Re: [PATCH] arm64: dts: rockchip: Fix SD card controller probe on Pinephone Pro

[Caleb Connolly]

On 05/09/2022 00:36, Ondrej Jirman wrote:
> Voltage constraints on vccio_sd are invalid. They don't match the voltages
> that LDO9 can generate, and this causes rk808-regulator driver to fail
> to probe with -EINVAL when it tries to apply the constraints during boot.
>
> Fix the constraints to something that LDO9 can be actually configured for.
>
> Fixes: 78a21c7d5952 ("arm64: dts: rockchip: Add initial support for Pine64 PinePhone Pro")
> Signed-off-by: Ondrej Jirman <megi@xxxxxx>

Reviewed-by: Caleb Connolly <kc@xxxxxxxxxxxxxxxx>
> ---
>   arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> index f00c80361377a..2e058c3150256 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> @@ -253,8 +253,8 @@ regulator-state-mem {
>   
>   			vccio_sd: LDO_REG9 {
>   				regulator-name = "vccio_sd";
> -				regulator-min-microvolt = <1710000>;
> -				regulator-max-microvolt = <3150000>;
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <3300000>;
>   			};
>   
>   			vcc3v3_s0: SWITCH_REG {