diff mbox series

[v8,4/5] clk: meson: c3: add support for the C3 SoC PLL clock

Message ID 20240430064438.2094701-5-xianwei.zhao@amlogic.com (mailing list archive)
State Superseded
Delegated to: Neil Armstrong
Headers show
Series Add C3 SoC PLLs and Peripheral clock | expand

Commit Message

Xianwei Zhao April 30, 2024, 6:44 a.m. UTC 
Add the C3 PLL clock controller driver for the Amlogic C3 SoC family.

Co-developed-by: Chuan Liu <chuan.liu@amlogic.com>
Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
---
 drivers/clk/meson/Kconfig  |  14 +
 drivers/clk/meson/Makefile |   1 +
 drivers/clk/meson/c3-pll.c | 746 +++++++++++++++++++++++++++++++++++++
 3 files changed, 761 insertions(+)
 create mode 100644 drivers/clk/meson/c3-pll.c

Comments

Jerome Brunet May 3, 2024, 2:11 p.m. UTC | #1 
On Tue 30 Apr 2024 at 14:44, Xianwei Zhao <xianwei.zhao@amlogic.com> wrote:

> Add the C3 PLL clock controller driver for the Amlogic C3 SoC family.
>
> Co-developed-by: Chuan Liu <chuan.liu@amlogic.com>
> Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
> ---
>  drivers/clk/meson/Kconfig  |  14 +
>  drivers/clk/meson/Makefile |   1 +
>  drivers/clk/meson/c3-pll.c | 746 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 761 insertions(+)
>  create mode 100644 drivers/clk/meson/c3-pll.c
>
> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
> index 29ffd14d267b..9f975a980581 100644
> --- a/drivers/clk/meson/Kconfig
> +++ b/drivers/clk/meson/Kconfig
> @@ -128,6 +128,20 @@ config COMMON_CLK_A1_PERIPHERALS
>  	  device, A1 SoC Family. Say Y if you want A1 Peripherals clock
>  	  controller to work.
>  
> +config COMMON_CLK_C3_PLL
> +	tristate "Amlogic C3 PLL clock controller"
> +	depends on ARM64
> +	depends on ARM_SCMI_PROTOCOL

There was a comment from Rob on v7 that was not addressed.
Please make sure you address all comments before reposting.

> +	depends on COMMON_CLK_SCMI

imply, not depend.

