[PATCH 2/4] arm64: dts: imx8mp-phycore-som: add spi-nor supply vcc
Frank Li
Frank.li at nxp.com
Mon Oct 20 08:36:40 PDT 2025
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 at 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 at 0.
Frank
> + regulator-max-microvolt = <1800000>;
> + regulator-min-microvolt = <1800000>;
> + regulator-name = "VDD_1V8";
> + };
> };
>
> &A53_0 {
> @@ -83,6 +92,7 @@ som_flash: flash at 0 {
> spi-max-frequency = <80000000>;
> spi-rx-bus-width = <4>;
> spi-tx-bus-width = <1>;
> + vcc-supply = <®_vdd_1v8>;
> };
> };
>
>
> --
> 2.51.0
>
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