feat(stm32mp2-fdts): add sdmmc pins definition

Add the pins nodes for SD-card or eMMC. Those pins are used on
STM32MP257F-EV1 board.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I96fe8210502b073bc222a70453bee1863a257c7b
diff --git a/fdts/stm32mp25-pinctrl.dtsi b/fdts/stm32mp25-pinctrl.dtsi
index 05876a3..fb12808 100644
--- a/fdts/stm32mp25-pinctrl.dtsi
+++ b/fdts/stm32mp25-pinctrl.dtsi
@@ -1,12 +1,65 @@
 // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
 /*
- * Copyright (C) 2023, STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2023-2024, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
  */
 #include <dt-bindings/pinctrl/stm32-pinfunc.h>
 
 &pinctrl {
 	/omit-if-no-ref/
+	sdmmc1_b4_pins_a: sdmmc1-b4-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('E', 4, AF10)>, /* SDMMC1_D0 */
+				 <STM32_PINMUX('E', 5, AF10)>, /* SDMMC1_D1 */
+				 <STM32_PINMUX('E', 0, AF10)>, /* SDMMC1_D2 */
+				 <STM32_PINMUX('E', 1, AF10)>, /* SDMMC1_D3 */
+				 <STM32_PINMUX('E', 2, AF10)>; /* SDMMC1_CMD */
+			slew-rate = <2>;
+			drive-push-pull;
+			bias-disable;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('E', 3, AF10)>; /* SDMMC1_CK */
+			slew-rate = <3>;
+			drive-push-pull;
+			bias-disable;
+		};
+	};
+
+	/omit-if-no-ref/
+	sdmmc2_b4_pins_a: sdmmc2-b4-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('E', 13, AF12)>, /* SDMMC2_D0 */
+				 <STM32_PINMUX('E', 11, AF12)>, /* SDMMC2_D1 */
+				 <STM32_PINMUX('E', 8, AF12)>, /* SDMMC2_D2 */
+				 <STM32_PINMUX('E', 12, AF12)>, /* SDMMC2_D3 */
+				 <STM32_PINMUX('E', 15, AF12)>; /* SDMMC2_CMD */
+			slew-rate = <2>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('E', 14, AF12)>; /* SDMMC2_CK */
+			slew-rate = <3>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+	};
+
+	/omit-if-no-ref/
+	sdmmc2_d47_pins_a: sdmmc2-d47-0 {
+		pins {
+			pinmux = <STM32_PINMUX('E', 10, AF12)>, /* SDMMC2_D4 */
+				 <STM32_PINMUX('E', 9, AF12)>, /* SDMMC2_D5 */
+				 <STM32_PINMUX('E', 6, AF12)>, /* SDMMC2_D6 */
+				 <STM32_PINMUX('E', 7, AF12)>; /* SDMMC2_D7 */
+			slew-rate = <2>;
+			drive-push-pull;
+			bias-pull-up;
+		};
+	};
+
+	/omit-if-no-ref/
 	usart2_pins_a: usart2-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('A', 4, AF6)>; /* USART2_TX */