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

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Message-Id: <1489744738-21632-5-git-send-email-cedric.madianga@gmail.com>
Date:   Fri, 17 Mar 2017 10:58:57 +0100
From:   M'boumba Cedric Madianga <cedric.madianga@...il.com>
To:     wsa@...-dreams.de, robh+dt@...nel.org, mcoquelin.stm32@...il.com,
        alexandre.torgue@...com, linus.walleij@...aro.org,
        pierre-yves.mordret@...com, linux@...linux.org.uk,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     M'boumba Cedric Madianga <cedric.madianga@...il.com>
Subject: [PATCH 4/5] ARM: dts: stm32: Add I2C1 support for STM32F746 SoC

This patch adds I2C1 support for STM32F746 SoC.

Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@...il.com>
---
 arch/arm/boot/dts/stm32f746.dtsi | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index f321ffe..89d3897 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -287,6 +287,29 @@
 					bias-disable;
 				};
 			};
+
+			i2c1_pins_b: i2c1@0 {
+				pins {
+					pinmux = <STM32F746_PB9_FUNC_I2C1_SDA>,
+						 <STM32F746_PB6_FUNC_I2C1_SCL>;
+					bias-disable;
+					drive-open-drain;
+					slew-rate = <3>;
+				};
+			};
+		};
+
+		i2c1: i2c@...05400 {
+			compatible = "st,stm32f7-i2c";
+			reg = <0x40005400 0x400>;
+			interrupts = <31>,
+				     <32>;
+			resets = <&rcc 149>;
+			clocks = <&rcc 0 405>;
+			st,i2c-timing = <0x40202537>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
 		};
 
 		rcc: rcc@...23800 {
-- 
1.9.1