy->id);
+
+	bytediv = devm_kzalloc(dev, sizeof(*bytediv), GFP_KERNEL);
+	if (!bytediv)
+		return -ENOMEM;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dvco_clk", pll_28nm->phy->id);
+	vco_init.name = clk_name;
+
+	pll_28nm->clk_hw.init = &vco_init;
+
+	ret = devm_clk_hw_register(dev, &pll_28nm->clk_hw);
+	if (ret)
+		return ret;
+
+	/* prepare and register bytediv */
+	bytediv->hw.init = &bytediv_init;
+	bytediv->reg = pll_28nm->phy->pll_base + REG_DSI_28nm_8960_PHY_PLL_CTRL_9;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dpllbyte", pll_28nm->phy->id + 1);
+
+	bytediv_init.name = clk_name;
+	bytediv_init.ops = &clk_bytediv_ops;
+	bytediv_init.flags = CLK_SET_RATE_PARENT;
+	bytediv_init.parent_hws = (const struct clk_hw*[]){
+		&pll_28nm->clk_hw,
+	};
+	bytediv_init.num_parents = 1;
+
+	/* DIV2 */
+	ret = devm_clk_hw_register(dev, &bytediv->hw);
+	if (ret)
+		return ret;
+	provided_clocks[DSI_BYTE_PLL_CLK] = &bytediv->hw;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dpll", pll_28nm->phy->id + 1);
+	/* DIV3 */
+	hw = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
+			&pll_28nm->clk_hw, 0, pll_28nm->phy->pll_base +
+				REG_DSI_28nm_8960_PHY_PLL_CTRL_10,
+			0, 8, 0, NULL);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
+	provided_clocks[DSI_PIXEL_PLL_CLK] = hw;
+
+	return 0;
+}
+
+static int dsi_pll_28nm_8960_init(struct msm_dsi_phy *phy)
+{
+	struct platform_device *pdev = phy->pdev;
+	struct dsi_pll_28nm *pll_28nm;
+	int ret;
+
+	if (!pdev)
+		return -ENODEV;
+
+	pll_28nm = devm_kzalloc(&pdev->dev, sizeof(*pll_28nm), GFP_KERNEL);
+	if (!pll_28nm)
+		return -ENOMEM;
+
+	pll_28nm->phy = phy;
+
+	ret = pll_28nm_register(pll_28nm, phy->provided_clocks->hws);
+	if (ret) {
+		DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret);
+		return ret;
+	}
+
+	phy->vco_hw = &pll_28nm->clk_hw;
+
+	return 0;
+}
+
+static void dsi_28nm_dphy_set_timing(struct msm_dsi_phy *phy,
+		struct msm_dsi_dphy_timing *timing)
+{
+	void __iomem *base = phy->base;
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_0,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_1,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_2,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_3, 0x0);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_4,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_5,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_6,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_7,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_8,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_9,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) |
+		      DSI_28nm_8960_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_10,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get));
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_TIMING_CTRL_11,
+		      DSI_28nm_8960_PHY_TIMING_CTRL_11_TRIG3_CMD(0));
+}
+
+static void dsi_28nm_phy_regulator_init(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->reg_base;
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_0, 0x3);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_1, 1);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_2, 1);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_3, 0);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_4,
+		      0x100);
+}
+
+static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->reg_base;
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_0, 0x3);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_1, 0xa);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_2, 0x4);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_3, 0x0);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CTRL_4, 0x20);
+}
+
+static void dsi_28nm_phy_calibration(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->reg_base;
+	u32 status;
+	int i = 5000;
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_REGULATOR_CAL_PWR_CFG,
+		      0x3);
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_SW_CFG_2, 0x0);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_1, 0x5a);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_3, 0x10);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_4, 0x1);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_CFG_0, 0x1);
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_TRIGGER, 0x1);
+	usleep_range(5000, 6000);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_MISC_CAL_HW_TRIGGER, 0x0);
+
+	do {
+		status = dsi_phy_read(base +
+				REG_DSI_28nm_8960_PHY_MISC_CAL_STATUS);
+
+		if (!(status & DSI_28nm_8960_PHY_MISC_CAL_STATUS_CAL_BUSY))
+			break;
+
+		udelay(1);
+	} while (--i > 0);
+}
+
+static void dsi_28nm_phy_lane_config(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->base;
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_CFG_0(i), 0x80);
+		dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_CFG_1(i), 0x45);
+		dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_CFG_2(i), 0x00);
+		dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_TEST_DATAPATH(i),
+			      0x00);
+		dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_TEST_STR_0(i),
+			      0x01);
+		dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LN_TEST_STR_1(i),
+			      0x66);
+	}
