Subject: [PATCH v2 08/15] arm64: dts: st: add sai1 pins for stm32mp25

From: Dario Binacchi <[email-masked]>
Date: Fri, 29 May 2026 16:46:22 +0200

Add the sai1 pins used on MicroGEA-STM32MP257-RMM board.

Signed-off-by: Dario Binacchi <[email-masked]>
---

(no changes since v1)

 arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
index eab8ebe71660..ab1e62cf2bfc 100644
--- a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
@@ -520,6 +520,51 @@ pins {
 		};
 	};
 
+	/omit-if-no-ref/
+	sai1a_pins_a: sai1a-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('D', 9, AF3)>, /* SAI1_SD_A */
+				 <STM32_PINMUX('D', 8, AF3)>, /* SAI1_FS_A */
+				 <STM32_PINMUX('D', 10, AF3)>; /* SAI1_SCK_A */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <1>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('D', 11, AF3)>; /* SAI1_MCLK_A */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <2>;
+		};
+	};
+
+	/omit-if-no-ref/
+	sai1a_sleep_pins_a: sai1a-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('D', 9, ANALOG)>, /* SAI1_SD_A */
+				 <STM32_PINMUX('D', 8, ANALOG)>, /* SAI1_FS_A */
+				 <STM32_PINMUX('D', 10, ANALOG)>, /* SAI1_SCK_A */
+				 <STM32_PINMUX('D', 11, ANALOG)>; /* SAI1_MCLK_A */
+		};
+	};
+
+	/omit-if-no-ref/
+	sai1b_pins_a: sai1b-0 {
+		pins {
+			pinmux = <STM32_PINMUX('D', 4, AF4)>; /* SAI1_SD_B */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+	};
+
+	/omit-if-no-ref/
+	sai1b_sleep_pins_a: sai1b-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('D', 4, ANALOG)>; /* SAI1_SD_B */
+		};
+	};
+
 	/omit-if-no-ref/
 	sdmmc1_b4_pins_a: sdmmc1-b4-0 {
 		pins1 {
-- 
2.43.0