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

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
---
 arch/mips/boot/dts/realtek/rtl930x.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/mips/boot/dts/realtek/rtl930x.dtsi b/arch/mips/boot/dts/realtek/rtl930x.dtsi
index cf1b38b6c353..c579665df700 100644
--- a/arch/mips/boot/dts/realtek/rtl930x.dtsi
+++ b/arch/mips/boot/dts/realtek/rtl930x.dtsi
@@ -39,6 +39,24 @@ reboot {
 			offset = <0x0c>;
 			value = <0x01>;
 		};
+
+		i2c0: i2c@36c {
+			compatible = "realtek,rtl9300-i2c";
+			realtek,control-offset = <0x36c>;
+			realtek,global-control-offset = <0x384>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c1: i2c@388 {
+			compatible = "realtek,rtl9300-i2c";
+			realtek,control-offset = <0x388>;
+			realtek,global-control-offset = <0x384>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
 	};
 };
 
-- 
2.46.1