[PATCH v3 8/9] arm64: dts: st: add i2c2/i2c8 pins for stm32mp25

Alain Volmat
2023-12-15T17:12:12Z

Add the i2c2 and i2c8 pins used on STM32MP257F-EV1 board.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
---
arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 36 +++++++++++++++++++
1 file changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
index 66791a974f8f..4194807606ce 100644
--- a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
@@ -6,6 +6,23 @@
#include <dt-bindings/pinctrl/stm32-pinfunc.h>

&pinctrl {
+ i2c2_pins_a: i2c2-0 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 5, AF9)>, /* I2C2_SCL */
+ <STM32_PINMUX('B', 4, AF9)>; /* I2C2_SDA */
+ bias-disable;
+ drive-open-drain;
+ slew-rate = <0>;
+ };
+ };
+
+ i2c2_sleep_pins_a: i2c2-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 5, ANALOG)>, /* I2C2_SCL */
+ <STM32_PINMUX('B', 4, ANALOG)>; /* I2C2_SDA */
+ };
+ };
+
sdmmc1_b4_pins_a: sdmmc1-b4-0 {
pins1 {
pinmux = <STM32_PINMUX('E', 4, AF10)>, /* SDMMC1_D0 */
@@ -90,3 +107,22 @@ pins {
};
};
};
+
+&pinctrl_z {
+ i2c8_pins_a: i2c8-0 {
+ pins {
+ pinmux = <STM32_PINMUX('Z', 4, AF8)>, /* I2C8_SCL */
+ <STM32_PINMUX('Z', 3, AF8)>; /* I2C8_SDA */
+ bias-disable;
+ drive-open-drain;
+ slew-rate = <0>;
+ };
+ };
+
+ i2c8_sleep_pins_a: i2c8-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('Z', 4, ANALOG)>, /* I2C8_SCL */
+ <STM32_PINMUX('Z', 3, ANALOG)>; /* I2C8_SDA */
+ };
+ };
+};
--
2.25.1