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SubjectRe: [PATCH 3/3] clk: meson-g12a: Add EE Clock controller driver
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On 2018/7/10 5:53, Martin Blumenstingl wrote:
> On Mon, Jul 9, 2018 at 1:14 PM Jian Hu <jian.hu@amlogic.com> wrote:
>>
>> Add a Clock driver for the Everyting-Else part
>> of the Amlogic Meson-G12A SoC.
>>
>> Signed-off-by: Jian Hu <jian.hu@amlogic.com>
>> ---
>> drivers/clk/meson/Kconfig | 10 +
>> drivers/clk/meson/Makefile | 1 +
>> drivers/clk/meson/g12a.c | 992 +++++++++++++++++++++++++++++++++++++++++++++
>> drivers/clk/meson/g12a.h | 123 ++++++
>> 4 files changed, 1126 insertions(+)
>> create mode 100644 drivers/clk/meson/g12a.c
>> create mode 100644 drivers/clk/meson/g12a.h
>>
>> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
>> index d5cbec5..94a82f73 100644
>> --- a/drivers/clk/meson/Kconfig
>> +++ b/drivers/clk/meson/Kconfig
>> @@ -36,3 +36,13 @@ config COMMON_CLK_AXG
>> help
>> Support for the clock controller on AmLogic A113D devices, aka axg.
>> Say Y if you want peripherals and CPU frequency scaling to work.
>> +
>> +config COMMON_CLK_G12A
>> + bool
>> + depends on COMMON_CLK_AMLOGIC
>> + select RESET_CONTROLLER
>> + select COMMON_CLK_REGMAP_MESON
>> + select MFD_SYSCON
>> + help
>> + Support for the clock controller on AmLogic U400 devices, aka g12a.
>> + Say Y if you want peripherals and CPU frequency scaling to work.
>> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
>> index fa6d1e3..45d107c 100644
>> --- a/drivers/clk/meson/Makefile
>> +++ b/drivers/clk/meson/Makefile
>> @@ -6,4 +6,5 @@ obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-mpll.o clk-audio-divider.o
>> obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o
>> obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o meson-aoclk.o gxbb-aoclk.o gxbb-aoclk-32k.o
>> obj-$(CONFIG_COMMON_CLK_AXG) += axg.o meson-aoclk.o axg-aoclk.o
>> +obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o
>> obj-$(CONFIG_COMMON_CLK_REGMAP_MESON) += clk-regmap.o
>> diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c
>> new file mode 100644
>> index 0000000..3675697
>> --- /dev/null
>> +++ b/drivers/clk/meson/g12a.c
>> @@ -0,0 +1,992 @@
>> +// SPDX-License-Identifier: GPL-2.0+
>> +/*
>> + * AmLogic Meson-G12A Clock Controller Driver
>> + *
>> + * Copyright (c) 2016 Baylibre SAS.
>> + * Author: Michael Turquette <mturquette@baylibre.com>
>> + *
>> + * Copyright (c) 2018 Amlogic, inc.
>> + * Author: Jian Hu <jian.hu@amlogic.com>
>> + * Author: Qiufang Dai <qiufang.dai@amlogic.com>
>> + */
>> +
>> +#include <linux/clk.h>
>> +#include <linux/clk-provider.h>
>> +#include <linux/init.h>
>> +#include <linux/of_device.h>
>> +#include <linux/mfd/syscon.h>
>> +#include <linux/platform_device.h>
>> +#include <linux/regmap.h>
>> +
>> +#include "clkc.h"
>> +#include "g12a.h"
>> +
>> +static DEFINE_SPINLOCK(meson_clk_lock);
>> +
>> +static struct clk_regmap g12a_fixed_pll = {
>> + .data = &(struct meson_clk_pll_data){
>> + .m = {
>> + .reg_off = HHI_FIX_PLL_CNTL0,
>> + .shift = 0,
>> + .width = 8,
>> + },
>> + .n = {
>> + .reg_off = HHI_FIX_PLL_CNTL0,
>> + .shift = 10,
>> + .width = 5,
>> + },
>> + .od = {
>> + .reg_off = HHI_FIX_PLL_CNTL0,
>> + .shift = 16,
>> + .width = 2,
>> + },
>> + .frac = {
>> + .reg_off = HHI_FIX_PLL_CNTL1,
>> + .shift = 0,
>> + .width = 19,
>> + },
>> + .l = {
>> + .reg_off = HHI_FIX_PLL_CNTL0,
>> + .shift = 31,
>> + .width = 1,
>> + },
>> + .rst = {
>> + .reg_off = HHI_FIX_PLL_CNTL0,
>> + .shift = 29,
>> + .width = 1,
>> + },
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "fixed_pll",
>> + .ops = &meson_clk_pll_ro_ops,
>> + .parent_names = (const char *[]){ "xtal" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static const struct reg_sequence g12a_sys_init_regs[] = {
>> + { .reg = HHI_SYS_PLL_CNTL1, .def = 0x00000000 },
>> + { .reg = HHI_SYS_PLL_CNTL2, .def = 0x00000000 },
>> + { .reg = HHI_SYS_PLL_CNTL3, .def = 0x48681c00 },
>> + { .reg = HHI_SYS_PLL_CNTL4, .def = 0x88770290 },
>> + { .reg = HHI_SYS_PLL_CNTL5, .def = 0x39272000 },
>> + { .reg = HHI_SYS_PLL_CNTL6, .def = 0x56540000 },
>> +};
>> +
>> +static struct clk_regmap g12a_sys_pll = {
>> + .data = &(struct meson_clk_pll_data){
>> + .m = {
>> + .reg_off = HHI_SYS_PLL_CNTL0,
>> + .shift = 0,
>> + .width = 8,
>> + },
>> + .n = {
>> + .reg_off = HHI_SYS_PLL_CNTL0,
>> + .shift = 10,
>> + .width = 5,
>> + },
>> + .od = {
>> + .reg_off = HHI_SYS_PLL_CNTL0,
>> + .shift = 16,
>> + .width = 3,
>> + },
>> + .l = {
>> + .reg_off = HHI_SYS_PLL_CNTL0,