> +	default y
> +	select COMMON_CLK_MESON_REGMAP
> +	select COMMON_CLK_MESON_PLL
> +	select COMMON_CLK_MESON_CLKC_UTILS
> +	help
> +	  Support for the PLL clock controller on Amlogic C302X and C308L devices,
> +	  AKA C3. Say Y if you want the board to work, because PLLs are the parent
> +	  of most peripherals.
> +
>  config COMMON_CLK_G12A
>  	tristate "G12 and SM1 SoC clock controllers support"
>  	depends on ARM64
> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
> index 9ee4b954c896..4420af628b31 100644
> --- a/drivers/clk/meson/Makefile
> +++ b/drivers/clk/meson/Makefile
> @@ -19,6 +19,7 @@ obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o
>  obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o
>  obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o
>  obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o
> +obj-$(CONFIG_COMMON_CLK_C3_PLL) += c3-pll.o
>  obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
>  obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o
>  obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o meson8-ddr.o
> diff --git a/drivers/clk/meson/c3-pll.c b/drivers/clk/meson/c3-pll.c
> new file mode 100644
> index 000000000000..74e11add165c
> --- /dev/null
> +++ b/drivers/clk/meson/c3-pll.c
> @@ -0,0 +1,746 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Amlogic C3 PLL Controller Driver
> + *
> + * Copyright (c) 2023 Amlogic, inc.
> + * Author: Chuan Liu <chuan.liu@amlogic.com>
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/platform_device.h>
> +#include "clk-regmap.h"
> +#include "clk-pll.h"
> +#include "meson-clkc-utils.h"
> +#include <dt-bindings/clock/amlogic,c3-pll-clkc.h>
> +
> +#define ANACTRL_FIXPLL_CTRL4			0x50
> +#define ANACTRL_GP0PLL_CTRL0			0x80
> +#define ANACTRL_GP0PLL_CTRL1			0x84
> +#define ANACTRL_GP0PLL_CTRL2			0x88
> +#define ANACTRL_GP0PLL_CTRL3			0x8c
> +#define ANACTRL_GP0PLL_CTRL4			0x90
> +#define ANACTRL_GP0PLL_CTRL5			0x94
> +#define ANACTRL_GP0PLL_CTRL6			0x98
> +#define ANACTRL_HIFIPLL_CTRL0			0x100
> +#define ANACTRL_HIFIPLL_CTRL1			0x104
> +#define ANACTRL_HIFIPLL_CTRL2			0x108
> +#define ANACTRL_HIFIPLL_CTRL3			0x10c
> +#define ANACTRL_HIFIPLL_CTRL4			0x110
> +#define ANACTRL_HIFIPLL_CTRL5			0x114
> +#define ANACTRL_HIFIPLL_CTRL6			0x118
> +#define ANACTRL_MPLL_CTRL0			0x180
> +#define ANACTRL_MPLL_CTRL1			0x184
> +#define ANACTRL_MPLL_CTRL2			0x188
> +#define ANACTRL_MPLL_CTRL3			0x18c
> +#define ANACTRL_MPLL_CTRL4			0x190
> +
> +static struct clk_regmap fclk_50m_en = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_FIXPLL_CTRL4,
> +		.bit_idx = 0,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_50m_en",
> +		.ops = &clk_regmap_gate_ro_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "fix"
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_fixed_factor fclk_50m = {
> +	.mult = 1,
> +	.div = 40,
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_50m",
> +		.ops = &clk_fixed_factor_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&fclk_50m_en.hw
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_fixed_factor fclk_div2_div = {
> +	.mult = 1,
> +	.div = 2,
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div2_div",
> +		.ops = &clk_fixed_factor_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "fix"
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_regmap fclk_div2 = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_FIXPLL_CTRL4,
> +		.bit_idx = 24,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div2",
> +		.ops = &clk_regmap_gate_ro_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&fclk_div2_div.hw
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_fixed_factor fclk_div2p5_div = {
> +	.mult = 2,
> +	.div = 5,
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div2p5_div",
> +		.ops = &clk_fixed_factor_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "fix"
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_regmap fclk_div2p5 = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_FIXPLL_CTRL4,
> +		.bit_idx = 4,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div2p5",
> +		.ops = &clk_regmap_gate_ro_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&fclk_div2p5_div.hw
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_fixed_factor fclk_div3_div = {
> +	.mult = 1,
> +	.div = 3,
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div3_div",
> +		.ops = &clk_fixed_factor_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "fix"
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_regmap fclk_div3 = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_FIXPLL_CTRL4,
> +		.bit_idx = 20,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div3",
> +		.ops = &clk_regmap_gate_ro_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&fclk_div3_div.hw
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_fixed_factor fclk_div4_div = {
> +	.mult = 1,
> +	.div = 4,
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div4_div",
> +		.ops = &clk_fixed_factor_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "fix"
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_regmap fclk_div4 = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_FIXPLL_CTRL4,
> +		.bit_idx = 21,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div4",
> +		.ops = &clk_regmap_gate_ro_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&fclk_div4_div.hw
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_fixed_factor fclk_div5_div = {
> +	.mult = 1,
> +	.div = 5,
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div5_div",
> +		.ops = &clk_fixed_factor_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "fix"
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_regmap fclk_div5 = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_FIXPLL_CTRL4,
> +		.bit_idx = 22,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div5",
> +		.ops = &clk_regmap_gate_ro_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&fclk_div5_div.hw
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_fixed_factor fclk_div7_div = {
> +	.mult = 1,
> +	.div = 7,
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div7_div",
> +		.ops = &clk_fixed_factor_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "fix"
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_regmap fclk_div7 = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_FIXPLL_CTRL4,
> +		.bit_idx = 23,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "fclk_div7",
> +		.ops = &clk_regmap_gate_ro_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&fclk_div7_div.hw
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static const struct reg_sequence c3_gp0_init_regs[] = {
> +	{ .reg = ANACTRL_GP0PLL_CTRL2,	.def = 0x0 },
> +	{ .reg = ANACTRL_GP0PLL_CTRL3,	.def = 0x48681c00 },
> +	{ .reg = ANACTRL_GP0PLL_CTRL4,  .def = 0x88770290 },
> +	{ .reg = ANACTRL_GP0PLL_CTRL5,  .def = 0x3927200a },
> +	{ .reg = ANACTRL_GP0PLL_CTRL6,	.def = 0x56540000 },
> +};
> +
> +static const struct pll_mult_range c3_gp0_pll_mult_range = {
> +	.min = 125,
> +	.max = 250,
> +};
> +
> +static struct clk_regmap 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   = 9,
> +		},
> +		.frac = {
> +			.reg_off = ANACTRL_GP0PLL_CTRL1,
> +			.shift   = 0,
> +			.width   = 19,
> +		},
> +		.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 = &c3_gp0_pll_mult_range,
> +		.init_regs = c3_gp0_init_regs,
> +		.init_count = ARRAY_SIZE(c3_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 = "top",
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +/* The maximum frequency divider supports is 32, not 128(2^7) */
> +static const struct clk_div_table c3_gp0_pll_od_table[] = {
> +	{ 0,  1 },
> +	{ 1,  2 },
> +	{ 2,  4 },
> +	{ 3,  8 },
> +	{ 4, 16 },
> +	{ 5, 32 },
> +	{ /* sentinel */ }
> +};
> +
> +static struct clk_regmap gp0_pll = {
> +	.data = &(struct clk_regmap_div_data) {
> +		.offset = ANACTRL_GP0PLL_CTRL0,
> +		.shift = 16,
> +		.width = 3,
> +		.table = c3_gp0_pll_od_table,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "gp0_pll",
> +		.ops = &clk_regmap_divider_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&gp0_pll_dco.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static const struct reg_sequence c3_hifi_init_regs[] = {
> +	{ .reg = ANACTRL_HIFIPLL_CTRL2,	.def = 0x0 },
> +	{ .reg = ANACTRL_HIFIPLL_CTRL3,	.def = 0x6a285c00 },
> +	{ .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x65771290 },
> +	{ .reg = ANACTRL_HIFIPLL_CTRL5, .def = 0x3927200a },
> +	{ .reg = ANACTRL_HIFIPLL_CTRL6,	.def = 0x56540000 },
> +};
> +
> +static struct clk_regmap 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,
> +		},
> +		.frac = {
> +			.reg_off = ANACTRL_HIFIPLL_CTRL1,
> +			.shift   = 0,
> +			.width   = 19,
> +		},
> +		.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 = &c3_gp0_pll_mult_range,
> +		.init_regs = c3_hifi_init_regs,
> +		.init_count = ARRAY_SIZE(c3_hifi_init_regs),
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "hifi_pll_dco",
> +		.ops = &meson_clk_pll_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "top",
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static struct clk_regmap hifi_pll = {
> +	.data = &(struct clk_regmap_div_data) {
