fdts: stm32mp1: update for FMC2 pin muxing

Include the required FMC2 pinmux definition for the
NAND management.

Change-Id: I80333deacdf3444b2f21f17f2fb5919e569a3591
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>

fdts/stm32mp157-pinctrl.dtsi

 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
+ * Copyright (C) STMicroelectronics 2017-2019 - All Rights Reserved
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 #include <dt-bindings/pinctrl/stm32-pinfunc.h>
@@ -135,6 +135,31 @@
 				status = "disabled";
 			};
 
+			fmc_pins_a: fmc-0 {
+				pins1 {
+					pinmux = <STM32_PINMUX('D', 4, AF12)>, /* FMC_NOE */
+						 <STM32_PINMUX('D', 5, AF12)>, /* FMC_NWE */
+						 <STM32_PINMUX('D', 11, AF12)>, /* FMC_A16_FMC_CLE */
+						 <STM32_PINMUX('D', 12, AF12)>, /* FMC_A17_FMC_ALE */
+						 <STM32_PINMUX('D', 14, AF12)>, /* FMC_D0 */
+						 <STM32_PINMUX('D', 15, AF12)>, /* FMC_D1 */
+						 <STM32_PINMUX('D', 0, AF12)>, /* FMC_D2 */
+						 <STM32_PINMUX('D', 1, AF12)>, /* FMC_D3 */
+						 <STM32_PINMUX('E', 7, AF12)>, /* FMC_D4 */
+						 <STM32_PINMUX('E', 8, AF12)>, /* FMC_D5 */
+						 <STM32_PINMUX('E', 9, AF12)>, /* FMC_D6 */
+						 <STM32_PINMUX('E', 10, AF12)>, /* FMC_D7 */
+						 <STM32_PINMUX('G', 9, AF12)>; /* FMC_NE2_FMC_NCE */
+					bias-disable;
+					drive-push-pull;
+					slew-rate = <1>;
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('D', 6, AF12)>; /* FMC_NWAIT */
+					bias-pull-up;
+				};
+			};
+
 			qspi_bk1_pins_a: qspi-bk1-0 {
 				pins1 {
 					pinmux = <STM32_PINMUX('F', 8, AF10)>, /* QSPI_BK1_IO0 */

fdts/stm32mp157c-ev1.dts

 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
+ * Copyright (C) STMicroelectronics 2017-2019 - All Rights Reserved
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 /dts-v1/;
@@ -21,15 +21,14 @@
 };
 
 &fmc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&fmc_pins_a>;
 	status = "okay";
 	#address-cells = <1>;
 	#size-cells = <0>;
 
 	nand: nand@0 {
 		reg = <0>;
-		nand-on-flash-bbt;
-		#address-cells = <1>;
-		#size-cells = <1>;
 	};
 };