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_CFG_0, 0x40);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_CFG_1, 0x67);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_CFG_2, 0x0);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_TEST_DATAPATH, 0x0);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_TEST_STR0, 0x1);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_TEST_STR1, 0x88);
+}
+
+static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy,
+				struct msm_dsi_phy_clk_request *clk_req)
+{
+	struct msm_dsi_dphy_timing *timing = &phy->timing;
+	void __iomem *base = phy->base;
+
+	DBG("");
+
+	if (msm_dsi_dphy_timing_calc(timing, clk_req)) {
+		DRM_DEV_ERROR(&phy->pdev->dev,
+			      "%s: D-PHY timing calculation failed\n",
+			      __func__);
+		return -EINVAL;
+	}
+
+	dsi_28nm_phy_regulator_init(phy);
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LDO_CTRL, 0x04);
+
+	/* strength control */
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_STRENGTH_0, 0xff);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_STRENGTH_1, 0x00);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_STRENGTH_2, 0x06);
+
+	/* phy ctrl */
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_CTRL_0, 0x5f);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_CTRL_1, 0x00);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_CTRL_2, 0x00);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_CTRL_3, 0x10);
+
+	dsi_28nm_phy_regulator_ctrl(phy);
+
+	dsi_28nm_phy_calibration(phy);
+
+	dsi_28nm_phy_lane_config(phy);
+
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_BIST_CTRL_4, 0x0f);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_BIST_CTRL_1, 0x03);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_BIST_CTRL_0, 0x03);
+	dsi_phy_write(base + REG_DSI_28nm_8960_PHY_BIST_CTRL_4, 0x0);
+
+	dsi_28nm_dphy_set_timing(phy, timing);
+
+	return 0;
+}
+
+static void dsi_28nm_phy_disable(struct msm_dsi_phy *phy)
+{
+	dsi_phy_write(phy->base + REG_DSI_28nm_8960_PHY_CTRL_0, 0x0);
+
+	/*
+	 * Wait for the registers writes to complete in order to
+	 * ensure that the phy is completely disabled
+	 */
+	wmb();
+}
+
+static const struct regulator_bulk_data dsi_phy_28nm_8960_regulators[] = {
+	{ .supply = "vddio", .init_load_uA = 100000 },	/* 1.8 V */
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs = {
+	.has_phy_regulator = true,
+	.regulator_data = dsi_phy_28nm_8960_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_28nm_8960_regulators),
+	.ops = {
+		.enable = dsi_28nm_phy_enable,
+		.disable = dsi_28nm_phy_disable,
+		.pll_init = dsi_pll_28nm_8960_init,
+		.save_pll_state = dsi_28nm_pll_save_state,
+		.restore_pll_state = dsi_28nm_pll_restore_state,
+	},
+	.min_pll_rate = VCO_MIN_RATE,
+	.max_pll_rate = VCO_MAX_RATE,
+	.io_start = { 0x4700300, 0x5800300 },
+	.num_dsi_phy = 2,
+};
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
new file mode 100644
index 000000000..9e7fa7d88
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -0,0 +1,1104 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0
+ * Copyright (c) 2018, The Linux Foundation
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/iopoll.h>
+
+#include "dsi_phy.h"
+#include "dsi.xml.h"
+#include "dsi_phy_7nm.xml.h"
+
+/*
+ * DSI PLL 7nm - clock diagram (eg: DSI0): TODO: updated CPHY diagram
+ *
+ *           dsi0_pll_out_div_clk  dsi0_pll_bit_clk
+ *                              |                |
+ *                              |                |
+ *                 +---------+  |  +----------+  |  +----+
+ *  dsi0vco_clk ---| out_div |--o--| divl_3_0 |--o--| /8 |-- dsi0_phy_pll_out_byteclk
+ *                 +---------+  |  +----------+  |  +----+
+ *                              |                |
+ *                              |                |         dsi0_pll_by_2_bit_clk
+ *                              |                |          |
+ *                              |                |  +----+  |  |\  dsi0_pclk_mux
+ *                              |                |--| /2 |--o--| \   |
+ *                              |                |  +----+     |  \  |  +---------+
+ *                              |                --------------|  |--o--| div_7_4 |-- dsi0_phy_pll_out_dsiclk
+ *                              |------------------------------|  /     +---------+
+ *                              |          +-----+             | /
+ *                              -----------| /4? |--o----------|/
+ *                                         +-----+  |           |
+ *                                                  |           |dsiclk_sel
+ *                                                  |
+ *                                                  dsi0_pll_post_out_div_clk
+ */
+
+#define VCO_REF_CLK_RATE		19200000
+#define FRAC_BITS 18
+
+/* Hardware is V4.1 */
+#define DSI_PHY_7NM_QUIRK_V4_1		BIT(0)
+
+struct dsi_pll_config {
+	bool enable_ssc;
+	bool ssc_center;
+	u32 ssc_freq;
+	u32 ssc_offset;
+	u32 ssc_adj_per;
+
+	/* out */
+	u32 decimal_div_start;
+	u32 frac_div_start;
+	u32 pll_clock_inverters;
+	u32 ssc_stepsize;
+	u32 ssc_div_per;
+};
+
+struct pll_7nm_cached_state {
+	unsigned long vco_rate;
+	u8 bit_clk_div;
+	u8 pix_clk_div;
+	u8 pll_out_div;
+	u8 pll_mux;
+};
+
+struct dsi_pll_7nm {
+	struct clk_hw clk_hw;
+
+	struct msm_dsi_phy *phy;
+
+	u64 vco_current_rate;
+
+	/* protects REG_DSI_7nm_PHY_CMN_CLK_CFG0 register */
+	spinlock_t postdiv_lock;
+
+	struct pll_7nm_cached_state cached_state;
+
+	struct dsi_pll_7nm *slave;
+};
+
+#define to_pll_7nm(x)	container_of(x, struct dsi_pll_7nm, clk_hw)
+
+/*
