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

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Message-ID: <20251020-imx8mp-dts-additions-v1-2-ea9ac5652b8b@phytec.de>
Date: Mon, 20 Oct 2025 15:11:23 +0200
From: Yannic Moog <y.moog@...tec.de>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, "Sascha
 Hauer" <s.hauer@...gutronix.de>, Pengutronix Kernel Team
	<kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>
CC: <upstream@...ts.phytec.de>, <devicetree@...r.kernel.org>,
	<imx@...ts.linux.dev>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Yannic Moog <y.moog@...tec.de>
Subject: [PATCH 2/4] arm64: dts: imx8mp-phycore-som: add spi-nor supply vcc

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@...tec.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;
+		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