arm64: dts: rockchip: Enable SPI1 on Ficus

Enable SPI1 exposed on both Low and High speed expansion connectors
of Ficus. SPI1 has 3 different chip selects wired as below:

CS0 - Serial Flash (unpopulated)
CS1 - Low Speed expansion
CS2 - High Speed expansion

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-ficus.dts b/arch/arm64/boot/dts/rockchip/rk3399-ficus.dts
index 6b059bd7a04f..ebe2ee77ba1f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-ficus.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-ficus.dts
@@ -146,6 +146,12 @@
         };
 };
 
+&spi1 {
+        /* On both Low speed and High speed expansion */
+        cs-gpios = <0>, <&gpio4 RK_PA6 0>, <&gpio4 RK_PA7 0>;
+        status = "okay";
+};
+
 &usbdrd_dwc3_0 {
         dr_mode = "host";
 };