Re: [PATCH 2/2] clk: samsung: exynos850: Implement CMU_APM domain

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On 21/10/2021 22:31, Sam Protsenko wrote:
> CMU_APM clock domain provides clocks for APM IP-core (Active Power
> Management). According to Exynos850 TRM, CMU_APM generates I3C, Mailbox,
> Speedy, Timer, WDT, RTC and PMU clocks for BLK_ALIVE.
> 
> This patch adds next clocks:
>   - bus clocks in CMU_TOP needed for CMU_APM
>   - all internal CMU_APM clocks
>   - leaf clocks for I3C, Speedy and RTC IP-cores
>   - bus clocks for CMU_CMGP and CMU_CHUB
> 
> CMU_APM doesn't belong to Power Domains, but platform driver is used for
> its registration to keep its bus clock always running. Otherwise rtc-s3c
> driver disables that clock and system freezes.
> 
> Signed-off-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
> ---
>  drivers/clk/samsung/clk-exynos850.c   | 142 +++++++++++++++++++++++++-
>  include/dt-bindings/clock/exynos850.h | 107 +++++++++++--------
>  2 files changed, 208 insertions(+), 41 deletions(-)
> 
> diff --git a/drivers/clk/samsung/clk-exynos850.c b/drivers/clk/samsung/clk-exynos850.c
> index 2294989e244c..95e373d17b42 100644
> --- a/drivers/clk/samsung/clk-exynos850.c
> +++ b/drivers/clk/samsung/clk-exynos850.c
> @@ -72,6 +72,7 @@ static void __init exynos850_init_clocks(struct device_node *np,
>  #define PLL_CON3_PLL_SHARED0			0x014c
>  #define PLL_CON0_PLL_SHARED1			0x0180
>  #define PLL_CON3_PLL_SHARED1			0x018c
> +#define CLK_CON_MUX_MUX_CLKCMU_APM_BUS		0x1000
>  #define CLK_CON_MUX_MUX_CLKCMU_CORE_BUS		0x1014
>  #define CLK_CON_MUX_MUX_CLKCMU_CORE_CCI		0x1018
>  #define CLK_CON_MUX_MUX_CLKCMU_CORE_MMC_EMBD	0x101c
> @@ -83,6 +84,7 @@ static void __init exynos850_init_clocks(struct device_node *np,
>  #define CLK_CON_MUX_MUX_CLKCMU_PERI_BUS		0x1070
>  #define CLK_CON_MUX_MUX_CLKCMU_PERI_IP		0x1074
>  #define CLK_CON_MUX_MUX_CLKCMU_PERI_UART	0x1078
> +#define CLK_CON_DIV_CLKCMU_APM_BUS		0x180c
>  #define CLK_CON_DIV_CLKCMU_CORE_BUS		0x1820
>  #define CLK_CON_DIV_CLKCMU_CORE_CCI		0x1824
>  #define CLK_CON_DIV_CLKCMU_CORE_MMC_EMBD	0x1828
> @@ -100,6 +102,7 @@ static void __init exynos850_init_clocks(struct device_node *np,
>  #define CLK_CON_DIV_PLL_SHARED1_DIV2		0x1898
>  #define CLK_CON_DIV_PLL_SHARED1_DIV3		0x189c
>  #define CLK_CON_DIV_PLL_SHARED1_DIV4		0x18a0
> +#define CLK_CON_GAT_GATE_CLKCMU_APM_BUS		0x2008
>  #define CLK_CON_GAT_GATE_CLKCMU_CORE_BUS	0x201c
>  #define CLK_CON_GAT_GATE_CLKCMU_CORE_CCI	0x2020
>  #define CLK_CON_GAT_GATE_CLKCMU_CORE_MMC_EMBD	0x2024
> @@ -122,6 +125,7 @@ static const unsigned long top_clk_regs[] __initconst = {