>> + .shift = 31,
>> + .width = 1,
>> + },
>> + .rst = {
>> + .reg_off = HHI_SYS_PLL_CNTL0,
>> + .shift = 29,
>> + .width = 1,
>> + },
>> + .init_regs = g12a_sys_init_regs,
>> + .init_count = ARRAY_SIZE(g12a_sys_init_regs),
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "sys_pll",
>> + .ops = &meson_clk_pll_ro_ops,
>> + .parent_names = (const char *[]){ "xtal" },
>> + .num_parents = 1,
>> + .flags = CLK_GET_RATE_NOCACHE,
>> + },
>> +};
>> +
>> +static const struct pll_rate_table g12a_gp0_pll_rate_table[] = {
>> + PLL_RATE(24000000, 128, 1, 7),
>> + PLL_RATE(48000000, 128, 1, 6),
>> + PLL_RATE(96000000, 128, 1, 5),
>> + PLL_RATE(192000000, 128, 1, 4),
>> + PLL_RATE(312000000, 208, 1, 4),
>> + PLL_RATE(408000000, 136, 1, 3),
>> + PLL_RATE(600000000, 200, 1, 3),
>> + PLL_RATE(696000000, 232, 1, 3),
>> + PLL_RATE(792000000, 132, 1, 2),
>> + PLL_RATE(846000000, 141, 1, 2),
>> + PLL_RATE(912000000, 152, 1, 2),
>> + PLL_RATE(1008000000, 168, 1, 2),
>> + PLL_RATE(1104000000, 184, 1, 2),
>> + PLL_RATE(1200000000, 200, 1, 2),
>> + PLL_RATE(1296000000, 216, 1, 2),
>> + PLL_RATE(1398000000, 233, 1, 2),
>> + PLL_RATE(1494000000, 249, 1, 2),
>> + PLL_RATE(1512000000, 126, 1, 1),
>> + PLL_RATE(1608000000, 134, 1, 1),
>> + PLL_RATE(1704000000, 142, 1, 1),
>> + PLL_RATE(1800000000, 150, 1, 1),
>> + PLL_RATE(1896000000, 158, 1, 1),
>> + PLL_RATE(1908000000, 159, 1, 1),
>> + PLL_RATE(1920000000, 160, 1, 1),
>> + PLL_RATE(2016000000, 168, 1, 1),
>> + PLL_RATE(2100000000, 175, 1, 1),
>> + PLL_RATE(2196000000, 183, 1, 1),
>> + PLL_RATE(2292000000, 191, 1, 1),
>> + PLL_RATE(2400000000, 200, 1, 1),
>> + PLL_RATE(2496000000, 208, 1, 1),
>> + PLL_RATE(2592000000, 216, 1, 1),
>> + PLL_RATE(2700000000, 225, 1, 1),
>> + PLL_RATE(2796000000, 233, 1, 1),
>> + PLL_RATE(2892000000, 241, 1, 1),
>> + PLL_RATE(3000000000, 125, 1, 0),
>> + PLL_RATE(3096000000, 129, 1, 0),
>> + PLL_RATE(3192000000, 133, 1, 0),
>> + PLL_RATE(3288000000, 137, 1, 0),
>> + PLL_RATE(3408000000, 142, 1, 0),
>> + PLL_RATE(3504000000, 146, 1, 0),
>> + PLL_RATE(3600000000, 150, 1, 0),
>> + PLL_RATE(3696000000, 154, 1, 0),
>> + PLL_RATE(3792000000, 158, 1, 0),
>> + PLL_RATE(3888000000, 162, 1, 0),
>> + PLL_RATE(4008000000, 167, 1, 0),
>> + PLL_RATE(4104000000, 171, 1, 0),
>> + PLL_RATE(4200000000, 175, 1, 0),
>> + PLL_RATE(4296000000, 179, 1, 0),
>> + PLL_RATE(4392000000, 183, 1, 0),
>> + PLL_RATE(4488000000, 187, 1, 0),
>> + PLL_RATE(4608000000, 192, 1, 0),
>> + PLL_RATE(4704000000, 196, 1, 0),
>> + PLL_RATE(4800000000, 200, 1, 0),
>> + PLL_RATE(4896000000, 204, 1, 0),
>> + PLL_RATE(4992000000, 208, 1, 0),
>> + PLL_RATE(5088000000, 212, 1, 0),
>> + PLL_RATE(5208000000, 217, 1, 0),
>> + PLL_RATE(5304000000, 221, 1, 0),
>> + PLL_RATE(5400000000, 225, 1, 0),
>> + PLL_RATE(5496000000, 229, 1, 0),
>> + PLL_RATE(5592000000, 233, 1, 0),
>> + PLL_RATE(5688000000, 237, 1, 0),
>> + PLL_RATE(5808000000, 242, 1, 0),
>> + PLL_RATE(5904000000, 246, 1, 0),
>> + PLL_RATE(6000000000, 250, 1, 0),
>> + { /* sentinel */ },
>> +};
>> +
>> +static const struct reg_sequence g12a_gp0_init_regs[] = {
>> + { .reg = HHI_GP0_PLL_CNTL1, .def = 0x00000000 },
>> + { .reg = HHI_GP0_PLL_CNTL2, .def = 0x00000000 },
>> + { .reg = HHI_GP0_PLL_CNTL3, .def = 0x48681c00 },
>> + { .reg = HHI_GP0_PLL_CNTL4, .def = 0x33771290 },
>> + { .reg = HHI_GP0_PLL_CNTL5, .def = 0x39272000 },
>> + { .reg = HHI_GP0_PLL_CNTL6, .def = 0x56540000 },
>> +};
>> +
>> +static struct clk_regmap g12a_gp0_pll = {
>> + .data = &(struct meson_clk_pll_data){
>> + .m = {
>> + .reg_off = HHI_GP0_PLL_CNTL0,
>> + .shift = 0,
>> + .width = 8,
>> + },
>> + .n = {
>> + .reg_off = HHI_GP0_PLL_CNTL0,
>> + .shift = 10,
>> + .width = 5,
>> + },
>> + .od = {
>> + .reg_off = HHI_GP0_PLL_CNTL0,
>> + .shift = 16,
>> + .width = 3,
>> + },
>> + .frac = {
>> + .reg_off = HHI_GP0_PLL_CNTL1,
>> + .shift = 0,
>> + .width = 19,
>> + },
>> + .l = {
>> + .reg_off = HHI_GP0_PLL_CNTL0,
>> + .shift = 31,
>> + .width = 1,
>> + },
>> + .rst = {
>> + .reg_off = HHI_GP0_PLL_CNTL0,
>> + .shift = 29,
>> + .width = 1,
>> + },
>> + .table = g12a_gp0_pll_rate_table,
>> + .init_regs = g12a_gp0_init_regs,
>> + .init_count = ARRAY_SIZE(g12a_gp0_init_regs),
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "gp0_pll",
>> + .ops = &meson_clk_pll_ops,
>> + .parent_names = (const char *[]){ "xtal" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static const struct reg_sequence g12a_hifi_init_regs[] = {
>> + { .reg = HHI_HIFI_PLL_CNTL1, .def = 0x00000000 },
>> + { .reg = HHI_HIFI_PLL_CNTL2, .def = 0x00000000 },
>> + { .reg = HHI_HIFI_PLL_CNTL3, .def = 0x6a285c00 },
