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-rw-r--r--drivers/clk/meson/s4-pll.c867
1 files changed, 867 insertions, 0 deletions
diff --git a/drivers/clk/meson/s4-pll.c b/drivers/clk/meson/s4-pll.c
new file mode 100644
index 0000000000..8dfaeccaad
--- /dev/null
+++ b/drivers/clk/meson/s4-pll.c
@@ -0,0 +1,867 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+/*
+ * Amlogic S4 PLL Clock Controller Driver
+ *
+ * Copyright (c) 2022-2023 Amlogic, inc. All rights reserved
+ * Author: Yu Tu <yu.tu@amlogic.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+
+#include "clk-mpll.h"
+#include "clk-pll.h"
+#include "clk-regmap.h"
+#include "s4-pll.h"
+#include "meson-clkc-utils.h"
+#include <dt-bindings/clock/amlogic,s4-pll-clkc.h>
+
+static DEFINE_SPINLOCK(meson_clk_lock);
+
+/*
+ * These clock are a fixed value (fixed_pll is 2GHz) that is initialized by ROMcode.
+ * The chip was changed fixed pll for security reasons. Fixed PLL registers are not writable
+ * in the kernel phase. Write of fixed PLL-related register will cause the system to crash.
+ * Meanwhile, these clock won't ever change at runtime.
+ * For the above reasons, we can only use ro_ops for fixed PLL related clocks.
+ */
+static struct clk_regmap s4_fixed_pll_dco = {
+ .data = &(struct meson_clk_pll_data){
+ .en = {
+ .reg_off = ANACTRL_FIXPLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = ANACTRL_FIXPLL_CTRL0,
+ .shift = 0,
+ .width = 8,
+ },
+ .n = {
+ .reg_off = ANACTRL_FIXPLL_CTRL0,
+ .shift = 10,
+ .width = 5,
+ },
+ .l = {
+ .reg_off = ANACTRL_FIXPLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = ANACTRL_FIXPLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "fixed_pll_dco",
+ .ops = &meson_clk_pll_ro_ops,
+ .parent_data = (const struct clk_parent_data []) {
+ { .fw_name = "xtal", }
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_fixed_pll = {
+ .data = &(struct clk_regmap_div_data){
+ .offset = ANACTRL_FIXPLL_CTRL0,
+ .shift = 16,
+ .width = 2,
+ .flags = CLK_DIVIDER_POWER_OF_TWO,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "fixed_pll",
+ .ops = &clk_regmap_divider_ro_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fixed_pll_dco.hw
+ },
+ .num_parents = 1,
+ /*
+ * This clock won't ever change at runtime so
+ * CLK_SET_RATE_PARENT is not required
+ */
+ },
+};
+
+static struct clk_fixed_factor s4_fclk_div2_div = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div2_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_fixed_pll.hw },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_fclk_div2 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_FIXPLL_CTRL1,
+ .bit_idx = 24,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div2",
+ .ops = &clk_regmap_gate_ro_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fclk_div2_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_fixed_factor s4_fclk_div3_div = {
+ .mult = 1,
+ .div = 3,
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div3_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_fixed_pll.hw },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_fclk_div3 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_FIXPLL_CTRL1,
+ .bit_idx = 20,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div3",
+ .ops = &clk_regmap_gate_ro_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fclk_div3_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_fixed_factor s4_fclk_div4_div = {
+ .mult = 1,
+ .div = 4,
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div4_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_fixed_pll.hw },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_fclk_div4 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_FIXPLL_CTRL1,
+ .bit_idx = 21,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div4",
+ .ops = &clk_regmap_gate_ro_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fclk_div4_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_fixed_factor s4_fclk_div5_div = {