> +		.offset = ANACTRL_HIFIPLL_CTRL0,
> +		.shift = 16,
> +		.width = 2,
> +		.flags = CLK_DIVIDER_POWER_OF_TWO,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "hifi_pll",
> +		.ops = &clk_regmap_divider_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&hifi_pll_dco.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static const struct reg_sequence c3_mclk_init_regs[] = {
> +	{ .reg = ANACTRL_MPLL_CTRL1,	.def = 0x1420500f },
> +	{ .reg = ANACTRL_MPLL_CTRL2,	.def = 0x00023041 },
> +	{ .reg = ANACTRL_MPLL_CTRL3,	.def = 0x18180000 },
> +	{ .reg = ANACTRL_MPLL_CTRL2,	.def = 0x00023001 }
> +};
> +
> +static const struct pll_mult_range c3_mclk_pll_mult_range = {
> +	.min = 67,
> +	.max = 133,
> +};
> +
> +static struct clk_regmap mclk_pll_dco = {
> +	.data = &(struct meson_clk_pll_data) {
> +		.en = {
> +			.reg_off = ANACTRL_MPLL_CTRL0,
> +			.shift   = 28,
> +			.width   = 1,
> +		},
> +		.m = {
> +			.reg_off = ANACTRL_MPLL_CTRL0,
> +			.shift   = 0,
> +			.width   = 8,
> +		},
> +		.n = {
> +			.reg_off = ANACTRL_MPLL_CTRL0,
> +			.shift   = 16,
> +			.width   = 5,
> +		},
> +		.l = {
> +			.reg_off = ANACTRL_MPLL_CTRL0,
> +			.shift   = 31,
> +			.width   = 1,
> +		},
> +		.rst = {
> +			.reg_off = ANACTRL_MPLL_CTRL0,
> +			.shift   = 29,
> +			.width   = 1,
> +		},
> +		.range = &c3_mclk_pll_mult_range,
> +		.init_regs = c3_mclk_init_regs,
> +		.init_count = ARRAY_SIZE(c3_mclk_init_regs),
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk_pll_dco",
> +		.ops = &meson_clk_pll_ops,
> +		.parent_data = &(const struct clk_parent_data) {
> +			.fw_name = "mclk",
> +		},
> +		.num_parents = 1,
> +	},
> +};
> +
> +static const struct clk_div_table c3_mpll_od_table[] = {
> +	{ 0,  1 },
> +	{ 1,  2 },
> +	{ 2,  4 },
> +	{ 3,  8 },
> +	{ 4, 16 },
> +	{ /* sentinel */ }
> +};
> +
> +static struct clk_regmap mclk_pll_od = {
> +	.data = &(struct clk_regmap_div_data) {
> +		.offset = ANACTRL_MPLL_CTRL0,
> +		.shift = 12,
> +		.width = 3,
> +		.table = c3_mpll_od_table,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk_pll_od",
> +		.ops = &clk_regmap_divider_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&mclk_pll_dco.hw },
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +/* both value 0 and 1 gives divide the input rate by one */
> +static struct clk_regmap mclk_pll = {
> +	.data = &(struct clk_regmap_div_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.shift = 16,
> +		.width = 5,
> +		.flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk_pll",
> +		.ops = &clk_regmap_divider_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&mclk_pll_od.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static const struct clk_parent_data mclk_parent[] = {
> +	{ .hw = &mclk_pll.hw },
> +	{ .fw_name = "mclk" },
> +	{ .hw = &fclk_50m.hw }
> +};
> +
> +static struct clk_regmap mclk0_sel = {
> +	.data = &(struct clk_regmap_mux_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.mask = 0x3,
> +		.shift = 4,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk0_sel",
> +		.ops = &clk_regmap_mux_ops,
> +		.parent_data = mclk_parent,
> +		.num_parents = ARRAY_SIZE(mclk_parent),
> +	},
> +};
> +
> +static struct clk_regmap mclk0_div_en = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.bit_idx = 1,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk0_div_en",
> +		.ops = &clk_regmap_gate_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&mclk0_sel.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static struct clk_regmap mclk0_div = {
> +	.data = &(struct clk_regmap_div_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.shift = 2,
> +		.width = 1,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk0_div",
> +		.ops = &clk_regmap_divider_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&mclk0_div_en.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static struct clk_regmap mclk0 = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.bit_idx = 0,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk0",
> +		.ops = &clk_regmap_gate_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&mclk0_div.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static struct clk_regmap mclk1_sel = {
> +	.data = &(struct clk_regmap_mux_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.mask = 0x3,
> +		.shift = 12,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk1_sel",
> +		.ops = &clk_regmap_mux_ops,
> +		.parent_data = mclk_parent,
> +		.num_parents = ARRAY_SIZE(mclk_parent),
> +	},
> +};
> +
> +static struct clk_regmap mclk1_div_en = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.bit_idx = 9,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk1_div_en",
> +		.ops = &clk_regmap_gate_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&mclk1_sel.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static struct clk_regmap mclk1_div = {
> +	.data = &(struct clk_regmap_div_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.shift = 10,
> +		.width = 1,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk1_div",
> +		.ops = &clk_regmap_divider_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&mclk1_div_en.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static struct clk_regmap mclk1 = {
> +	.data = &(struct clk_regmap_gate_data) {
> +		.offset = ANACTRL_MPLL_CTRL4,
> +		.bit_idx = 8,
> +	},
> +	.hw.init = &(struct clk_init_data) {
> +		.name = "mclk1",
> +		.ops = &clk_regmap_gate_ops,
> +		.parent_hws = (const struct clk_hw *[]) {
> +			&mclk1_div.hw
> +		},
> +		.num_parents = 1,
> +		.flags = CLK_SET_RATE_PARENT,
> +	},
> +};
> +
> +static struct clk_hw *c3_pll_hw_clks[] = {
> +	[CLKID_FCLK_50M_EN]	= &fclk_50m_en.hw,
> +	[CLKID_FCLK_50M]	= &fclk_50m.hw,
> +	[CLKID_FCLK_DIV2_DIV]	= &fclk_div2_div.hw,
> +	[CLKID_FCLK_DIV2]	= &fclk_div2.hw,
> +	[CLKID_FCLK_DIV2P5_DIV]	= &fclk_div2p5_div.hw,
> +	[CLKID_FCLK_DIV2P5]	= &fclk_div2p5.hw,
> +	[CLKID_FCLK_DIV3_DIV]	= &fclk_div3_div.hw,
> +	[CLKID_FCLK_DIV3]	= &fclk_div3.hw,
> +	[CLKID_FCLK_DIV4_DIV]	= &fclk_div4_div.hw,
> +	[CLKID_FCLK_DIV4]	= &fclk_div4.hw,
> +	[CLKID_FCLK_DIV5_DIV]	= &fclk_div5_div.hw,
> +	[CLKID_FCLK_DIV5]	= &fclk_div5.hw,
> +	[CLKID_FCLK_DIV7_DIV]	= &fclk_div7_div.hw,
> +	[CLKID_FCLK_DIV7]	= &fclk_div7.hw,
> +	[CLKID_GP0_PLL_DCO]	= &gp0_pll_dco.hw,
> +	[CLKID_GP0_PLL]		= &gp0_pll.hw,
> +	[CLKID_HIFI_PLL_DCO]	= &hifi_pll_dco.hw,
> +	[CLKID_HIFI_PLL]	= &hifi_pll.hw,
> +	[CLKID_MCLK_PLL_DCO]	= &mclk_pll_dco.hw,
> +	[CLKID_MCLK_PLL_OD]	= &mclk_pll_od.hw,
> +	[CLKID_MCLK_PLL]	= &mclk_pll.hw,
> +	[CLKID_MCLK0_SEL]	= &mclk0_sel.hw,
> +	[CLKID_MCLK0_SEL_EN]	= &mclk0_div_en.hw,
> +	[CLKID_MCLK0_DIV]	= &mclk0_div.hw,
> +	[CLKID_MCLK0]		= &mclk0.hw,
> +	[CLKID_MCLK1_SEL]	= &mclk1_sel.hw,
> +	[CLKID_MCLK1_SEL_EN]	= &mclk1_div_en.hw,
> +	[CLKID_MCLK1_DIV]	= &mclk1_div.hw,
> +	[CLKID_MCLK1]		= &mclk1.hw
> +};
> +
> +/* Convenience table to populate regmap in .probe */
> +static struct clk_regmap *const c3_pll_clk_regmaps[] = {
> +	&fclk_50m_en,
> +	&fclk_div2,
> +	&fclk_div2p5,
> +	&fclk_div3,
> +	&fclk_div4,
> +	&fclk_div5,
> +	&fclk_div7,
> +	&gp0_pll_dco,
> +	&gp0_pll,
> +	&hifi_pll_dco,
> +	&hifi_pll,
> +	&mclk_pll_dco,
> +	&mclk_pll_od,
> +	&mclk_pll,
> +	&mclk0_sel,
> +	&mclk0_div_en,
> +	&mclk0_div,
> +	&mclk0,
> +	&mclk1_sel,
> +	&mclk1_div_en,
> +	&mclk1_div,
> +	&mclk1,
> +};
> +
> +static struct regmap_config clkc_regmap_config = {
> +	.reg_bits       = 32,
> +	.val_bits       = 32,
> +	.reg_stride     = 4,
> +	.max_register   = ANACTRL_MPLL_CTRL4,
> +};
> +
> +static struct meson_clk_hw_data c3_pll_clks = {
> +	.hws = c3_pll_hw_clks,
> +	.num = ARRAY_SIZE(c3_pll_hw_clks),
> +};
> +
> +static int aml_c3_pll_probe(struct platform_device *pdev)
> +{
> +	struct device *dev = &pdev->dev;
> +	struct regmap *regmap;
> +	void __iomem *base;
> +	int clkid, ret, i;
> +
> +	base = devm_platform_ioremap_resource(pdev, 0);
> +	if (IS_ERR(base))
> +		return PTR_ERR(base);
> +
> +	regmap = devm_regmap_init_mmio(dev, base, &clkc_regmap_config);
> +	if (IS_ERR(regmap))
> +		return PTR_ERR(regmap);
> +
> +	/* Populate regmap for the regmap backed clocks */
> +	for (i = 0; i < ARRAY_SIZE(c3_pll_clk_regmaps); i++)
> +		c3_pll_clk_regmaps[i]->map = regmap;
> +
> +	for (clkid = 0; clkid < c3_pll_clks.num; clkid++) {
> +		/* array might be sparse */
> +		if (!c3_pll_clks.hws[clkid])
> +			continue;
> +
> +		ret = devm_clk_hw_register(dev, c3_pll_clks.hws[clkid]);
> +		if (ret) {
> +			dev_err(dev, "Clock registration failed\n");
> +			return ret;
> +		}
> +	}
> +
> +	return devm_of_clk_add_hw_provider(dev, meson_clk_hw_get,
> +					   &c3_pll_clks);
> +}
> +
> +static const struct of_device_id c3_pll_clkc_match_table[] = {
> +	{
> +		.compatible = "amlogic,c3-pll-clkc",
> +	},
> +	{}
> +};
> +MODULE_DEVICE_TABLE(of, c3_pll_clkc_match_table);
> +
> +static struct platform_driver c3_pll_driver = {
> +	.probe		= aml_c3_pll_probe,
> +	.driver		= {
> +		.name	= "c3-pll-clkc",
> +		.of_match_table = c3_pll_clkc_match_table,
> +	},
> +};
> +
> +module_platform_driver(c3_pll_driver);
> +MODULE_AUTHOR("Chuan Liu <chuan.liu@amlogic.com>");
> +MODULE_LICENSE("GPL");
Xianwei Zhao May 8, 2024, 8:06 a.m. UTC | #2 
Hi Jerome,
    Thanks for your reply.

