Re: [PATCH 7/7] clk: meson: axg: add the audio clock controller driver

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On 25/04/2018 18:33, Jerome Brunet wrote:
> The axg audio clock controller is the clock generation unit for the
> amlogic audio subsystem of A113 based SoCs. It may be clocked by 8
> different plls provided by the primary clock controller and also by
> 10 slave bit clocks and 10 slave sample clocks which may be provided
> by external components, such as audio codecs, through the SoC pads.
> 
> It contains several muxes, dividers and gates which are fed into the
> the different devices of the audio subsystem.
> 
> Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> ---
>  drivers/clk/meson/Kconfig     |   9 +
>  drivers/clk/meson/Makefile    |   1 +
>  drivers/clk/meson/axg-audio.c | 845 ++++++++++++++++++++++++++++++++++++++++++
>  drivers/clk/meson/axg-audio.h | 127 +++++++
>  4 files changed, 982 insertions(+)
>  create mode 100644 drivers/clk/meson/axg-audio.c
>  create mode 100644 drivers/clk/meson/axg-audio.h
> 
> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
> index 7f7fd6fb3809..006fa1204e5b 100644
> --- a/drivers/clk/meson/Kconfig
> +++ b/drivers/clk/meson/Kconfig
> @@ -38,3 +38,12 @@ 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_AXG_AUDIO
> +	tristate "Meson AXG Audio Clock Controller Driver"
> +	depends on COMMON_CLK_AXG
> +	select COMMON_CLK_AMLOGIC_AUDIO
> +	select MFD_SYSCON
> +	help
> +	  Support for the audio clock controller on AmLogic A113D devices,
> +	  aka axg, Say Y if you want audio subsystem to work.
> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
> index f51b4754c31b..1ab89b627586 100644
> --- a/drivers/clk/meson/Makefile
> +++ b/drivers/clk/meson/Makefile
> @@ -8,4 +8,5 @@ obj-$(CONFIG_COMMON_CLK_AMLOGIC_AUDIO)	+= clk-triphase.o sclk-div.o
>  obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o
>  obj-$(CONFIG_COMMON_CLK_GXBB)	 += gxbb.o gxbb-aoclk.o gxbb-aoclk-32k.o
>  obj-$(CONFIG_COMMON_CLK_AXG)	 += axg.o
> +obj-$(CONFIG_COMMON_CLK_AXG_AUDIO)	+= axg-audio.o
>  obj-$(CONFIG_COMMON_CLK_REGMAP_MESON)	+= clk-regmap.o
> diff --git a/drivers/clk/meson/axg-audio.c b/drivers/clk/meson/axg-audio.c
> new file mode 100644
> index 000000000000..830c13ccd819
> --- /dev/null
> +++ b/drivers/clk/meson/axg-audio.c
> @@ -0,0 +1,845 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2018 BayLibre, SAS.
> + * Author: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> + */
> +
> +#include <linux/clk.h>
> +#include <linux/clk-provider.h>
> +#include <linux/init.h>
> +#include <linux/of_device.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/regmap.h>
> +#include <linux/reset.h>
> +#include <linux/slab.h>
> +
> +#include "clkc-audio.h"
> +#include "axg-audio.h"
> +
> +#define AXG_MST_IN_COUNT	8
> +#define AXG_SLV_SCLK_COUNT	10
> +#define AXG_SLV_LRCLK_COUNT	10
> +
> +#define AXG_AUD_GATE(_name, _reg, _bit, _pname, _iflags)		\
> +struct clk_regmap axg_##_name = {					\
> +	.data = &(struct clk_regmap_gate_data){				\
> +		.offset = (_reg),					\
> +		.bit_idx = (_bit),					\
> +	},								\
> +	.hw.init = &(struct clk_init_data) {				\
> +		.name = "axg_"#_name,					\
> +		.ops = &clk_regmap_gate_ops,				\
> +		.parent_names = (const char *[]){ _pname },		\
> +		.num_parents = 1,					\
> +		.flags = CLK_DUTY_CYCLE_PARENT | (_iflags),		\
> +	},								\
> +}
> +
> +#define AXG_AUD_MUX(_name, _reg, _mask, _shift, _dflags, _pnames, _iflags) \
> +struct clk_regmap axg_##_name = {					\
> +	.data = &(struct clk_regmap_mux_data){				\
> +		.offset = (_reg),					\
> +		.mask = (_mask),					\
> +		.shift = (_shift),					\
> +		.flags = (_dflags),					\
> +	},								\
> +	.hw.init = &(struct clk_init_data){				\
> +		.name = "axg_"#_name,					\
> +		.ops = &clk_regmap_mux_ops,				\
> +		.parent_names = (_pnames),				\
> +		.num_parents = ARRAY_SIZE(_pnames),			\
> +		.flags = CLK_DUTY_CYCLE_PARENT | (_iflags),		\
> +	},								\
> +}
> +
> +#define AXG_AUD_DIV(_name, _reg, _shift, _width, _dflags, _pname, _iflags) \
> +struct clk_regmap axg_##_name = {					\
> +	.data = &(struct clk_regmap_div_data){				\
> +		.offset = (_reg),					\
> +		.shift = (_shift),					\
> +		.width = (_width),					\
> +		.flags = (_dflags),					\
> +	},								\
> +	.hw.init = &(struct clk_init_data){				\
> +		.name = "axg_"#_name,					\
> +		.ops = &clk_regmap_divider_ops,				\
> +		.parent_names = (const char *[]) { _pname },		\
> +		.num_parents = 1,					\
> +		.flags = (_iflags),					\
> +	},								\
> +}
> +
> +#define AXG_PCLK_GATE(_name, _bit)				\
> +	AXG_AUD_GATE(_name, AUDIO_CLK_GATE_EN, _bit, "axg_audio_pclk", 0)
> +
> +/* Audio peripheral clocks */
> +static AXG_PCLK_GATE(ddr_arb,	   0);
> +static AXG_PCLK_GATE(pdm,	   1);