>> + { .reg = HHI_HIFI_PLL_CNTL4, .def = 0x65771290 },
>> + { .reg = HHI_HIFI_PLL_CNTL5, .def = 0x39272000 },
>> + { .reg = HHI_HIFI_PLL_CNTL6, .def = 0x56540000 },
>> +};
>> +
>> +static struct clk_regmap g12a_hifi_pll = {
>> + .data = &(struct meson_clk_pll_data){
>> + .m = {
>> + .reg_off = HHI_HIFI_PLL_CNTL0,
>> + .shift = 0,
>> + .width = 8,
>> + },
>> + .n = {
>> + .reg_off = HHI_HIFI_PLL_CNTL0,
>> + .shift = 10,
>> + .width = 5,
>> + },
>> + .od = {
>> + .reg_off = HHI_HIFI_PLL_CNTL0,
>> + .shift = 16,
>> + .width = 2,
>> + },
>> + .frac = {
>> + .reg_off = HHI_HIFI_PLL_CNTL1,
>> + .shift = 0,
>> + .width = 19,
>> + },
>> + .l = {
>> + .reg_off = HHI_HIFI_PLL_CNTL0,
>> + .shift = 31,
>> + .width = 1,
>> + },
>> + .rst = {
>> + .reg_off = HHI_HIFI_PLL_CNTL0,
>> + .shift = 29,
>> + .width = 1,
>> + },
>> + .table = g12a_gp0_pll_rate_table,
>> + .init_regs = g12a_hifi_init_regs,
>> + .init_count = ARRAY_SIZE(g12a_hifi_init_regs),
>> + .flags = CLK_MESON_PLL_ROUND_CLOSEST,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "hifi_pll",
>> + .ops = &meson_clk_pll_ops,
>> + .parent_names = (const char *[]){ "xtal" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_fixed_factor g12a_fclk_div2 = {
>> + .mult = 1,
>> + .div = 2,
>> + .hw.init = &(struct clk_init_data){
>> + .name = "fclk_div2",
>> + .ops = &clk_fixed_factor_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_fixed_factor g12a_fclk_div3 = {
>> + .mult = 1,
>> + .div = 3,
>> + .hw.init = &(struct clk_init_data){
>> + .name = "fclk_div3",
>> + .ops = &clk_fixed_factor_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_fixed_factor g12a_fclk_div4 = {
>> + .mult = 1,
>> + .div = 4,
>> + .hw.init = &(struct clk_init_data){
>> + .name = "fclk_div4",
>> + .ops = &clk_fixed_factor_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_fixed_factor g12a_fclk_div5 = {
>> + .mult = 1,
>> + .div = 5,
>> + .hw.init = &(struct clk_init_data){
>> + .name = "fclk_div5",
>> + .ops = &clk_fixed_factor_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_fixed_factor g12a_fclk_div7 = {
>> + .mult = 1,
>> + .div = 7,
>> + .hw.init = &(struct clk_init_data){
>> + .name = "fclk_div7",
>> + .ops = &clk_fixed_factor_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpll0_div = {
>> + .data = &(struct meson_clk_mpll_data){
>> + .sdm = {
>> + .reg_off = HHI_MPLL_CNTL1,
>> + .shift = 0,
>> + .width = 14,
>> + },
>> + .sdm_en = {
>> + .reg_off = HHI_MPLL_CNTL1,
>> + .shift = 30,
>> + .width = 1,
>> + },
>> + .n2 = {
>> + .reg_off = HHI_MPLL_CNTL1,
>> + .shift = 20,
>> + .width = 9,
>> + },
>> + .ssen = {
>> + .reg_off = HHI_MPLL_CNTL1,
>> + .shift = 29,
>> + .width = 1,
>> + },
>> + .lock = &meson_clk_lock,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpll0_div",
>> + .ops = &meson_clk_mpll_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpll0 = {
>> + .data = &(struct clk_regmap_gate_data){
>> + .offset = HHI_MPLL_CNTL1,
>> + .bit_idx = 31,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpll0",
>> + .ops = &clk_regmap_gate_ops,
>> + .parent_names = (const char *[]){ "mpll0_div" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpll1_div = {
>> + .data = &(struct meson_clk_mpll_data){
>> + .sdm = {
>> + .reg_off = HHI_MPLL_CNTL3,
>> + .shift = 0,
>> + .width = 14,
>> + },
>> + .sdm_en = {
>> + .reg_off = HHI_MPLL_CNTL3,
>> + .shift = 30,
>> + .width = 1,
>> + },
>> + .n2 = {
>> + .reg_off = HHI_MPLL_CNTL3,
>> + .shift = 20,
>> + .width = 9,
>> + },
>> + .ssen = {
>> + .reg_off = HHI_MPLL_CNTL3,
>> + .shift = 29,
>> + .width = 1,
>> + },
>> + .lock = &meson_clk_lock,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpll1_div",
>> + .ops = &meson_clk_mpll_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpll1 = {
>> + .data = &(struct clk_regmap_gate_data){
>> + .offset = HHI_MPLL_CNTL3,
>> + .bit_idx = 31,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpll1",
>> + .ops = &clk_regmap_gate_ops,
>> + .parent_names = (const char *[]){ "mpll1_div" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpll2_div = {
>> + .data = &(struct meson_clk_mpll_data){
>> + .sdm = {
>> + .reg_off = HHI_MPLL_CNTL5,
>> + .shift = 0,
>> + .width = 14,
>> + },
>> + .sdm_en = {
>> + .reg_off = HHI_MPLL_CNTL5,
>> + .shift = 30,
>> + .width = 1,
>> + },
>> + .n2 = {
>> + .reg_off = HHI_MPLL_CNTL5,
>> + .shift = 20,
>> + .width = 9,
>> + },
>> + .ssen = {
>> + .reg_off = HHI_MPLL_CNTL5,
>> + .shift = 29,
>> + .width = 1,
>> + },
>> + .lock = &meson_clk_lock,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpll2_div",
