arm64: dts: mediatek: mt6795-xperia-m5: Enable I2C 0-3 busses

Properly configure and enable the three i2c controllers that have
devices attached on the Sony Xperia M5 smartphone.

Signed-off-by: AngeloGioacchino Del Regno <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Matthias Brugger <[email protected]>

Author: AngeloGioacchino Del Regno

arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts

@@ -55,7 +55,71 @@
 	status = "okay";
 };
 
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	status = "okay";
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+	status = "okay";
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_pins>;
+	status = "okay";
+};
+
+&i2c3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c3_pins>;
+	status = "okay";
+};
+
 &pio {
+	i2c0_pins: i2c0-pins {
+		pins-bus {
+			pinmux = <PINMUX_GPIO45__FUNC_SDA0>,
+				 <PINMUX_GPIO46__FUNC_SCL0>;
+			input-enable;
+		};
+	};
+
+	i2c1_pins: i2c1-pins {
+		pins-bus {
+			pinmux = <PINMUX_GPIO125__FUNC_SDA1>,
+				 <PINMUX_GPIO126__FUNC_SCL1>;
+			bias-disable;
+		};
+	};
+
+	i2c2_pins: i2c2-pins {
+		pins-bus {
+			pinmux = <PINMUX_GPIO43__FUNC_SDA2>,
+				 <PINMUX_GPIO44__FUNC_SCL2>;
+			bias-disable;
+		};
+	};
+
+	i2c3_pins: i2c3-pins {
+		pins-bus {
+			pinmux = <PINMUX_GPIO136__FUNC_SDA3>,
+				 <PINMUX_GPIO137__FUNC_SCL3>;
+			bias-disable;
+		};
+	};
+
+	i2c4_pins: i2c4-pins {
+		pins-bus {
+			pinmux = <PINMUX_GPIO100__FUNC_SDA4>,
+				 <PINMUX_GPIO101__FUNC_SCL4>;
+			bias-disable;
+		};
+	};
+
 	uart0_pins: uart0-pins {
 		pins-rx {
 			pinmux = <PINMUX_GPIO113__FUNC_URXD0>;