Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 1061 insertions, 0 deletions

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 0000000000..27b592c776
--- /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,
+};