On 2024/5/3 22:11, Jerome Brunet wrote:
> [ EXTERNAL EMAIL ]
> 
> On Tue 30 Apr 2024 at 14:44, Xianwei Zhao <xianwei.zhao@amlogic.com> wrote:
> 
>> Add the C3 PLL clock controller driver for the Amlogic C3 SoC family.
>>
>> Co-developed-by: Chuan Liu <chuan.liu@amlogic.com>
>> Signed-off-by: Chuan Liu <chuan.liu@amlogic.com>
>> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
>> ---
>>   drivers/clk/meson/Kconfig  |  14 +
>>   drivers/clk/meson/Makefile |   1 +
>>   drivers/clk/meson/c3-pll.c | 746 +++++++++++++++++++++++++++++++++++++
>>   3 files changed, 761 insertions(+)
>>   create mode 100644 drivers/clk/meson/c3-pll.c
>>
>> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
>> index 29ffd14d267b..9f975a980581 100644
>> --- a/drivers/clk/meson/Kconfig
>> +++ b/drivers/clk/meson/Kconfig
>> @@ -128,6 +128,20 @@ config COMMON_CLK_A1_PERIPHERALS
>>          device, A1 SoC Family. Say Y if you want A1 Peripherals clock
>>          controller to work.
>>
>> +config COMMON_CLK_C3_PLL
>> +     tristate "Amlogic C3 PLL clock controller"
>> +     depends on ARM64
>> +     depends on ARM_SCMI_PROTOCOL
> 
> There was a comment from Rob on v7 that was not addressed.
> Please make sure you address all comments before reposting.
> 
Will detete it.

