[PATCH v1 3/3] arm64: dts: rockchip: add stability quirk to NanoPi R76S

[Krzysztof Kozlowski]

On Sat, Jan 10, 2026 at 02:07:15AM +0100, Marco Schirrmeister wrote:
> Enable the 'rockchip,disable-runtime-pm' quirk for the SDMMC node on the 
> NanoPi R76S to prevent bus instability and retraining loops during 
> idle periods.

You miss some other properties or fixing driver and solution is not
adding such properties in DTS. Nothing like that belongs to DTS.

> 
> Signed-off-by: Marco Schirrmeister <mschirrmeister at gmail.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts b/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
> index 31fbefaeceab..90a798ee9e68 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
> @@ -754,6 +754,7 @@ &sdmmc {
>  	disable-wp;
>  	no-mmc;
>  	no-sdio;
> +	rockchip,disable-runtime-pm;

Best regards,
Krzysztof