[PATCH 1/3] arm64: dts: rockchip: add SFC support for Radxa ROCK 5B

[FUKAUMI Naoki]

This commit adds support for SPI NOR flash on Radxa ROCK 5B.

SPI NOR flash chip may vary, so use safe(lowest) spi-max-frequency.

Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
---
 arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 6a3fd6be1793..966bbc582d89 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -449,6 +449,20 @@ &sdio {
 	status = "okay";
 };
 
+&sfc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&fspim2_pins>;
+	status = "okay";
+
+	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <104000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
+	};
+};
+
 &uart6 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart6m1_xfer &uart6m1_ctsn &uart6m1_rtsn>;
-- 
2.43.0