Re: [PATCH v2 4/6] arm64: dts: qcom: lemans-ride-common: fix SerDes PHY regulator supplies

On Mon, 3 Aug 2026 21:28:00 +0200, Mohd Ayaan Anwar
<[email protected]> said:
> Both SerDes PHY nodes were configured with 'phy-supply = <&vreg_l5a>',
> which was incorrect on two counts: vreg_l5a is not a supply the PHY
> requires, and only one rail was described where the hardware needs two.
>
> The PHY requires vdda-0p9 (vreg_l4a) and vdda-1p2 (vreg_l1c). Replace
> the incorrect phy-supply with these two named properties on both nodes.
>
> Fixes: 5ef26fb8b3ed ("arm64: dts: qcom: sa8775p-ride: enable the SerDes PHY")
> Signed-off-by: Mohd Ayaan Anwar <[email protected]>
> ---
>  arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi b/arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi
> index cefb8ff0080631e25e9dd3a05cd810c6955bf1fe..923fd8736f31df2eb5198b27ddf52c171f7b2943 100644
> --- a/arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/lemans-ride-common.dtsi
> @@ -856,12 +856,16 @@ &qup_uart17_rx {
>  };
>
>  &serdes0 {
> -	phy-supply = <&vreg_l5a>;
> +	vdda-0p9-supply = <&vreg_l4a>;
> +	vdda-1p2-supply = <&vreg_l1c>;
> +
>  	status = "okay";
>  };
>
>  &serdes1 {
> -	phy-supply = <&vreg_l5a>;
> +	vdda-0p9-supply = <&vreg_l4a>;
> +	vdda-1p2-supply = <&vreg_l1c>;
> +
>  	status = "okay";
>  };
>
>
> --
> 2.34.1
>
>

Reviewed-by: Bartosz Golaszewski <[email protected]>

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