This patch adds I2C1 support for STM32F746 SoC.

Signed-off-by: M'boumba Cedric Madianga <cedric.madia...@gmail.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mord...@st.com>
---
 Version history:
    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 c2765ce..b00b96b 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -326,6 +326,16 @@
                                        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 {
@@ -344,6 +354,18 @@
                        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

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