linux-kernel - [PATCH 2/4] arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3399-rockpro64

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Message-ID: <20250425092601.56549-3-didi.debian@cknow.org>
Date: Fri, 25 Apr 2025 10:44:42 +0200
From: Diederik de Haas <didi.debian@...ow.org>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>
Cc: Dragan Simic <dsimic@...jaro.org>,
	Dang Huynh <danct12@...eup.net>,
	Johan Jonker <jbx6244@...il.com>,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
	Detlev Casanova <detlev.casanova@...labora.com>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Diederik de Haas <didi.debian@...ow.org>
Subject: [PATCH 2/4] arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3399-rockpro64

As described on page 16 of the RockPro64 schematics for both v2.0 and
v2.1, the SPI Flash's VCC connector is connected to the VCC_3V0 power
source.

This fixes the following warning:

  spi-nor spi1.0: supply vcc not found, using dummy regulator

Fixes: e7f4e924f46d ("dt-bindings: mtd: jedec,spi-nor: add optional vcc-supply")
Signed-off-by: Diederik de Haas <didi.debian@...ow.org>
---
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
index 51c6aa26d828..a7e4adf87e7a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
@@ -850,6 +850,7 @@ flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <10000000>;
+		vcc-supply = <&vcc_3v0>;
 	};
 };
 
-- 
2.49.0