ARM: dts: rockchip: rk3229-at-som.dtsi: add spi dev for user space

Change-Id: If552c8f07f43cc3e173c73687c0ff7d2ee6e946f
Signed-off-by: Yankun Zheng <zyk@rock-chips.com>

Author: Yankun Zheng

arch/arm/boot/dts/rk3229-at-som.dtsi

@@ -273,9 +273,22 @@
 };
 
 &spi0 {
+	status = "okay";
+	max-freq = <48000000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&spi1_clk &spi1_tx &spi1_rx &spi1_cs0 &spi1_cs1>;
-	status = "okay";
+
+	spi_slave@0 {
+		compatible = "rockchip,spidev";
+		reg = <0>;
+		spi-max-frequency = <12000000>;
+	};
+
+	spi_slave@1 {
+		compatible = "rockchip,spidev";
+		reg = <1>;
+		spi-max-frequency = <12000000>;
+	};
 };
 
 &u2phy0 {