+ .mult = 1,
+ .div = 5,
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div5_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_fixed_pll.hw },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_fclk_div5 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_FIXPLL_CTRL1,
+ .bit_idx = 22,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div5",
+ .ops = &clk_regmap_gate_ro_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fclk_div5_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_fixed_factor s4_fclk_div7_div = {
+ .mult = 1,
+ .div = 7,
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div7_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_fixed_pll.hw },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_fclk_div7 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_FIXPLL_CTRL1,
+ .bit_idx = 23,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div7",
+ .ops = &clk_regmap_gate_ro_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fclk_div7_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_fixed_factor s4_fclk_div2p5_div = {
+ .mult = 2,
+ .div = 5,
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div2p5_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fixed_pll.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_fclk_div2p5 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_FIXPLL_CTRL1,
+ .bit_idx = 25,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "fclk_div2p5",
+ .ops = &clk_regmap_gate_ro_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fclk_div2p5_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static const struct pll_mult_range s4_gp0_pll_mult_range = {
+ .min = 125,
+ .max = 250,
+};
+
+/*
+ * Internal gp0 pll emulation configuration parameters
+ */
+static const struct reg_sequence s4_gp0_init_regs[] = {
+ { .reg = ANACTRL_GP0PLL_CTRL1, .def = 0x00000000 },
+ { .reg = ANACTRL_GP0PLL_CTRL2, .def = 0x00000000 },
+ { .reg = ANACTRL_GP0PLL_CTRL3, .def = 0x48681c00 },
+ { .reg = ANACTRL_GP0PLL_CTRL4, .def = 0x88770290 },
+ { .reg = ANACTRL_GP0PLL_CTRL5, .def = 0x39272000 },
+ { .reg = ANACTRL_GP0PLL_CTRL6, .def = 0x56540000 }
+};
+
+static struct clk_regmap s4_gp0_pll_dco = {
+ .data = &(struct meson_clk_pll_data){
+ .en = {
+ .reg_off = ANACTRL_GP0PLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = ANACTRL_GP0PLL_CTRL0,
+ .shift = 0,
+ .width = 8,
+ },
+ .n = {
+ .reg_off = ANACTRL_GP0PLL_CTRL0,
+ .shift = 10,
+ .width = 5,
+ },
+ .l = {
+ .reg_off = ANACTRL_GP0PLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = ANACTRL_GP0PLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ .range = &s4_gp0_pll_mult_range,
+ .init_regs = s4_gp0_init_regs,
+ .init_count = ARRAY_SIZE(s4_gp0_init_regs),
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "gp0_pll_dco",
+ .ops = &meson_clk_pll_ops,
+ .parent_data = (const struct clk_parent_data []) {
+ { .fw_name = "xtal", }
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_gp0_pll = {
+ .data = &(struct clk_regmap_div_data){
+ .offset = ANACTRL_GP0PLL_CTRL0,
+ .shift = 16,
+ .width = 3,
+ .flags = (CLK_DIVIDER_POWER_OF_TWO |
+ CLK_DIVIDER_ROUND_CLOSEST),
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "gp0_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_gp0_pll_dco.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+/*
+ * Internal hifi pll emulation configuration parameters
+ */
+static const struct reg_sequence s4_hifi_init_regs[] = {
+ { .reg = ANACTRL_HIFIPLL_CTRL1, .def = 0x00010e56 },
+ { .reg = ANACTRL_HIFIPLL_CTRL2, .def = 0x00000000 },
+ { .reg = ANACTRL_HIFIPLL_CTRL3, .def = 0x6a285c00 },
+ { .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x65771290 },
+ { .reg = ANACTRL_HIFIPLL_CTRL5, .def = 0x39272000 },
+ { .reg = ANACTRL_HIFIPLL_CTRL6, .def = 0x56540000 }
+};
+
+static struct clk_regmap s4_hifi_pll_dco = {
