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diff --git a/Documentation/devicetree/bindings/sound/fsl,micfil.txt b/Documentation/devicetree/bindings/sound/fsl,micfil.txt
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--- a/Documentation/devicetree/bindings/sound/fsl,micfil.txt
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@@ -1,33 +0,0 @@
-NXP MICFIL Digital Audio Interface (MICFIL).
-
-The MICFIL digital interface provides a 16-bit audio signal from a PDM
-microphone bitstream in a configurable output sampling rate.
-
-Required properties:
-
-  - compatible		: Compatible list, contains "fsl,imx8mm-micfil"
-			  or "fsl,imx8mp-micfil"
-
-  - reg			: Offset and length of the register set for the device.
-
-  - interrupts		: Contains the micfil interrupts.
-
-  - clocks		: Must contain an entry for each entry in clock-names.
-
-  - clock-names		: Must include the "ipg_clk" for register access and
-			  "ipg_clk_app" for internal micfil clock.
-
-  - dmas		: Generic dma devicetree binding as described in
-			  Documentation/devicetree/bindings/dma/dma.txt.
-
-Example:
-micfil: micfil@30080000 {
-	compatible = "fsl,imx8mm-micfil";
-	reg = <0x0 0x30080000 0x0 0x10000>;
-	interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
-		     <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
-	clocks = <&clk IMX8MM_CLK_PDM_IPG>,
-		 <&clk IMX8MM_CLK_PDM_ROOT>;
-	clock-names = "ipg_clk", "ipg_clk_app";
-	dmas = <&sdma2 24 26 0x80000000>;
-};