>> +     depends on COMMON_CLK_SCMI
> 
> imply, not depend.
Will fix it  "imply COMMON_CLK_SCMI"
> 
>> +     default y
>> +     select COMMON_CLK_MESON_REGMAP
>> +     select COMMON_CLK_MESON_PLL
>> +     select COMMON_CLK_MESON_CLKC_UTILS
>> +     help
>> +       Support for the PLL clock controller on Amlogic C302X and C308L devices,
>> +       AKA C3. Say Y if you want the board to work, because PLLs are the parent
>> +       of most peripherals.
>> +
>>   config COMMON_CLK_G12A
>>        tristate "G12 and SM1 SoC clock controllers support"
>>        depends on ARM64
>> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
>> index 9ee4b954c896..4420af628b31 100644
>> --- a/drivers/clk/meson/Makefile
>> +++ b/drivers/clk/meson/Makefile
>> @@ -19,6 +19,7 @@ obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o
>>   obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o
>>   obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o
>>   obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o
>> +obj-$(CONFIG_COMMON_CLK_C3_PLL) += c3-pll.o
>>   obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
>>   obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o
>>   obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o meson8-ddr.o
>> diff --git a/drivers/clk/meson/c3-pll.c b/drivers/clk/meson/c3-pll.c
>> new file mode 100644
>> index 000000000000..74e11add165c
>> --- /dev/null
>> +++ b/drivers/clk/meson/c3-pll.c
>> @@ -0,0 +1,746 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +/*
>> + * Amlogic C3 PLL Controller Driver
>> + *
>> + * Copyright (c) 2023 Amlogic, inc.
>> + * Author: Chuan Liu <chuan.liu@amlogic.com>
>> + */
>> +
>> +#include <linux/clk-provider.h>
>> +#include <linux/platform_device.h>
>> +#include "clk-regmap.h"
>> +#include "clk-pll.h"
>> +#include "meson-clkc-utils.h"
>> +#include <dt-bindings/clock/amlogic,c3-pll-clkc.h>
>> +
>> +#define ANACTRL_FIXPLL_CTRL4                 0x50
>> +#define ANACTRL_GP0PLL_CTRL0                 0x80
>> +#define ANACTRL_GP0PLL_CTRL1                 0x84
>> +#define ANACTRL_GP0PLL_CTRL2                 0x88
>> +#define ANACTRL_GP0PLL_CTRL3                 0x8c
>> +#define ANACTRL_GP0PLL_CTRL4                 0x90
>> +#define ANACTRL_GP0PLL_CTRL5                 0x94
>> +#define ANACTRL_GP0PLL_CTRL6                 0x98
>> +#define ANACTRL_HIFIPLL_CTRL0                        0x100
>> +#define ANACTRL_HIFIPLL_CTRL1                        0x104
>> +#define ANACTRL_HIFIPLL_CTRL2                        0x108
>> +#define ANACTRL_HIFIPLL_CTRL3                        0x10c
>> +#define ANACTRL_HIFIPLL_CTRL4                        0x110
>> +#define ANACTRL_HIFIPLL_CTRL5                        0x114
>> +#define ANACTRL_HIFIPLL_CTRL6                        0x118
>> +#define ANACTRL_MPLL_CTRL0                   0x180
>> +#define ANACTRL_MPLL_CTRL1                   0x184
>> +#define ANACTRL_MPLL_CTRL2                   0x188
>> +#define ANACTRL_MPLL_CTRL3                   0x18c
>> +#define ANACTRL_MPLL_CTRL4                   0x190
>> +
>> +static struct clk_regmap fclk_50m_en = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_FIXPLL_CTRL4,
>> +             .bit_idx = 0,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_50m_en",
>> +             .ops = &clk_regmap_gate_ro_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "fix"
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_fixed_factor fclk_50m = {
>> +     .mult = 1,
>> +     .div = 40,
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_50m",
>> +             .ops = &clk_fixed_factor_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &fclk_50m_en.hw
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_fixed_factor fclk_div2_div = {
>> +     .mult = 1,
>> +     .div = 2,
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div2_div",
>> +             .ops = &clk_fixed_factor_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "fix"
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_regmap fclk_div2 = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_FIXPLL_CTRL4,
>> +             .bit_idx = 24,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div2",
>> +             .ops = &clk_regmap_gate_ro_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &fclk_div2_div.hw
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_fixed_factor fclk_div2p5_div = {
>> +     .mult = 2,
>> +     .div = 5,
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div2p5_div",
>> +             .ops = &clk_fixed_factor_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "fix"
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_regmap fclk_div2p5 = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_FIXPLL_CTRL4,
>> +             .bit_idx = 4,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div2p5",
>> +             .ops = &clk_regmap_gate_ro_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &fclk_div2p5_div.hw
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_fixed_factor fclk_div3_div = {
>> +     .mult = 1,
>> +     .div = 3,
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div3_div",
>> +             .ops = &clk_fixed_factor_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "fix"
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_regmap fclk_div3 = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_FIXPLL_CTRL4,
>> +             .bit_idx = 20,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div3",
>> +             .ops = &clk_regmap_gate_ro_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &fclk_div3_div.hw
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_fixed_factor fclk_div4_div = {
>> +     .mult = 1,
>> +     .div = 4,
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div4_div",
>> +             .ops = &clk_fixed_factor_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "fix"
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_regmap fclk_div4 = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_FIXPLL_CTRL4,
>> +             .bit_idx = 21,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div4",
>> +             .ops = &clk_regmap_gate_ro_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &fclk_div4_div.hw
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_fixed_factor fclk_div5_div = {
>> +     .mult = 1,
>> +     .div = 5,
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div5_div",
>> +             .ops = &clk_fixed_factor_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "fix"
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_regmap fclk_div5 = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_FIXPLL_CTRL4,
>> +             .bit_idx = 22,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div5",
>> +             .ops = &clk_regmap_gate_ro_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &fclk_div5_div.hw
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_fixed_factor fclk_div7_div = {
>> +     .mult = 1,
>> +     .div = 7,
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div7_div",
>> +             .ops = &clk_fixed_factor_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "fix"
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_regmap fclk_div7 = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_FIXPLL_CTRL4,
>> +             .bit_idx = 23,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "fclk_div7",
>> +             .ops = &clk_regmap_gate_ro_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &fclk_div7_div.hw
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static const struct reg_sequence c3_gp0_init_regs[] = {
>> +     { .reg = ANACTRL_GP0PLL_CTRL2,  .def = 0x0 },
>> +     { .reg = ANACTRL_GP0PLL_CTRL3,  .def = 0x48681c00 },
>> +     { .reg = ANACTRL_GP0PLL_CTRL4,  .def = 0x88770290 },
>> +     { .reg = ANACTRL_GP0PLL_CTRL5,  .def = 0x3927200a },
>> +     { .reg = ANACTRL_GP0PLL_CTRL6,  .def = 0x56540000 },
>> +};
>> +
>> +static const struct pll_mult_range c3_gp0_pll_mult_range = {
>> +     .min = 125,
>> +     .max = 250,
>> +};
>> +
>> +static struct clk_regmap 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   = 9,
>> +             },
>> +             .frac = {
>> +                     .reg_off = ANACTRL_GP0PLL_CTRL1,
>> +                     .shift   = 0,
>> +                     .width   = 19,
>> +             },
>> +             .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 = &c3_gp0_pll_mult_range,
>> +             .init_regs = c3_gp0_init_regs,
>> +             .init_count = ARRAY_SIZE(c3_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 = "top",
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +/* The maximum frequency divider supports is 32, not 128(2^7) */
>> +static const struct clk_div_table c3_gp0_pll_od_table[] = {
>> +     { 0,  1 },
>> +     { 1,  2 },
>> +     { 2,  4 },
>> +     { 3,  8 },
>> +     { 4, 16 },
>> +     { 5, 32 },
>> +     { /* sentinel */ }
>> +};
>> +
>> +static struct clk_regmap gp0_pll = {
>> +     .data = &(struct clk_regmap_div_data) {
>> +             .offset = ANACTRL_GP0PLL_CTRL0,
>> +             .shift = 16,
>> +             .width = 3,
>> +             .table = c3_gp0_pll_od_table,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "gp0_pll",
>> +             .ops = &clk_regmap_divider_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &gp0_pll_dco.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static const struct reg_sequence c3_hifi_init_regs[] = {
>> +     { .reg = ANACTRL_HIFIPLL_CTRL2, .def = 0x0 },
>> +     { .reg = ANACTRL_HIFIPLL_CTRL3, .def = 0x6a285c00 },
>> +     { .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x65771290 },
>> +     { .reg = ANACTRL_HIFIPLL_CTRL5, .def = 0x3927200a },
>> +     { .reg = ANACTRL_HIFIPLL_CTRL6, .def = 0x56540000 },
>> +};
>> +
>> +static struct clk_regmap 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,
>> +             },
>> +             .frac = {
>> +                     .reg_off = ANACTRL_HIFIPLL_CTRL1,
>> +                     .shift   = 0,
>> +                     .width   = 19,
>> +             },
>> +             .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 = &c3_gp0_pll_mult_range,
>> +             .init_regs = c3_hifi_init_regs,
>> +             .init_count = ARRAY_SIZE(c3_hifi_init_regs),
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "hifi_pll_dco",
>> +             .ops = &meson_clk_pll_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "top",
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static struct clk_regmap hifi_pll = {
>> +     .data = &(struct clk_regmap_div_data) {
>> +             .offset = ANACTRL_HIFIPLL_CTRL0,
>> +             .shift = 16,
>> +             .width = 2,
>> +             .flags = CLK_DIVIDER_POWER_OF_TWO,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "hifi_pll",