+ * Global list of private DSI PLL struct pointers. We need this for bonded DSI
+ * mode, where the master PLL's clk_ops needs access the slave's private data
+ */
+static struct dsi_pll_7nm *pll_7nm_list[DSI_MAX];
+
+static void dsi_pll_setup_config(struct dsi_pll_config *config)
+{
+	config->ssc_freq = 31500;
+	config->ssc_offset = 4800;
+	config->ssc_adj_per = 2;
+
+	/* TODO: ssc enable */
+	config->enable_ssc = false;
+	config->ssc_center = 0;
+}
+
+static void dsi_pll_calc_dec_frac(struct dsi_pll_7nm *pll, struct dsi_pll_config *config)
+{
+	u64 fref = VCO_REF_CLK_RATE;
+	u64 pll_freq;
+	u64 divider;
+	u64 dec, dec_multiple;
+	u32 frac;
+	u64 multiplier;
+
+	pll_freq = pll->vco_current_rate;
+
+	divider = fref * 2;
+
+	multiplier = 1 << FRAC_BITS;
+	dec_multiple = div_u64(pll_freq * multiplier, divider);
+	dec = div_u64_rem(dec_multiple, multiplier, &frac);
+
+	if (!(pll->phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1))
+		config->pll_clock_inverters = 0x28;
+	else if (pll_freq <= 1000000000ULL)
+		config->pll_clock_inverters = 0xa0;
+	else if (pll_freq <= 2500000000ULL)
+		config->pll_clock_inverters = 0x20;
+	else if (pll_freq <= 3020000000ULL)
+		config->pll_clock_inverters = 0x00;
+	else
+		config->pll_clock_inverters = 0x40;
+
+	config->decimal_div_start = dec;
+	config->frac_div_start = frac;
+}
+
+#define SSC_CENTER		BIT(0)
+#define SSC_EN			BIT(1)
+
+static void dsi_pll_calc_ssc(struct dsi_pll_7nm *pll, struct dsi_pll_config *config)
+{
+	u32 ssc_per;
+	u32 ssc_mod;
+	u64 ssc_step_size;
+	u64 frac;
+
+	if (!config->enable_ssc) {
+		DBG("SSC not enabled\n");
+		return;
+	}
+
+	ssc_per = DIV_ROUND_CLOSEST(VCO_REF_CLK_RATE, config->ssc_freq) / 2 - 1;
+	ssc_mod = (ssc_per + 1) % (config->ssc_adj_per + 1);
+	ssc_per -= ssc_mod;
+
+	frac = config->frac_div_start;
+	ssc_step_size = config->decimal_div_start;
+	ssc_step_size *= (1 << FRAC_BITS);
+	ssc_step_size += frac;
+	ssc_step_size *= config->ssc_offset;
+	ssc_step_size *= (config->ssc_adj_per + 1);
+	ssc_step_size = div_u64(ssc_step_size, (ssc_per + 1));
+	ssc_step_size = DIV_ROUND_CLOSEST_ULL(ssc_step_size, 1000000);
+
+	config->ssc_div_per = ssc_per;
+	config->ssc_stepsize = ssc_step_size;
+
+	pr_debug("SCC: Dec:%d, frac:%llu, frac_bits:%d\n",
+		 config->decimal_div_start, frac, FRAC_BITS);
+	pr_debug("SSC: div_per:0x%X, stepsize:0x%X, adjper:0x%X\n",
+		 ssc_per, (u32)ssc_step_size, config->ssc_adj_per);
+}
+
+static void dsi_pll_ssc_commit(struct dsi_pll_7nm *pll, struct dsi_pll_config *config)
+{
+	void __iomem *base = pll->phy->pll_base;
+
+	if (config->enable_ssc) {
+		pr_debug("SSC is enabled\n");
+
+		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_LOW_1,
+			      config->ssc_stepsize & 0xff);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_SSC_STEPSIZE_HIGH_1,
+			      config->ssc_stepsize >> 8);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_LOW_1,
+			      config->ssc_div_per & 0xff);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_SSC_DIV_PER_HIGH_1,
+			      config->ssc_div_per >> 8);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_SSC_ADJPER_LOW_1,
+			      config->ssc_adj_per & 0xff);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_SSC_ADJPER_HIGH_1,
+			      config->ssc_adj_per >> 8);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_SSC_CONTROL,
+			      SSC_EN | (config->ssc_center ? SSC_CENTER : 0));
+	}
+}
+
+static void dsi_pll_config_hzindep_reg(struct dsi_pll_7nm *pll)
+{
+	void __iomem *base = pll->phy->pll_base;
+	u8 analog_controls_five_1 = 0x01, vco_config_1 = 0x00;
+
+	if (pll->phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1) {
+		if (pll->vco_current_rate >= 3100000000ULL)
+			analog_controls_five_1 = 0x03;
+
+		if (pll->vco_current_rate < 1520000000ULL)
+			vco_config_1 = 0x08;
+		else if (pll->vco_current_rate < 2990000000ULL)
+			vco_config_1 = 0x01;
+	}
+
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_FIVE_1,
+		      analog_controls_five_1);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_VCO_CONFIG_1, vco_config_1);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_FIVE, 0x01);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_TWO, 0x03);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_ANALOG_CONTROLS_THREE, 0x00);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_DSM_DIVIDER, 0x00);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_FEEDBACK_DIVIDER, 0x4e);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CALIBRATION_SETTINGS, 0x40);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_BAND_SEL_CAL_SETTINGS_THREE, 0xba);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_FREQ_DETECT_SETTINGS_ONE, 0x0c);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_OUTDIV, 0x00);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CORE_OVERRIDE, 0x00);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_DIGITAL_TIMERS_TWO, 0x08);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_PROP_GAIN_RATE_1, 0x0a);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_BAND_SEL_RATE_1, 0xc0);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x84);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_INT_GAIN_IFILT_BAND_1, 0x82);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_FL_INT_GAIN_PFILT_BAND_1, 0x4c);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_LOCK_OVERRIDE, 0x80);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PFILT, 0x29);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PFILT, 0x2f);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_IFILT, 0x2a);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_IFILT,
