From 4409aeae98a297f30fc64a8dd1cd6f9ac8cbdb41 Mon Sep 17 00:00:00 2001
From: dillon min <dillon.minfei@gmail.com>
Date: Tue, 9 Jun 2020 21:26:41 +0800
Subject: [PATCH] ARM: dts: stm32: Add pin map for I2C3 controller on stm32f4

This patch adds the pin configuration for I2C3 controller on
stm32f4.

Signed-off-by: dillon min <dillon.minfei@gmail.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---
 arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
index 373ec8d..35249a2 100644
--- a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
@@ -383,6 +383,18 @@
 				};
 			};
 
+			i2c3_pins: i2c3-0 {
+				pins {
+					pinmux = <STM32_PINMUX('C', 9, AF4)>,
+						/* I2C3_SDA */
+						 <STM32_PINMUX('A', 8, AF4)>;
+						/* I2C3_SCL */
+					bias-disable;
+					drive-open-drain;
+					slew-rate = <3>;
+				};
+			};
+
 			dcmi_pins: dcmi-0 {
 				pins {
 					pinmux = <STM32_PINMUX('A', 4, AF13)>, /* DCMI_HSYNC */
-- 
2.7.4