>> + .ops = &meson_clk_mpll_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpll2 = {
>> + .data = &(struct clk_regmap_gate_data){
>> + .offset = HHI_MPLL_CNTL5,
>> + .bit_idx = 31,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpll2",
>> + .ops = &clk_regmap_gate_ops,
>> + .parent_names = (const char *[]){ "mpll2_div" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpll3_div = {
>> + .data = &(struct meson_clk_mpll_data){
>> + .sdm = {
>> + .reg_off = HHI_MPLL_CNTL7,
>> + .shift = 0,
>> + .width = 14,
>> + },
>> + .sdm_en = {
>> + .reg_off = HHI_MPLL_CNTL7,
>> + .shift = 30,
>> + .width = 1,
>> + },
>> + .n2 = {
>> + .reg_off = HHI_MPLL_CNTL7,
>> + .shift = 20,
>> + .width = 9,
>> + },
>> + .ssen = {
>> + .reg_off = HHI_MPLL_CNTL7,
>> + .shift = 29,
>> + .width = 1,
>> + },
>> + .lock = &meson_clk_lock,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpll3_div",
>> + .ops = &meson_clk_mpll_ops,
>> + .parent_names = (const char *[]){ "fixed_pll" },
>> + .num_parents = 1,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpll3 = {
>> + .data = &(struct clk_regmap_gate_data){
>> + .offset = HHI_MPLL_CNTL7,
>> + .bit_idx = 31,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpll3",
>> + .ops = &clk_regmap_gate_ops,
>> + .parent_names = (const char *[]){ "mpll3_div" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 };
>> +static const char * const clk81_parent_names[] = {
>> + "xtal", "fclk_div7", "mpll1", "mpll2", "fclk_div4",
>> + "fclk_div3", "fclk_div5"
>> +};
>> +
>> +static struct clk_regmap g12a_mpeg_clk_sel = {
>> + .data = &(struct clk_regmap_mux_data){
>> + .offset = HHI_MPEG_CLK_CNTL,
>> + .mask = 0x7,
>> + .shift = 12,
>> + .table = mux_table_clk81,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpeg_clk_sel",
>> + .ops = &clk_regmap_mux_ro_ops,
>> + .parent_names = clk81_parent_names,
>> + .num_parents = ARRAY_SIZE(clk81_parent_names),
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_mpeg_clk_div = {
>> + .data = &(struct clk_regmap_div_data){
>> + .offset = HHI_MPEG_CLK_CNTL,
>> + .shift = 0,
>> + .width = 7,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "mpeg_clk_div",
>> + .ops = &clk_regmap_divider_ops,
>> + .parent_names = (const char *[]){ "mpeg_clk_sel" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_clk81 = {
>> + .data = &(struct clk_regmap_gate_data){
>> + .offset = HHI_MPEG_CLK_CNTL,
>> + .bit_idx = 7,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "clk81",
>> + .ops = &clk_regmap_gate_ops,
>> + .parent_names = (const char *[]){ "mpeg_clk_div" },
>> + .num_parents = 1,
>> + .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
>> + },
>> +};
>> +
>> +static const char * const g12a_sd_emmc_clk0_parent_names[] = {
>> + "xtal", "fclk_div2", "fclk_div3", "fclk_div5", "fclk_div7",
>> +
>> + /*
>> + * Following these parent clocks, we should also have had mpll2, mpll3
>> + * and gp0_pll but these clocks are too precious to be used here. All
>> + * the necessary rates for MMC and NAND operation can be acheived using
>> + * xtal or fclk_div clocks
>> + */
>> +};
>> +
>> +/* SDcard clock */
>> +static struct clk_regmap g12a_sd_emmc_b_clk0_sel = {
>> + .data = &(struct clk_regmap_mux_data){
>> + .offset = HHI_SD_EMMC_CLK_CNTL,
>> + .mask = 0x7,
>> + .shift = 25,
>> + },
>> + .hw.init = &(struct clk_init_data) {
>> + .name = "sd_emmc_b_clk0_sel",
>> + .ops = &clk_regmap_mux_ops,
>> + .parent_names = g12a_sd_emmc_clk0_parent_names,
>> + .num_parents = ARRAY_SIZE(g12a_sd_emmc_clk0_parent_names),
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_sd_emmc_b_clk0_div = {
>> + .data = &(struct clk_regmap_div_data){
>> + .offset = HHI_SD_EMMC_CLK_CNTL,
>> + .shift = 16,
>> + .width = 7,
>> + .flags = CLK_DIVIDER_ROUND_CLOSEST,
>> + },
>> + .hw.init = &(struct clk_init_data) {
>> + .name = "sd_emmc_b_clk0_div",
>> + .ops = &clk_regmap_divider_ops,
>> + .parent_names = (const char *[]){ "sd_emmc_b_clk0_sel" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_sd_emmc_b_clk0 = {
>> + .data = &(struct clk_regmap_gate_data){
>> + .offset = HHI_SD_EMMC_CLK_CNTL,
>> + .bit_idx = 23,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "sd_emmc_b_clk0",
>> + .ops = &clk_regmap_gate_ops,
>> + .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +/* EMMC/NAND clock */
>> +static struct clk_regmap g12a_sd_emmc_c_clk0_sel = {
>> + .data = &(struct clk_regmap_mux_data){
>> + .offset = HHI_NAND_CLK_CNTL,
>> + .mask = 0x7,
>> + .shift = 9,
>> + },
>> + .hw.init = &(struct clk_init_data) {
>> + .name = "sd_emmc_c_clk0_sel",
>> + .ops = &clk_regmap_mux_ops,
