[PATCH v4 4/5] ARM: dts: stm32: Add I2C1 support for STM32F746 SoC

[Pierre-Yves MORDRET]

This patch adds I2C1 support for STM32F746 SoC.

Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@xxxxxxxxx>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@xxxxxx>
---
 Version history:
    v4:
    v3:
        * None
    v2:
        * Update I2C SoC device tree with latest Linux version
---
---
 arch/arm/boot/dts/stm32f746.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index 4506eb9..ddd8f2c 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -361,6 +361,16 @@
 					bias-disable;
 				};
 			};
+
+			i2c1_pins_b: i2c1@0 {
+				pins {
+					pinmux = <STM32F746_PB9_FUNC_I2C1_SDA>,
+						 <STM32F746_PB8_FUNC_I2C1_SCL>;
+					bias-disable;
+					drive-open-drain;
+					slew-rate = <0>;
+				};
+			};
 		};
 
 		crc: crc@40023000 {
@@ -380,6 +390,18 @@
 			assigned-clocks = <&rcc 1 CLK_HSE_RTC>;
 			assigned-clock-rates = <1000000>;
 		};
+
+		i2c1: i2c@40005400 {
+			compatible = "st,stm32f7-i2c";
+			reg = <0x40005400 0x400>;
+			interrupts = <31>,
+				     <32>;
+			resets = <&rcc STM32F7_APB1_RESET(I2C1)>;
+			clocks = <&rcc 1 CLK_I2C1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
 	};
 };
 
-- 
2.7.4