[PATCH v3 2/2] arm64: dts: rockchip: Add sdmmc/sdio/emmc reset controls for RK3328

Dragan Simic dsimic at manjaro.org
Sat Jul 13 06:32:09 PDT 2024


Hello Diederik,

On 2024-07-10 15:28, Diederik de Haas wrote:
> From: Alex Bee <knaerzche at gmail.com>
> 
> The DW MCI controller driver will use them to reset the IP block before
> initialisation.
> 
> Fixes: d717f7352ec6 ("arm64: dts: rockchip: add sdmmc/sdio/emmc nodes
> for RK3328 SoCs")
> Signed-off-by: Alex Bee <knaerzche at gmail.com>
> Signed-off-by: Diederik de Haas <didi.debian at cknow.org>

Looking good to me, cross-referencing the RK3328 TRM checks out.

Reviewed-by: Dragan Simic <dsimic at manjaro.org>

> ---
>  arch/arm64/boot/dts/rockchip/rk3328.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> index 95c3f1303544..16b4faa22e4f 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> @@ -910,6 +910,8 @@ sdmmc: mmc at ff500000 {
>  		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
>  		fifo-depth = <0x100>;
>  		max-frequency = <150000000>;
> +		resets = <&cru SRST_MMC0>;
> +		reset-names = "reset";
>  		status = "disabled";
>  	};
> 
> @@ -922,6 +924,8 @@ sdio: mmc at ff510000 {
>  		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
>  		fifo-depth = <0x100>;
>  		max-frequency = <150000000>;
> +		resets = <&cru SRST_SDIO>;
> +		reset-names = "reset";
>  		status = "disabled";
>  	};
> 
> @@ -934,6 +938,8 @@ emmc: mmc at ff520000 {
>  		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
>  		fifo-depth = <0x100>;
>  		max-frequency = <150000000>;
> +		resets = <&cru SRST_EMMC>;
> +		reset-names = "reset";
>  		status = "disabled";
>  	};



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