rockchip: dts: rv1108: Add SARADC node at dtsi level

Signed-off-by: David Wu <david.wu@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

arch/arm/dts/rv1108.dtsi

@@ -126,6 +126,17 @@
 		reg = <0x10300000 0x1000>;
 	};
 
+	saradc: saradc@1038c000 {
+		compatible = "rockchip,rv1108-saradc", "rockchip,rk3399-saradc";
+		reg = <0x1038c000 0x100>;
+		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+		#io-channel-cells = <1>;
+		clock-frequency = <1000000>;
+		clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
+		clock-names = "saradc", "apb_pclk";
+		status = "disabled";
+	};
+
 	pmugrf: syscon@20060000 {
 		compatible = "rockchip,rv1108-pmugrf", "syscon";
 		reg = <0x20060000 0x1000>;