>> + .parent_names = g12a_sd_emmc_clk0_parent_names,
>> + .num_parents = ARRAY_SIZE(g12a_sd_emmc_clk0_parent_names),
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_sd_emmc_c_clk0_div = {
>> + .data = &(struct clk_regmap_div_data){
>> + .offset = HHI_NAND_CLK_CNTL,
>> + .shift = 0,
>> + .width = 7,
>> + .flags = CLK_DIVIDER_ROUND_CLOSEST,
>> + },
>> + .hw.init = &(struct clk_init_data) {
>> + .name = "sd_emmc_c_clk0_div",
>> + .ops = &clk_regmap_divider_ops,
>> + .parent_names = (const char *[]){ "sd_emmc_c_clk0_sel" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +static struct clk_regmap g12a_sd_emmc_c_clk0 = {
>> + .data = &(struct clk_regmap_gate_data){
>> + .offset = HHI_NAND_CLK_CNTL,
>> + .bit_idx = 7,
>> + },
>> + .hw.init = &(struct clk_init_data){
>> + .name = "sd_emmc_c_clk0",
>> + .ops = &clk_regmap_gate_ops,
>> + .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" },
>> + .num_parents = 1,
>> + .flags = CLK_SET_RATE_PARENT,
>> + },
>> +};
>> +
>> +/* Everything Else (EE) domain gates */
>> +static MESON_GATE(g12a_ddr, HHI_GCLK_MPEG0, 0);
>> +static MESON_GATE(g12a_dos, HHI_GCLK_MPEG0, 1);
>> +static MESON_GATE(g12a_audio_locker, HHI_GCLK_MPEG0, 2);
>> +static MESON_GATE(g12a_mipi_dsi_host, HHI_GCLK_MPEG0, 3);
>> +static MESON_GATE(g12a_eth_phy, HHI_GCLK_MPEG0, 4);
>> +static MESON_GATE(g12a_isa, HHI_GCLK_MPEG0, 5);
>> +static MESON_GATE(g12a_pl301, HHI_GCLK_MPEG0, 6);
>> +static MESON_GATE(g12a_periphs, HHI_GCLK_MPEG0, 7);
>> +static MESON_GATE(g12a_spicc_0, HHI_GCLK_MPEG0, 8);
>> +static MESON_GATE(g12a_i2c, HHI_GCLK_MPEG0, 9);
>> +static MESON_GATE(g12a_sana, HHI_GCLK_MPEG0, 10);
>> +static MESON_GATE(g12a_sd, HHI_GCLK_MPEG0, 11);
>> +static MESON_GATE(g12a_rng0, HHI_GCLK_MPEG0, 12);
>> +static MESON_GATE(g12a_uart0, HHI_GCLK_MPEG0, 13);
>> +static MESON_GATE(g12a_spicc_1, HHI_GCLK_MPEG0, 14);
>> +static MESON_GATE(g12a_hiu_reg, HHI_GCLK_MPEG0, 19);
>> +static MESON_GATE(g12a_mipi_dsi_phy, HHI_GCLK_MPEG0, 20);
>> +static MESON_GATE(g12a_assist_misc, HHI_GCLK_MPEG0, 23);
>> +static MESON_GATE(g12a_emmc_a, HHI_GCLK_MPEG0, 24);
>> +static MESON_GATE(g12a_emmc_b, HHI_GCLK_MPEG0, 25);
>> +static MESON_GATE(g12a_emmc_c, HHI_GCLK_MPEG0, 26);
>> +static MESON_GATE(g12a_audio_codec, HHI_GCLK_MPEG0, 28);
>> +
>> +static MESON_GATE(g12a_audio, HHI_GCLK_MPEG1, 0);
>> +static MESON_GATE(g12a_eth_core, HHI_GCLK_MPEG1, 3);
>> +static MESON_GATE(g12a_demux, HHI_GCLK_MPEG1, 4);
>> +static MESON_GATE(g12a_audio_ififo, HHI_GCLK_MPEG1, 11);
>> +static MESON_GATE(g12a_adc, HHI_GCLK_MPEG1, 13);
>> +static MESON_GATE(g12a_uart1, HHI_GCLK_MPEG1, 16);
>> +static MESON_GATE(g12a_g2d, HHI_GCLK_MPEG1, 20);
>> +static MESON_GATE(g12a_reset, HHI_GCLK_MPEG1, 23);
>> +static MESON_GATE(g12a_pcie_comb, HHI_GCLK_MPEG1, 24);
>> +static MESON_GATE(g12a_parser, HHI_GCLK_MPEG1, 25);
>> +static MESON_GATE(g12a_usb_general, HHI_GCLK_MPEG1, 26);
>> +static MESON_GATE(g12a_pcie_phy, HHI_GCLK_MPEG1, 27);
>> +static MESON_GATE(g12a_ahb_arb0, HHI_GCLK_MPEG1, 29);
>> +
>> +static MESON_GATE(g12a_ahb_data_bus, HHI_GCLK_MPEG2, 1);
>> +static MESON_GATE(g12a_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2);
>> +static MESON_GATE(g12a_htx_hdcp22, HHI_GCLK_MPEG2, 3);
>> +static MESON_GATE(g12a_htx_pclk, HHI_GCLK_MPEG2, 4);
>> +static MESON_GATE(g12a_bt656, HHI_GCLK_MPEG2, 6);
>> +static MESON_GATE(g12a_usb1_to_ddr, HHI_GCLK_MPEG2, 8);
>> +static MESON_GATE(g12a_mmc_pclk, HHI_GCLK_MPEG2, 11);
>> +static MESON_GATE(g12a_uart2, HHI_GCLK_MPEG2, 15);
>> +static MESON_GATE(g12a_vpu_intr, HHI_GCLK_MPEG2, 25);
>> +static MESON_GATE(g12a_gic, HHI_GCLK_MPEG2, 30);
>> +
>> +static MESON_GATE(g12a_vclk2_venci0, HHI_GCLK_OTHER, 1);
>> +static MESON_GATE(g12a_vclk2_venci1, HHI_GCLK_OTHER, 2);
>> +static MESON_GATE(g12a_vclk2_vencp0, HHI_GCLK_OTHER, 3);
>> +static MESON_GATE(g12a_vclk2_vencp1, HHI_GCLK_OTHER, 4);
>> +static MESON_GATE(g12a_vclk2_venct0, HHI_GCLK_OTHER, 5);
>> +static MESON_GATE(g12a_vclk2_venct1, HHI_GCLK_OTHER, 6);
>> +static MESON_GATE(g12a_vclk2_other, HHI_GCLK_OTHER, 7);
>> +static MESON_GATE(g12a_vclk2_enci, HHI_GCLK_OTHER, 8);
>> +static MESON_GATE(g12a_vclk2_encp, HHI_GCLK_OTHER, 9);
>> +static MESON_GATE(g12a_dac_clk, HHI_GCLK_OTHER, 10);
>> +static MESON_GATE(g12a_aoclk_gate, HHI_GCLK_OTHER, 14);
>> +static MESON_GATE(g12a_iec958_gate, HHI_GCLK_OTHER, 16);
>> +static MESON_GATE(g12a_enc480p, HHI_GCLK_OTHER, 20);
>> +static MESON_GATE(g12a_rng1, HHI_GCLK_OTHER, 21);
>> +static MESON_GATE(g12a_vclk2_enct, HHI_GCLK_OTHER, 22);
>> +static MESON_GATE(g12a_vclk2_encl, HHI_GCLK_OTHER, 23);
