MIPS: JZ4780: DTS: Add I2C nodes

Add the devicetree nodes for the I2C core of the JZ4780 SoC, disabled
by default.
Signed-off-by: Alexandre GRIVEAUX <agriveaux@deutnet.info>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: robh+dt@kernel.org
Cc: mark.rutland@arm.com
Cc: ralf@linux-mips.org
Cc: jhogan@kernel.org
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org

arch/mips/boot/dts/ingenic/jz4780.dtsi

@@ -262,6 +262,92 @@ uart4: serial@10034000 {
 		status = "disabled";
 	};
 
+	i2c0: i2c@10050000 {
+		compatible = "ingenic,jz4780-i2c";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reg = <0x10050000 0x1000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <60>;
+
+		clocks = <&cgu JZ4780_CLK_SMB0>;
+		clock-frequency = <100000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pins_i2c0_data>;
+
+		status = "disabled";
+	};
+
+	i2c1: i2c@10051000 {
+		compatible = "ingenic,jz4780-i2c";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x10051000 0x1000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <59>;
+
+		clocks = <&cgu JZ4780_CLK_SMB1>;
+		clock-frequency = <100000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pins_i2c1_data>;
+
+		status = "disabled";
+	};
+
+	i2c2: i2c@10052000 {
+		compatible = "ingenic,jz4780-i2c";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x10052000 0x1000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <58>;
+
+		clocks = <&cgu JZ4780_CLK_SMB2>;
+		clock-frequency = <100000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pins_i2c2_data>;
+
+		status = "disabled";
+	};
+
+	i2c3: i2c@10053000 {
+		compatible = "ingenic,jz4780-i2c";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x10053000 0x1000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <57>;
+
+		clocks = <&cgu JZ4780_CLK_SMB3>;
+		clock-frequency = <100000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pins_i2c3_data>;
+
+		status = "disabled";
+	};
+
+	i2c4: i2c@10054000 {
+		compatible = "ingenic,jz4780-i2c";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x10054000 0x1000>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <56>;
+
+		clocks = <&cgu JZ4780_CLK_SMB4>;
+		clock-frequency = <100000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pins_i2c4_data>;
+
+		status = "disabled";
+	};
+
 	watchdog: watchdog@10002000 {
 		compatible = "ingenic,jz4780-watchdog";
 		reg = <0x10002000 0x10>;