ARM: dts: sun8i: Add i2c controller nodes

Add nodes for the 3 i2c controllers found on A23 SoCs to the sun8i DTSI.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun8i-a23.dtsi

@@ -387,6 +387,39 @@ uart4: serial@01c29000 {
 			status = "disabled";
 		};
 
+		i2c0: i2c@01c2ac00 {
+			compatible = "allwinner,sun6i-a31-i2c";
+			reg = <0x01c2ac00 0x400>;
+			interrupts = <0 6 4>;
+			clocks = <&apb2_gates 0>;
+			resets = <&apb2_rst 0>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c1: i2c@01c2b000 {
+			compatible = "allwinner,sun6i-a31-i2c";
+			reg = <0x01c2b000 0x400>;
+			interrupts = <0 7 4>;
+			clocks = <&apb2_gates 1>;
+			resets = <&apb2_rst 1>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c2: i2c@01c2b400 {
+			compatible = "allwinner,sun6i-a31-i2c";
+			reg = <0x01c2b400 0x400>;
+			interrupts = <0 8 4>;
+			clocks = <&apb2_gates 2>;
+			resets = <&apb2_rst 2>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		gic: interrupt-controller@01c81000 {
 			compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
 			reg = <0x01c81000 0x1000>,