>> +static MESON_GATE(g12a_vclk2_venclmmc, HHI_GCLK_OTHER, 24);
>> +static MESON_GATE(g12a_vclk2_vencl, HHI_GCLK_OTHER, 25);
>> +static MESON_GATE(g12a_vclk2_other1, HHI_GCLK_OTHER, 26);
>> +
>> +/* Array of all clocks provided by this provider */
>> +
>> +static struct clk_hw_onecell_data g12a_hw_onecell_data = {
>> + .hws = {
>> + [CLKID_SYS_PLL] = &g12a_sys_pll.hw,
>> + [CLKID_FIXED_PLL] = &g12a_fixed_pll.hw,
>> + [CLKID_FCLK_DIV2] = &g12a_fclk_div2.hw,
>> + [CLKID_FCLK_DIV3] = &g12a_fclk_div3.hw,
>> + [CLKID_FCLK_DIV4] = &g12a_fclk_div4.hw,
>> + [CLKID_FCLK_DIV5] = &g12a_fclk_div5.hw,
>> + [CLKID_FCLK_DIV7] = &g12a_fclk_div7.hw,
>> + [CLKID_GP0_PLL] = &g12a_gp0_pll.hw,
>> + [CLKID_MPEG_SEL] = &g12a_mpeg_clk_sel.hw,
>> + [CLKID_MPEG_DIV] = &g12a_mpeg_clk_div.hw,
>> + [CLKID_CLK81] = &g12a_clk81.hw,
>> + [CLKID_MPLL0] = &g12a_mpll0.hw,
>> + [CLKID_MPLL1] = &g12a_mpll1.hw,
>> + [CLKID_MPLL2] = &g12a_mpll2.hw,
>> + [CLKID_MPLL3] = &g12a_mpll3.hw,
>> + [CLKID_DDR] = &g12a_ddr.hw,
>> + [CLKID_DOS] = &g12a_dos.hw,
>> + [CLKID_AUDIO_LOCKER] = &g12a_audio_locker.hw,
>> + [CLKID_MIPI_DSI_HOST] = &g12a_mipi_dsi_host.hw,
>> + [CLKID_ETH_PHY] = &g12a_eth_phy.hw,
>> + [CLKID_ISA] = &g12a_isa.hw,
>> + [CLKID_PL301] = &g12a_pl301.hw,
>> + [CLKID_PERIPHS] = &g12a_periphs.hw,
>> + [CLKID_SPICC0] = &g12a_spicc_0.hw,
>> + [CLKID_I2C] = &g12a_i2c.hw,
>> + [CLKID_SANA] = &g12a_sana.hw,
>> + [CLKID_SD] = &g12a_sd.hw,
>> + [CLKID_RNG0] = &g12a_rng0.hw,
>> + [CLKID_UART0] = &g12a_uart0.hw,
>> + [CLKID_SPICC1] = &g12a_spicc_1.hw,
>> + [CLKID_HIU_IFACE] = &g12a_hiu_reg.hw,
>> + [CLKID_MIPI_DSI_PHY] = &g12a_mipi_dsi_phy.hw,
>> + [CLKID_ASSIST_MISC] = &g12a_assist_misc.hw,
>> + [CLKID_SD_EMMC_A] = &g12a_emmc_a.hw,
>> + [CLKID_SD_EMMC_B] = &g12a_emmc_b.hw,
>> + [CLKID_SD_EMMC_C] = &g12a_emmc_c.hw,
>> + [CLKID_AUDIO_CODEC] = &g12a_audio_codec.hw,
>> + [CLKID_AUDIO] = &g12a_audio.hw,
>> + [CLKID_ETH] = &g12a_eth_core.hw,
>> + [CLKID_DEMUX] = &g12a_demux.hw,
>> + [CLKID_AUDIO_IFIFO] = &g12a_audio_ififo.hw,
>> + [CLKID_ADC] = &g12a_adc.hw,
>> + [CLKID_UART1] = &g12a_uart1.hw,
>> + [CLKID_G2D] = &g12a_g2d.hw,
>> + [CLKID_RESET] = &g12a_reset.hw,
>> + [CLKID_PCIE_COMB] = &g12a_pcie_comb.hw,
>> + [CLKID_PARSER] = &g12a_parser.hw,
>> + [CLKID_USB] = &g12a_usb_general.hw,
>> + [CLKID_PCIE_PHY] = &g12a_pcie_phy.hw,
>> + [CLKID_AHB_ARB0] = &g12a_ahb_arb0.hw,
>> + [CLKID_AHB_DATA_BUS] = &g12a_ahb_data_bus.hw,
>> + [CLKID_AHB_CTRL_BUS] = &g12a_ahb_ctrl_bus.hw,
>> + [CLKID_HTX_HDCP22] = &g12a_htx_hdcp22.hw,
>> + [CLKID_HTX_PCLK] = &g12a_htx_pclk.hw,
>> + [CLKID_BT656] = &g12a_bt656.hw,
>> + [CLKID_USB1_DDR_BRIDGE] = &g12a_usb1_to_ddr.hw,
>> + [CLKID_MMC_PCLK] = &g12a_mmc_pclk.hw,
>> + [CLKID_UART2] = &g12a_uart2.hw,
>> + [CLKID_VPU_INTR] = &g12a_vpu_intr.hw,
>> + [CLKID_GIC] = &g12a_gic.hw,
>> + [CLKID_SD_EMMC_B_CLK0_SEL] = &g12a_sd_emmc_b_clk0_sel.hw,
>> + [CLKID_SD_EMMC_B_CLK0_DIV] = &g12a_sd_emmc_b_clk0_div.hw,
>> + [CLKID_SD_EMMC_B_CLK0] = &g12a_sd_emmc_b_clk0.hw,
>> + [CLKID_SD_EMMC_C_CLK0_SEL] = &g12a_sd_emmc_c_clk0_sel.hw,
>> + [CLKID_SD_EMMC_C_CLK0_DIV] = &g12a_sd_emmc_c_clk0_div.hw,
>> + [CLKID_SD_EMMC_C_CLK0] = &g12a_sd_emmc_c_clk0.hw,
>> + [CLKID_MPLL0_DIV] = &g12a_mpll0_div.hw,
>> + [CLKID_MPLL1_DIV] = &g12a_mpll1_div.hw,
>> + [CLKID_MPLL2_DIV] = &g12a_mpll2_div.hw,
>> + [CLKID_MPLL3_DIV] = &g12a_mpll3_div.hw,
>> + [CLKID_HIFI_PLL] = &g12a_hifi_pll.hw,
>> + [CLKID_VCLK2_VENCI0] = &g12a_vclk2_venci0.hw,
>> + [CLKID_VCLK2_VENCI1] = &g12a_vclk2_venci1.hw,
>> + [CLKID_VCLK2_VENCP0] = &g12a_vclk2_vencp0.hw,
>> + [CLKID_VCLK2_VENCP1] = &g12a_vclk2_vencp1.hw,
>> + [CLKID_VCLK2_VENCT0] = &g12a_vclk2_venct0.hw,
>> + [CLKID_VCLK2_VENCT1] = &g12a_vclk2_venct1.hw,
>> + [CLKID_VCLK2_OTHER] = &g12a_vclk2_other.hw,
>> + [CLKID_VCLK2_ENCI] = &g12a_vclk2_enci.hw,
>> + [CLKID_VCLK2_ENCP] = &g12a_vclk2_encp.hw,
>> + [CLKID_DAC_CLK] = &g12a_dac_clk.hw,
>> + [CLKID_AOCLK] = &g12a_aoclk_gate.hw,
>> + [CLKID_IEC958] = &g12a_iec958_gate.hw,
>> + [CLKID_ENC480P] = &g12a_enc480p.hw,
>> + [CLKID_RNG1] = &g12a_rng1.hw,
>> + [CLKID_VCLK2_ENCT] = &g12a_vclk2_enct.hw,
>> + [CLKID_VCLK2_ENCL] = &g12a_vclk2_encl.hw,
>> + [CLKID_VCLK2_VENCLMMC] = &g12a_vclk2_venclmmc.hw,
>> + [CLKID_VCLK2_VENCL] = &g12a_vclk2_vencl.hw,
>> + [CLKID_VCLK2_OTHER1] = &g12a_vclk2_other1.hw,
>> + [NR_CLKS] = NULL,
>> + },
>> + .num = NR_CLKS,
>> +};
>> +
>> +/* Convenience table to populate regmap in .probe */
>> +static struct clk_regmap *const g12a_clk_regmaps[] = {
>> + &g12a_clk81,
>> + &g12a_dos,
>> + &g12a_ddr,
>> + &g12a_audio_locker,
>> + &g12a_mipi_dsi_host,
