RE: [PATCH 07/11] clk: samsung: exynos5433: do not define number of clocks in bindings

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> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Sent: Tuesday, August 8, 2023 1:58 PM
> To: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>; Sylwester
> Nawrocki <s.nawrocki@xxxxxxxxxxx>; Tomasz Figa
> <tomasz.figa@xxxxxxxxx>; Chanwoo Choi <cw00.choi@xxxxxxxxxxx>; Alim
> Akhtar <alim.akhtar@xxxxxxxxxxx>; Michael Turquette
> <mturquette@xxxxxxxxxxxx>; Stephen Boyd <sboyd@xxxxxxxxxx>; Rob
> Herring <robh+dt@xxxxxxxxxx>; Conor Dooley <conor+dt@xxxxxxxxxx>;
> linux-samsung-soc@xxxxxxxxxxxxxxx; linux-clk@xxxxxxxxxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx
> Subject: [PATCH 07/11] clk: samsung: exynos5433: do not define number of
> clocks in bindings
> 
> Number of clocks supported by Linux drivers might vary - sometimes we add
> new clocks, not exposed previously.  Therefore this number of clocks
should
> not be in the bindings, because otherwise we should not change it.
> 
> Define number of clocks per each clock controller inside the driver
directly.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>

>  drivers/clk/samsung/clk-exynos5433.c | 65 +++++++++++++++++++---------
>  1 file changed, 44 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/clk/samsung/clk-exynos5433.c
b/drivers/clk/samsung/clk-
> exynos5433.c
> index ed43233649ae..6bfc5d0cd924 100644
> --- a/drivers/clk/samsung/clk-exynos5433.c
> +++ b/drivers/clk/samsung/clk-exynos5433.c
> @@ -21,6 +21,29 @@
>  #include "clk-exynos-arm64.h"
>  #include "clk-pll.h"
> 
> +/* NOTE: Must be equal to the last clock ID increased by one */
> +#define CLKS_NR_TOP
> 	(CLK_SCLK_HDMI_SPDIF_DISP + 1)
> +#define CLKS_NR_CPIF			(CLK_SCLK_UFS_MPHY + 1)
> +#define CLKS_NR_MIF			(CLK_SCLK_BUS_PLL_ATLAS +
> 1)
> +#define CLKS_NR_PERIC			(CLK_DIV_SCLK_SC_IN + 1)
> +#define CLKS_NR_PERIS			(CLK_SCLK_OTP_CON + 1)
> +#define CLKS_NR_FSYS			(CLK_PCIE + 1)
> +#define CLKS_NR_G2D			(CLK_PCLK_SMMU_G2D + 1)
> +#define CLKS_NR_DISP
> 	(CLK_PHYCLK_MIPIDPHY0_RXCLKESC0_PHY + 1)
> +#define CLKS_NR_AUD			(CLK_SCLK_AUD_I2S + 1)
> +#define CLKS_NR_BUSX			(CLK_ACLK_BUS2RTND_400 +
> 1)
> +#define CLKS_NR_G3D			(CLK_SCLK_HPM_G3D + 1)
> +#define CLKS_NR_GSCL			(CLK_PCLK_SMMU_GSCL2 +
> 1)
> +#define CLKS_NR_APOLLO			(CLK_SCLK_APOLLO + 1)
> +#define CLKS_NR_ATLAS			(CLK_SCLK_ATLAS + 1)
> +#define CLKS_NR_MSCL			(CLK_SCLK_JPEG + 1)
> +#define CLKS_NR_MFC			(CLK_PCLK_SMMU_MFC_0 +
> 1)
> +#define CLKS_NR_HEVC			(CLK_PCLK_SMMU_HEVC_0
> + 1)
> +#define CLKS_NR_ISP			(CLK_SCLK_PIXELASYNCM_ISPC + 1)
> +#define CLKS_NR_CAM0
> 	(CLK_SCLK_PIXELASYNCS_LITE_C_INIT + 1)
> +#define CLKS_NR_CAM1			(CLK_SCLK_ISP_CA5 + 1)
> +#define CLKS_NR_IMEM			(CLK_PCLK_SLIMSSS + 1)
> +
>  /*
>   * Register offset definitions for CMU_TOP
>   */
> @@ -798,7 +821,7 @@ static const struct samsung_cmu_info top_cmu_info
> __initconst = {
>  	.nr_fixed_clks		= ARRAY_SIZE(top_fixed_clks),
>  	.fixed_factor_clks	= top_fixed_factor_clks,
>  	.nr_fixed_factor_clks	= ARRAY_SIZE(top_fixed_factor_clks),
> -	.nr_clk_ids		= TOP_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_TOP,
>  	.clk_regs		= top_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(top_clk_regs),
>  	.suspend_regs		= top_suspend_regs,
> @@ -877,7 +900,7 @@ static const struct samsung_cmu_info cpif_cmu_info
> __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(cpif_div_clks),
>  	.gate_clks		= cpif_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(cpif_gate_clks),
> -	.nr_clk_ids		= CPIF_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_CPIF,
>  	.clk_regs		= cpif_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(cpif_clk_regs),
>  	.suspend_regs		= cpif_suspend_regs,
> @@ -1531,7 +1554,7 @@ static const struct samsung_cmu_info
> mif_cmu_info __initconst = {
>  	.nr_gate_clks		= ARRAY_SIZE(mif_gate_clks),
>  	.fixed_factor_clks	= mif_fixed_factor_clks,
>  	.nr_fixed_factor_clks	= ARRAY_SIZE(mif_fixed_factor_clks),
> -	.nr_clk_ids		= MIF_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_MIF,
