From a3d208bf04c45ea64b1fd72fd643bb83745d7883 Mon Sep 17 00:00:00 2001
From: Alain Volmat <alain.volmat@foss.st.com>
Date: Fri, 15 Dec 2023 18:06:12 +0100
Subject: [PATCH] arm64: dts: st: add i2c2/i2c8 pins for stm32mp25

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

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@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 @@
 		};
 	};
 };
+
+&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 */
+		};
+	};
+};