+		  pll->phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1 ? 0x3f : 0x22);
+
+	if (pll->phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1) {
+		dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PERF_OPTIMIZE, 0x22);
+		if (pll->slave)
+			dsi_phy_write(pll->slave->phy->pll_base + REG_DSI_7nm_PHY_PLL_PERF_OPTIMIZE, 0x22);
+	}
+}
+
+static void dsi_pll_commit(struct dsi_pll_7nm *pll, struct dsi_pll_config *config)
+{
+	void __iomem *base = pll->phy->pll_base;
+
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CORE_INPUT_OVERRIDE, 0x12);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_DECIMAL_DIV_START_1,
+		      config->decimal_div_start);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_LOW_1,
+		      config->frac_div_start & 0xff);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_MID_1,
+		      (config->frac_div_start & 0xff00) >> 8);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_HIGH_1,
+		      (config->frac_div_start & 0x30000) >> 16);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_LOCKDET_RATE_1, 0x40);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_PLL_LOCK_DELAY, 0x06);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CMODE_1,
+		      pll->phy->cphy_mode ? 0x00 : 0x10);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_PLL_CLOCK_INVERTERS,
+		      config->pll_clock_inverters);
+}
+
+static int dsi_pll_7nm_vco_set_rate(struct clk_hw *hw, unsigned long rate,
+				     unsigned long parent_rate)
+{
+	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(hw);
+	struct dsi_pll_config config;
+
+	DBG("DSI PLL%d rate=%lu, parent's=%lu", pll_7nm->phy->id, rate,
+	    parent_rate);
+
+	pll_7nm->vco_current_rate = rate;
+
+	dsi_pll_setup_config(&config);
+
+	dsi_pll_calc_dec_frac(pll_7nm, &config);
+
+	dsi_pll_calc_ssc(pll_7nm, &config);
+
+	dsi_pll_commit(pll_7nm, &config);
+
+	dsi_pll_config_hzindep_reg(pll_7nm);
+
+	dsi_pll_ssc_commit(pll_7nm, &config);
+
+	/* flush, ensure all register writes are done*/
+	wmb();
+
+	return 0;
+}
+
+static int dsi_pll_7nm_lock_status(struct dsi_pll_7nm *pll)
+{
+	int rc;
+	u32 status = 0;
+	u32 const delay_us = 100;
+	u32 const timeout_us = 5000;
+
+	rc = readl_poll_timeout_atomic(pll->phy->pll_base +
+				       REG_DSI_7nm_PHY_PLL_COMMON_STATUS_ONE,
+				       status,
+				       ((status & BIT(0)) > 0),
+				       delay_us,
+				       timeout_us);
+	if (rc)
+		pr_err("DSI PLL(%d) lock failed, status=0x%08x\n",
+		       pll->phy->id, status);
+
+	return rc;
+}
+
+static void dsi_pll_disable_pll_bias(struct dsi_pll_7nm *pll)
+{
+	u32 data = dsi_phy_read(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_0);
+
+	dsi_phy_write(pll->phy->pll_base + REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES, 0);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_0, data & ~BIT(5));
+	ndelay(250);
+}
+
+static void dsi_pll_enable_pll_bias(struct dsi_pll_7nm *pll)
+{
+	u32 data = dsi_phy_read(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_0);
+
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_0, data | BIT(5));
+	dsi_phy_write(pll->phy->pll_base + REG_DSI_7nm_PHY_PLL_SYSTEM_MUXES, 0xc0);
+	ndelay(250);
+}
+
+static void dsi_pll_disable_global_clk(struct dsi_pll_7nm *pll)
+{
+	u32 data;
+
+	data = dsi_phy_read(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, data & ~BIT(5));
+}
+
+static void dsi_pll_enable_global_clk(struct dsi_pll_7nm *pll)
+{
+	u32 data;
+
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CTRL_3, 0x04);
+
+	data = dsi_phy_read(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1,
+		      data | BIT(5) | BIT(4));
+}
+
+static void dsi_pll_phy_dig_reset(struct dsi_pll_7nm *pll)
+{
+	/*
+	 * Reset the PHY digital domain. This would be needed when
+	 * coming out of a CX or analog rail power collapse while
+	 * ensuring that the pads maintain LP00 or LP11 state
+	 */
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4, BIT(0));
+	wmb(); /* Ensure that the reset is deasserted */
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_GLBL_DIGTOP_SPARE4, 0x0);
+	wmb(); /* Ensure that the reset is deasserted */
+}
+
+static int dsi_pll_7nm_vco_prepare(struct clk_hw *hw)
+{
+	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(hw);
+	int rc;
+
+	dsi_pll_enable_pll_bias(pll_7nm);
+	if (pll_7nm->slave)
+		dsi_pll_enable_pll_bias(pll_7nm->slave);
+
+	/* Start PLL */
+	dsi_phy_write(pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0x01);
+
+	/*
+	 * ensure all PLL configurations are written prior to checking
+	 * for PLL lock.
+	 */
+	wmb();
+
+	/* Check for PLL lock */
+	rc = dsi_pll_7nm_lock_status(pll_7nm);
+	if (rc) {
+		pr_err("PLL(%d) lock failed\n", pll_7nm->phy->id);
+		goto error;
+	}
+
+	pll_7nm->phy->pll_on = true;
+
+	/*
+	 * assert power on reset for PHY digital in case the PLL is
+	 * enabled after CX of analog domain power collapse. This needs
+	 * to be done before enabling the global clk.
+	 */
+	dsi_pll_phy_dig_reset(pll_7nm);
+	if (pll_7nm->slave)
+		dsi_pll_phy_dig_reset(pll_7nm->slave);
+
+	dsi_pll_enable_global_clk(pll_7nm);
+	if (pll_7nm->slave)
+		dsi_pll_enable_global_clk(pll_7nm->slave);
+
+error:
+	return rc;
+}
+
+static void dsi_pll_disable_sub(struct dsi_pll_7nm *pll)
+{
+	dsi_phy_write(pll->phy->base + REG_DSI_7nm_PHY_CMN_RBUF_CTRL, 0);
+	dsi_pll_disable_pll_bias(pll);
