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@xxxxxxxxx>
---
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@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
