linux-kernel - [PATCH 1/1] arm64: dts: rockchip: enable onboard spi flash for rock-3a

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Message-Id: <20240408124005.182565-1-amadeus@jmu.edu.cn>
Date: Mon,  8 Apr 2024 20:40:05 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: Heiko Stuebner <heiko@...ech.de>
Cc: Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH 1/1] arm64: dts: rockchip: enable onboard spi flash for rock-3a

There is a mx25u12835f spi flash on this board, enable it.

[    2.525805] spi-nor spi4.0: mx25u12835f (16384 Kbytes)

Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index a5e974ea659e..d8738cc47c73 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -757,6 +757,18 @@ &sdmmc2 {
 	status = "okay";
 };
 
+&sfc {
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0x0>;
+		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
+	};
+};
+
 &tsadc {
 	rockchip,hw-tshut-mode = <1>;
 	rockchip,hw-tshut-polarity = <0>;
-- 
2.25.1