> +static AXG_PCLK_GATE(tdmin_a,	   2);
> +static AXG_PCLK_GATE(tdmin_b,	   3);
> +static AXG_PCLK_GATE(tdmin_c,	   4);
> +static AXG_PCLK_GATE(tdmin_lb,	   5);
> +static AXG_PCLK_GATE(tdmout_a,	   6);
> +static AXG_PCLK_GATE(tdmout_b,	   7);
> +static AXG_PCLK_GATE(tdmout_c,	   8);
> +static AXG_PCLK_GATE(frddr_a,	   9);
> +static AXG_PCLK_GATE(frddr_b,	   10);
> +static AXG_PCLK_GATE(frddr_c,	   11);
> +static AXG_PCLK_GATE(toddr_a,	   12);
> +static AXG_PCLK_GATE(toddr_b,	   13);
> +static AXG_PCLK_GATE(toddr_c,	   14);
> +static AXG_PCLK_GATE(loopback,	   15);
> +static AXG_PCLK_GATE(spdifin,	   16);
> +static AXG_PCLK_GATE(spdifout,	   17);
> +static AXG_PCLK_GATE(resample,	   18);
> +static AXG_PCLK_GATE(power_detect, 19);
> +
> +/* Audio Master Clocks */
> +static const char * const mst_mux_parent_names[] = {
> +	"axg_mst_in0", "axg_mst_in1", "axg_mst_in2", "axg_mst_in3",
> +	"axg_mst_in4", "axg_mst_in5", "axg_mst_in6", "axg_mst_in7",
> +};
> +
> +#define AXG_MST_MCLK_MUX(_name, _reg)					\
> +	AXG_AUD_MUX(_name##_sel, _reg, 0x7, 24, CLK_MUX_ROUND_CLOSEST, \
> +		    mst_mux_parent_names, CLK_SET_RATE_PARENT)
> +
> +static AXG_MST_MCLK_MUX(mst_a_mclk,   AUDIO_MCLK_A_CTRL);
> +static AXG_MST_MCLK_MUX(mst_b_mclk,   AUDIO_MCLK_B_CTRL);
> +static AXG_MST_MCLK_MUX(mst_c_mclk,   AUDIO_MCLK_C_CTRL);
> +static AXG_MST_MCLK_MUX(mst_d_mclk,   AUDIO_MCLK_D_CTRL);
> +static AXG_MST_MCLK_MUX(mst_e_mclk,   AUDIO_MCLK_E_CTRL);
> +static AXG_MST_MCLK_MUX(mst_f_mclk,   AUDIO_MCLK_F_CTRL);
> +static AXG_MST_MCLK_MUX(spdifout_clk, AUDIO_CLK_SPDIFOUT_CTRL);
> +static AXG_MST_MCLK_MUX(spdifin_clk,  AUDIO_CLK_SPDIFIN_CTRL);
> +static AXG_MST_MCLK_MUX(pdm_dclk,     AUDIO_CLK_PDMIN_CTRL0);
> +static AXG_MST_MCLK_MUX(pdm_sysclk,   AUDIO_CLK_PDMIN_CTRL1);
> +
> +#define AXG_MST_MCLK_DIV(_name, _reg)					\
> +	AXG_AUD_DIV(_name##_div, _reg, 0, 16, CLK_DIVIDER_ROUND_CLOSEST, \
> +		    "axg_"#_name"_sel", CLK_SET_RATE_PARENT)		\
> +
> +static AXG_MST_MCLK_DIV(mst_a_mclk,   AUDIO_MCLK_A_CTRL);
> +static AXG_MST_MCLK_DIV(mst_b_mclk,   AUDIO_MCLK_B_CTRL);
> +static AXG_MST_MCLK_DIV(mst_c_mclk,   AUDIO_MCLK_C_CTRL);
> +static AXG_MST_MCLK_DIV(mst_d_mclk,   AUDIO_MCLK_D_CTRL);
> +static AXG_MST_MCLK_DIV(mst_e_mclk,   AUDIO_MCLK_E_CTRL);
> +static AXG_MST_MCLK_DIV(mst_f_mclk,   AUDIO_MCLK_F_CTRL);
> +static AXG_MST_MCLK_DIV(spdifout_clk, AUDIO_CLK_SPDIFOUT_CTRL);
> +static AXG_MST_MCLK_DIV(spdifin_clk,  AUDIO_CLK_SPDIFIN_CTRL);
> +static AXG_MST_MCLK_DIV(pdm_dclk,     AUDIO_CLK_PDMIN_CTRL0);
> +static AXG_MST_MCLK_DIV(pdm_sysclk,   AUDIO_CLK_PDMIN_CTRL1);
> +
> +#define AXG_MST_MCLK_GATE(_name, _reg)					\
> +	AXG_AUD_GATE(_name, _reg, 31,  "axg_"#_name"_div",		\
> +		     CLK_SET_RATE_PARENT)
> +
> +static AXG_MST_MCLK_GATE(mst_a_mclk,   AUDIO_MCLK_A_CTRL);
> +static AXG_MST_MCLK_GATE(mst_b_mclk,   AUDIO_MCLK_B_CTRL);
> +static AXG_MST_MCLK_GATE(mst_c_mclk,   AUDIO_MCLK_C_CTRL);
> +static AXG_MST_MCLK_GATE(mst_d_mclk,   AUDIO_MCLK_D_CTRL);
> +static AXG_MST_MCLK_GATE(mst_e_mclk,   AUDIO_MCLK_E_CTRL);
> +static AXG_MST_MCLK_GATE(mst_f_mclk,   AUDIO_MCLK_F_CTRL);
> +static AXG_MST_MCLK_GATE(spdifout_clk, AUDIO_CLK_SPDIFOUT_CTRL);
> +static AXG_MST_MCLK_GATE(spdifin_clk,  AUDIO_CLK_SPDIFIN_CTRL);
> +static AXG_MST_MCLK_GATE(pdm_dclk,     AUDIO_CLK_PDMIN_CTRL0);
> +static AXG_MST_MCLK_GATE(pdm_sysclk,   AUDIO_CLK_PDMIN_CTRL1);
> +
> +/* Sample Clocks */
> +#define AXG_MST_SCLK_PRE_EN(_name, _reg)			\
> +	AXG_AUD_GATE(mst_##_name##_sclk_pre_en, _reg, 31,	\
> +		     "axg_mst_"#_name"_mclk", 0)
> +
> +static AXG_MST_SCLK_PRE_EN(a, AUDIO_MST_A_SCLK_CTRL0);
> +static AXG_MST_SCLK_PRE_EN(b, AUDIO_MST_B_SCLK_CTRL0);
> +static AXG_MST_SCLK_PRE_EN(c, AUDIO_MST_C_SCLK_CTRL0);
> +static AXG_MST_SCLK_PRE_EN(d, AUDIO_MST_D_SCLK_CTRL0);
> +static AXG_MST_SCLK_PRE_EN(e, AUDIO_MST_E_SCLK_CTRL0);
> +static AXG_MST_SCLK_PRE_EN(f, AUDIO_MST_F_SCLK_CTRL0);
> +
> +#define AXG_AUD_SCLK_DIV(_name, _reg, _div_shift, _div_width,		\
> +			 _hi_shift, _hi_width, _pname, _iflags)		\
> +struct clk_regmap axg_##_name = {					\
> +	.data = &(struct meson_sclk_div_data) {				\
> +		.div = {						\
> +			.reg_off = (_reg),				\
> +			.shift   = (_div_shift),			\
> +			.width   = (_div_width),			\
> +		},							\
> +		.hi = {							\
> +			.reg_off = (_reg),				\
> +			.shift   = (_hi_shift),				\
> +			.width   = (_hi_width),				\
> +		},							\
> +	},								\
> +	.hw.init = &(struct clk_init_data) {				\
> +		.name = "axg_"#_name,					\
> +		.ops = &meson_sclk_div_ops,				\
> +		.parent_names = (const char *[]) { _pname },		\
> +		.num_parents = 1,					\
> +		.flags = (_iflags),					\
> +	},								\
> +}
> +
> +#define AXG_MST_SCLK_DIV(_name, _reg)					\
> +	AXG_AUD_SCLK_DIV(mst_##_name##_sclk_div, _reg, 20, 10, 0, 0,	\
> +			 "axg_mst_"#_name"_sclk_pre_en",		\
