[PATCH 1/2] ARM: dts: stm32: add pin map for i2c3 controller on stm32f7

Dario Binacchi dario.binacchi at amarulasolutions.com
Tue Jul 4 10:34:06 PDT 2023


Add pin configurations for using i2c3 controller on stm32f7.

Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
---

 arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
index 9f65403295ca..c8dfda7bd04f 100644
--- a/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
@@ -171,6 +171,16 @@ pins {
 				};
 			};
 
+			i2c3_pins_a: i2c3-0 {
+				pins {
+					pinmux = <STM32_PINMUX('H', 8, AF4)>, /* I2C3_SDA */
+						 <STM32_PINMUX('H', 7, AF4)>; /* I2C3_SCL */
+					bias-disable;
+					drive-open-drain;
+					slew-rate = <0>;
+				};
+			};
+
 			usbotg_hs_pins_a: usbotg-hs-0 {
 				pins {
 					pinmux = <STM32_PINMUX('H', 4, AF10)>, /* OTG_HS_ULPI_NXT */
-- 
2.32.0




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