ARM: dts: stm32: Add I2C support for STM32H743 SoC

Add I2C support for STM32H743 SoC
Signed-off-by: NPierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: NAlexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32h743-pinctrl.dtsi

@@ -163,6 +163,16 @@
 				#interrupt-cells = <2>;
 			};
 
+			i2c1_pins_a: i2c1@0 {
+				pins {
+					pinmux = <STM32_PINMUX('B', 6, AF4)>, /* I2C1_SCL */
+						 <STM32_PINMUX('B', 7, AF4)>; /* I2C1_SDA */
+					bias-disable;
+					drive-open-drain;
+					slew-rate = <0>;
+				};
+			};
+
 			usart1_pins: usart1@0 {
 				pins1 {
 					pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */

arch/arm/boot/dts/stm32h743.dtsi

@@ -130,6 +130,42 @@
 			clocks = <&rcc USART2_CK>;
 		};
 
+		i2c1: i2c@40005400 {
+			compatible = "st,stm32f7-i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x40005400 0x400>;
+			interrupts = <31>,
+				     <32>;
+			resets = <&rcc STM32H7_APB1L_RESET(I2C1)>;
+			clocks = <&rcc I2C1_CK>;
+			status = "disabled";
+		};
+
+		i2c2: i2c@40005800 {
+			compatible = "st,stm32f7-i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x40005800 0x400>;
+			interrupts = <33>,
+				     <34>;
+			resets = <&rcc STM32H7_APB1L_RESET(I2C2)>;
+			clocks = <&rcc I2C2_CK>;
+			status = "disabled";
+		};
+
+		i2c3: i2c@40005C00 {
+			compatible = "st,stm32f7-i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x40005C00 0x400>;
+			interrupts = <72>,
+				     <73>;
+			resets = <&rcc STM32H7_APB1L_RESET(I2C3)>;
+			clocks = <&rcc I2C3_CK>;
+			status = "disabled";
+		};
+
 		dac: dac@40007400 {
 			compatible = "st,stm32h7-dac-core";
 			reg = <0x40007400 0x400>;
@@ -323,6 +359,18 @@
 			status = "disabled";
 		};
 
+		i2c4: i2c@58001C00 {
+			compatible = "st,stm32f7-i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x58001C00 0x400>;
+			interrupts = <95>,
+				     <96>;
+			resets = <&rcc STM32H7_APB4_RESET(I2C4)>;
+			clocks = <&rcc I2C4_CK>;
+			status = "disabled";
+		};
+
 		lptimer2: timer@58002400 {
 			#address-cells = <1>;
 			#size-cells = <0>;