>> +             .ops = &clk_regmap_divider_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &hifi_pll_dco.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static const struct reg_sequence c3_mclk_init_regs[] = {
>> +     { .reg = ANACTRL_MPLL_CTRL1,    .def = 0x1420500f },
>> +     { .reg = ANACTRL_MPLL_CTRL2,    .def = 0x00023041 },
>> +     { .reg = ANACTRL_MPLL_CTRL3,    .def = 0x18180000 },
>> +     { .reg = ANACTRL_MPLL_CTRL2,    .def = 0x00023001 }
>> +};
>> +
>> +static const struct pll_mult_range c3_mclk_pll_mult_range = {
>> +     .min = 67,
>> +     .max = 133,
>> +};
>> +
>> +static struct clk_regmap mclk_pll_dco = {
>> +     .data = &(struct meson_clk_pll_data) {
>> +             .en = {
>> +                     .reg_off = ANACTRL_MPLL_CTRL0,
>> +                     .shift   = 28,
>> +                     .width   = 1,
>> +             },
>> +             .m = {
>> +                     .reg_off = ANACTRL_MPLL_CTRL0,
>> +                     .shift   = 0,
>> +                     .width   = 8,
>> +             },
>> +             .n = {
>> +                     .reg_off = ANACTRL_MPLL_CTRL0,
>> +                     .shift   = 16,
>> +                     .width   = 5,
>> +             },
>> +             .l = {
>> +                     .reg_off = ANACTRL_MPLL_CTRL0,
>> +                     .shift   = 31,
>> +                     .width   = 1,
>> +             },
>> +             .rst = {
>> +                     .reg_off = ANACTRL_MPLL_CTRL0,
>> +                     .shift   = 29,
>> +                     .width   = 1,
>> +             },
>> +             .range = &c3_mclk_pll_mult_range,
>> +             .init_regs = c3_mclk_init_regs,
>> +             .init_count = ARRAY_SIZE(c3_mclk_init_regs),
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk_pll_dco",
>> +             .ops = &meson_clk_pll_ops,
>> +             .parent_data = &(const struct clk_parent_data) {
>> +                     .fw_name = "mclk",
>> +             },
>> +             .num_parents = 1,
>> +     },
>> +};
>> +
>> +static const struct clk_div_table c3_mpll_od_table[] = {
>> +     { 0,  1 },
>> +     { 1,  2 },
>> +     { 2,  4 },
>> +     { 3,  8 },
>> +     { 4, 16 },
>> +     { /* sentinel */ }
>> +};
>> +
>> +static struct clk_regmap mclk_pll_od = {
>> +     .data = &(struct clk_regmap_div_data) {
>> +             .offset = ANACTRL_MPLL_CTRL0,
>> +             .shift = 12,
>> +             .width = 3,
>> +             .table = c3_mpll_od_table,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk_pll_od",
>> +             .ops = &clk_regmap_divider_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &mclk_pll_dco.hw },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +/* both value 0 and 1 gives divide the input rate by one */
>> +static struct clk_regmap mclk_pll = {
>> +     .data = &(struct clk_regmap_div_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .shift = 16,
>> +             .width = 5,
>> +             .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk_pll",
>> +             .ops = &clk_regmap_divider_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &mclk_pll_od.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static const struct clk_parent_data mclk_parent[] = {
>> +     { .hw = &mclk_pll.hw },
>> +     { .fw_name = "mclk" },
>> +     { .hw = &fclk_50m.hw }
>> +};
>> +
>> +static struct clk_regmap mclk0_sel = {
>> +     .data = &(struct clk_regmap_mux_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .mask = 0x3,
>> +             .shift = 4,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk0_sel",
>> +             .ops = &clk_regmap_mux_ops,
>> +             .parent_data = mclk_parent,
>> +             .num_parents = ARRAY_SIZE(mclk_parent),
>> +     },
>> +};
>> +
>> +static struct clk_regmap mclk0_div_en = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .bit_idx = 1,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk0_div_en",
>> +             .ops = &clk_regmap_gate_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &mclk0_sel.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static struct clk_regmap mclk0_div = {
>> +     .data = &(struct clk_regmap_div_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .shift = 2,
>> +             .width = 1,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk0_div",
>> +             .ops = &clk_regmap_divider_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &mclk0_div_en.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static struct clk_regmap mclk0 = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .bit_idx = 0,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk0",
>> +             .ops = &clk_regmap_gate_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &mclk0_div.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static struct clk_regmap mclk1_sel = {
>> +     .data = &(struct clk_regmap_mux_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .mask = 0x3,
>> +             .shift = 12,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk1_sel",
>> +             .ops = &clk_regmap_mux_ops,
>> +             .parent_data = mclk_parent,
>> +             .num_parents = ARRAY_SIZE(mclk_parent),
>> +     },
>> +};
>> +
>> +static struct clk_regmap mclk1_div_en = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .bit_idx = 9,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk1_div_en",
>> +             .ops = &clk_regmap_gate_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &mclk1_sel.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static struct clk_regmap mclk1_div = {
>> +     .data = &(struct clk_regmap_div_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .shift = 10,
>> +             .width = 1,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk1_div",
>> +             .ops = &clk_regmap_divider_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &mclk1_div_en.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static struct clk_regmap mclk1 = {
>> +     .data = &(struct clk_regmap_gate_data) {
>> +             .offset = ANACTRL_MPLL_CTRL4,
>> +             .bit_idx = 8,
>> +     },
>> +     .hw.init = &(struct clk_init_data) {
>> +             .name = "mclk1",
>> +             .ops = &clk_regmap_gate_ops,
>> +             .parent_hws = (const struct clk_hw *[]) {
>> +                     &mclk1_div.hw
>> +             },
>> +             .num_parents = 1,
>> +             .flags = CLK_SET_RATE_PARENT,
>> +     },
>> +};
>> +
>> +static struct clk_hw *c3_pll_hw_clks[] = {
>> +     [CLKID_FCLK_50M_EN]     = &fclk_50m_en.hw,
>> +     [CLKID_FCLK_50M]        = &fclk_50m.hw,
>> +     [CLKID_FCLK_DIV2_DIV]   = &fclk_div2_div.hw,
>> +     [CLKID_FCLK_DIV2]       = &fclk_div2.hw,
>> +     [CLKID_FCLK_DIV2P5_DIV] = &fclk_div2p5_div.hw,
>> +     [CLKID_FCLK_DIV2P5]     = &fclk_div2p5.hw,
>> +     [CLKID_FCLK_DIV3_DIV]   = &fclk_div3_div.hw,
>> +     [CLKID_FCLK_DIV3]       = &fclk_div3.hw,
>> +     [CLKID_FCLK_DIV4_DIV]   = &fclk_div4_div.hw,
>> +     [CLKID_FCLK_DIV4]       = &fclk_div4.hw,
>> +     [CLKID_FCLK_DIV5_DIV]   = &fclk_div5_div.hw,
>> +     [CLKID_FCLK_DIV5]       = &fclk_div5.hw,
>> +     [CLKID_FCLK_DIV7_DIV]   = &fclk_div7_div.hw,
>> +     [CLKID_FCLK_DIV7]       = &fclk_div7.hw,
>> +     [CLKID_GP0_PLL_DCO]     = &gp0_pll_dco.hw,
>> +     [CLKID_GP0_PLL]         = &gp0_pll.hw,
>> +     [CLKID_HIFI_PLL_DCO]    = &hifi_pll_dco.hw,
>> +     [CLKID_HIFI_PLL]        = &hifi_pll.hw,
>> +     [CLKID_MCLK_PLL_DCO]    = &mclk_pll_dco.hw,
>> +     [CLKID_MCLK_PLL_OD]     = &mclk_pll_od.hw,
>> +     [CLKID_MCLK_PLL]        = &mclk_pll.hw,
>> +     [CLKID_MCLK0_SEL]       = &mclk0_sel.hw,
>> +     [CLKID_MCLK0_SEL_EN]    = &mclk0_div_en.hw,
>> +     [CLKID_MCLK0_DIV]       = &mclk0_div.hw,
>> +     [CLKID_MCLK0]           = &mclk0.hw,
>> +     [CLKID_MCLK1_SEL]       = &mclk1_sel.hw,
>> +     [CLKID_MCLK1_SEL_EN]    = &mclk1_div_en.hw,
>> +     [CLKID_MCLK1_DIV]       = &mclk1_div.hw,
>> +     [CLKID_MCLK1]           = &mclk1.hw
>> +};
>> +
>> +/* Convenience table to populate regmap in .probe */
>> +static struct clk_regmap *const c3_pll_clk_regmaps[] = {
>> +     &fclk_50m_en,
>> +     &fclk_div2,
>> +     &fclk_div2p5,
>> +     &fclk_div3,
>> +     &fclk_div4,
>> +     &fclk_div5,
>> +     &fclk_div7,
>> +     &gp0_pll_dco,
>> +     &gp0_pll,
>> +     &hifi_pll_dco,
>> +     &hifi_pll,
>> +     &mclk_pll_dco,
>> +     &mclk_pll_od,
>> +     &mclk_pll,
>> +     &mclk0_sel,
>> +     &mclk0_div_en,
>> +     &mclk0_div,
>> +     &mclk0,
>> +     &mclk1_sel,
>> +     &mclk1_div_en,
>> +     &mclk1_div,
>> +     &mclk1,
>> +};
>> +
>> +static struct regmap_config clkc_regmap_config = {
>> +     .reg_bits       = 32,
>> +     .val_bits       = 32,
>> +     .reg_stride     = 4,
>> +     .max_register   = ANACTRL_MPLL_CTRL4,
>> +};
>> +
>> +static struct meson_clk_hw_data c3_pll_clks = {
>> +     .hws = c3_pll_hw_clks,
>> +     .num = ARRAY_SIZE(c3_pll_hw_clks),
>> +};
>> +
>> +static int aml_c3_pll_probe(struct platform_device *pdev)
>> +{
>> +     struct device *dev = &pdev->dev;
>> +     struct regmap *regmap;
>> +     void __iomem *base;
>> +     int clkid, ret, i;
>> +
>> +     base = devm_platform_ioremap_resource(pdev, 0);
>> +     if (IS_ERR(base))
>> +             return PTR_ERR(base);
>> +
>> +     regmap = devm_regmap_init_mmio(dev, base, &clkc_regmap_config);
>> +     if (IS_ERR(regmap))
>> +             return PTR_ERR(regmap);
>> +
>> +     /* Populate regmap for the regmap backed clocks */
>> +     for (i = 0; i < ARRAY_SIZE(c3_pll_clk_regmaps); i++)
>> +             c3_pll_clk_regmaps[i]->map = regmap;
>> +
>> +     for (clkid = 0; clkid < c3_pll_clks.num; clkid++) {
>> +             /* array might be sparse */
>> +             if (!c3_pll_clks.hws[clkid])
>> +                     continue;
>> +
>> +             ret = devm_clk_hw_register(dev, c3_pll_clks.hws[clkid]);
>> +             if (ret) {
>> +                     dev_err(dev, "Clock registration failed\n");
>> +                     return ret;
>> +             }
>> +     }
>> +
>> +     return devm_of_clk_add_hw_provider(dev, meson_clk_hw_get,
>> +                                        &c3_pll_clks);
>> +}
>> +
>> +static const struct of_device_id c3_pll_clkc_match_table[] = {
>> +     {
>> +             .compatible = "amlogic,c3-pll-clkc",
>> +     },
>> +     {}
>> +};
>> +MODULE_DEVICE_TABLE(of, c3_pll_clkc_match_table);
>> +
>> +static struct platform_driver c3_pll_driver = {
>> +     .probe          = aml_c3_pll_probe,
>> +     .driver         = {
>> +             .name   = "c3-pll-clkc",
>> +             .of_match_table = c3_pll_clkc_match_table,
>> +     },
>> +};
>> +
>> +module_platform_driver(c3_pll_driver);
>> +MODULE_AUTHOR("Chuan Liu <chuan.liu@amlogic.com>");
>> +MODULE_LICENSE("GPL");
> 
> 
> --
> Jerome
diff mbox series