> +			 CLK_SET_RATE_PARENT)
> +
> +static AXG_MST_SCLK_DIV(a, AUDIO_MST_A_SCLK_CTRL0);
> +static AXG_MST_SCLK_DIV(b, AUDIO_MST_B_SCLK_CTRL0);
> +static AXG_MST_SCLK_DIV(c, AUDIO_MST_C_SCLK_CTRL0);
> +static AXG_MST_SCLK_DIV(d, AUDIO_MST_D_SCLK_CTRL0);
> +static AXG_MST_SCLK_DIV(e, AUDIO_MST_E_SCLK_CTRL0);
> +static AXG_MST_SCLK_DIV(f, AUDIO_MST_F_SCLK_CTRL0);
> +
> +#define AXG_MST_SCLK_POST_EN(_name, _reg)				\
> +	AXG_AUD_GATE(mst_##_name##_sclk_post_en, _reg, 30,		\
> +		     "axg_mst_"#_name"_sclk_div", CLK_SET_RATE_PARENT)
> +
> +static AXG_MST_SCLK_POST_EN(a, AUDIO_MST_A_SCLK_CTRL0);
> +static AXG_MST_SCLK_POST_EN(b, AUDIO_MST_B_SCLK_CTRL0);
> +static AXG_MST_SCLK_POST_EN(c, AUDIO_MST_C_SCLK_CTRL0);
> +static AXG_MST_SCLK_POST_EN(d, AUDIO_MST_D_SCLK_CTRL0);
> +static AXG_MST_SCLK_POST_EN(e, AUDIO_MST_E_SCLK_CTRL0);
> +static AXG_MST_SCLK_POST_EN(f, AUDIO_MST_F_SCLK_CTRL0);
> +
> +#define AXG_AUD_TRIPHASE(_name, _reg, _width, _shift0, _shift1, _shift2, \
> +			 _pname, _iflags)				\
> +struct clk_regmap axg_##_name = {					\
> +	.data = &(struct meson_clk_triphase_data) {			\
> +		.ph0 = {						\
> +			.reg_off = (_reg),				\
> +			.shift   = (_shift0),				\
> +			.width   = (_width),				\
> +		},							\
> +		.ph1 = {						\
> +			.reg_off = (_reg),				\
> +			.shift   = (_shift1),				\
> +			.width   = (_width),				\
> +		},							\
> +		.ph2 = {						\
> +			.reg_off = (_reg),				\
> +			.shift   = (_shift2),				\
> +			.width   = (_width),				\
> +		},							\
> +	},								\
> +	.hw.init = &(struct clk_init_data) {				\
> +		.name = "axg_"#_name,					\
> +		.ops = &meson_clk_triphase_ops,				\
> +		.parent_names = (const char *[]) { _pname },		\
> +		.num_parents = 1,					\
> +		.flags = CLK_DUTY_CYCLE_PARENT | (_iflags),		\
> +	},								\
> +}
> +
> +#define AXG_MST_SCLK(_name, _reg)					\
> +	AXG_AUD_TRIPHASE(mst_##_name##_sclk, _reg, 1, 0, 2, 4,		\
> +			 "axg_mst_"#_name"_sclk_post_en", CLK_SET_RATE_PARENT)
> +
> +static AXG_MST_SCLK(a, AUDIO_MST_A_SCLK_CTRL1);
> +static AXG_MST_SCLK(b, AUDIO_MST_B_SCLK_CTRL1);
> +static AXG_MST_SCLK(c, AUDIO_MST_C_SCLK_CTRL1);
> +static AXG_MST_SCLK(d, AUDIO_MST_D_SCLK_CTRL1);
> +static AXG_MST_SCLK(e, AUDIO_MST_E_SCLK_CTRL1);
> +static AXG_MST_SCLK(f, AUDIO_MST_F_SCLK_CTRL1);
> +
> +#define AXG_MST_LRCLK_DIV(_name, _reg)					\
> +	AXG_AUD_SCLK_DIV(mst_##_name##_lrclk_div, _reg, 0, 10, 10, 10,	\
> +		    "axg_mst_"#_name"_sclk_post_en", 0)			\
> +
> +static AXG_MST_LRCLK_DIV(a, AUDIO_MST_A_SCLK_CTRL0);
> +static AXG_MST_LRCLK_DIV(b, AUDIO_MST_B_SCLK_CTRL0);
> +static AXG_MST_LRCLK_DIV(c, AUDIO_MST_C_SCLK_CTRL0);
> +static AXG_MST_LRCLK_DIV(d, AUDIO_MST_D_SCLK_CTRL0);
> +static AXG_MST_LRCLK_DIV(e, AUDIO_MST_E_SCLK_CTRL0);
> +static AXG_MST_LRCLK_DIV(f, AUDIO_MST_F_SCLK_CTRL0);
> +
> +#define AXG_MST_LRCLK(_name, _reg)					\
> +	AXG_AUD_TRIPHASE(mst_##_name##_lrclk, _reg, 1, 1, 3, 5,		\
> +			 "axg_mst_"#_name"_lrclk_div", CLK_SET_RATE_PARENT)
> +
> +static AXG_MST_LRCLK(a, AUDIO_MST_A_SCLK_CTRL1);
> +static AXG_MST_LRCLK(b, AUDIO_MST_B_SCLK_CTRL1);
> +static AXG_MST_LRCLK(c, AUDIO_MST_C_SCLK_CTRL1);
> +static AXG_MST_LRCLK(d, AUDIO_MST_D_SCLK_CTRL1);
> +static AXG_MST_LRCLK(e, AUDIO_MST_E_SCLK_CTRL1);
> +static AXG_MST_LRCLK(f, AUDIO_MST_F_SCLK_CTRL1);
> +
> +static const char * const tdm_sclk_parent_names[] = {
> +	"axg_mst_a_sclk", "axg_mst_b_sclk", "axg_mst_c_sclk",
> +	"axg_mst_d_sclk", "axg_mst_e_sclk", "axg_mst_f_sclk",
> +	"axg_slv_sclk0", "axg_slv_sclk1", "axg_slv_sclk2",
> +	"axg_slv_sclk3", "axg_slv_sclk4", "axg_slv_sclk5",
> +	"axg_slv_sclk6", "axg_slv_sclk7", "axg_slv_sclk8",
> +	"axg_slv_sclk9"
> +};
> +
> +#define AXG_TDM_SCLK_MUX(_name, _reg)				\
> +	AXG_AUD_MUX(tdm##_name##_sclk_sel, _reg, 0xf, 24,	\
> +		    CLK_MUX_ROUND_CLOSEST,			\
> +		    tdm_sclk_parent_names, 0)
> +
> +static AXG_TDM_SCLK_MUX(in_a,  AUDIO_CLK_TDMIN_A_CTRL);
> +static AXG_TDM_SCLK_MUX(in_b,  AUDIO_CLK_TDMIN_B_CTRL);
> +static AXG_TDM_SCLK_MUX(in_c,  AUDIO_CLK_TDMIN_C_CTRL);
> +static AXG_TDM_SCLK_MUX(in_lb, AUDIO_CLK_TDMIN_LB_CTRL);
> +static AXG_TDM_SCLK_MUX(out_a, AUDIO_CLK_TDMOUT_A_CTRL);
> +static AXG_TDM_SCLK_MUX(out_b, AUDIO_CLK_TDMOUT_B_CTRL);
> +static AXG_TDM_SCLK_MUX(out_c, AUDIO_CLK_TDMOUT_C_CTRL);
> +
> +#define AXG_TDM_SCLK_PRE_EN(_name, _reg)				\
> +	AXG_AUD_GATE(tdm##_name##_sclk_pre_en, _reg, 31,		\
> +		     "axg_tdm"#_name"_sclk_sel", CLK_SET_RATE_PARENT)
> +
> +static AXG_TDM_SCLK_PRE_EN(in_a,  AUDIO_CLK_TDMIN_A_CTRL);
> +static AXG_TDM_SCLK_PRE_EN(in_b,  AUDIO_CLK_TDMIN_B_CTRL);
> +static AXG_TDM_SCLK_PRE_EN(in_c,  AUDIO_CLK_TDMIN_C_CTRL);
> +static AXG_TDM_SCLK_PRE_EN(in_lb, AUDIO_CLK_TDMIN_LB_CTRL);
> +static AXG_TDM_SCLK_PRE_EN(out_a, AUDIO_CLK_TDMOUT_A_CTRL);
> +static AXG_TDM_SCLK_PRE_EN(out_b, AUDIO_CLK_TDMOUT_B_CTRL);
