[PATCH v3 2/4] ARM: dts: stm32: Add pin map for I2C3 controller on stm32f4

[dillon . minfei]

From: dillon min <dillon.min...@gmail.com>

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

Signed-off-by: dillon min <dillon.min...@gmail.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 392fa14..051f336 100644
--- a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
@@ -316,6 +316,18 @@
                                };
                        };
 
+                       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