>  	.clk_regs		= mif_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(mif_clk_regs),
>  };
> @@ -1730,7 +1753,7 @@ static const struct samsung_cmu_info
> peric_cmu_info __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(peric_div_clks),
>  	.gate_clks		= peric_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(peric_gate_clks),
> -	.nr_clk_ids		= PERIC_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_PERIC,
>  	.clk_regs		= peric_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(peric_clk_regs),
>  	.suspend_regs		= peric_suspend_regs,
> @@ -1924,7 +1947,7 @@ static const struct samsung_gate_clock
> peris_gate_clks[] __initconst = {  static const struct samsung_cmu_info
> peris_cmu_info __initconst = {
>  	.gate_clks		= peris_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(peris_gate_clks),
> -	.nr_clk_ids		= PERIS_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_PERIS,
>  	.clk_regs		= peris_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(peris_clk_regs),
>  };
> @@ -2336,7 +2359,7 @@ static const struct samsung_cmu_info
> fsys_cmu_info __initconst = {
>  	.nr_gate_clks		= ARRAY_SIZE(fsys_gate_clks),
>  	.fixed_clks		= fsys_fixed_clks,
>  	.nr_fixed_clks		= ARRAY_SIZE(fsys_fixed_clks),
> -	.nr_clk_ids		= FSYS_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_FSYS,
>  	.clk_regs		= fsys_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(fsys_clk_regs),
>  	.suspend_regs		= fsys_suspend_regs,
> @@ -2459,7 +2482,7 @@ static const struct samsung_cmu_info
> g2d_cmu_info __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(g2d_div_clks),
>  	.gate_clks		= g2d_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(g2d_gate_clks),
> -	.nr_clk_ids		= G2D_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_G2D,
>  	.clk_regs		= g2d_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(g2d_clk_regs),
>  	.suspend_regs		= g2d_suspend_regs,
> @@ -2887,7 +2910,7 @@ static const struct samsung_cmu_info
> disp_cmu_info __initconst = {
>  	.nr_fixed_clks		= ARRAY_SIZE(disp_fixed_clks),
>  	.fixed_factor_clks	= disp_fixed_factor_clks,
>  	.nr_fixed_factor_clks	= ARRAY_SIZE(disp_fixed_factor_clks),
> -	.nr_clk_ids		= DISP_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_DISP,
>  	.clk_regs		= disp_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(disp_clk_regs),
>  	.suspend_regs		= disp_suspend_regs,
> @@ -3057,7 +3080,7 @@ static const struct samsung_cmu_info
> aud_cmu_info __initconst = {
>  	.nr_gate_clks		= ARRAY_SIZE(aud_gate_clks),
>  	.fixed_clks		= aud_fixed_clks,
>  	.nr_fixed_clks		= ARRAY_SIZE(aud_fixed_clks),
> -	.nr_clk_ids		= AUD_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_AUD,
>  	.clk_regs		= aud_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(aud_clk_regs),
>  	.suspend_regs		= aud_suspend_regs,
> @@ -3189,7 +3212,7 @@ static const struct samsung_gate_clock
> bus2_gate_clks[] __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(bus##id##_div_clks),	\
>  	.gate_clks		= bus##id##_gate_clks,
> 	\
>  	.nr_gate_clks		= ARRAY_SIZE(bus##id##_gate_clks),	\
> -	.nr_clk_ids		= BUSx_NR_CLK
> +	.nr_clk_ids		= CLKS_NR_BUSX
> 
>  static const struct samsung_cmu_info bus0_cmu_info __initconst = {
>  	CMU_BUS_INFO_CLKS(0),
> @@ -3340,7 +3363,7 @@ static const struct samsung_cmu_info
> g3d_cmu_info __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(g3d_div_clks),
>  	.gate_clks		= g3d_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(g3d_gate_clks),
> -	.nr_clk_ids		= G3D_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_G3D,
>  	.clk_regs		= g3d_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(g3d_clk_regs),
>  	.suspend_regs		= g3d_suspend_regs,
> @@ -3483,7 +3506,7 @@ static const struct samsung_cmu_info
> gscl_cmu_info __initconst = {
>  	.nr_mux_clks		= ARRAY_SIZE(gscl_mux_clks),
>  	.gate_clks		= gscl_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(gscl_gate_clks),
> -	.nr_clk_ids		= GSCL_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_GSCL,