> +static AXG_TDM_SCLK_PRE_EN(out_c, AUDIO_CLK_TDMOUT_C_CTRL);
> +
> +#define AXG_TDM_SCLK_POST_EN(_name, _reg)				\
> +	AXG_AUD_GATE(tdm##_name##_sclk_post_en, _reg, 30,		\
> +		     "axg_tdm"#_name"_sclk_pre_en", CLK_SET_RATE_PARENT)
> +
> +static AXG_TDM_SCLK_POST_EN(in_a,  AUDIO_CLK_TDMIN_A_CTRL);
> +static AXG_TDM_SCLK_POST_EN(in_b,  AUDIO_CLK_TDMIN_B_CTRL);
> +static AXG_TDM_SCLK_POST_EN(in_c,  AUDIO_CLK_TDMIN_C_CTRL);
> +static AXG_TDM_SCLK_POST_EN(in_lb, AUDIO_CLK_TDMIN_LB_CTRL);
> +static AXG_TDM_SCLK_POST_EN(out_a, AUDIO_CLK_TDMOUT_A_CTRL);
> +static AXG_TDM_SCLK_POST_EN(out_b, AUDIO_CLK_TDMOUT_B_CTRL);
> +static AXG_TDM_SCLK_POST_EN(out_c, AUDIO_CLK_TDMOUT_C_CTRL);
> +
> +#define AXG_TDM_SCLK(_name, _reg)					\
> +	struct clk_regmap axg_tdm##_name##_sclk = {			\
> +	.data = &(struct meson_clk_phase_data) {			\
> +		.ph = {							\
> +			.reg_off = (_reg),				\
> +			.shift   = 29,					\
> +			.width   = 1,					\
> +		},							\
> +	},								\
> +	.hw.init = &(struct clk_init_data) {				\
> +		.name = "axg_tdm"#_name"_sclk",				\
> +		.ops = &meson_clk_phase_ops,				\
> +		.parent_names = (const char *[])			\
> +		{ "axg_tdm"#_name"_sclk_post_en" },			\
> +		.num_parents = 1,					\
> +		.flags = CLK_DUTY_CYCLE_PARENT | CLK_SET_RATE_PARENT,	\
> +	},								\
> +}
> +
> +static AXG_TDM_SCLK(in_a,  AUDIO_CLK_TDMIN_A_CTRL);
> +static AXG_TDM_SCLK(in_b,  AUDIO_CLK_TDMIN_B_CTRL);
> +static AXG_TDM_SCLK(in_c,  AUDIO_CLK_TDMIN_C_CTRL);
> +static AXG_TDM_SCLK(in_lb, AUDIO_CLK_TDMIN_LB_CTRL);
> +static AXG_TDM_SCLK(out_a, AUDIO_CLK_TDMOUT_A_CTRL);
> +static AXG_TDM_SCLK(out_b, AUDIO_CLK_TDMOUT_B_CTRL);
> +static AXG_TDM_SCLK(out_c, AUDIO_CLK_TDMOUT_C_CTRL);
> +
> +static const char * const tdm_lrclk_parent_names[] = {
> +	"axg_mst_a_lrclk", "axg_mst_b_lrclk", "axg_mst_c_lrclk",
> +	"axg_mst_d_lrclk", "axg_mst_e_lrclk", "axg_mst_f_lrclk",
> +	"axg_slv_lrclk0", "axg_slv_lrclk1", "axg_slv_lrclk2",
> +	"axg_slv_lrclk3", "axg_slv_lrclk4", "axg_slv_lrclk5",
> +	"axg_slv_lrclk6", "axg_slv_lrclk7", "axg_slv_lrclk8",
> +	"axg_slv_lrclk9"
> +};
> +
> +#define AXG_TDM_LRLCK(_name, _reg)		       \
> +	AXG_AUD_MUX(tdm##_name##_lrclk, _reg, 0xf, 20, \
> +		    CLK_MUX_ROUND_CLOSEST,	       \
> +		    tdm_lrclk_parent_names, 0)
> +
> +static AXG_TDM_LRLCK(in_a,  AUDIO_CLK_TDMIN_A_CTRL);
> +static AXG_TDM_LRLCK(in_b,  AUDIO_CLK_TDMIN_B_CTRL);
> +static AXG_TDM_LRLCK(in_c,  AUDIO_CLK_TDMIN_C_CTRL);
> +static AXG_TDM_LRLCK(in_lb, AUDIO_CLK_TDMIN_LB_CTRL);
> +static AXG_TDM_LRLCK(out_a, AUDIO_CLK_TDMOUT_A_CTRL);
> +static AXG_TDM_LRLCK(out_b, AUDIO_CLK_TDMOUT_B_CTRL);
> +static AXG_TDM_LRLCK(out_c, AUDIO_CLK_TDMOUT_C_CTRL);
> +
> +/*
> + * Array of all clocks provided by this provider
> + * The input clocks of the controller will be populated at runtime
> + */
> +static struct clk_hw_onecell_data axg_audio_hw_onecell_data = {
> +	.hws = {
> +		[AUD_CLKID_DDR_ARB]		= &axg_ddr_arb.hw,
> +		[AUD_CLKID_PDM]			= &axg_pdm.hw,
> +		[AUD_CLKID_TDMIN_A]		= &axg_tdmin_a.hw,
> +		[AUD_CLKID_TDMIN_B]		= &axg_tdmin_b.hw,
> +		[AUD_CLKID_TDMIN_C]		= &axg_tdmin_c.hw,
> +		[AUD_CLKID_TDMIN_LB]		= &axg_tdmin_lb.hw,
> +		[AUD_CLKID_TDMOUT_A]		= &axg_tdmout_a.hw,
> +		[AUD_CLKID_TDMOUT_B]		= &axg_tdmout_b.hw,
> +		[AUD_CLKID_TDMOUT_C]		= &axg_tdmout_c.hw,
> +		[AUD_CLKID_FRDDR_A]		= &axg_frddr_a.hw,
> +		[AUD_CLKID_FRDDR_B]		= &axg_frddr_b.hw,
> +		[AUD_CLKID_FRDDR_C]		= &axg_frddr_c.hw,
> +		[AUD_CLKID_TODDR_A]		= &axg_toddr_a.hw,
> +		[AUD_CLKID_TODDR_B]		= &axg_toddr_b.hw,
> +		[AUD_CLKID_TODDR_C]		= &axg_toddr_c.hw,
> +		[AUD_CLKID_LOOPBACK]		= &axg_loopback.hw,
> +		[AUD_CLKID_SPDIFIN]		= &axg_spdifin.hw,
> +		[AUD_CLKID_SPDIFOUT]		= &axg_spdifout.hw,
> +		[AUD_CLKID_RESAMPLE]		= &axg_resample.hw,
> +		[AUD_CLKID_POWER_DETECT]	= &axg_power_detect.hw,
> +		[AUD_CLKID_MST_A_MCLK_SEL]	= &axg_mst_a_mclk_sel.hw,
> +		[AUD_CLKID_MST_B_MCLK_SEL]	= &axg_mst_b_mclk_sel.hw,
> +		[AUD_CLKID_MST_C_MCLK_SEL]	= &axg_mst_c_mclk_sel.hw,
> +		[AUD_CLKID_MST_D_MCLK_SEL]	= &axg_mst_d_mclk_sel.hw,
> +		[AUD_CLKID_MST_E_MCLK_SEL]	= &axg_mst_e_mclk_sel.hw,
> +		[AUD_CLKID_MST_F_MCLK_SEL]	= &axg_mst_f_mclk_sel.hw,
> +		[AUD_CLKID_MST_A_MCLK_DIV]	= &axg_mst_a_mclk_div.hw,
> +		[AUD_CLKID_MST_B_MCLK_DIV]	= &axg_mst_b_mclk_div.hw,
> +		[AUD_CLKID_MST_C_MCLK_DIV]	= &axg_mst_c_mclk_div.hw,
> +		[AUD_CLKID_MST_D_MCLK_DIV]	= &axg_mst_d_mclk_div.hw,
> +		[AUD_CLKID_MST_E_MCLK_DIV]	= &axg_mst_e_mclk_div.hw,
> +		[AUD_CLKID_MST_F_MCLK_DIV]	= &axg_mst_f_mclk_div.hw,
> +		[AUD_CLKID_MST_A_MCLK]		= &axg_mst_a_mclk.hw,
> +		[AUD_CLKID_MST_B_MCLK]		= &axg_mst_b_mclk.hw,
> +		[AUD_CLKID_MST_C_MCLK]		= &axg_mst_c_mclk.hw,
> +		[AUD_CLKID_MST_D_MCLK]		= &axg_mst_d_mclk.hw,
> +		[AUD_CLKID_MST_E_MCLK]		= &axg_mst_e_mclk.hw,
> +		[AUD_CLKID_MST_F_MCLK]		= &axg_mst_f_mclk.hw,
