[PATCH v8 3/5] ARM: dts: stm32: Add I2C1 support for STM32F429 SoC

From: M'boumba Cedric Madianga
Date: Thu Jan 05 2017 - 04:09:13 EST


This patch adds I2C1 support for STM32F429 SoC

Signed-off-by: Patrice Chotard <patrice.chotard@xxxxxx>
Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@xxxxxxxxx>
---
arch/arm/boot/dts/stm32f429.dtsi | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index e4dae0e..5b063e9 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -48,6 +48,7 @@
#include "skeleton.dtsi"
#include "armv7-m.dtsi"
#include <dt-bindings/pinctrl/stm32f429-pinfunc.h>
+#include <dt-bindings/mfd/stm32f4-rcc.h>

/ {
clocks {
@@ -153,6 +154,18 @@
status = "disabled";
};

+ i2c1: i2c@40005400 {
+ compatible = "st,stm32f4-i2c";
+ reg = <0x40005400 0x400>;
+ interrupts = <31>,
+ <32>;
+ resets = <&rcc STM32F4_APB1_RESET(I2C1)>;
+ clocks = <&rcc 0 STM32F4_APB1_CLOCK(I2C1)>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
usart7: serial@40007800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40007800 0x400>;
@@ -355,6 +368,16 @@
slew-rate = <2>;
};
};
+
+ i2c1_pins_b: i2c1@0 {
+ pins {
+ pinmux = <STM32F429_PB9_FUNC_I2C1_SDA>,
+ <STM32F429_PB6_FUNC_I2C1_SCL>;
+ bias-disable;
+ drive-open-drain;
+ slew-rate = <3>;
+ };
+ };
};

rcc: rcc@40023810 {
--
1.9.1