>  	PLL_CON3_PLL_SHARED0,
>  	PLL_CON0_PLL_SHARED1,
>  	PLL_CON3_PLL_SHARED1,
> +	CLK_CON_MUX_MUX_CLKCMU_APM_BUS,
>  	CLK_CON_MUX_MUX_CLKCMU_CORE_BUS,
>  	CLK_CON_MUX_MUX_CLKCMU_CORE_CCI,
>  	CLK_CON_MUX_MUX_CLKCMU_CORE_MMC_EMBD,
> @@ -133,6 +137,7 @@ static const unsigned long top_clk_regs[] __initconst = {
>  	CLK_CON_MUX_MUX_CLKCMU_PERI_BUS,
>  	CLK_CON_MUX_MUX_CLKCMU_PERI_IP,
>  	CLK_CON_MUX_MUX_CLKCMU_PERI_UART,
> +	CLK_CON_DIV_CLKCMU_APM_BUS,
>  	CLK_CON_DIV_CLKCMU_CORE_BUS,
>  	CLK_CON_DIV_CLKCMU_CORE_CCI,
>  	CLK_CON_DIV_CLKCMU_CORE_MMC_EMBD,
> @@ -150,6 +155,7 @@ static const unsigned long top_clk_regs[] __initconst = {
>  	CLK_CON_DIV_PLL_SHARED1_DIV2,
>  	CLK_CON_DIV_PLL_SHARED1_DIV3,
>  	CLK_CON_DIV_PLL_SHARED1_DIV4,
> +	CLK_CON_GAT_GATE_CLKCMU_APM_BUS,
>  	CLK_CON_GAT_GATE_CLKCMU_CORE_BUS,
>  	CLK_CON_GAT_GATE_CLKCMU_CORE_CCI,
>  	CLK_CON_GAT_GATE_CLKCMU_CORE_MMC_EMBD,
> @@ -183,6 +189,8 @@ static const struct samsung_pll_clock top_pll_clks[] __initconst = {
>  PNAME(mout_shared0_pll_p)	= { "oscclk", "fout_shared0_pll" };
>  PNAME(mout_shared1_pll_p)	= { "oscclk", "fout_shared1_pll" };
>  PNAME(mout_mmc_pll_p)		= { "oscclk", "fout_mmc_pll" };
> +/* List of parent clocks for Muxes in CMU_TOP: for CMU_APM */
> +PNAME(mout_clkcmu_apm_bus_p)	= { "dout_shared0_div4", "pll_shared1_div4" };
>  /* List of parent clocks for Muxes in CMU_TOP: for CMU_CORE */
>  PNAME(mout_core_bus_p)		= { "dout_shared1_div2", "dout_shared0_div3",
>  				    "dout_shared1_div3", "dout_shared0_div4" };
> @@ -222,6 +230,10 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = {
>  	MUX(CLK_MOUT_MMC_PLL, "mout_mmc_pll", mout_mmc_pll_p,
>  	    PLL_CON0_PLL_MMC, 4, 1),
>  
> +	/* APM */
> +	MUX(CLK_MOUT_CLKCMU_APM_BUS, "mout_clkcmu_apm_bus",
> +	    mout_clkcmu_apm_bus_p, CLK_CON_MUX_MUX_CLKCMU_APM_BUS, 0, 1),
> +
>  	/* CORE */
>  	MUX(CLK_MOUT_CORE_BUS, "mout_core_bus", mout_core_bus_p,
>  	    CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, 0, 2),
> @@ -268,6 +280,10 @@ static const struct samsung_div_clock top_div_clks[] __initconst = {
>  	DIV(CLK_DOUT_SHARED1_DIV4, "dout_shared1_div4", "dout_shared1_div2",
>  	    CLK_CON_DIV_PLL_SHARED1_DIV4, 0, 1),
>  
> +	/* APM */
> +	DIV(CLK_DOUT_CLKCMU_APM_BUS, "dout_clkcmu_apm_bus",
> +	    "gout_clkcmu_apm_bus", CLK_CON_DIV_CLKCMU_APM_BUS, 0, 3),
> +
>  	/* CORE */
>  	DIV(CLK_DOUT_CORE_BUS, "dout_core_bus", "gout_core_bus",
>  	    CLK_CON_DIV_CLKCMU_CORE_BUS, 0, 4),
> @@ -310,6 +326,10 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = {
>  	GATE(CLK_GOUT_CORE_SSS, "gout_core_sss", "mout_core_sss",
