Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1537903 > unrolled thread

[PATCH v4 3/5] ARM: dts: Add I2C1 support for STM32F429 SoC

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  [PATCH v4 3/5] ARM: dts: Add I2C1 support for STM32F429 SoC M'boumba Cedric Madianga <cedric.madianga@gmail.com> - 2016-12-07 18:00 +0100

#1537903 — [PATCH v4 3/5] ARM: dts: Add I2C1 support for STM32F429 SoC

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
---
 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 7de52ee..cbdece7 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 {
@@ -337,6 +338,16 @@
 					slew-rate = <2>;
 				};
 			};
+
+			i2c1_pins_b: i2c1@0 {
+				pins1 {
+					pinmux = <STM32F429_PB9_FUNC_I2C1_SDA>;
+					drive-open-drain;
+				};
+				pins2 {
+					pinmux = <STM32F429_PB6_FUNC_I2C1_SCL>;
+				};
+			};
 		};
 
 		rcc: rcc@40023810 {
@@ -409,6 +420,18 @@
 			interrupts = <80>;
 			clocks = <&rcc 0 38>;
 		};
+
+		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";
+		};
 	};
 };
 
-- 
1.9.1

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web