>  	.clk_regs		= gscl_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(gscl_clk_regs),
>  	.suspend_regs		= gscl_suspend_regs,
> @@ -3693,7 +3716,7 @@ static const struct samsung_cmu_info
> apollo_cmu_info __initconst = {
>  	.nr_gate_clks	= ARRAY_SIZE(apollo_gate_clks),
>  	.cpu_clks	= apollo_cpu_clks,
>  	.nr_cpu_clks	= ARRAY_SIZE(apollo_cpu_clks),
> -	.nr_clk_ids	= APOLLO_NR_CLK,
> +	.nr_clk_ids	= CLKS_NR_APOLLO,
>  	.clk_regs	= apollo_clk_regs,
>  	.nr_clk_regs	= ARRAY_SIZE(apollo_clk_regs),
>  };
> @@ -3938,7 +3961,7 @@ static const struct samsung_cmu_info
> atlas_cmu_info __initconst = {
>  	.nr_gate_clks	= ARRAY_SIZE(atlas_gate_clks),
>  	.cpu_clks	= atlas_cpu_clks,
>  	.nr_cpu_clks	= ARRAY_SIZE(atlas_cpu_clks),
> -	.nr_clk_ids	= ATLAS_NR_CLK,
> +	.nr_clk_ids	= CLKS_NR_ATLAS,
>  	.clk_regs	= atlas_clk_regs,
>  	.nr_clk_regs	= ARRAY_SIZE(atlas_clk_regs),
>  };
> @@ -4112,7 +4135,7 @@ static const struct samsung_cmu_info
> mscl_cmu_info __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(mscl_div_clks),
>  	.gate_clks		= mscl_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(mscl_gate_clks),
> -	.nr_clk_ids		= MSCL_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_MSCL,
>  	.clk_regs		= mscl_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(mscl_clk_regs),
>  	.suspend_regs		= mscl_suspend_regs,
> @@ -4220,7 +4243,7 @@ static const struct samsung_cmu_info
> mfc_cmu_info __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(mfc_div_clks),
>  	.gate_clks		= mfc_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(mfc_gate_clks),
> -	.nr_clk_ids		= MFC_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_MFC,
>  	.clk_regs		= mfc_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(mfc_clk_regs),
>  	.suspend_regs		= mfc_suspend_regs,
> @@ -4330,7 +4353,7 @@ static const struct samsung_cmu_info
> hevc_cmu_info __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(hevc_div_clks),
>  	.gate_clks		= hevc_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(hevc_gate_clks),
> -	.nr_clk_ids		= HEVC_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_HEVC,
>  	.clk_regs		= hevc_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(hevc_clk_regs),
>  	.suspend_regs		= hevc_suspend_regs,
> @@ -4583,7 +4606,7 @@ static const struct samsung_cmu_info isp_cmu_info
> __initconst = {
>  	.nr_div_clks		= ARRAY_SIZE(isp_div_clks),
>  	.gate_clks		= isp_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(isp_gate_clks),
> -	.nr_clk_ids		= ISP_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_ISP,
>  	.clk_regs		= isp_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(isp_clk_regs),
>  	.suspend_regs		= isp_suspend_regs,
> @@ -5065,7 +5088,7 @@ static const struct samsung_cmu_info
> cam0_cmu_info __initconst = {
>  	.nr_gate_clks		= ARRAY_SIZE(cam0_gate_clks),
>  	.fixed_clks		= cam0_fixed_clks,
>  	.nr_fixed_clks		= ARRAY_SIZE(cam0_fixed_clks),
> -	.nr_clk_ids		= CAM0_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_CAM0,
>  	.clk_regs		= cam0_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(cam0_clk_regs),
>  	.suspend_regs		= cam0_suspend_regs,
> @@ -5440,7 +5463,7 @@ static const struct samsung_cmu_info
> cam1_cmu_info __initconst = {
>  	.nr_gate_clks		= ARRAY_SIZE(cam1_gate_clks),
>  	.fixed_clks		= cam1_fixed_clks,
>  	.nr_fixed_clks		= ARRAY_SIZE(cam1_fixed_clks),
> -	.nr_clk_ids		= CAM1_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_CAM1,
>  	.clk_regs		= cam1_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(cam1_clk_regs),
>  	.suspend_regs		= cam1_suspend_regs,
> @@ -5472,7 +5495,7 @@ static const struct samsung_gate_clock
> imem_gate_clks[] __initconst = {  static const struct samsung_cmu_info
> imem_cmu_info __initconst = {
>  	.gate_clks		= imem_gate_clks,
>  	.nr_gate_clks		= ARRAY_SIZE(imem_gate_clks),
> -	.nr_clk_ids		= IMEM_NR_CLK,
> +	.nr_clk_ids		= CLKS_NR_IMEM,
>  	.clk_regs		= imem_clk_regs,
>  	.nr_clk_regs		= ARRAY_SIZE(imem_clk_regs),
>  	.clk_name		= "aclk_imem_200",
> --
> 2.34.1





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