>  	     CLK_CON_GAT_GATE_CLKCMU_CORE_SSS, 21, 0, 0),
>  
> +	/* APM */
> +	GATE(CLK_GOUT_CLKCMU_APM_BUS, "gout_clkcmu_apm_bus",
> +	     "mout_clkcmu_apm_bus", CLK_CON_GAT_GATE_CLKCMU_APM_BUS, 21, 0, 0),
> +
>  	/* DPU */
>  	GATE(CLK_GOUT_DPU, "gout_dpu", "mout_dpu",
>  	     CLK_CON_GAT_GATE_CLKCMU_DPU, 21, 0, 0),
> @@ -354,6 +374,124 @@ static void __init exynos850_cmu_top_init(struct device_node *np)
>  CLK_OF_DECLARE(exynos850_cmu_top, "samsung,exynos850-cmu-top",
>  	       exynos850_cmu_top_init);
>  
> +/* ---- CMU_APM ------------------------------------------------------------- */
> +
> +/* Register Offset definitions for CMU_APM (0x11800000) */
> +#define PLL_CON0_MUX_CLKCMU_APM_BUS_USER		0x0600
> +#define PLL_CON0_MUX_CLK_RCO_APM_I3C_USER		0x0610
> +#define PLL_CON0_MUX_CLK_RCO_APM_USER			0x0620
> +#define PLL_CON0_MUX_DLL_USER				0x0630
> +#define CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS			0x1000
> +#define CLK_CON_MUX_MUX_CLK_APM_BUS			0x1004
> +#define CLK_CON_MUX_MUX_CLK_APM_I3C			0x1008
> +#define CLK_CON_DIV_CLKCMU_CHUB_BUS			0x1800
> +#define CLK_CON_DIV_DIV_CLK_APM_BUS			0x1804
> +#define CLK_CON_DIV_DIV_CLK_APM_I3C			0x1808
> +#define CLK_CON_GAT_CLKCMU_CMGP_BUS			0x2000
> +#define CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS		0x2014
> +#define CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK		0x2024
> +#define CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK		0x2028
> +#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK	0x2034
> +#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK	0x2038
> +#define CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK		0x20bc
> +
> +static const unsigned long apm_clk_regs[] __initconst = {
> +	PLL_CON0_MUX_CLKCMU_APM_BUS_USER,
> +	PLL_CON0_MUX_CLK_RCO_APM_I3C_USER,
> +	PLL_CON0_MUX_CLK_RCO_APM_USER,
> +	PLL_CON0_MUX_DLL_USER,
> +	CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS,
> +	CLK_CON_MUX_MUX_CLK_APM_BUS,
> +	CLK_CON_MUX_MUX_CLK_APM_I3C,
> +	CLK_CON_DIV_CLKCMU_CHUB_BUS,
> +	CLK_CON_DIV_DIV_CLK_APM_BUS,
> +	CLK_CON_DIV_DIV_CLK_APM_I3C,
> +	CLK_CON_GAT_CLKCMU_CMGP_BUS,
> +	CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS,
> +	CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK,
> +	CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK,
> +	CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK,
> +	CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK,
> +	CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK,
> +};
> +
> +/* List of parent clocks for Muxes in CMU_APM */
> +PNAME(mout_apm_bus_user_p)	= { "oscclk_rco_apm", "dout_clkcmu_apm_bus" };
