Thread (6 messages) 6 messages, 1 author, 2016-12-07
STALE3462d
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[PATCH v4 3/5] ARM: dts: Add I2C1 support for STM32F429 SoC

From: M'boumba Cedric Madianga <hidden>
Date: 2016-12-07 16:51:57
Also in: linux-devicetree, linux-i2c, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

Signed-off-by: Patrice Chotard <redacted>
Signed-off-by: M'boumba Cedric Madianga <redacted>
---
 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 at 0 {
+				pins1 {
+					pinmux = <STM32F429_PB9_FUNC_I2C1_SDA>;
+					drive-open-drain;
+				};
+				pins2 {
+					pinmux = <STM32F429_PB6_FUNC_I2C1_SCL>;
+				};
+			};
 		};
 
 		rcc: rcc at 40023810 {
@@ -409,6 +420,18 @@
 			interrupts = <80>;
 			clocks = <&rcc 0 38>;
 		};
+
+		i2c1: i2c at 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
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