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diff --git a/doc/device-tree-bindings/mtd/stm32-fmc2-nand.txt b/doc/device-tree-bindings/mtd/stm32-fmc2-nand.txt
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--- a/doc/device-tree-bindings/mtd/stm32-fmc2-nand.txt
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-STMicroelectronics Flexible Memory Controller 2 (FMC2)
-NAND Interface
-
-Required properties:
-- compatible: Should be one of:
-              * st,stm32mp15-fmc2
-- reg: NAND flash controller memory areas.
-       First region contains the register location.
-       Regions 2 to 4 respectively contain the data, command,
-       and address space for CS0.
-       Regions 5 to 7 contain the same areas for CS1.
-- interrupts: The interrupt number
-- pinctrl-0: Standard Pinctrl phandle (see: pinctrl/pinctrl-bindings.txt)
-- clocks: The clock needed by the NAND flash controller
-
-Optional properties:
-- resets: Reference to a reset controller asserting the FMC controller
-- dmas: DMA specifiers (see: dma/stm32-mdma.txt)
-- dma-names: Must be "tx", "rx" and "ecc"
-
-* NAND device bindings:
-
-Required properties:
-- reg: describes the CS lines assigned to the NAND device.
-
-Optional properties:
-- nand-on-flash-bbt: see nand.txt
-- nand-ecc-strength: see nand.txt
-- nand-ecc-step-size: see nand.txt
-
-The following ECC strength and step size are currently supported:
- - nand-ecc-strength = <1>, nand-ecc-step-size = <512> (Hamming)
- - nand-ecc-strength = <4>, nand-ecc-step-size = <512> (BCH4)
- - nand-ecc-strength = <8>, nand-ecc-step-size = <512> (BCH8) (default)
-
-Example:
-
-	fmc: nand-controller@58002000 {
-		compatible = "st,stm32mp15-fmc2";
-		reg = <0x58002000 0x1000>,
-		      <0x80000000 0x1000>,
-		      <0x88010000 0x1000>,
-		      <0x88020000 0x1000>,
-		      <0x81000000 0x1000>,
-		      <0x89010000 0x1000>,
-		      <0x89020000 0x1000>;
-		interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&rcc FMC_K>;
-		resets = <&rcc FMC_R>;
-		pinctrl-names = "default";
-		pinctrl-0 = <&fmc_pins_a>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		nand@0 {
-			reg = <0>;
-			nand-on-flash-bbt;
-			#address-cells = <1>;
-			#size-cells = <1>;
-		};
-	};