+}
+
+static void dsi_pll_7nm_vco_unprepare(struct clk_hw *hw)
+{
+	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(hw);
+
+	/*
+	 * To avoid any stray glitches while abruptly powering down the PLL
+	 * make sure to gate the clock using the clock enable bit before
+	 * powering down the PLL
+	 */
+	dsi_pll_disable_global_clk(pll_7nm);
+	dsi_phy_write(pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0);
+	dsi_pll_disable_sub(pll_7nm);
+	if (pll_7nm->slave) {
+		dsi_pll_disable_global_clk(pll_7nm->slave);
+		dsi_pll_disable_sub(pll_7nm->slave);
+	}
+	/* flush, ensure all register writes are done */
+	wmb();
+	pll_7nm->phy->pll_on = false;
+}
+
+static unsigned long dsi_pll_7nm_vco_recalc_rate(struct clk_hw *hw,
+						  unsigned long parent_rate)
+{
+	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(hw);
+	void __iomem *base = pll_7nm->phy->pll_base;
+	u64 ref_clk = VCO_REF_CLK_RATE;
+	u64 vco_rate = 0x0;
+	u64 multiplier;
+	u32 frac;
+	u32 dec;
+	u64 pll_freq, tmp64;
+
+	dec = dsi_phy_read(base + REG_DSI_7nm_PHY_PLL_DECIMAL_DIV_START_1);
+	dec &= 0xff;
+
+	frac = dsi_phy_read(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_LOW_1);
+	frac |= ((dsi_phy_read(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_MID_1) &
+		  0xff) << 8);
+	frac |= ((dsi_phy_read(base + REG_DSI_7nm_PHY_PLL_FRAC_DIV_START_HIGH_1) &
+		  0x3) << 16);
+
+	/*
+	 * TODO:
+	 *	1. Assumes prescaler is disabled
+	 */
+	multiplier = 1 << FRAC_BITS;
+	pll_freq = dec * (ref_clk * 2);
+	tmp64 = (ref_clk * 2 * frac);
+	pll_freq += div_u64(tmp64, multiplier);
+
+	vco_rate = pll_freq;
+	pll_7nm->vco_current_rate = vco_rate;
+
+	DBG("DSI PLL%d returning vco rate = %lu, dec = %x, frac = %x",
+	    pll_7nm->phy->id, (unsigned long)vco_rate, dec, frac);
+
+	return (unsigned long)vco_rate;
+}
+
+static long dsi_pll_7nm_clk_round_rate(struct clk_hw *hw,
+		unsigned long rate, unsigned long *parent_rate)
+{
+	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(hw);
+
+	if      (rate < pll_7nm->phy->cfg->min_pll_rate)
+		return  pll_7nm->phy->cfg->min_pll_rate;
+	else if (rate > pll_7nm->phy->cfg->max_pll_rate)
+		return  pll_7nm->phy->cfg->max_pll_rate;
+	else
+		return rate;
+}
+
+static const struct clk_ops clk_ops_dsi_pll_7nm_vco = {
+	.round_rate = dsi_pll_7nm_clk_round_rate,
+	.set_rate = dsi_pll_7nm_vco_set_rate,
+	.recalc_rate = dsi_pll_7nm_vco_recalc_rate,
+	.prepare = dsi_pll_7nm_vco_prepare,
+	.unprepare = dsi_pll_7nm_vco_unprepare,
+};
+
+/*
+ * PLL Callbacks
+ */
+
+static void dsi_7nm_pll_save_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(phy->vco_hw);
+	struct pll_7nm_cached_state *cached = &pll_7nm->cached_state;
+	void __iomem *phy_base = pll_7nm->phy->base;
+	u32 cmn_clk_cfg0, cmn_clk_cfg1;
+
+	cached->pll_out_div = dsi_phy_read(pll_7nm->phy->pll_base +
+			REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE);
+	cached->pll_out_div &= 0x3;
+
+	cmn_clk_cfg0 = dsi_phy_read(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG0);
+	cached->bit_clk_div = cmn_clk_cfg0 & 0xf;
+	cached->pix_clk_div = (cmn_clk_cfg0 & 0xf0) >> 4;
+
+	cmn_clk_cfg1 = dsi_phy_read(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
+	cached->pll_mux = cmn_clk_cfg1 & 0x3;
+
+	DBG("DSI PLL%d outdiv %x bit_clk_div %x pix_clk_div %x pll_mux %x",
+	    pll_7nm->phy->id, cached->pll_out_div, cached->bit_clk_div,
+	    cached->pix_clk_div, cached->pll_mux);
+}
+
+static int dsi_7nm_pll_restore_state(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(phy->vco_hw);
+	struct pll_7nm_cached_state *cached = &pll_7nm->cached_state;
+	void __iomem *phy_base = pll_7nm->phy->base;
+	u32 val;
+	int ret;
+
+	val = dsi_phy_read(pll_7nm->phy->pll_base + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE);
+	val &= ~0x3;
+	val |= cached->pll_out_div;
+	dsi_phy_write(pll_7nm->phy->pll_base + REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE, val);
+
+	dsi_phy_write(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG0,
+		      cached->bit_clk_div | (cached->pix_clk_div << 4));
+
+	val = dsi_phy_read(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
+	val &= ~0x3;
+	val |= cached->pll_mux;
+	dsi_phy_write(phy_base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, val);
+
+	ret = dsi_pll_7nm_vco_set_rate(phy->vco_hw,
+			pll_7nm->vco_current_rate,
+			VCO_REF_CLK_RATE);
+	if (ret) {
+		DRM_DEV_ERROR(&pll_7nm->phy->pdev->dev,
+			"restore vco rate failed. ret=%d\n", ret);
+		return ret;
+	}
+
+	DBG("DSI PLL%d", pll_7nm->phy->id);
+
+	return 0;
+}
+
+static int dsi_7nm_set_usecase(struct msm_dsi_phy *phy)
+{
+	struct dsi_pll_7nm *pll_7nm = to_pll_7nm(phy->vco_hw);
+	void __iomem *base = phy->base;
+	u32 data = 0x0;	/* internal PLL */
+
+	DBG("DSI PLL%d", pll_7nm->phy->id);
+
+	switch (phy->usecase) {
+	case MSM_DSI_PHY_STANDALONE:
+		break;
+	case MSM_DSI_PHY_MASTER:
+		pll_7nm->slave = pll_7nm_list[(pll_7nm->phy->id + 1) % DSI_MAX];
+		break;
+	case MSM_DSI_PHY_SLAVE:
+		data = 0x1; /* external PLL */
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* set PLL src */
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, (data << 2));
+
+	return 0;
+}
+
+/*
+ * The post dividers and mux clocks are created using the standard divider and
+ * mux API. Unlike the 14nm PHY, the slave PLL doesn't need its dividers/mux
+ * state to follow the master PLL's divider/mux state. Therefore, we don't
+ * require special clock ops that also configure the slave PLL registers
