linux-kernel - [PATCH 4/4] arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3588-rock-5b

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Message-ID: <20250425092601.56549-5-didi.debian@cknow.org>
Date: Fri, 25 Apr 2025 10:44:44 +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 4/4] arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3588-rock-5b

The Radxa Rock 5B component placement document identifies the SPI Nor
Flash chip as 'U4300' which is described on page 25 of the Schematic
v1.45. There we can see that the VCC connector is connected to the
VCC_3V3_S3 power source.

This fixes the following warning:

  spi-nor spi5.0: 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/rk3588-rock-5b.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index d22068475c5d..17f4fd054cd3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -562,6 +562,7 @@ flash@0 {
 		spi-max-frequency = <104000000>;
 		spi-rx-bus-width = <4>;
 		spi-tx-bus-width = <1>;
+		vcc-supply = <&vcc_3v3_s3>;
 	};
 };
 
-- 
2.49.0