+ .data = &(struct meson_clk_pll_data){
+ .en = {
+ .reg_off = ANACTRL_HIFIPLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = ANACTRL_HIFIPLL_CTRL0,
+ .shift = 0,
+ .width = 8,
+ },
+ .n = {
+ .reg_off = ANACTRL_HIFIPLL_CTRL0,
+ .shift = 10,
+ .width = 5,
+ },
+ .l = {
+ .reg_off = ANACTRL_HIFIPLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = ANACTRL_HIFIPLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ .range = &s4_gp0_pll_mult_range,
+ .init_regs = s4_hifi_init_regs,
+ .init_count = ARRAY_SIZE(s4_hifi_init_regs),
+ .flags = CLK_MESON_PLL_ROUND_CLOSEST,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "hifi_pll_dco",
+ .ops = &meson_clk_pll_ops,
+ .parent_data = (const struct clk_parent_data []) {
+ { .fw_name = "xtal", }
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_hifi_pll = {
+ .data = &(struct clk_regmap_div_data){
+ .offset = ANACTRL_HIFIPLL_CTRL0,
+ .shift = 16,
+ .width = 2,
+ .flags = (CLK_DIVIDER_POWER_OF_TWO |
+ CLK_DIVIDER_ROUND_CLOSEST),
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "hifi_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_hifi_pll_dco.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_regmap s4_hdmi_pll_dco = {
+ .data = &(struct meson_clk_pll_data){
+ .en = {
+ .reg_off = ANACTRL_HDMIPLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = ANACTRL_HDMIPLL_CTRL0,
+ .shift = 0,
+ .width = 8,
+ },
+ .n = {
+ .reg_off = ANACTRL_HDMIPLL_CTRL0,
+ .shift = 10,
+ .width = 5,
+ },
+ .l = {
+ .reg_off = ANACTRL_HDMIPLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = ANACTRL_HDMIPLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ .range = &s4_gp0_pll_mult_range,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "hdmi_pll_dco",
+ .ops = &meson_clk_pll_ops,
+ .parent_data = (const struct clk_parent_data []) {
+ { .fw_name = "xtal", }
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_hdmi_pll_od = {
+ .data = &(struct clk_regmap_div_data){
+ .offset = ANACTRL_HDMIPLL_CTRL0,
+ .shift = 16,
+ .width = 4,
+ .flags = CLK_DIVIDER_POWER_OF_TWO,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "hdmi_pll_od",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_hdmi_pll_dco.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_regmap s4_hdmi_pll = {
+ .data = &(struct clk_regmap_div_data){
+ .offset = ANACTRL_HDMIPLL_CTRL0,
+ .shift = 20,
+ .width = 2,
+ .flags = CLK_DIVIDER_POWER_OF_TWO,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "hdmi_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_hdmi_pll_od.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_fixed_factor s4_mpll_50m_div = {
+ .mult = 1,
+ .div = 80,
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll_50m_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fixed_pll_dco.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_mpll_50m = {
+ .data = &(struct clk_regmap_mux_data){
+ .offset = ANACTRL_FIXPLL_CTRL3,
+ .mask = 0x1,
+ .shift = 5,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll_50m",
+ .ops = &clk_regmap_mux_ro_ops,
+ .parent_data = (const struct clk_parent_data []) {
+ { .fw_name = "xtal", },
+ { .hw = &s4_mpll_50m_div.hw },
+ },
+ .num_parents = 2,
+ },
+};
+
+static struct clk_fixed_factor s4_mpll_prediv = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll_prediv",
+ .ops = &clk_fixed_factor_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_fixed_pll_dco.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static const struct reg_sequence s4_mpll0_init_regs[] = {
+ { .reg = ANACTRL_MPLL_CTRL2, .def = 0x40000033 }
+};
+
+static struct clk_regmap s4_mpll0_div = {
+ .data = &(struct meson_clk_mpll_data){
+ .sdm = {
+ .reg_off = ANACTRL_MPLL_CTRL1,
+ .shift = 0,
+ .width = 14,
+ },
+ .sdm_en = {
+ .reg_off = ANACTRL_MPLL_CTRL1,
+ .shift = 30,
+ .width = 1,
+ },
+ .n2 = {
+ .reg_off = ANACTRL_MPLL_CTRL1,
+ .shift = 20,
+ .width = 9,
+ },
+ .ssen = {