Patch

diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
index 29ffd14d267b..9f975a980581 100644
--- a/drivers/clk/meson/Kconfig
+++ b/drivers/clk/meson/Kconfig
@@ -128,6 +128,20 @@  config COMMON_CLK_A1_PERIPHERALS
 	  device, A1 SoC Family. Say Y if you want A1 Peripherals clock
 	  controller to work.
 
+config COMMON_CLK_C3_PLL
+	tristate "Amlogic C3 PLL clock controller"
+	depends on ARM64
+	depends on ARM_SCMI_PROTOCOL
+	depends on COMMON_CLK_SCMI
+	default y
+	select COMMON_CLK_MESON_REGMAP
+	select COMMON_CLK_MESON_PLL
+	select COMMON_CLK_MESON_CLKC_UTILS
+	help
+	  Support for the PLL clock controller on Amlogic C302X and C308L devices,
+	  AKA C3. Say Y if you want the board to work, because PLLs are the parent
+	  of most peripherals.
+
 config COMMON_CLK_G12A
 	tristate "G12 and SM1 SoC clock controllers support"
 	depends on ARM64
diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
index 9ee4b954c896..4420af628b31 100644
--- a/drivers/clk/meson/Makefile
+++ b/drivers/clk/meson/Makefile
@@ -19,6 +19,7 @@  obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o
 obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o
 obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o
 obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o
+obj-$(CONFIG_COMMON_CLK_C3_PLL) += c3-pll.o
 obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
 obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o
 obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o meson8-ddr.o
diff --git a/drivers/clk/meson/c3-pll.c b/drivers/clk/meson/c3-pll.c
new file mode 100644
index 000000000000..74e11add165c
--- /dev/null
+++ b/drivers/clk/meson/c3-pll.c
@@ -0,0 +1,746 @@ 
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Amlogic C3 PLL Controller Driver
+ *
+ * Copyright (c) 2023 Amlogic, inc.
+ * Author: Chuan Liu <chuan.liu@amlogic.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include "clk-regmap.h"
+#include "clk-pll.h"
+#include "meson-clkc-utils.h"
+#include <dt-bindings/clock/amlogic,c3-pll-clkc.h>
+
+#define ANACTRL_FIXPLL_CTRL4			0x50
+#define ANACTRL_GP0PLL_CTRL0			0x80
+#define ANACTRL_GP0PLL_CTRL1			0x84
+#define ANACTRL_GP0PLL_CTRL2			0x88
+#define ANACTRL_GP0PLL_CTRL3			0x8c
+#define ANACTRL_GP0PLL_CTRL4			0x90
+#define ANACTRL_GP0PLL_CTRL5			0x94
+#define ANACTRL_GP0PLL_CTRL6			0x98
+#define ANACTRL_HIFIPLL_CTRL0			0x100
+#define ANACTRL_HIFIPLL_CTRL1			0x104
+#define ANACTRL_HIFIPLL_CTRL2			0x108
+#define ANACTRL_HIFIPLL_CTRL3			0x10c
+#define ANACTRL_HIFIPLL_CTRL4			0x110
+#define ANACTRL_HIFIPLL_CTRL5			0x114
+#define ANACTRL_HIFIPLL_CTRL6			0x118
+#define ANACTRL_MPLL_CTRL0			0x180
+#define ANACTRL_MPLL_CTRL1			0x184
+#define ANACTRL_MPLL_CTRL2			0x188
+#define ANACTRL_MPLL_CTRL3			0x18c
+#define ANACTRL_MPLL_CTRL4			0x190
+
+static struct clk_regmap fclk_50m_en = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_FIXPLL_CTRL4,
+		.bit_idx = 0,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_50m_en",
+		.ops = &clk_regmap_gate_ro_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "fix"
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_fixed_factor fclk_50m = {
+	.mult = 1,
+	.div = 40,
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_50m",
+		.ops = &clk_fixed_factor_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_50m_en.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_fixed_factor fclk_div2_div = {
+	.mult = 1,
+	.div = 2,
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div2_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "fix"
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div2 = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_FIXPLL_CTRL4,
+		.bit_idx = 24,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div2",
+		.ops = &clk_regmap_gate_ro_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div2_div.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_fixed_factor fclk_div2p5_div = {
+	.mult = 2,
+	.div = 5,
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div2p5_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "fix"
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div2p5 = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_FIXPLL_CTRL4,
+		.bit_idx = 4,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div2p5",
+		.ops = &clk_regmap_gate_ro_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div2p5_div.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_fixed_factor fclk_div3_div = {
+	.mult = 1,
+	.div = 3,
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div3_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "fix"
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div3 = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_FIXPLL_CTRL4,
+		.bit_idx = 20,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div3",
+		.ops = &clk_regmap_gate_ro_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div3_div.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_fixed_factor fclk_div4_div = {
+	.mult = 1,
+	.div = 4,
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div4_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "fix"
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div4 = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_FIXPLL_CTRL4,
+		.bit_idx = 21,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div4",
+		.ops = &clk_regmap_gate_ro_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div4_div.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_fixed_factor fclk_div5_div = {
+	.mult = 1,
+	.div = 5,
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div5_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "fix"
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div5 = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_FIXPLL_CTRL4,
+		.bit_idx = 22,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div5",
+		.ops = &clk_regmap_gate_ro_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div5_div.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_fixed_factor fclk_div7_div = {
+	.mult = 1,
+	.div = 7,
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div7_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "fix"
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div7 = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_FIXPLL_CTRL4,
+		.bit_idx = 23,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "fclk_div7",
+		.ops = &clk_regmap_gate_ro_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div7_div.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static const struct reg_sequence c3_gp0_init_regs[] = {
+	{ .reg = ANACTRL_GP0PLL_CTRL2,	.def = 0x0 },
+	{ .reg = ANACTRL_GP0PLL_CTRL3,	.def = 0x48681c00 },
+	{ .reg = ANACTRL_GP0PLL_CTRL4,  .def = 0x88770290 },
+	{ .reg = ANACTRL_GP0PLL_CTRL5,  .def = 0x3927200a },
+	{ .reg = ANACTRL_GP0PLL_CTRL6,	.def = 0x56540000 },
+};
+
+static const struct pll_mult_range c3_gp0_pll_mult_range = {
+	.min = 125,
+	.max = 250,
+};
+
+static struct clk_regmap 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   = 9,
+		},
+		.frac = {
+			.reg_off = ANACTRL_GP0PLL_CTRL1,
+			.shift   = 0,
+			.width   = 19,
+		},
+		.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 = &c3_gp0_pll_mult_range,
+		.init_regs = c3_gp0_init_regs,
+		.init_count = ARRAY_SIZE(c3_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 = "top",
+		},
+		.num_parents = 1,
+	},
+};
+
+/* The maximum frequency divider supports is 32, not 128(2^7) */
+static const struct clk_div_table c3_gp0_pll_od_table[] = {
+	{ 0,  1 },
+	{ 1,  2 },
+	{ 2,  4 },
+	{ 3,  8 },
+	{ 4, 16 },
+	{ 5, 32 },
+	{ /* sentinel */ }
+};
+
+static struct clk_regmap gp0_pll = {
+	.data = &(struct clk_regmap_div_data) {
+		.offset = ANACTRL_GP0PLL_CTRL0,
+		.shift = 16,
+		.width = 3,
+		.table = c3_gp0_pll_od_table,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "gp0_pll",
+		.ops = &clk_regmap_divider_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&gp0_pll_dco.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static const struct reg_sequence c3_hifi_init_regs[] = {
+	{ .reg = ANACTRL_HIFIPLL_CTRL2,	.def = 0x0 },
+	{ .reg = ANACTRL_HIFIPLL_CTRL3,	.def = 0x6a285c00 },
+	{ .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x65771290 },
+	{ .reg = ANACTRL_HIFIPLL_CTRL5, .def = 0x3927200a },
+	{ .reg = ANACTRL_HIFIPLL_CTRL6,	.def = 0x56540000 },
+};
+
+static struct clk_regmap 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,
+		},
+		.frac = {
+			.reg_off = ANACTRL_HIFIPLL_CTRL1,
+			.shift   = 0,
+			.width   = 19,
+		},