>> + &g12a_eth_phy,
>> + &g12a_isa,
>> + &g12a_pl301,
>> + &g12a_periphs,
>> + &g12a_spicc_0,
>> + &g12a_i2c,
>> + &g12a_sana,
>> + &g12a_sd,
>> + &g12a_rng0,
>> + &g12a_uart0,
>> + &g12a_spicc_1,
>> + &g12a_hiu_reg,
>> + &g12a_mipi_dsi_phy,
>> + &g12a_assist_misc,
>> + &g12a_emmc_a,
>> + &g12a_emmc_b,
>> + &g12a_emmc_c,
>> + &g12a_audio_codec,
>> + &g12a_audio,
>> + &g12a_eth_core,
>> + &g12a_demux,
>> + &g12a_audio_ififo,
>> + &g12a_adc,
>> + &g12a_uart1,
>> + &g12a_g2d,
>> + &g12a_reset,
>> + &g12a_pcie_comb,
>> + &g12a_parser,
>> + &g12a_usb_general,
>> + &g12a_pcie_phy,
>> + &g12a_ahb_arb0,
>> + &g12a_ahb_data_bus,
>> + &g12a_ahb_ctrl_bus,
>> + &g12a_htx_hdcp22,
>> + &g12a_htx_pclk,
>> + &g12a_bt656,
>> + &g12a_usb1_to_ddr,
>> + &g12a_mmc_pclk,
>> + &g12a_vpu_intr,
>> + &g12a_gic,
>> + &g12a_sd_emmc_b_clk0,
>> + &g12a_sd_emmc_c_clk0,
>> + &g12a_mpeg_clk_div,
>> + &g12a_sd_emmc_b_clk0_div,
>> + &g12a_sd_emmc_c_clk0_div,
>> + &g12a_mpeg_clk_sel,
>> + &g12a_sd_emmc_b_clk0_sel,
>> + &g12a_sd_emmc_c_clk0_sel,
>> + &g12a_mpll0,
>> + &g12a_mpll1,
>> + &g12a_mpll2,
>> + &g12a_mpll3,
>> + &g12a_mpll0_div,
>> + &g12a_mpll1_div,
>> + &g12a_mpll2_div,
>> + &g12a_mpll3_div,
>> + &g12a_fixed_pll,
>> + &g12a_sys_pll,
>> + &g12a_gp0_pll,
>> + &g12a_hifi_pll,
>> + &g12a_vclk2_venci0,
>> + &g12a_vclk2_venci1,
>> + &g12a_vclk2_vencp0,
>> + &g12a_vclk2_vencp1,
>> + &g12a_vclk2_venct0,
>> + &g12a_vclk2_venct1,
>> + &g12a_vclk2_other,
>> + &g12a_vclk2_enci,
>> + &g12a_vclk2_encp,
>> + &g12a_dac_clk,
>> + &g12a_aoclk_gate,
>> + &g12a_iec958_gate,
>> + &g12a_enc480p,
>> + &g12a_rng1,
>> + &g12a_vclk2_enct,
>> + &g12a_vclk2_encl,
>> + &g12a_vclk2_venclmmc,
>> + &g12a_vclk2_vencl,
>> + &g12a_vclk2_other1,
>> +};
>> +
>> +static const struct of_device_id clkc_match_table[] = {
>> + { .compatible = "amlogic,g12a-clkc" },
> I wonder if that should be "amlogic,meson-g12a-clkc" (I know that AXG
> and GXBB/GXL/GXM omit the "meson-" prefix, but I am not sure if that's
> correct - I'll CC Rob Herring on the dt-bindings patch)
>
For clock drivers,they omit the "meson-" prefix, But for common amlogic
drivers use "amlogic.meson-<chip>-<ip>".
So which type should we choose? .compatible = "amlogic,g12a-clkc or

.compatible = "amlogic,meson-g12a-clkc

>> + {}
>> +};
>> +
>> +static const struct regmap_config clkc_regmap_config = {
>> + .reg_bits = 32,
>> + .val_bits = 32,
>> + .reg_stride = 4,
>> +};
>> +
>> +static int g12a_clkc_probe(struct platform_device *pdev)
>> +{
>> + struct device *dev = &pdev->dev;
>> + struct regmap *map;
>> + int ret, i;
>> +
>> + /* Get the hhi system controller node if available */
>> + map = syscon_node_to_regmap(of_get_parent(dev->of_node));
>> + if (IS_ERR(map)) {
>> + dev_err(dev,
>> + "failed to get HHI regmap - Trying obsolete regs\n");
> this message doesn't seem right - there's no code for the "obsolete
> regs" (which shouldn't be used by a new driver anyways)
>
You are right, I will delete the useless message.
>> + return PTR_ERR(map);
>> + }
>> +
>> + /* Populate regmap for the regmap backed clocks */
>> + for (i = 0; i < ARRAY_SIZE(g12a_clk_regmaps); i++)
>> + g12a_clk_regmaps[i]->map = map;
>> +
>> + for (i = 0; i < g12a_hw_onecell_data.num; i++) {
>> + /* array might be sparse */
>> + if (!g12a_hw_onecell_data.hws[i])
>> + continue;
>> +
>> + ret = devm_clk_hw_register(dev, g12a_hw_onecell_data.hws[i]);
>> + if (ret) {
>> + dev_err(dev, "Clock registration failed\n");
>> + return ret;
>> + }
>> + }
>> +
>> + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
>> + &g12a_hw_onecell_data);
>> +}
>> +
>> +static struct platform_driver g12a_driver = {
>> + .probe = g12a_clkc_probe,
>> + .driver = {
>> + .name = "g12a-clkc",
>> + .of_match_table = clkc_match_table,
>> + },
>> +};
>> +
>> +builtin_platform_driver(g12a_driver);
>> diff --git a/drivers/clk/meson/g12a.h b/drivers/clk/meson/g12a.h
>> new file mode 100644
>> index 0000000..98cb93c
>> --- /dev/null
>> +++ b/drivers/clk/meson/g12a.h
>> @@ -0,0 +1,123 @@
>> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
>> +/*
>> + * Copyright (c) 2016 AmLogic, Inc.
>> + * Author: Michael Turquette <mturquette@baylibre.com>
>> + *
>> + * Copyright (c) 2018 Amlogic, inc.
>> + * Author: Jian Hu <jian.hu@amlogic.com>
>> + * Author: Qiufang Dai <qiufang.dai@amlogic.com>
>> + *
>> + */
>> +#ifndef __G12A_H
>> +#define __G12A_H
>> +
>> +/*
>> + * Clock controller register offsets
>> + *
>> + * Register offsets from the data sheet must be multiplied by 4 before
>> + * adding them to the base address to get the right value.
