Re: [PATCH 2/4] arm64: dts: imx8mp-phycore-som: add spi-nor supply vcc

[Frank Li <Frank.li@nxp.com>]

On Mon, Oct 20, 2025 at 03:11:23PM +0200, Yannic Moog wrote:
> The spi flash on the SoM is missing its vcc supply definition. Add
> missing regulator which supplies the flash with 1.8V.
>
> Signed-off-by: Yannic Moog <y.moog@phytec.de>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
> index 88831c0fbb7be3db18910385e4e15691b1c74ef2..d370e2a3a00c5e3e91a606ac0fbed30cf5e6f9b2 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
> @@ -28,6 +28,15 @@ reg_vdd_io: regulator-vdd-io {
>  		regulator-min-microvolt = <3300000>;
>  		regulator-name = "VDD_IO";
>  	};
> +
> +	reg_vdd_1v8: regulator-vdd-1v8 {
> +		compatible = "regulator-fixed";
> +		regulator-always-on;
> +		regulator-boot-on;

Needn't regulator-always-on and regulator-boot-on because it is refered
by flash@0.

Frank

> +		regulator-max-microvolt = <1800000>;
> +		regulator-min-microvolt = <1800000>;
> +		regulator-name = "VDD_1V8";
> +	};
>  };
>
>  &A53_0 {
> @@ -83,6 +92,7 @@ som_flash: flash@0 {
>  		spi-max-frequency = <80000000>;
>  		spi-rx-bus-width = <4>;
>  		spi-tx-bus-width = <1>;
> +		vcc-supply = <&reg_vdd_1v8>;
>  	};
>  };
>
>
> --
> 2.51.0
>