+		.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 = &c3_gp0_pll_mult_range,
+		.init_regs = c3_hifi_init_regs,
+		.init_count = ARRAY_SIZE(c3_hifi_init_regs),
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "hifi_pll_dco",
+		.ops = &meson_clk_pll_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "top",
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap hifi_pll = {
+	.data = &(struct clk_regmap_div_data) {
+		.offset = ANACTRL_HIFIPLL_CTRL0,
+		.shift = 16,
+		.width = 2,
+		.flags = CLK_DIVIDER_POWER_OF_TWO,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "hifi_pll",
+		.ops = &clk_regmap_divider_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&hifi_pll_dco.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static const struct reg_sequence c3_mclk_init_regs[] = {
+	{ .reg = ANACTRL_MPLL_CTRL1,	.def = 0x1420500f },
+	{ .reg = ANACTRL_MPLL_CTRL2,	.def = 0x00023041 },
+	{ .reg = ANACTRL_MPLL_CTRL3,	.def = 0x18180000 },
+	{ .reg = ANACTRL_MPLL_CTRL2,	.def = 0x00023001 }
+};
+
+static const struct pll_mult_range c3_mclk_pll_mult_range = {
+	.min = 67,
+	.max = 133,
+};
+
+static struct clk_regmap mclk_pll_dco = {
+	.data = &(struct meson_clk_pll_data) {
+		.en = {
+			.reg_off = ANACTRL_MPLL_CTRL0,
+			.shift   = 28,
+			.width   = 1,
+		},
+		.m = {
+			.reg_off = ANACTRL_MPLL_CTRL0,
+			.shift   = 0,
+			.width   = 8,
+		},
+		.n = {
+			.reg_off = ANACTRL_MPLL_CTRL0,
+			.shift   = 16,
+			.width   = 5,
+		},
+		.l = {
+			.reg_off = ANACTRL_MPLL_CTRL0,
+			.shift   = 31,
+			.width   = 1,
+		},
+		.rst = {
+			.reg_off = ANACTRL_MPLL_CTRL0,
+			.shift   = 29,
+			.width   = 1,
+		},
+		.range = &c3_mclk_pll_mult_range,
+		.init_regs = c3_mclk_init_regs,
+		.init_count = ARRAY_SIZE(c3_mclk_init_regs),
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk_pll_dco",
+		.ops = &meson_clk_pll_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "mclk",
+		},
+		.num_parents = 1,
+	},
+};
+
+static const struct clk_div_table c3_mpll_od_table[] = {
+	{ 0,  1 },
+	{ 1,  2 },
+	{ 2,  4 },
+	{ 3,  8 },
+	{ 4, 16 },
+	{ /* sentinel */ }
+};
+
+static struct clk_regmap mclk_pll_od = {
+	.data = &(struct clk_regmap_div_data) {
+		.offset = ANACTRL_MPLL_CTRL0,
+		.shift = 12,
+		.width = 3,
+		.table = c3_mpll_od_table,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk_pll_od",
+		.ops = &clk_regmap_divider_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&mclk_pll_dco.hw },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+/* both value 0 and 1 gives divide the input rate by one */
+static struct clk_regmap mclk_pll = {
+	.data = &(struct clk_regmap_div_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.shift = 16,
+		.width = 5,
+		.flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk_pll",
+		.ops = &clk_regmap_divider_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&mclk_pll_od.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static const struct clk_parent_data mclk_parent[] = {
+	{ .hw = &mclk_pll.hw },
+	{ .fw_name = "mclk" },
+	{ .hw = &fclk_50m.hw }
+};
+
+static struct clk_regmap mclk0_sel = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.mask = 0x3,
+		.shift = 4,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk0_sel",
+		.ops = &clk_regmap_mux_ops,
+		.parent_data = mclk_parent,
+		.num_parents = ARRAY_SIZE(mclk_parent),
+	},
+};
+
+static struct clk_regmap mclk0_div_en = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.bit_idx = 1,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk0_div_en",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&mclk0_sel.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap mclk0_div = {
+	.data = &(struct clk_regmap_div_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.shift = 2,
+		.width = 1,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk0_div",
+		.ops = &clk_regmap_divider_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&mclk0_div_en.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap mclk0 = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.bit_idx = 0,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk0",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&mclk0_div.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap mclk1_sel = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.mask = 0x3,
+		.shift = 12,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk1_sel",
+		.ops = &clk_regmap_mux_ops,
+		.parent_data = mclk_parent,
+		.num_parents = ARRAY_SIZE(mclk_parent),
+	},
+};
+
+static struct clk_regmap mclk1_div_en = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.bit_idx = 9,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk1_div_en",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&mclk1_sel.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap mclk1_div = {
+	.data = &(struct clk_regmap_div_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.shift = 10,
+		.width = 1,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk1_div",
+		.ops = &clk_regmap_divider_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&mclk1_div_en.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap mclk1 = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = ANACTRL_MPLL_CTRL4,
+		.bit_idx = 8,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "mclk1",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&mclk1_div.hw
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_hw *c3_pll_hw_clks[] = {
+	[CLKID_FCLK_50M_EN]	= &fclk_50m_en.hw,
+	[CLKID_FCLK_50M]	= &fclk_50m.hw,
+	[CLKID_FCLK_DIV2_DIV]	= &fclk_div2_div.hw,
+	[CLKID_FCLK_DIV2]	= &fclk_div2.hw,
+	[CLKID_FCLK_DIV2P5_DIV]	= &fclk_div2p5_div.hw,
+	[CLKID_FCLK_DIV2P5]	= &fclk_div2p5.hw,
+	[CLKID_FCLK_DIV3_DIV]	= &fclk_div3_div.hw,
+	[CLKID_FCLK_DIV3]	= &fclk_div3.hw,
+	[CLKID_FCLK_DIV4_DIV]	= &fclk_div4_div.hw,
+	[CLKID_FCLK_DIV4]	= &fclk_div4.hw,
+	[CLKID_FCLK_DIV5_DIV]	= &fclk_div5_div.hw,
+	[CLKID_FCLK_DIV5]	= &fclk_div5.hw,
+	[CLKID_FCLK_DIV7_DIV]	= &fclk_div7_div.hw,
+	[CLKID_FCLK_DIV7]	= &fclk_div7.hw,
+	[CLKID_GP0_PLL_DCO]	= &gp0_pll_dco.hw,
+	[CLKID_GP0_PLL]		= &gp0_pll.hw,
+	[CLKID_HIFI_PLL_DCO]	= &hifi_pll_dco.hw,
+	[CLKID_HIFI_PLL]	= &hifi_pll.hw,
+	[CLKID_MCLK_PLL_DCO]	= &mclk_pll_dco.hw,
+	[CLKID_MCLK_PLL_OD]	= &mclk_pll_od.hw,
+	[CLKID_MCLK_PLL]	= &mclk_pll.hw,
+	[CLKID_MCLK0_SEL]	= &mclk0_sel.hw,
+	[CLKID_MCLK0_SEL_EN]	= &mclk0_div_en.hw,
+	[CLKID_MCLK0_DIV]	= &mclk0_div.hw,
+	[CLKID_MCLK0]		= &mclk0.hw,
+	[CLKID_MCLK1_SEL]	= &mclk1_sel.hw,
+	[CLKID_MCLK1_SEL_EN]	= &mclk1_div_en.hw,
+	[CLKID_MCLK1_DIV]	= &mclk1_div.hw,
+	[CLKID_MCLK1]		= &mclk1.hw
+};
+
+/* Convenience table to populate regmap in .probe */
+static struct clk_regmap *const c3_pll_clk_regmaps[] = {
+	&fclk_50m_en,
+	&fclk_div2,
+	&fclk_div2p5,
+	&fclk_div3,
+	&fclk_div4,
+	&fclk_div5,
+	&fclk_div7,
+	&gp0_pll_dco,
+	&gp0_pll,
+	&hifi_pll_dco,
+	&hifi_pll,
+	&mclk_pll_dco,
+	&mclk_pll_od,
+	&mclk_pll,
+	&mclk0_sel,
+	&mclk0_div_en,
+	&mclk0_div,
+	&mclk0,
+	&mclk1_sel,
+	&mclk1_div_en,
+	&mclk1_div,
+	&mclk1,
+};
+
+static struct regmap_config clkc_regmap_config = {
+	.reg_bits       = 32,
+	.val_bits       = 32,
+	.reg_stride     = 4,
+	.max_register   = ANACTRL_MPLL_CTRL4,
+};
+
+static struct meson_clk_hw_data c3_pll_clks = {
+	.hws = c3_pll_hw_clks,
+	.num = ARRAY_SIZE(c3_pll_hw_clks),
+};
+
+static int aml_c3_pll_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct regmap *regmap;
+	void __iomem *base;
+	int clkid, ret, i;
+
+	base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	regmap = devm_regmap_init_mmio(dev, base, &clkc_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	/* Populate regmap for the regmap backed clocks */
+	for (i = 0; i < ARRAY_SIZE(c3_pll_clk_regmaps); i++)
+		c3_pll_clk_regmaps[i]->map = regmap;
+
+	for (clkid = 0; clkid < c3_pll_clks.num; clkid++) {
+		/* array might be sparse */
+		if (!c3_pll_clks.hws[clkid])
+			continue;
+
+		ret = devm_clk_hw_register(dev, c3_pll_clks.hws[clkid]);
+		if (ret) {
+			dev_err(dev, "Clock registration failed\n");
+			return ret;
+		}
+	}
+
+	return devm_of_clk_add_hw_provider(dev, meson_clk_hw_get,
+					   &c3_pll_clks);
+}
+
+static const struct of_device_id c3_pll_clkc_match_table[] = {
+	{
+		.compatible = "amlogic,c3-pll-clkc",
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(of, c3_pll_clkc_match_table);
+
+static struct platform_driver c3_pll_driver = {
+	.probe		= aml_c3_pll_probe,
+	.driver		= {
+		.name	= "c3-pll-clkc",
+		.of_match_table = c3_pll_clkc_match_table,
+	},
+};
+
+module_platform_driver(c3_pll_driver);
+MODULE_AUTHOR("Chuan Liu <chuan.liu@amlogic.com>");
+MODULE_LICENSE("GPL");