> +		[AUD_CLKID_SPDIFOUT_CLK_SEL]	= &axg_spdifout_clk_sel.hw,
> +		[AUD_CLKID_SPDIFOUT_CLK_DIV]	= &axg_spdifout_clk_div.hw,
> +		[AUD_CLKID_SPDIFOUT_CLK]	= &axg_spdifout_clk.hw,
> +		[AUD_CLKID_SPDIFIN_CLK_SEL]	= &axg_spdifin_clk_sel.hw,
> +		[AUD_CLKID_SPDIFIN_CLK_DIV]	= &axg_spdifin_clk_div.hw,
> +		[AUD_CLKID_SPDIFIN_CLK]		= &axg_spdifin_clk.hw,
> +		[AUD_CLKID_PDM_DCLK_SEL]	= &axg_pdm_dclk_sel.hw,
> +		[AUD_CLKID_PDM_DCLK_DIV]	= &axg_pdm_dclk_div.hw,
> +		[AUD_CLKID_PDM_DCLK]		= &axg_pdm_dclk.hw,
> +		[AUD_CLKID_PDM_SYSCLK_SEL]	= &axg_pdm_sysclk_sel.hw,
> +		[AUD_CLKID_PDM_SYSCLK_DIV]	= &axg_pdm_sysclk_div.hw,
> +		[AUD_CLKID_PDM_SYSCLK]		= &axg_pdm_sysclk.hw,
> +		[AUD_CLKID_MST_A_SCLK_PRE_EN]	= &axg_mst_a_sclk_pre_en.hw,
> +		[AUD_CLKID_MST_B_SCLK_PRE_EN]	= &axg_mst_b_sclk_pre_en.hw,
> +		[AUD_CLKID_MST_C_SCLK_PRE_EN]	= &axg_mst_c_sclk_pre_en.hw,
> +		[AUD_CLKID_MST_D_SCLK_PRE_EN]	= &axg_mst_d_sclk_pre_en.hw,
> +		[AUD_CLKID_MST_E_SCLK_PRE_EN]	= &axg_mst_e_sclk_pre_en.hw,
> +		[AUD_CLKID_MST_F_SCLK_PRE_EN]	= &axg_mst_f_sclk_pre_en.hw,
> +		[AUD_CLKID_MST_A_SCLK_DIV]	= &axg_mst_a_sclk_div.hw,
> +		[AUD_CLKID_MST_B_SCLK_DIV]	= &axg_mst_b_sclk_div.hw,
> +		[AUD_CLKID_MST_C_SCLK_DIV]	= &axg_mst_c_sclk_div.hw,
> +		[AUD_CLKID_MST_D_SCLK_DIV]	= &axg_mst_d_sclk_div.hw,
> +		[AUD_CLKID_MST_E_SCLK_DIV]	= &axg_mst_e_sclk_div.hw,
> +		[AUD_CLKID_MST_F_SCLK_DIV]	= &axg_mst_f_sclk_div.hw,
> +		[AUD_CLKID_MST_A_SCLK_POST_EN]	= &axg_mst_a_sclk_post_en.hw,
> +		[AUD_CLKID_MST_B_SCLK_POST_EN]	= &axg_mst_b_sclk_post_en.hw,
> +		[AUD_CLKID_MST_C_SCLK_POST_EN]	= &axg_mst_c_sclk_post_en.hw,
> +		[AUD_CLKID_MST_D_SCLK_POST_EN]	= &axg_mst_d_sclk_post_en.hw,
> +		[AUD_CLKID_MST_E_SCLK_POST_EN]	= &axg_mst_e_sclk_post_en.hw,
> +		[AUD_CLKID_MST_F_SCLK_POST_EN]	= &axg_mst_f_sclk_post_en.hw,
> +		[AUD_CLKID_MST_A_SCLK]		= &axg_mst_a_sclk.hw,
> +		[AUD_CLKID_MST_B_SCLK]		= &axg_mst_b_sclk.hw,
> +		[AUD_CLKID_MST_C_SCLK]		= &axg_mst_c_sclk.hw,
> +		[AUD_CLKID_MST_D_SCLK]		= &axg_mst_d_sclk.hw,
> +		[AUD_CLKID_MST_E_SCLK]		= &axg_mst_e_sclk.hw,
> +		[AUD_CLKID_MST_F_SCLK]		= &axg_mst_f_sclk.hw,
> +		[AUD_CLKID_MST_A_LRCLK_DIV]	= &axg_mst_a_lrclk_div.hw,
> +		[AUD_CLKID_MST_B_LRCLK_DIV]	= &axg_mst_b_lrclk_div.hw,
> +		[AUD_CLKID_MST_C_LRCLK_DIV]	= &axg_mst_c_lrclk_div.hw,
> +		[AUD_CLKID_MST_D_LRCLK_DIV]	= &axg_mst_d_lrclk_div.hw,
> +		[AUD_CLKID_MST_E_LRCLK_DIV]	= &axg_mst_e_lrclk_div.hw,
> +		[AUD_CLKID_MST_F_LRCLK_DIV]	= &axg_mst_f_lrclk_div.hw,
> +		[AUD_CLKID_MST_A_LRCLK]		= &axg_mst_a_lrclk.hw,
> +		[AUD_CLKID_MST_B_LRCLK]		= &axg_mst_b_lrclk.hw,
> +		[AUD_CLKID_MST_C_LRCLK]		= &axg_mst_c_lrclk.hw,
> +		[AUD_CLKID_MST_D_LRCLK]		= &axg_mst_d_lrclk.hw,
> +		[AUD_CLKID_MST_E_LRCLK]		= &axg_mst_e_lrclk.hw,
> +		[AUD_CLKID_MST_F_LRCLK]		= &axg_mst_f_lrclk.hw,
> +		[AUD_CLKID_TDMIN_A_SCLK_SEL]	= &axg_tdmin_a_sclk_sel.hw,
> +		[AUD_CLKID_TDMIN_B_SCLK_SEL]	= &axg_tdmin_b_sclk_sel.hw,
> +		[AUD_CLKID_TDMIN_C_SCLK_SEL]	= &axg_tdmin_c_sclk_sel.hw,
> +		[AUD_CLKID_TDMIN_LB_SCLK_SEL]	= &axg_tdmin_lb_sclk_sel.hw,
> +		[AUD_CLKID_TDMOUT_A_SCLK_SEL]	= &axg_tdmout_a_sclk_sel.hw,
> +		[AUD_CLKID_TDMOUT_B_SCLK_SEL]	= &axg_tdmout_b_sclk_sel.hw,
> +		[AUD_CLKID_TDMOUT_C_SCLK_SEL]	= &axg_tdmout_c_sclk_sel.hw,
> +		[AUD_CLKID_TDMIN_A_SCLK_PRE_EN]	= &axg_tdmin_a_sclk_pre_en.hw,
> +		[AUD_CLKID_TDMIN_B_SCLK_PRE_EN]	= &axg_tdmin_b_sclk_pre_en.hw,
> +		[AUD_CLKID_TDMIN_C_SCLK_PRE_EN]	= &axg_tdmin_c_sclk_pre_en.hw,
> +		[AUD_CLKID_TDMIN_LB_SCLK_PRE_EN] = &axg_tdmin_lb_sclk_pre_en.hw,
> +		[AUD_CLKID_TDMOUT_A_SCLK_PRE_EN] = &axg_tdmout_a_sclk_pre_en.hw,
> +		[AUD_CLKID_TDMOUT_B_SCLK_PRE_EN] = &axg_tdmout_b_sclk_pre_en.hw,
> +		[AUD_CLKID_TDMOUT_C_SCLK_PRE_EN] = &axg_tdmout_c_sclk_pre_en.hw,
> +		[AUD_CLKID_TDMIN_A_SCLK_POST_EN] = &axg_tdmin_a_sclk_post_en.hw,
> +		[AUD_CLKID_TDMIN_B_SCLK_POST_EN] = &axg_tdmin_b_sclk_post_en.hw,
> +		[AUD_CLKID_TDMIN_C_SCLK_POST_EN] = &axg_tdmin_c_sclk_post_en.hw,
> +		[AUD_CLKID_TDMIN_LB_SCLK_POST_EN] = &axg_tdmin_lb_sclk_post_en.hw,
> +		[AUD_CLKID_TDMOUT_A_SCLK_POST_EN] = &axg_tdmout_a_sclk_post_en.hw,
> +		[AUD_CLKID_TDMOUT_B_SCLK_POST_EN] = &axg_tdmout_b_sclk_post_en.hw,
> +		[AUD_CLKID_TDMOUT_C_SCLK_POST_EN] = &axg_tdmout_c_sclk_post_en.hw,
> +		[AUD_CLKID_TDMIN_A_SCLK]	= &axg_tdmin_a_sclk.hw,
> +		[AUD_CLKID_TDMIN_B_SCLK]	= &axg_tdmin_b_sclk.hw,
> +		[AUD_CLKID_TDMIN_C_SCLK]	= &axg_tdmin_c_sclk.hw,
> +		[AUD_CLKID_TDMIN_LB_SCLK]	= &axg_tdmin_lb_sclk.hw,
> +		[AUD_CLKID_TDMOUT_A_SCLK]	= &axg_tdmout_a_sclk.hw,
> +		[AUD_CLKID_TDMOUT_B_SCLK]	= &axg_tdmout_b_sclk.hw,
> +		[AUD_CLKID_TDMOUT_C_SCLK]	= &axg_tdmout_c_sclk.hw,
> +		[AUD_CLKID_TDMIN_A_LRCLK]	= &axg_tdmin_a_lrclk.hw,
> +		[AUD_CLKID_TDMIN_B_LRCLK]	= &axg_tdmin_b_lrclk.hw,
> +		[AUD_CLKID_TDMIN_C_LRCLK]	= &axg_tdmin_c_lrclk.hw,