> +PNAME(mout_rco_apm_i3c_user_p)	= { "oscclk_rco_apm", "clk_rco_i3c_pmic" };
> +PNAME(mout_rco_apm_user_p)	= { "oscclk_rco_apm", "clk_rco_apm__alv" };
> +PNAME(mout_dll_user_p)		= { "oscclk_rco_apm", "clk_dll_dco" };
> +PNAME(mout_clkcmu_chub_bus_p)	= { "mout_apm_bus_user", "mout_dll_user" };
> +PNAME(mout_apm_bus_p)		= { "mout_rco_apm_user", "mout_apm_bus_user",
> +				    "mout_dll_user", "oscclk_rco_apm" };
> +PNAME(mout_apm_i3c_p)		= { "dout_apm_i3c", "mout_rco_apm_i3c_user" };
> +
> +static const struct samsung_fixed_rate_clock apm_fixed_clks[] __initconst = {
> +	FRATE(CLK_RCO_I3C_PMIC, "clk_rco_i3c_pmic", NULL, 0, 491520000),
> +	FRATE(OSCCLK_RCO_APM, "oscclk_rco_apm", NULL, 0, 24576000),
> +	FRATE(CLK_RCO_APM__ALV, "clk_rco_apm__alv", NULL, 0, 49152000),
> +	FRATE(CLK_DLL_DCO, "clk_dll_dco", NULL, 0, 360000000),
> +};
> +
> +static const struct samsung_mux_clock apm_mux_clks[] __initconst = {
> +	MUX(CLK_MOUT_APM_BUS_USER, "mout_apm_bus_user", mout_apm_bus_user_p,
> +	    PLL_CON0_MUX_CLKCMU_APM_BUS_USER, 4, 1),
> +	MUX(CLK_MOUT_RCO_APM_I3C_USER, "mout_rco_apm_i3c_user",
> +	    mout_rco_apm_i3c_user_p, PLL_CON0_MUX_CLK_RCO_APM_I3C_USER, 4, 1),
> +	MUX(CLK_MOUT_RCO_APM_USER, "mout_rco_apm_user", mout_rco_apm_user_p,
> +	    PLL_CON0_MUX_CLK_RCO_APM_USER, 4, 1),
> +	MUX(CLK_MOUT_DLL_USER, "mout_dll_user", mout_dll_user_p,
> +	    PLL_CON0_MUX_DLL_USER, 4, 1),
> +	MUX(CLK_MOUT_CLKCMU_CHUB_BUS, "mout_clkcmu_chub_bus",
> +	    mout_clkcmu_chub_bus_p, CLK_CON_MUX_MUX_CLKCMU_CHUB_BUS, 0, 1),
> +	MUX(CLK_MOUT_APM_BUS, "mout_apm_bus", mout_apm_bus_p,
> +	    CLK_CON_MUX_MUX_CLK_APM_BUS, 0, 2),
> +	MUX(CLK_MOUT_APM_I3C, "mout_apm_i3c", mout_apm_i3c_p,
> +	    CLK_CON_MUX_MUX_CLK_APM_I3C, 0, 1),
> +};
> +
> +static const struct samsung_div_clock apm_div_clks[] __initconst = {
> +	DIV(CLK_DOUT_CLKCMU_CHUB_BUS, "dout_clkcmu_chub_bus",
> +	    "gout_clkcmu_chub_bus",
> +	    CLK_CON_DIV_CLKCMU_CHUB_BUS, 0, 3),
> +	DIV(CLK_DOUT_APM_BUS, "dout_apm_bus", "mout_apm_bus",
> +	    CLK_CON_DIV_DIV_CLK_APM_BUS, 0, 3),
> +	DIV(CLK_DOUT_APM_I3C, "dout_apm_i3c", "mout_apm_bus",
> +	    CLK_CON_DIV_DIV_CLK_APM_I3C, 0, 3),
> +};
> +
> +static const struct samsung_gate_clock apm_gate_clks[] __initconst = {
> +	GATE(CLK_GOUT_CLKCMU_CMGP_BUS, "gout_clkcmu_cmgp_bus", "dout_apm_bus",
> +	     CLK_CON_GAT_CLKCMU_CMGP_BUS, 21, 0, 0),
> +	GATE(CLK_GOUT_CLKCMU_CHUB_BUS, "gout_clkcmu_chub_bus",
> +	     "mout_clkcmu_chub_bus",
> +	     CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS, 21, 0, 0),
> +	GATE(CLK_GOUT_RTC_PCLK, "gout_rtc_pclk", "dout_apm_bus",
> +	     CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK, 21, 0, 0),