+ */
+static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provided_clocks)
+{
+	char clk_name[32];
+	struct clk_init_data vco_init = {
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "ref",
+		},
+		.num_parents = 1,
+		.name = clk_name,
+		.flags = CLK_IGNORE_UNUSED,
+		.ops = &clk_ops_dsi_pll_7nm_vco,
+	};
+	struct device *dev = &pll_7nm->phy->pdev->dev;
+	struct clk_hw *hw, *pll_out_div, *pll_bit, *pll_by_2_bit;
+	struct clk_hw *pll_post_out_div, *phy_pll_out_dsi_parent;
+	int ret;
+
+	DBG("DSI%d", pll_7nm->phy->id);
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%dvco_clk", pll_7nm->phy->id);
+	pll_7nm->clk_hw.init = &vco_init;
+
+	ret = devm_clk_hw_register(dev, &pll_7nm->clk_hw);
+	if (ret)
+		return ret;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_out_div_clk", pll_7nm->phy->id);
+
+	pll_out_div = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
+			&pll_7nm->clk_hw, CLK_SET_RATE_PARENT,
+			pll_7nm->phy->pll_base +
+				REG_DSI_7nm_PHY_PLL_PLL_OUTDIV_RATE,
+			0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL);
+	if (IS_ERR(pll_out_div)) {
+		ret = PTR_ERR(pll_out_div);
+		goto fail;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_bit_clk", pll_7nm->phy->id);
+
+	/* BIT CLK: DIV_CTRL_3_0 */
+	pll_bit = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
+			pll_out_div, CLK_SET_RATE_PARENT,
+			pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG0,
+			0, 4, CLK_DIVIDER_ONE_BASED, &pll_7nm->postdiv_lock);
+	if (IS_ERR(pll_bit)) {
+		ret = PTR_ERR(pll_bit);
+		goto fail;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_phy_pll_out_byteclk", pll_7nm->phy->id);
+
+	/* DSI Byte clock = VCO_CLK / OUT_DIV / BIT_DIV / 8 */
+	hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, clk_name,
+			pll_bit, CLK_SET_RATE_PARENT, 1,
+			pll_7nm->phy->cphy_mode ? 7 : 8);
+	if (IS_ERR(hw)) {
+		ret = PTR_ERR(hw);
+		goto fail;
+	}
+
+	provided_clocks[DSI_BYTE_PLL_CLK] = hw;
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_by_2_bit_clk", pll_7nm->phy->id);
+
+	pll_by_2_bit = devm_clk_hw_register_fixed_factor_parent_hw(dev,
+			clk_name, pll_bit, 0, 1, 2);
+	if (IS_ERR(pll_by_2_bit)) {
+		ret = PTR_ERR(pll_by_2_bit);
+		goto fail;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_pll_post_out_div_clk", pll_7nm->phy->id);
+
+	if (pll_7nm->phy->cphy_mode)
+		pll_post_out_div = devm_clk_hw_register_fixed_factor_parent_hw(
+				dev, clk_name, pll_out_div, 0, 2, 7);
+	else
+		pll_post_out_div = devm_clk_hw_register_fixed_factor_parent_hw(
+				dev, clk_name, pll_out_div, 0, 1, 4);
+	if (IS_ERR(pll_post_out_div)) {
+		ret = PTR_ERR(pll_post_out_div);
+		goto fail;
+	}
+
+	/* in CPHY mode, pclk_mux will always have post_out_div as parent
+	 * don't register a pclk_mux clock and just use post_out_div instead
+	 */
+	if (pll_7nm->phy->cphy_mode) {
+		u32 data;
+
+		data = dsi_phy_read(pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1);
+		dsi_phy_write(pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG1, data | 3);
+
+		phy_pll_out_dsi_parent = pll_post_out_div;
+	} else {
+		snprintf(clk_name, sizeof(clk_name), "dsi%d_pclk_mux", pll_7nm->phy->id);
+
+		hw = devm_clk_hw_register_mux_parent_hws(dev, clk_name,
+				((const struct clk_hw *[]){
+					pll_bit,
+					pll_by_2_bit,
+				}), 2, 0, pll_7nm->phy->base +
+					REG_DSI_7nm_PHY_CMN_CLK_CFG1,
+				0, 1, 0, NULL);
+		if (IS_ERR(hw)) {
+			ret = PTR_ERR(hw);
+			goto fail;
+		}
+
+		phy_pll_out_dsi_parent = hw;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "dsi%d_phy_pll_out_dsiclk", pll_7nm->phy->id);
+
+	/* PIX CLK DIV : DIV_CTRL_7_4*/
+	hw = devm_clk_hw_register_divider_parent_hw(dev, clk_name,
+			phy_pll_out_dsi_parent, 0,
+			pll_7nm->phy->base + REG_DSI_7nm_PHY_CMN_CLK_CFG0,
+			4, 4, CLK_DIVIDER_ONE_BASED, &pll_7nm->postdiv_lock);
+	if (IS_ERR(hw)) {
+		ret = PTR_ERR(hw);
+		goto fail;
+	}
+
+	provided_clocks[DSI_PIXEL_PLL_CLK] = hw;
+
+	return 0;
+
+fail:
+
+	return ret;
+}
+
+static int dsi_pll_7nm_init(struct msm_dsi_phy *phy)
+{
+	struct platform_device *pdev = phy->pdev;
+	struct dsi_pll_7nm *pll_7nm;
+	int ret;
+
+	pll_7nm = devm_kzalloc(&pdev->dev, sizeof(*pll_7nm), GFP_KERNEL);
+	if (!pll_7nm)
+		return -ENOMEM;
+
+	DBG("DSI PLL%d", phy->id);
+
+	pll_7nm_list[phy->id] = pll_7nm;
+
+	spin_lock_init(&pll_7nm->postdiv_lock);
+
+	pll_7nm->phy = phy;
+
+	ret = pll_7nm_register(pll_7nm, phy->provided_clocks->hws);
+	if (ret) {
+		DRM_DEV_ERROR(&pdev->dev, "failed to register PLL: %d\n", ret);
+		return ret;
+	}
+
+	phy->vco_hw = &pll_7nm->clk_hw;
+
+	/* TODO: Remove this when we have proper display handover support */
+	msm_dsi_phy_pll_save_state(phy);
+
+	return 0;
+}
+
+static int dsi_phy_hw_v4_0_is_pll_on(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->base;
+	u32 data = 0;
+
+	data = dsi_phy_read(base + REG_DSI_7nm_PHY_CMN_PLL_CNTRL);
+	mb(); /* make sure read happened */
+
+	return (data & BIT(0));
+}
+
+static void dsi_phy_hw_v4_0_config_lpcdrx(struct msm_dsi_phy *phy, bool enable)
+{
+	void __iomem *lane_base = phy->lane_base;
+	int phy_lane_0 = 0;	/* TODO: Support all lane swap configs */
+
+	/*
+	 * LPRX and CDRX need to enabled only for physical data lane
+	 * corresponding to the logical data lane 0
+	 */
+	if (enable)
+		dsi_phy_write(lane_base +
+			      REG_DSI_7nm_PHY_LN_LPRX_CTRL(phy_lane_0), 0x3);
+	else
+		dsi_phy_write(lane_base +
+			      REG_DSI_7nm_PHY_LN_LPRX_CTRL(phy_lane_0), 0);
+}
+