>> + */
>> +#define HHI_MIPI_CNTL0 0x000
>> +#define HHI_MIPI_CNTL1 0x004
>> +#define HHI_MIPI_CNTL2 0x008
>> +#define HHI_MIPI_STS 0x00C
>> +#define HHI_GP0_PLL_CNTL0 0x040
>> +#define HHI_GP0_PLL_CNTL1 0x044
>> +#define HHI_GP0_PLL_CNTL2 0x048
>> +#define HHI_GP0_PLL_CNTL3 0x04C
>> +#define HHI_GP0_PLL_CNTL4 0x050
>> +#define HHI_GP0_PLL_CNTL5 0x054
>> +#define HHI_GP0_PLL_CNTL6 0x058
>> +#define HHI_GP0_PLL_STS 0x05C
>> +#define HHI_PCIE_PLL_CNTL0 0x098
>> +#define HHI_PCIE_PLL_CNTL1 0x09C
>> +#define HHI_PCIE_PLL_CNTL2 0x0A0
>> +#define HHI_PCIE_PLL_CNTL3 0x0A4
>> +#define HHI_PCIE_PLL_CNTL4 0x0A8
>> +#define HHI_PCIE_PLL_CNTL5 0x0AC
>> +#define HHI_PCIE_PLL_STS 0x0B8
>> +#define HHI_HIFI_PLL_CNTL0 0x0D8
>> +#define HHI_HIFI_PLL_CNTL1 0x0DC
>> +#define HHI_HIFI_PLL_CNTL2 0x0E0
>> +#define HHI_HIFI_PLL_CNTL3 0x0E4
>> +#define HHI_HIFI_PLL_CNTL4 0x0E8
>> +#define HHI_HIFI_PLL_CNTL5 0x0EC
>> +#define HHI_HIFI_PLL_CNTL6 0x0F0
>> +#define HHI_GCLK_MPEG0 0x140
>> +#define HHI_GCLK_MPEG1 0x144
>> +#define HHI_GCLK_MPEG2 0x148
>> +#define HHI_GCLK_OTHER 0x150
>> +#define HHI_MPEG_CLK_CNTL 0x174
>> +#define HHI_AUD_CLK_CNTL 0x178
>> +#define HHI_VID_CLK_CNTL 0x17c
>> +#define HHI_TS_CLK_CNTL 0x190
>> +#define HHI_VID_CLK_CNTL2 0x194
>> +#define HHI_SYS_CPU_CLK_CNTL0 0x19c
>> +#define HHI_MALI_CLK_CNTL 0x1b0
>> +#define HHI_VPU_CLKC_CNTL 0x1b4
>> +#define HHI_VPU_CLK_CNTL 0x1bC
>> +#define HHI_HDMI_CLK_CNTL 0x1CC
>> +#define HHI_VDEC_CLK_CNTL 0x1E0
>> +#define HHI_VDEC2_CLK_CNTL 0x1E4
>> +#define HHI_VDEC3_CLK_CNTL 0x1E8
>> +#define HHI_VDEC4_CLK_CNTL 0x1EC
>> +#define HHI_HDCP22_CLK_CNTL 0x1F0
>> +#define HHI_VAPBCLK_CNTL 0x1F4
>> +#define HHI_VPU_CLKB_CNTL 0x20C
>> +#define HHI_GEN_CLK_CNTL 0x228
>> +#define HHI_VDIN_MEAS_CLK_CNTL 0x250
>> +#define HHI_MIPIDSI_PHY_CLK_CNTL 0x254
>> +#define HHI_NAND_CLK_CNTL 0x25C
>> +#define HHI_SD_EMMC_CLK_CNTL 0x264
>> +#define HHI_MPLL_CNTL0 0x278
>> +#define HHI_MPLL_CNTL1 0x27C
>> +#define HHI_MPLL_CNTL2 0x280
>> +#define HHI_MPLL_CNTL3 0x284
>> +#define HHI_MPLL_CNTL4 0x288
>> +#define HHI_MPLL_CNTL5 0x28c
>> +#define HHI_MPLL_CNTL6 0x290
>> +#define HHI_MPLL_CNTL7 0x294
>> +#define HHI_MPLL_CNTL8 0x298
>> +#define HHI_FIX_PLL_CNTL0 0x2A0
>> +#define HHI_FIX_PLL_CNTL1 0x2A4
>> +#define HHI_SYS_PLL_CNTL0 0x2f4
>> +#define HHI_SYS_PLL_CNTL1 0x2f8
>> +#define HHI_SYS_PLL_CNTL2 0x2fc
>> +#define HHI_SYS_PLL_CNTL3 0x300
>> +#define HHI_SYS_PLL_CNTL4 0x304
>> +#define HHI_SYS_PLL_CNTL5 0x308
>> +#define HHI_SYS_PLL_CNTL6 0x30c
>> +#define HHI_SPICC_CLK_CNTL 0x3dc
>> +
>> +/*
>> + * CLKID index values
>> + *
>> + * These indices are entirely contrived and do not map onto the hardware.
>> + * It has now been decided to expose everything by default in the DT header:
>> + * include/dt-bindings/clock/g12a-clkc.h. Only the clocks ids we don't want
>> + * to expose, such as the internal muxes and dividers of composite clocks,
>> + * will remain defined here.
>> + */
>> +#define CLKID_MPEG_SEL 8
>> +#define CLKID_MPEG_DIV 9
>> +#define CLKID_SD_EMMC_B_CLK0_SEL 62
>> +#define CLKID_SD_EMMC_B_CLK0_DIV 63
>> +#define CLKID_SD_EMMC_C_CLK0_SEL 64
>> +#define CLKID_SD_EMMC_C_CLK0_DIV 65
>> +#define CLKID_MPLL0_DIV 66
>> +#define CLKID_MPLL1_DIV 67
>> +#define CLKID_MPLL2_DIV 68
>> +#define CLKID_MPLL3_DIV 69
>> +#define CLKID_MPLL_PREDIV 70
>> +#define CLKID_FCLK_DIV2_DIV 72
>> +#define CLKID_FCLK_DIV3_DIV 73
>> +#define CLKID_FCLK_DIV4_DIV 74
>> +#define CLKID_FCLK_DIV5_DIV 75
>> +#define CLKID_FCLK_DIV7_DIV 76
>> +
>> +#define NR_CLKS 96
>> +
>> +/* include the CLKIDs that have been made part of the DT binding */
>> +#include <dt-bindings/clock/g12a-clkc.h>
>> +
>> +#endif /* __G12A_H */
>> --
>> 1.9.1
>>
>>
>> _______________________________________________
>> linux-amlogic mailing list
>> linux-amlogic@lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-amlogic
>
> .
>

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