> +	GATE(CLK_GOUT_TOP_RTC_PCLK, "gout_top_rtc_pclk", "dout_apm_bus",
> +	     CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK, 21, 0, 0),
> +	GATE(CLK_GOUT_I3C_PCLK, "gout_i3c_pclk", "dout_apm_bus",
> +	     CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK, 21, 0, 0),
> +	GATE(CLK_GOUT_I3C_SCLK, "gout_i3c_sclk", "mout_apm_i3c",
> +	     CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK, 21, 0, 0),
> +	GATE(CLK_GOUT_SPEEDY_PCLK, "gout_speedy_pclk", "dout_apm_bus",
> +	     CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK, 21, 0, 0),
> +};
> +
> +static const struct samsung_cmu_info apm_cmu_info __initconst = {
> +	.mux_clks		= apm_mux_clks,
> +	.nr_mux_clks		= ARRAY_SIZE(apm_mux_clks),
> +	.div_clks		= apm_div_clks,
> +	.nr_div_clks		= ARRAY_SIZE(apm_div_clks),
> +	.gate_clks		= apm_gate_clks,
> +	.nr_gate_clks		= ARRAY_SIZE(apm_gate_clks),
> +	.fixed_clks		= apm_fixed_clks,
> +	.nr_fixed_clks		= ARRAY_SIZE(apm_fixed_clks),
> +	.nr_clk_ids		= APM_NR_CLK,
> +	.clk_regs		= apm_clk_regs,
> +	.nr_clk_regs		= ARRAY_SIZE(apm_clk_regs),
> +	.clk_name		= "dout_clkcmu_apm_bus",
> +};
> +
>  /* ---- CMU_HSI ------------------------------------------------------------- */
>  
>  /* Register Offset definitions for CMU_HSI (0x13400000) */
> @@ -801,9 +939,11 @@ static int __init exynos850_cmu_probe(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -/* CMUs which belong to Power Domains and need runtime PM to be implemented */
>  static const struct of_device_id exynos850_cmu_of_match[] = {
>  	{
> +		.compatible = "samsung,exynos850-cmu-apm",
> +		.data = &apm_cmu_info,
> +	}, {
>  		.compatible = "samsung,exynos850-cmu-hsi",
>  		.data = &hsi_cmu_info,
>  	}, {
> diff --git a/include/dt-bindings/clock/exynos850.h b/include/dt-bindings/clock/exynos850.h
> index 8999184f94a2..c65e0300a8d3 100644
> --- a/include/dt-bindings/clock/exynos850.h
> +++ b/include/dt-bindings/clock/exynos850.h
> @@ -16,46 +16,73 @@
>  #define CLK_MOUT_SHARED0_PLL		4
>  #define CLK_MOUT_SHARED1_PLL		5
>  #define CLK_MOUT_MMC_PLL		6
> -#define CLK_MOUT_CORE_BUS		7
> -#define CLK_MOUT_CORE_CCI		8
> -#define CLK_MOUT_CORE_MMC_EMBD		9
> -#define CLK_MOUT_CORE_SSS		10
> -#define CLK_MOUT_DPU			11
> -#define CLK_MOUT_HSI_BUS		12
> -#define CLK_MOUT_HSI_MMC_CARD		13
> -#define CLK_MOUT_HSI_USB20DRD		14
> -#define CLK_MOUT_PERI_BUS		15
> -#define CLK_MOUT_PERI_UART		16
> -#define CLK_MOUT_PERI_IP		17
> -#define CLK_DOUT_SHARED0_DIV3		18
> -#define CLK_DOUT_SHARED0_DIV2		19
> -#define CLK_DOUT_SHARED1_DIV3		20
> -#define CLK_DOUT_SHARED1_DIV2		21
> -#define CLK_DOUT_SHARED0_DIV4		22
