From 7268a782a19d7ab3c146fd39026ee0d4a933866a Mon Sep 17 00:00:00 2001
From: Alain Volmat <alain.volmat@foss.st.com>
Date: Tue, 24 Feb 2026 16:48:09 +0100
Subject: [PATCH] arm64: dts: st: add i2c2 pinmux nodes in
 stm32mp25-pinctrl.dtsi

Add a 2nd set of i2c2 pinmux nodes (i2c2_pins_b/i2c2_sleep_pins_b)
in stm32mp25-pinctrl.dtsi in order to be used on the stm32mp257f-dk

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20260224-stm32-i2c-dt-updates-v1-6-347cf6fca7d1@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---
 arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
index c34cd33cd855..2f853f3fae6d 100644
--- a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
@@ -212,6 +212,23 @@ pins {
 		};
 	};
 
+	i2c2_pins_b: i2c2-1 {
+		pins {
+			pinmux = <STM32_PINMUX('F', 2, AF9)>, /* I2C2_SCL */
+				 <STM32_PINMUX('F', 0, AF9)>; /* I2C2_SDA */
+			bias-disable;
+			drive-open-drain;
+			slew-rate = <0>;
+		};
+	};
+
+	i2c2_sleep_pins_b: i2c2-sleep-1 {
+		pins {
+			pinmux = <STM32_PINMUX('F', 2, ANALOG)>, /* I2C2_SCL */
+				 <STM32_PINMUX('F', 0, ANALOG)>; /* I2C2_SDA */
+		};
+	};
+
 	ospi_port1_clk_pins_a: ospi-port1-clk-0 {
 		pins {
 			pinmux = <STM32_PINMUX('D', 0, AF10)>; /* OSPI1_CLK */