rockchip: rk356x-generic: Add support for SPI flash
Add support for booting from SPI flash using the generic RK3566/RK3568
target.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3568-generic-u-boot.dtsi b/arch/arm/dts/rk3568-generic-u-boot.dtsi
index 6e8307e..fd7f536 100644
--- a/arch/arm/dts/rk3568-generic-u-boot.dtsi
+++ b/arch/arm/dts/rk3568-generic-u-boot.dtsi
@@ -1,3 +1,10 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
#include "rk356x-u-boot.dtsi"
+
+&sfc {
+ flash@0 {
+ bootph-pre-ram;
+ bootph-some-ram;
+ };
+};
diff --git a/arch/arm/dts/rk3568-generic.dts b/arch/arm/dts/rk3568-generic.dts
index 3b9bf80..87c3aff 100644
--- a/arch/arm/dts/rk3568-generic.dts
+++ b/arch/arm/dts/rk3568-generic.dts
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
- * Minimal generic DT for RK3566/RK3568 with eMMC and SD-card enabled
+ * Minimal generic DT for RK3566/RK3568 with eMMC, SD-card and SPI flash enabled
*/
/dts-v1/;
@@ -43,6 +43,18 @@
status = "okay";
};
+&sfc {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <24000000>;
+ };
+};
+
&uart2 {
status = "okay";
};