+ .reg_off = ANACTRL_MPLL_CTRL1,
+ .shift = 29,
+ .width = 1,
+ },
+ .lock = &meson_clk_lock,
+ .init_regs = s4_mpll0_init_regs,
+ .init_count = ARRAY_SIZE(s4_mpll0_init_regs),
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll0_div",
+ .ops = &meson_clk_mpll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_mpll_prediv.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_mpll0 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_MPLL_CTRL1,
+ .bit_idx = 31,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll0",
+ .ops = &clk_regmap_gate_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_mpll0_div.hw },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct reg_sequence s4_mpll1_init_regs[] = {
+ { .reg = ANACTRL_MPLL_CTRL4, .def = 0x40000033 }
+};
+
+static struct clk_regmap s4_mpll1_div = {
+ .data = &(struct meson_clk_mpll_data){
+ .sdm = {
+ .reg_off = ANACTRL_MPLL_CTRL3,
+ .shift = 0,
+ .width = 14,
+ },
+ .sdm_en = {
+ .reg_off = ANACTRL_MPLL_CTRL3,
+ .shift = 30,
+ .width = 1,
+ },
+ .n2 = {
+ .reg_off = ANACTRL_MPLL_CTRL3,
+ .shift = 20,
+ .width = 9,
+ },
+ .ssen = {
+ .reg_off = ANACTRL_MPLL_CTRL3,
+ .shift = 29,
+ .width = 1,
+ },
+ .lock = &meson_clk_lock,
+ .init_regs = s4_mpll1_init_regs,
+ .init_count = ARRAY_SIZE(s4_mpll1_init_regs),
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll1_div",
+ .ops = &meson_clk_mpll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_mpll_prediv.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_mpll1 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_MPLL_CTRL3,
+ .bit_idx = 31,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll1",
+ .ops = &clk_regmap_gate_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_mpll1_div.hw },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct reg_sequence s4_mpll2_init_regs[] = {
+ { .reg = ANACTRL_MPLL_CTRL6, .def = 0x40000033 }
+};
+
+static struct clk_regmap s4_mpll2_div = {
+ .data = &(struct meson_clk_mpll_data){
+ .sdm = {
+ .reg_off = ANACTRL_MPLL_CTRL5,
+ .shift = 0,
+ .width = 14,
+ },
+ .sdm_en = {
+ .reg_off = ANACTRL_MPLL_CTRL5,
+ .shift = 30,
+ .width = 1,
+ },
+ .n2 = {
+ .reg_off = ANACTRL_MPLL_CTRL5,
+ .shift = 20,
+ .width = 9,
+ },
+ .ssen = {
+ .reg_off = ANACTRL_MPLL_CTRL5,
+ .shift = 29,
+ .width = 1,
+ },
+ .lock = &meson_clk_lock,
+ .init_regs = s4_mpll2_init_regs,
+ .init_count = ARRAY_SIZE(s4_mpll2_init_regs),
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll2_div",
+ .ops = &meson_clk_mpll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_mpll_prediv.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_mpll2 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_MPLL_CTRL5,
+ .bit_idx = 31,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll2",
+ .ops = &clk_regmap_gate_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_mpll2_div.hw },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct reg_sequence s4_mpll3_init_regs[] = {
+ { .reg = ANACTRL_MPLL_CTRL8, .def = 0x40000033 }
+};
+
+static struct clk_regmap s4_mpll3_div = {
+ .data = &(struct meson_clk_mpll_data){
+ .sdm = {
+ .reg_off = ANACTRL_MPLL_CTRL7,
+ .shift = 0,
+ .width = 14,
+ },
+ .sdm_en = {
+ .reg_off = ANACTRL_MPLL_CTRL7,
+ .shift = 30,
+ .width = 1,
+ },
+ .n2 = {
+ .reg_off = ANACTRL_MPLL_CTRL7,
+ .shift = 20,
+ .width = 9,
+ },
+ .ssen = {
+ .reg_off = ANACTRL_MPLL_CTRL7,
+ .shift = 29,
+ .width = 1,
+ },
+ .lock = &meson_clk_lock,
+ .init_regs = s4_mpll3_init_regs,
+ .init_count = ARRAY_SIZE(s4_mpll3_init_regs),
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll3_div",
+ .ops = &meson_clk_mpll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &s4_mpll_prediv.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap s4_mpll3 = {
+ .data = &(struct clk_regmap_gate_data){
+ .offset = ANACTRL_MPLL_CTRL7,
+ .bit_idx = 31,
+ },
+ .hw.init = &(struct clk_init_data){
+ .name = "mpll3",
+ .ops = &clk_regmap_gate_ops,