> +		[AUD_CLKID_TDMIN_LB_LRCLK]	= &axg_tdmin_lb_lrclk.hw,
> +		[AUD_CLKID_TDMOUT_A_LRCLK]	= &axg_tdmout_a_lrclk.hw,
> +		[AUD_CLKID_TDMOUT_B_LRCLK]	= &axg_tdmout_b_lrclk.hw,
> +		[AUD_CLKID_TDMOUT_C_LRCLK]	= &axg_tdmout_c_lrclk.hw,
> +		[NR_CLKS] = NULL,
> +	},
> +	.num = NR_CLKS,
> +};
> +
> +/* Convenience table to populate regmap in .probe() */
> +static struct clk_regmap *const axg_audio_clk_regmaps[] = {
> +	&axg_ddr_arb,
> +	&axg_pdm,
> +	&axg_tdmin_a,
> +	&axg_tdmin_b,
> +	&axg_tdmin_c,
> +	&axg_tdmin_lb,
> +	&axg_tdmout_a,
> +	&axg_tdmout_b,
> +	&axg_tdmout_c,
> +	&axg_frddr_a,
> +	&axg_frddr_b,
> +	&axg_frddr_c,
> +	&axg_toddr_a,
> +	&axg_toddr_b,
> +	&axg_toddr_c,
> +	&axg_loopback,
> +	&axg_spdifin,
> +	&axg_spdifout,
> +	&axg_resample,
> +	&axg_power_detect,
> +	&axg_mst_a_mclk_sel,
> +	&axg_mst_b_mclk_sel,
> +	&axg_mst_c_mclk_sel,
> +	&axg_mst_d_mclk_sel,
> +	&axg_mst_e_mclk_sel,
> +	&axg_mst_f_mclk_sel,
> +	&axg_mst_a_mclk_div,
> +	&axg_mst_b_mclk_div,
> +	&axg_mst_c_mclk_div,
> +	&axg_mst_d_mclk_div,
> +	&axg_mst_e_mclk_div,
> +	&axg_mst_f_mclk_div,
> +	&axg_mst_a_mclk,
> +	&axg_mst_b_mclk,
> +	&axg_mst_c_mclk,
> +	&axg_mst_d_mclk,
> +	&axg_mst_e_mclk,
> +	&axg_mst_f_mclk,
> +	&axg_spdifout_clk_sel,
> +	&axg_spdifout_clk_div,
> +	&axg_spdifout_clk,
> +	&axg_spdifin_clk_sel,
> +	&axg_spdifin_clk_div,
> +	&axg_spdifin_clk,
> +	&axg_pdm_dclk_sel,
> +	&axg_pdm_dclk_div,
> +	&axg_pdm_dclk,
> +	&axg_pdm_sysclk_sel,
> +	&axg_pdm_sysclk_div,
> +	&axg_pdm_sysclk,
> +	&axg_mst_a_sclk_pre_en,
> +	&axg_mst_b_sclk_pre_en,
> +	&axg_mst_c_sclk_pre_en,
> +	&axg_mst_d_sclk_pre_en,
> +	&axg_mst_e_sclk_pre_en,
> +	&axg_mst_f_sclk_pre_en,
> +	&axg_mst_a_sclk_div,
> +	&axg_mst_b_sclk_div,
> +	&axg_mst_c_sclk_div,
> +	&axg_mst_d_sclk_div,
> +	&axg_mst_e_sclk_div,
> +	&axg_mst_f_sclk_div,
> +	&axg_mst_a_sclk_post_en,
> +	&axg_mst_b_sclk_post_en,
> +	&axg_mst_c_sclk_post_en,
> +	&axg_mst_d_sclk_post_en,
> +	&axg_mst_e_sclk_post_en,
> +	&axg_mst_f_sclk_post_en,
> +	&axg_mst_a_sclk,
> +	&axg_mst_b_sclk,
> +	&axg_mst_c_sclk,
> +	&axg_mst_d_sclk,
> +	&axg_mst_e_sclk,
> +	&axg_mst_f_sclk,
> +	&axg_mst_a_lrclk_div,
> +	&axg_mst_b_lrclk_div,
> +	&axg_mst_c_lrclk_div,
> +	&axg_mst_d_lrclk_div,
> +	&axg_mst_e_lrclk_div,
> +	&axg_mst_f_lrclk_div,
> +	&axg_mst_a_lrclk,
> +	&axg_mst_b_lrclk,
> +	&axg_mst_c_lrclk,
> +	&axg_mst_d_lrclk,
> +	&axg_mst_e_lrclk,
> +	&axg_mst_f_lrclk,
> +	&axg_tdmin_a_sclk_sel,
> +	&axg_tdmin_b_sclk_sel,
> +	&axg_tdmin_c_sclk_sel,
> +	&axg_tdmin_lb_sclk_sel,
> +	&axg_tdmout_a_sclk_sel,
> +	&axg_tdmout_b_sclk_sel,
> +	&axg_tdmout_c_sclk_sel,
> +	&axg_tdmin_a_sclk_pre_en,
> +	&axg_tdmin_b_sclk_pre_en,
> +	&axg_tdmin_c_sclk_pre_en,
> +	&axg_tdmin_lb_sclk_pre_en,
> +	&axg_tdmout_a_sclk_pre_en,
> +	&axg_tdmout_b_sclk_pre_en,
> +	&axg_tdmout_c_sclk_pre_en,
> +	&axg_tdmin_a_sclk_post_en,
> +	&axg_tdmin_b_sclk_post_en,
> +	&axg_tdmin_c_sclk_post_en,
> +	&axg_tdmin_lb_sclk_post_en,
> +	&axg_tdmout_a_sclk_post_en,
> +	&axg_tdmout_b_sclk_post_en,
> +	&axg_tdmout_c_sclk_post_en,
> +	&axg_tdmin_a_sclk,
> +	&axg_tdmin_b_sclk,
> +	&axg_tdmin_c_sclk,
> +	&axg_tdmin_lb_sclk,
> +	&axg_tdmout_a_sclk,
> +	&axg_tdmout_b_sclk,
> +	&axg_tdmout_c_sclk,
> +	&axg_tdmin_a_lrclk,
> +	&axg_tdmin_b_lrclk,
> +	&axg_tdmin_c_lrclk,
> +	&axg_tdmin_lb_lrclk,
> +	&axg_tdmout_a_lrclk,
> +	&axg_tdmout_b_lrclk,
> +	&axg_tdmout_c_lrclk,
> +};
> +
> +static struct clk *devm_clk_get_enable(struct device *dev, char *id)
> +{
> +	struct clk *clk;
> +	int ret;
> +
> +	clk = devm_clk_get(dev, id);
> +	if (IS_ERR(clk)) {
> +		if (PTR_ERR(clk) != -EPROBE_DEFER)
> +			dev_err(dev, "failed to get %s", id);
> +		return clk;
> +	}
> +
> +	ret = clk_prepare_enable(clk);
> +	if (ret) {
> +		dev_err(dev, "failed to enable %s", id);
> +		return ERR_PTR(ret);
> +	}
> +
> +	ret = devm_add_action_or_reset(dev,
> +				       (void(*)(void *))clk_disable_unprepare,
> +				       clk);
> +	if (ret) {
> +		dev_err(dev, "failed to add reset action on %s", id);
> +		return ERR_PTR(ret);
> +	}
> +
> +	return clk;
> +}
> +
> +static const struct clk_ops axg_clk_no_ops = {};
> +
> +static struct clk_hw *axg_clk_hw_register_bypass(struct device *dev,
> +						 const char *name,
> +						 const char *parent_name)
> +{
> +	struct clk_hw *hw;
> +	struct clk_init_data init;
> +	char *clk_name;
> +	int ret;
> +
> +	hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL);
> +	if (!hw)
> +		return ERR_PTR(-ENOMEM);
> +
> +	clk_name = kasprintf(GFP_KERNEL, "axg_%s", name);
> +	if (!clk_name)
> +		return ERR_PTR(-ENOMEM);
> +
> +	init.name = clk_name;
> +	init.ops = &axg_clk_no_ops;
> +	init.flags = 0;
> +	init.parent_names = parent_name ? &parent_name : NULL;
> +	init.num_parents = parent_name ? 1 : 0;
> +	hw->init = &init;
> +
> +	ret = devm_clk_hw_register(dev, hw);
