mips: dts: realtek: Add I2C controllers

Add the I2C controllers that are part of the RTL9300 SoC.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Author: cpackham-atlnz

arch/mips/boot/dts/realtek/rtl9302c.dtsi

@@ -5,3 +5,11 @@
 &switch0 {
 	compatible = "realtek,rtl9302c-switch", "syscon", "simple-mfd";
 };
+
+&i2c0 {
+	compatible = "realtek,rtl9302c-i2c", "realtek,rtl9301-i2c";
+};
+
+&i2c1 {
+	compatible = "realtek,rtl9302c-i2c", "realtek,rtl9301-i2c";
+};

arch/mips/boot/dts/realtek/rtl930x.dtsi

@@ -41,6 +41,22 @@
 			reg = <0x0c 0x4>;
 			value = <0x01>;
 		};
+
+		i2c0: i2c@36c {
+			compatible = "realtek,rtl9301-i2c";
+			reg = <0x36c 0x14>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@388 {
+			compatible = "realtek,rtl9301-i2c";
+			reg = <0x388 0x14>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
 	};
 };