> -#define CLK_DOUT_SHARED1_DIV4		23
> -#define CLK_DOUT_CORE_BUS		24
> -#define CLK_DOUT_CORE_CCI		25
> -#define CLK_DOUT_CORE_MMC_EMBD		26
> -#define CLK_DOUT_CORE_SSS		27
> -#define CLK_DOUT_DPU			28
> -#define CLK_DOUT_HSI_BUS		29
> -#define CLK_DOUT_HSI_MMC_CARD		30
> -#define CLK_DOUT_HSI_USB20DRD		31
> -#define CLK_DOUT_PERI_BUS		32
> -#define CLK_DOUT_PERI_UART		33
> -#define CLK_DOUT_PERI_IP		34
> -#define CLK_GOUT_CORE_BUS		35
> -#define CLK_GOUT_CORE_CCI		36
> -#define CLK_GOUT_CORE_MMC_EMBD		37
> -#define CLK_GOUT_CORE_SSS		38
> -#define CLK_GOUT_DPU			39
> -#define CLK_GOUT_HSI_BUS		40
> -#define CLK_GOUT_HSI_MMC_CARD		41
> -#define CLK_GOUT_HSI_USB20DRD		42
> -#define CLK_GOUT_PERI_BUS		43
> -#define CLK_GOUT_PERI_UART		44
> -#define CLK_GOUT_PERI_IP		45
> -#define TOP_NR_CLK			46
> +#define CLK_MOUT_CLKCMU_APM_BUS		7
> +#define CLK_MOUT_CORE_BUS		8
> +#define CLK_MOUT_CORE_CCI		9
> +#define CLK_MOUT_CORE_MMC_EMBD		10
> +#define CLK_MOUT_CORE_SSS		11
> +#define CLK_MOUT_DPU			12
> +#define CLK_MOUT_HSI_BUS		13
> +#define CLK_MOUT_HSI_MMC_CARD		14
> +#define CLK_MOUT_HSI_USB20DRD		15
> +#define CLK_MOUT_PERI_BUS		16
> +#define CLK_MOUT_PERI_UART		17
> +#define CLK_MOUT_PERI_IP		18
> +#define CLK_DOUT_SHARED0_DIV3		19
> +#define CLK_DOUT_SHARED0_DIV2		20
> +#define CLK_DOUT_SHARED1_DIV3		21
> +#define CLK_DOUT_SHARED1_DIV2		22
> +#define CLK_DOUT_SHARED0_DIV4		23
> +#define CLK_DOUT_SHARED1_DIV4		24
> +#define CLK_DOUT_CLKCMU_APM_BUS		25
> +#define CLK_DOUT_CORE_BUS		26
> +#define CLK_DOUT_CORE_CCI		27
> +#define CLK_DOUT_CORE_MMC_EMBD		28
> +#define CLK_DOUT_CORE_SSS		29
> +#define CLK_DOUT_DPU			30
> +#define CLK_DOUT_HSI_BUS		31
> +#define CLK_DOUT_HSI_MMC_CARD		32
> +#define CLK_DOUT_HSI_USB20DRD		33
> +#define CLK_DOUT_PERI_BUS		34
> +#define CLK_DOUT_PERI_UART		35
> +#define CLK_DOUT_PERI_IP		36
> +#define CLK_GOUT_CLKCMU_APM_BUS		37
> +#define CLK_GOUT_CORE_BUS		38
> +#define CLK_GOUT_CORE_CCI		39
> +#define CLK_GOUT_CORE_MMC_EMBD		40
> +#define CLK_GOUT_CORE_SSS		41
> +#define CLK_GOUT_DPU			42
> +#define CLK_GOUT_HSI_BUS		43
> +#define CLK_GOUT_HSI_MMC_CARD		44
> +#define CLK_GOUT_HSI_USB20DRD		45
> +#define CLK_GOUT_PERI_BUS		46
> +#define CLK_GOUT_PERI_UART		47
> +#define CLK_GOUT_PERI_IP		48
> +#define TOP_NR_CLK			49

Everything is fine here, because there are no users of this, but just
for the record: once your board stabilizes in mainline please avoid
shuffling IDs because it would be an ABI break.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>

Best regards,
Krzysztof



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