diff --git a/arch/arm/dts/stm32mp157-pinctrl.dtsi b/arch/arm/dts/stm32mp157-pinctrl.dtsi
index 0d53396119..07cd0809ff 100644
--- a/arch/arm/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/dts/stm32mp157-pinctrl.dtsi
@@ -622,13 +622,13 @@
 						 <STM32_PINMUX('F', 6, AF9)>; /* QSPI_BK1_IO3 */
 					bias-disable;
 					drive-push-pull;
-					slew-rate = <3>;
+					slew-rate = <1>;
 				};
 				pins2 {
 					pinmux = <STM32_PINMUX('B', 6, AF10)>; /* QSPI_BK1_NCS */
 					bias-pull-up;
 					drive-push-pull;
-					slew-rate = <3>;
+					slew-rate = <1>;
 				};
 			};
 
@@ -650,13 +650,13 @@
 						 <STM32_PINMUX('G', 7, AF11)>; /* QSPI_BK2_IO3 */
 					bias-disable;
 					drive-push-pull;
-					slew-rate = <3>;
+					slew-rate = <1>;
 				};
 				pins2 {
 					pinmux = <STM32_PINMUX('C', 0, AF10)>; /* QSPI_BK2_NCS */
 					bias-pull-up;
 					drive-push-pull;
-					slew-rate = <3>;
+					slew-rate = <1>;
 				};
 			};
 
diff --git a/arch/arm/dts/stm32mp157c-ev1.dts b/arch/arm/dts/stm32mp157c-ev1.dts
index 89d29b50c3..aa5892b156 100644
--- a/arch/arm/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/dts/stm32mp157c-ev1.dts
@@ -189,8 +189,8 @@
 		clocks = <&clk_ext_camera>;
 		clock-names = "xclk";
 		DOVDD-supply = <&v2v8>;
-		powerdown-gpios = <&stmfx_pinctrl 18 GPIO_ACTIVE_HIGH>;
-		reset-gpios = <&stmfx_pinctrl 19 GPIO_ACTIVE_LOW>;
+		powerdown-gpios = <&stmfx_pinctrl 18 (GPIO_ACTIVE_HIGH | GPIO_PUSH_PULL)>;
+		reset-gpios = <&stmfx_pinctrl 19 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
 		rotation = <180>;
 		status = "okay";
 
@@ -223,7 +223,6 @@
 
 			joystick_pins: joystick {
 				pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4";
-				drive-push-pull;
 				bias-pull-down;
 			};
 
diff --git a/arch/arm/dts/stm32mp157c.dtsi b/arch/arm/dts/stm32mp157c.dtsi
index 41aea75213..28a7e4c08a 100644
--- a/arch/arm/dts/stm32mp157c.dtsi
+++ b/arch/arm/dts/stm32mp157c.dtsi
@@ -939,7 +939,7 @@
 			interrupt-names = "int0", "int1";
 			clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
 			clock-names = "hclk", "cclk";
-			bosch,mram-cfg = <0x1400 0 0 32 0 0 2 2>;
+			bosch,mram-cfg = <0x0 0 0 32 0 0 2 2>;
 			status = "disabled";
 		};
 
@@ -952,7 +952,7 @@
 			interrupt-names = "int0", "int1";
 			clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
 			clock-names = "hclk", "cclk";
-			bosch,mram-cfg = <0x0 0 0 32 0 0 2 2>;
+			bosch,mram-cfg = <0x1400 0 0 32 0 0 2 2>;
 			status = "disabled";
 		};
 
diff --git a/doc/device-tree-bindings/mtd/stm32-fmc2-nand.txt b/doc/device-tree-bindings/mtd/stm32-fmc2-nand.txt
index 70e76be2a3..ad2bef8265 100644
--- a/doc/device-tree-bindings/mtd/stm32-fmc2-nand.txt
+++ b/doc/device-tree-bindings/mtd/stm32-fmc2-nand.txt
@@ -18,8 +18,10 @@ Optional properties:
 - dmas: DMA specifiers (see: dma/stm32-mdma.txt)
 - dma-names: Must be "tx", "rx" and "ecc"
 
-Optional children nodes:
-Children nodes represent the available NAND chips.
+* NAND device bindings:
+
+Required properties:
+- reg: describes the CS lines assigned to the NAND device.
 
 Optional properties:
 - nand-on-flash-bbt: see nand.txt