+static void dsi_phy_hw_v4_0_lane_settings(struct msm_dsi_phy *phy)
+{
+	int i;
+	const u8 tx_dctrl_0[] = { 0x00, 0x00, 0x00, 0x04, 0x01 };
+	const u8 tx_dctrl_1[] = { 0x40, 0x40, 0x40, 0x46, 0x41 };
+	const u8 *tx_dctrl = tx_dctrl_0;
+	void __iomem *lane_base = phy->lane_base;
+
+	if (phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1)
+		tx_dctrl = tx_dctrl_1;
+
+	/* Strength ctrl settings */
+	for (i = 0; i < 5; i++) {
+		/*
+		 * Disable LPRX and CDRX for all lanes. And later on, it will
+		 * be only enabled for the physical data lane corresponding
+		 * to the logical data lane 0
+		 */
+		dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_LPRX_CTRL(i), 0);
+		dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_PIN_SWAP(i), 0x0);
+	}
+
+	dsi_phy_hw_v4_0_config_lpcdrx(phy, true);
+
+	/* other settings */
+	for (i = 0; i < 5; i++) {
+		dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_CFG0(i), 0x0);
+		dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_CFG1(i), 0x0);
+		dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_CFG2(i), i == 4 ? 0x8a : 0xa);
+		dsi_phy_write(lane_base + REG_DSI_7nm_PHY_LN_TX_DCTRL(i), tx_dctrl[i]);
+	}
+}
+
+static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy,
+			      struct msm_dsi_phy_clk_request *clk_req)
+{
+	int ret;
+	u32 status;
+	u32 const delay_us = 5;
+	u32 const timeout_us = 1000;
+	struct msm_dsi_dphy_timing *timing = &phy->timing;
+	void __iomem *base = phy->base;
+	bool less_than_1500_mhz;
+	u32 vreg_ctrl_0, vreg_ctrl_1, lane_ctrl0;
+	u32 glbl_pemph_ctrl_0;
+	u32 glbl_str_swi_cal_sel_ctrl, glbl_hstx_str_ctrl_0;
+	u32 glbl_rescode_top_ctrl, glbl_rescode_bot_ctrl;
+	u32 data;
+
+	DBG("");
+
+	if (phy->cphy_mode)
+		ret = msm_dsi_cphy_timing_calc_v4(timing, clk_req);
+	else
+		ret = msm_dsi_dphy_timing_calc_v4(timing, clk_req);
+	if (ret) {
+		DRM_DEV_ERROR(&phy->pdev->dev,
+			      "%s: PHY timing calculation failed\n", __func__);
+		return -EINVAL;
+	}
+
+	if (dsi_phy_hw_v4_0_is_pll_on(phy))
+		pr_warn("PLL turned on before configuring PHY\n");
+
+	/* wait for REFGEN READY */
+	ret = readl_poll_timeout_atomic(base + REG_DSI_7nm_PHY_CMN_PHY_STATUS,
+					status, (status & BIT(0)),
+					delay_us, timeout_us);
+	if (ret) {
+		pr_err("Ref gen not ready. Aborting\n");
+		return -EINVAL;
+	}
+
+	/* TODO: CPHY enable path (this is for DPHY only) */
+
+	/* Alter PHY configurations if data rate less than 1.5GHZ*/
+	less_than_1500_mhz = (clk_req->bitclk_rate <= 1500000000);
+
+	if (phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1) {
+		vreg_ctrl_0 = less_than_1500_mhz ? 0x53 : 0x52;
+		if (phy->cphy_mode) {
+			glbl_rescode_top_ctrl = 0x00;
+			glbl_rescode_bot_ctrl = 0x3c;
+		} else {
+			glbl_rescode_top_ctrl = less_than_1500_mhz ? 0x3d :  0x00;
+			glbl_rescode_bot_ctrl = less_than_1500_mhz ? 0x39 :  0x3c;
+		}
+		glbl_str_swi_cal_sel_ctrl = 0x00;
+		glbl_hstx_str_ctrl_0 = 0x88;
+	} else {
+		vreg_ctrl_0 = less_than_1500_mhz ? 0x5B : 0x59;
+		if (phy->cphy_mode) {
+			glbl_str_swi_cal_sel_ctrl = 0x03;
+			glbl_hstx_str_ctrl_0 = 0x66;
+		} else {
+			glbl_str_swi_cal_sel_ctrl = less_than_1500_mhz ? 0x03 : 0x00;
+			glbl_hstx_str_ctrl_0 = less_than_1500_mhz ? 0x66 : 0x88;
+		}
+		glbl_rescode_top_ctrl = 0x03;
+		glbl_rescode_bot_ctrl = 0x3c;
+	}
+
+	if (phy->cphy_mode) {
+		vreg_ctrl_0 = 0x51;
+		vreg_ctrl_1 = 0x55;
+		glbl_pemph_ctrl_0 = 0x11;
+		lane_ctrl0 = 0x17;
+	} else {
+		vreg_ctrl_1 = 0x5c;
+		glbl_pemph_ctrl_0 = 0x00;
+		lane_ctrl0 = 0x1f;
+	}
+
+	/* de-assert digital and pll power down */
+	data = BIT(6) | BIT(5);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_0, data);
+
+	/* Assert PLL core reset */
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_PLL_CNTRL, 0x00);
+
+	/* turn off resync FIFO */
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_RBUF_CTRL, 0x00);
+
+	/* program CMN_CTRL_4 for minor_ver 2 chipsets*/
+	data = dsi_phy_read(base + REG_DSI_7nm_PHY_CMN_REVISION_ID0);
+	data = data & (0xf0);
+	if (data == 0x20)
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_4, 0x04);
+
+	/* Configure PHY lane swap (TODO: we need to calculate this) */
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CFG0, 0x21);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CFG1, 0x84);
+
+	if (phy->cphy_mode)
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_CTRL, BIT(6));
+
+	/* Enable LDO */
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_VREG_CTRL_0, vreg_ctrl_0);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_VREG_CTRL_1, vreg_ctrl_1);
+
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_3, 0x00);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_STR_SWI_CAL_SEL_CTRL,
+		      glbl_str_swi_cal_sel_ctrl);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_HSTX_STR_CTRL_0,
+		      glbl_hstx_str_ctrl_0);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_PEMPH_CTRL_0,
+		      glbl_pemph_ctrl_0);
+	if (phy->cphy_mode)
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_PEMPH_CTRL_1, 0x01);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_TOP_CTRL,
+		      glbl_rescode_top_ctrl);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_RESCODE_OFFSET_BOT_CTRL,
+		      glbl_rescode_bot_ctrl);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_GLBL_LPTX_STR_CTRL, 0x55);
+
+	/* Remove power down from all blocks */
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_0, 0x7f);
+
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL0, lane_ctrl0);
