[PATCH v4 2/2] clk: mediatek: reset: add infra_ao reset support for MT8188

[AngeloGioacchino Del Regno]

Il 25/05/23 09:50, Runyang Chen ha scritto:
> The infra_ao reset is needed for MT8188.
> - Add mtk_clk_rst_desc for MT8188.
> - Add register reset controller function for MT8188 infra_ao.
> - Add infra_ao_idx_map for MT8188.
> 
> Signed-off-by: Runyang Chen <runyang.chen at mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>


> Reported-by: kernel test robot <lkp at intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202305242320.AZzmINEa-lkp@intel.com/
> ---
>   drivers/clk/mediatek/clk-mt8188-infra_ao.c | 24 ++++++++++++++++++++++
>   1 file changed, 24 insertions(+)
> 
> diff --git a/drivers/clk/mediatek/clk-mt8188-infra_ao.c b/drivers/clk/mediatek/clk-mt8188-infra_ao.c
> index a38ddc7b6a88..f590178737cb 100644
> --- a/drivers/clk/mediatek/clk-mt8188-infra_ao.c
> +++ b/drivers/clk/mediatek/clk-mt8188-infra_ao.c
> @@ -5,6 +5,7 @@
>    */
>   
>   #include <dt-bindings/clock/mediatek,mt8188-clk.h>
> +#include <dt-bindings/reset/mt8188-resets.h>
>   #include <linux/clk-provider.h>
>   #include <linux/platform_device.h>
>   
> @@ -176,9 +177,32 @@ static const struct mtk_gate infra_ao_clks[] = {
>   		       "infra_ao_aes_msdcfde_0p", "top_aes_msdcfde", 18),
>   };
>   
> +static u16 infra_ao_rst_ofs[] = {
> +	INFRA_RST0_SET_OFFSET,
> +	INFRA_RST1_SET_OFFSET,
> +	INFRA_RST2_SET_OFFSET,
> +	INFRA_RST3_SET_OFFSET,
> +	INFRA_RST4_SET_OFFSET,
> +};
> +
> +static u16 infra_ao_idx_map[] = {
> +	[MT8188_INFRA_RST1_THERMAL_MCU_RST] = 1 * RST_NR_PER_BANK + 2,
> +	[MT8188_INFRA_RST1_THERMAL_CTRL_RST] = 1 * RST_NR_PER_BANK + 4,
> +	[MT8188_INFRA_RST3_PTP_CTRL_RST] = 3 * RST_NR_PER_BANK + 5,
> +};
> +
> +static const struct mtk_clk_rst_desc infra_ao_rst_desc = {
> +	.version = MTK_RST_SET_CLR,
> +	.rst_bank_ofs = infra_ao_rst_ofs,
> +	.rst_bank_nr = ARRAY_SIZE(infra_ao_rst_ofs),
> +	.rst_idx_map = infra_ao_idx_map,
> +	.rst_idx_map_nr = ARRAY_SIZE(infra_ao_idx_map),
> +};
> +
>   static const struct mtk_clk_desc infra_ao_desc = {
>   	.clks = infra_ao_clks,
>   	.num_clks = ARRAY_SIZE(infra_ao_clks),
> +	.rst_desc = &infra_ao_rst_desc,
>   };
>   
>   static const struct of_device_id of_match_clk_mt8188_infra_ao[] = {