> +	kfree(clk_name);
> +
> +	return ret ? ERR_PTR(ret) : hw;
> +}
> +
> +static int axg_register_clk_hw_input(struct device *dev,
> +				     const char *name,
> +				     unsigned int clkid)
> +{
> +	struct clk *parent_clk = devm_clk_get(dev, name);
> +	struct clk_hw *hw = NULL;
> +
> +	if (IS_ERR(parent_clk)) {
> +		int err = PTR_ERR(parent_clk);
> +
> +		/* It is ok if an input clock is missing */
> +		if (err == -ENOENT) {
> +			dev_dbg(dev, "%s not provided", name);
> +		} else {
> +			if (err != -EPROBE_DEFER)
> +				dev_err(dev, "failed to get %s clock", name);
> +			return err;
> +		}
> +	} else {
> +		hw = axg_clk_hw_register_bypass(dev, name,
> +						__clk_get_name(parent_clk));
> +	}
> +
> +	if (IS_ERR(hw)) {
> +		dev_err(dev, "failed to register %s clock", name);
> +		return PTR_ERR(hw);
> +	}
> +
> +	axg_audio_hw_onecell_data.hws[clkid] = hw;
> +	return 0;
> +}
> +
> +static int axg_register_clk_hw_inputs(struct device *dev,
> +				      const char *basename,
> +				      unsigned int count,
> +				      unsigned int clkid)
> +{
> +	char *name;
> +	int i, ret;
> +
> +	for (i = 0; i < count; i++) {
> +		name = kasprintf(GFP_KERNEL, "%s%d", basename, i);
> +		if (!name)
> +			return -ENOMEM;
> +
> +		ret = axg_register_clk_hw_input(dev, name, clkid + i);
> +		kfree(name);
> +		if (ret)
> +			return ret;
> +	}
> +
> +	return 0;
> +}
> +
> +static const struct regmap_config axg_audio_regmap_cfg = {
> +	.reg_bits	= 32,
> +	.val_bits	= 32,
> +	.reg_stride	= 4,
> +	.max_register	= AUDIO_CLK_PDMIN_CTRL1,
> +};
> +
> +static int axg_audio_clkc_probe(struct platform_device *pdev)
> +{
> +	struct device *dev = &pdev->dev;
> +	struct regmap *map;
> +	struct resource *res;
> +	void __iomem *regs;
> +	struct clk *clk;
> +	struct clk_hw *hw;
> +	int ret, i;
> +
> +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +	regs = devm_ioremap_resource(dev, res);
> +	if (IS_ERR(regs))
> +		return PTR_ERR(regs);
> +
> +	map = devm_regmap_init_mmio(dev, regs, &axg_audio_regmap_cfg);
> +	if (IS_ERR(map)) {
> +		dev_err(dev, "failed to init regmap: %ld\n", PTR_ERR(map));
> +		return PTR_ERR(map);
> +	}
> +
> +	/* Get the mandatory peripheral clock */
> +	clk = devm_clk_get_enable(dev, "pclk");
> +	if (IS_ERR(clk))
> +		return PTR_ERR(clk);
> +
> +	ret = device_reset(dev);
> +	if (ret) {
> +		dev_err(dev, "failed to reset device\n");
> +		return ret;
> +	}
> +
> +	/* Register the peripheral input clock */
> +	hw = axg_clk_hw_register_bypass(dev, "audio_pclk",
> +					__clk_get_name(clk));
> +	if (IS_ERR(hw))
> +		return PTR_ERR(hw);
> +
> +	axg_audio_hw_onecell_data.hws[AUD_CLKID_PCLK] = hw;
> +
> +	/* Register optional input master clocks */
> +	ret = axg_register_clk_hw_inputs(dev, "mst_in",
> +					 AXG_MST_IN_COUNT,
> +					 AUD_CLKID_MST0);
> +	if (ret)
> +		return ret;
> +
> +	/* Register optional input slave sclks */
> +	ret = axg_register_clk_hw_inputs(dev, "slv_sclk",
> +					 AXG_SLV_SCLK_COUNT,
> +					 AUD_CLKID_SLV_SCLK0);
> +	if (ret)
> +		return ret;
> +
> +	/* Register optional input slave lrclks */
> +	ret = axg_register_clk_hw_inputs(dev, "slv_lrclk",
> +					 AXG_SLV_LRCLK_COUNT,
> +					 AUD_CLKID_SLV_LRCLK0);
> +	if (ret)
> +		return ret;
> +
> +	/* Populate regmap for the regmap backed clocks */
> +	for (i = 0; i < ARRAY_SIZE(axg_audio_clk_regmaps); i++)
> +		axg_audio_clk_regmaps[i]->map = map;
> +
> +	/* Take care to skip the registered input clocks */
> +	for (i = AUD_CLKID_DDR_ARB; i < axg_audio_hw_onecell_data.num; i++) {
> +		hw = axg_audio_hw_onecell_data.hws[i];
> +		/* array might be sparse */
> +		if (!hw)
> +			continue;
> +
> +		ret = devm_clk_hw_register(dev, hw);
> +		if (ret) {
> +			dev_err(dev, "failed to register clock %s\n",
> +				hw->init->name);
> +			return ret;
> +		}
> +	}
> +
> +	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
> +					   &axg_audio_hw_onecell_data);
> +}
> +
> +static const struct of_device_id clkc_match_table[] = {
> +	{ .compatible = "amlogic,axg-audio-clkc" },
> +	{}
> +};
> +MODULE_DEVICE_TABLE(of, clkc_match_table);
> +
> +static struct platform_driver axg_audio_driver = {
> +	.probe		= axg_audio_clkc_probe,
> +	.driver		= {
> +		.name	= "axg-audio-clkc",
> +		.of_match_table = clkc_match_table,
> +	},
> +};
> +module_platform_driver(axg_audio_driver);
> +
> +MODULE_DESCRIPTION("Amlogic A113x Audio Clock driver");
> +MODULE_AUTHOR("Jerome Brunet <jbrunet@xxxxxxxxxxxx>");
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/clk/meson/axg-audio.h b/drivers/clk/meson/axg-audio.h
> new file mode 100644
> index 000000000000..e7a0efd12429
> --- /dev/null
> +++ b/drivers/clk/meson/axg-audio.h
> @@ -0,0 +1,127 @@
> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
> +/*
> + * Copyright (c) 2018 BayLibre, SAS.