+
+	/* Select full-rate mode */
+	if (!phy->cphy_mode)
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_2, 0x40);
+
+	ret = dsi_7nm_set_usecase(phy);
+	if (ret) {
+		DRM_DEV_ERROR(&phy->pdev->dev, "%s: set pll usecase failed, %d\n",
+			__func__, ret);
+		return ret;
+	}
+
+	/* DSI PHY timings */
+	if (phy->cphy_mode) {
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_0, 0x00);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_4, timing->hs_exit);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_5,
+			      timing->shared_timings.clk_pre);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_6, timing->clk_prepare);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_7,
+			      timing->shared_timings.clk_post);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_8, timing->hs_rqst);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_9, 0x02);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_10, 0x04);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_11, 0x00);
+	} else {
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_0, 0x00);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_1, timing->clk_zero);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_2, timing->clk_prepare);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_3, timing->clk_trail);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_4, timing->hs_exit);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_5, timing->hs_zero);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_6, timing->hs_prepare);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_7, timing->hs_trail);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_8, timing->hs_rqst);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_9, 0x02);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_10, 0x04);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_11, 0x00);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_12,
+			      timing->shared_timings.clk_pre);
+		dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_TIMING_CTRL_13,
+			      timing->shared_timings.clk_post);
+	}
+
+	/* DSI lane settings */
+	dsi_phy_hw_v4_0_lane_settings(phy);
+
+	DBG("DSI%d PHY enabled", phy->id);
+
+	return 0;
+}
+
+static bool dsi_7nm_set_continuous_clock(struct msm_dsi_phy *phy, bool enable)
+{
+	void __iomem *base = phy->base;
+	u32 data;
+
+	data = dsi_phy_read(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL1);
+	if (enable)
+		data |= BIT(5) | BIT(6);
+	else
+		data &= ~(BIT(5) | BIT(6));
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL1, data);
+
+	return enable;
+}
+
+static void dsi_7nm_phy_disable(struct msm_dsi_phy *phy)
+{
+	void __iomem *base = phy->base;
+	u32 data;
+
+	DBG("");
+
+	if (dsi_phy_hw_v4_0_is_pll_on(phy))
+		pr_warn("Turning OFF PHY while PLL is on\n");
+
+	dsi_phy_hw_v4_0_config_lpcdrx(phy, false);
+	data = dsi_phy_read(base + REG_DSI_7nm_PHY_CMN_CTRL_0);
+
+	/* disable all lanes */
+	data &= ~0x1F;
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_0, data);
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_LANE_CTRL0, 0);
+
+	/* Turn off all PHY blocks */
+	dsi_phy_write(base + REG_DSI_7nm_PHY_CMN_CTRL_0, 0x00);
+	/* make sure phy is turned off */
+	wmb();
+
+	DBG("DSI%d PHY disabled", phy->id);
+}
+
+static const struct regulator_bulk_data dsi_phy_7nm_36mA_regulators[] = {
+	{ .supply = "vdds", .init_load_uA = 36000 },
+};
+
+static const struct regulator_bulk_data dsi_phy_7nm_37750uA_regulators[] = {
+	{ .supply = "vdds", .init_load_uA = 37550 },
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs = {
+	.has_phy_lane = true,
+	.regulator_data = dsi_phy_7nm_36mA_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_7nm_36mA_regulators),
+	.ops = {
+		.enable = dsi_7nm_phy_enable,
+		.disable = dsi_7nm_phy_disable,
+		.pll_init = dsi_pll_7nm_init,
+		.save_pll_state = dsi_7nm_pll_save_state,
+		.restore_pll_state = dsi_7nm_pll_restore_state,
+		.set_continuous_clock = dsi_7nm_set_continuous_clock,
+	},
+	.min_pll_rate = 600000000UL,
+#ifdef CONFIG_64BIT
+	.max_pll_rate = 5000000000UL,
+#else
+	.max_pll_rate = ULONG_MAX,
+#endif
+	.io_start = { 0xae94400, 0xae96400 },
+	.num_dsi_phy = 2,
+	.quirks = DSI_PHY_7NM_QUIRK_V4_1,
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs = {
+	.has_phy_lane = true,
+	.regulator_data = dsi_phy_7nm_36mA_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_7nm_36mA_regulators),
+	.ops = {
+		.enable = dsi_7nm_phy_enable,
+		.disable = dsi_7nm_phy_disable,
+		.pll_init = dsi_pll_7nm_init,
+		.save_pll_state = dsi_7nm_pll_save_state,
+		.restore_pll_state = dsi_7nm_pll_restore_state,
+		.set_continuous_clock = dsi_7nm_set_continuous_clock,
+	},
+	.min_pll_rate = 1000000000UL,
+	.max_pll_rate = 3500000000UL,
+	.io_start = { 0xae94400, 0xae96400 },
+	.num_dsi_phy = 2,
+};
+
+const struct msm_dsi_phy_cfg dsi_phy_7nm_7280_cfgs = {
+	.has_phy_lane = true,
+	.regulator_data = dsi_phy_7nm_37750uA_regulators,
+	.num_regulators = ARRAY_SIZE(dsi_phy_7nm_37750uA_regulators),
+	.ops = {
+		.enable = dsi_7nm_phy_enable,
+		.disable = dsi_7nm_phy_disable,
+		.pll_init = dsi_pll_7nm_init,
+		.save_pll_state = dsi_7nm_pll_save_state,
+		.restore_pll_state = dsi_7nm_pll_restore_state,
+	},
+	.min_pll_rate = 600000000UL,
+#ifdef CONFIG_64BIT
+	.max_pll_rate = 5000000000ULL,
+#else
+	.max_pll_rate = ULONG_MAX,
+#endif
+	.io_start = { 0xae94400 },
+	.num_dsi_phy = 1,
+	.quirks = DSI_PHY_7NM_QUIRK_V4_1,
+};