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[2/2] arm64: dts: rockchip: Add SPI NOR device on the ROCK 4D

Message ID 20250228145304.581349-3-detlev.casanova@collabora.com (mailing list archive)
State New
Headers show
Series Add SPI support for Radxa ROCK 4D | expand

Commit Message

Detlev Casanova Feb. 28, 2025, 2:50 p.m. UTC
The SPI NOR chip is connected on the FSPI0 core, so enable the sfc0 node
and add the flash device to it.

The SPI NOR won't work at higher speed than 50 MHz, specify the limit.

Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
---
 arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
index 5dc1c18a3b211..09977dc191fe1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
@@ -670,6 +670,22 @@  &sdmmc {
 	status = "okay";
 };
 
+
+&sfc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&fspi0_pins &fspi0_csn0>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
+		vcc-supply = <&vcc_1v8_s3>;
+	};
+};
+
 &u2phy0 {
 	status = "okay";
 };