> + * Author: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> + */
> +
> +#ifndef __AXG_AUDIO_CLKC_H
> +#define __AXG_AUDIO_CLKC_H
> +
> +/*
> + * Audio Clock  register offsets
> + *
> + * Register offsets from the datasheet must be multiplied by 4 before
> + * to get the right offset
> + */
> +#define AUDIO_CLK_GATE_EN	0x000
> +#define AUDIO_MCLK_A_CTRL	0x004
> +#define AUDIO_MCLK_B_CTRL	0x008
> +#define AUDIO_MCLK_C_CTRL	0x00C
> +#define AUDIO_MCLK_D_CTRL	0x010
> +#define AUDIO_MCLK_E_CTRL	0x014
> +#define AUDIO_MCLK_F_CTRL	0x018
> +#define AUDIO_MST_A_SCLK_CTRL0	0x040
> +#define AUDIO_MST_A_SCLK_CTRL1	0x044
> +#define AUDIO_MST_B_SCLK_CTRL0	0x048
> +#define AUDIO_MST_B_SCLK_CTRL1	0x04C
> +#define AUDIO_MST_C_SCLK_CTRL0	0x050
> +#define AUDIO_MST_C_SCLK_CTRL1	0x054
> +#define AUDIO_MST_D_SCLK_CTRL0	0x058
> +#define AUDIO_MST_D_SCLK_CTRL1	0x05C
> +#define AUDIO_MST_E_SCLK_CTRL0	0x060
> +#define AUDIO_MST_E_SCLK_CTRL1	0x064
> +#define AUDIO_MST_F_SCLK_CTRL0	0x068
> +#define AUDIO_MST_F_SCLK_CTRL1	0x06C
> +#define AUDIO_CLK_TDMIN_A_CTRL	0x080
> +#define AUDIO_CLK_TDMIN_B_CTRL	0x084
> +#define AUDIO_CLK_TDMIN_C_CTRL	0x088
> +#define AUDIO_CLK_TDMIN_LB_CTRL 0x08C
> +#define AUDIO_CLK_TDMOUT_A_CTRL 0x090
> +#define AUDIO_CLK_TDMOUT_B_CTRL 0x094
> +#define AUDIO_CLK_TDMOUT_C_CTRL 0x098
> +#define AUDIO_CLK_SPDIFIN_CTRL	0x09C
> +#define AUDIO_CLK_SPDIFOUT_CTRL 0x0A0
> +#define AUDIO_CLK_RESAMPLE_CTRL 0x0A4
> +#define AUDIO_CLK_LOCKER_CTRL	0x0A8
> +#define AUDIO_CLK_PDMIN_CTRL0	0x0AC
> +#define AUDIO_CLK_PDMIN_CTRL1	0x0B0
> +
> +/*
> + * CLKID index values
> + * These indices are entirely contrived and do not map onto the hardware.
> + */
> +
> +#define AUD_CLKID_PCLK			0
> +#define AUD_CLKID_MST0			1
> +#define AUD_CLKID_MST1			2
> +#define AUD_CLKID_MST2			3
> +#define AUD_CLKID_MST3			4
> +#define AUD_CLKID_MST4			5
> +#define AUD_CLKID_MST5			6
> +#define AUD_CLKID_MST6			7
> +#define AUD_CLKID_MST7			8
> +#define AUD_CLKID_MST_A_MCLK_SEL	59
> +#define AUD_CLKID_MST_B_MCLK_SEL	60
> +#define AUD_CLKID_MST_C_MCLK_SEL	61
> +#define AUD_CLKID_MST_D_MCLK_SEL	62
> +#define AUD_CLKID_MST_E_MCLK_SEL	63
> +#define AUD_CLKID_MST_F_MCLK_SEL	64
> +#define AUD_CLKID_MST_A_MCLK_DIV	65
> +#define AUD_CLKID_MST_B_MCLK_DIV	66
> +#define AUD_CLKID_MST_C_MCLK_DIV	67
> +#define AUD_CLKID_MST_D_MCLK_DIV	68
> +#define AUD_CLKID_MST_E_MCLK_DIV	69
> +#define AUD_CLKID_MST_F_MCLK_DIV	70
> +#define AUD_CLKID_SPDIFOUT_CLK_SEL	71
> +#define AUD_CLKID_SPDIFOUT_CLK_DIV	72
> +#define AUD_CLKID_SPDIFIN_CLK_SEL	73
> +#define AUD_CLKID_SPDIFIN_CLK_DIV	74
> +#define AUD_CLKID_PDM_DCLK_SEL		75
> +#define AUD_CLKID_PDM_DCLK_DIV		76
> +#define AUD_CLKID_PDM_SYSCLK_SEL	77
> +#define AUD_CLKID_PDM_SYSCLK_DIV	78
> +#define AUD_CLKID_MST_A_SCLK_PRE_EN	92
> +#define AUD_CLKID_MST_B_SCLK_PRE_EN	93
> +#define AUD_CLKID_MST_C_SCLK_PRE_EN	94
> +#define AUD_CLKID_MST_D_SCLK_PRE_EN	95
> +#define AUD_CLKID_MST_E_SCLK_PRE_EN	96
> +#define AUD_CLKID_MST_F_SCLK_PRE_EN	97
> +#define AUD_CLKID_MST_A_SCLK_DIV	98
> +#define AUD_CLKID_MST_B_SCLK_DIV	99
> +#define AUD_CLKID_MST_C_SCLK_DIV	100
> +#define AUD_CLKID_MST_D_SCLK_DIV	101
> +#define AUD_CLKID_MST_E_SCLK_DIV	102
> +#define AUD_CLKID_MST_F_SCLK_DIV	103
> +#define AUD_CLKID_MST_A_SCLK_POST_EN	104
> +#define AUD_CLKID_MST_B_SCLK_POST_EN	105
> +#define AUD_CLKID_MST_C_SCLK_POST_EN	106
> +#define AUD_CLKID_MST_D_SCLK_POST_EN	107
> +#define AUD_CLKID_MST_E_SCLK_POST_EN	108
> +#define AUD_CLKID_MST_F_SCLK_POST_EN	109
> +#define AUD_CLKID_MST_A_LRCLK_DIV	110
> +#define AUD_CLKID_MST_B_LRCLK_DIV	111
> +#define AUD_CLKID_MST_C_LRCLK_DIV	112
> +#define AUD_CLKID_MST_D_LRCLK_DIV	113
> +#define AUD_CLKID_MST_E_LRCLK_DIV	114
> +#define AUD_CLKID_MST_F_LRCLK_DIV	115
> +#define AUD_CLKID_TDMIN_A_SCLK_PRE_EN	137
> +#define AUD_CLKID_TDMIN_B_SCLK_PRE_EN	138
> +#define AUD_CLKID_TDMIN_C_SCLK_PRE_EN	139
> +#define AUD_CLKID_TDMIN_LB_SCLK_PRE_EN	140
> +#define AUD_CLKID_TDMOUT_A_SCLK_PRE_EN	141
> +#define AUD_CLKID_TDMOUT_B_SCLK_PRE_EN	142
> +#define AUD_CLKID_TDMOUT_C_SCLK_PRE_EN	143
> +#define AUD_CLKID_TDMIN_A_SCLK_POST_EN	144
> +#define AUD_CLKID_TDMIN_B_SCLK_POST_EN	145
> +#define AUD_CLKID_TDMIN_C_SCLK_POST_EN	146
> +#define AUD_CLKID_TDMIN_LB_SCLK_POST_EN	147
> +#define AUD_CLKID_TDMOUT_A_SCLK_POST_EN	148
> +#define AUD_CLKID_TDMOUT_B_SCLK_POST_EN	149
> +#define AUD_CLKID_TDMOUT_C_SCLK_POST_EN	150
> +
> +/* include the CLKIDs which are part of the DT bindings */
> +#include <dt-bindings/clock/axg-audio-clkc.h>
> +
> +#define NR_CLKS	151
> +
> +#endif /*__AXG_AUDIO_CLKC_H */
> 

Acked-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
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