[PATCH] arm64: dts: rockchip: Lower sd speed on quartz64-b

Nicolas Frattaroli frattaroli.nicolas at gmail.com
Fri Aug 19 16:53:01 PDT 2022


On Donnerstag, 21. Juli 2022 06:43:06 CEST Nicolas Frattaroli wrote:
> The previously stated speed of sdr-104 is too high for the hardware
> to reliably communicate with some fast SD cards.
> 
> Lower this to sd-uhs-sdr50 to fix this.
> 
> Fixes: dcc8c66bef79 ("arm64: dts: rockchip: add Pine64 Quartz64-B device tree")
> 
> Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas at gmail.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
> index 02d5f5a8ca03..528bb4e8ac77 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
> @@ -506,7 +506,7 @@ &sdmmc0 {
>  	disable-wp;
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
> -	sd-uhs-sdr104;
> +	sd-uhs-sdr50;
>  	vmmc-supply = <&vcc3v3_sd>;
>  	vqmmc-supply = <&vccio_sd>;
>  	status = "okay";
> 

Please apply. Thank you!





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