+ .parent_hws = (const struct clk_hw *[]) { &s4_mpll3_div.hw },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+/* Array of all clocks provided by this provider */
+static struct clk_hw *s4_pll_hw_clks[] = {
+ [CLKID_FIXED_PLL_DCO] = &s4_fixed_pll_dco.hw,
+ [CLKID_FIXED_PLL] = &s4_fixed_pll.hw,
+ [CLKID_FCLK_DIV2_DIV] = &s4_fclk_div2_div.hw,
+ [CLKID_FCLK_DIV2] = &s4_fclk_div2.hw,
+ [CLKID_FCLK_DIV3_DIV] = &s4_fclk_div3_div.hw,
+ [CLKID_FCLK_DIV3] = &s4_fclk_div3.hw,
+ [CLKID_FCLK_DIV4_DIV] = &s4_fclk_div4_div.hw,
+ [CLKID_FCLK_DIV4] = &s4_fclk_div4.hw,
+ [CLKID_FCLK_DIV5_DIV] = &s4_fclk_div5_div.hw,
+ [CLKID_FCLK_DIV5] = &s4_fclk_div5.hw,
+ [CLKID_FCLK_DIV7_DIV] = &s4_fclk_div7_div.hw,
+ [CLKID_FCLK_DIV7] = &s4_fclk_div7.hw,
+ [CLKID_FCLK_DIV2P5_DIV] = &s4_fclk_div2p5_div.hw,
+ [CLKID_FCLK_DIV2P5] = &s4_fclk_div2p5.hw,
+ [CLKID_GP0_PLL_DCO] = &s4_gp0_pll_dco.hw,
+ [CLKID_GP0_PLL] = &s4_gp0_pll.hw,
+ [CLKID_HIFI_PLL_DCO] = &s4_hifi_pll_dco.hw,
+ [CLKID_HIFI_PLL] = &s4_hifi_pll.hw,
+ [CLKID_HDMI_PLL_DCO] = &s4_hdmi_pll_dco.hw,
+ [CLKID_HDMI_PLL_OD] = &s4_hdmi_pll_od.hw,
+ [CLKID_HDMI_PLL] = &s4_hdmi_pll.hw,
+ [CLKID_MPLL_50M_DIV] = &s4_mpll_50m_div.hw,
+ [CLKID_MPLL_50M] = &s4_mpll_50m.hw,
+ [CLKID_MPLL_PREDIV] = &s4_mpll_prediv.hw,
+ [CLKID_MPLL0_DIV] = &s4_mpll0_div.hw,
+ [CLKID_MPLL0] = &s4_mpll0.hw,
+ [CLKID_MPLL1_DIV] = &s4_mpll1_div.hw,
+ [CLKID_MPLL1] = &s4_mpll1.hw,
+ [CLKID_MPLL2_DIV] = &s4_mpll2_div.hw,
+ [CLKID_MPLL2] = &s4_mpll2.hw,
+ [CLKID_MPLL3_DIV] = &s4_mpll3_div.hw,
+ [CLKID_MPLL3] = &s4_mpll3.hw,
+};
+
+static struct clk_regmap *const s4_pll_clk_regmaps[] = {
+ &s4_fixed_pll_dco,
+ &s4_fixed_pll,
+ &s4_fclk_div2,
+ &s4_fclk_div3,
+ &s4_fclk_div4,
+ &s4_fclk_div5,
+ &s4_fclk_div7,
+ &s4_fclk_div2p5,
+ &s4_gp0_pll_dco,
+ &s4_gp0_pll,
+ &s4_hifi_pll_dco,
+ &s4_hifi_pll,
+ &s4_hdmi_pll_dco,
+ &s4_hdmi_pll_od,
+ &s4_hdmi_pll,
+ &s4_mpll_50m,
+ &s4_mpll0_div,
+ &s4_mpll0,
+ &s4_mpll1_div,
+ &s4_mpll1,
+ &s4_mpll2_div,
+ &s4_mpll2,
+ &s4_mpll3_div,
+ &s4_mpll3,
+};
+
+static const struct reg_sequence s4_init_regs[] = {
+ { .reg = ANACTRL_MPLL_CTRL0, .def = 0x00000543 },
+};
+
+static struct regmap_config clkc_regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+};
+
+static struct meson_clk_hw_data s4_pll_clks = {
+ .hws = s4_pll_hw_clks,
+ .num = ARRAY_SIZE(s4_pll_hw_clks),
+};
+
+static int meson_s4_pll_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct regmap *regmap;
+ void __iomem *base;
+ int ret, i;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return dev_err_probe(dev, PTR_ERR(base),
+ "can't ioremap resource\n");
+
+ regmap = devm_regmap_init_mmio(dev, base, &clkc_regmap_config);
+ if (IS_ERR(regmap))
+ return dev_err_probe(dev, PTR_ERR(regmap),
+ "can't init regmap mmio region\n");
+
+ ret = regmap_multi_reg_write(regmap, s4_init_regs, ARRAY_SIZE(s4_init_regs));
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Failed to init registers\n");
+
+ /* Populate regmap for the regmap backed clocks */
+ for (i = 0; i < ARRAY_SIZE(s4_pll_clk_regmaps); i++)
+ s4_pll_clk_regmaps[i]->map = regmap;
+
+ /* Register clocks */
+ for (i = 0; i < s4_pll_clks.num; i++) {
+ /* array might be sparse */
+ if (!s4_pll_clks.hws[i])
+ continue;
+
+ ret = devm_clk_hw_register(dev, s4_pll_clks.hws[i]);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "clock[%d] registration failed\n", i);
+ }
+
+ return devm_of_clk_add_hw_provider(dev, meson_clk_hw_get,
+ &s4_pll_clks);
+}
+
+static const struct of_device_id clkc_match_table[] = {
+ {
+ .compatible = "amlogic,s4-pll-clkc",
+ },
+ {}
+};
+
+static struct platform_driver s4_driver = {
+ .probe = meson_s4_pll_probe,
+ .driver = {
+ .name = "s4-pll-clkc",
+ .of_match_table = clkc_match_table,
+ },
+};
+
+module_platform_driver(s4_driver);
+MODULE_AUTHOR("Yu Tu <yu.tu@amlogic.com>");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 15:39:14 +0000