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diff --git a/Documentation/devicetree/bindings/gpio/gpio.txt b/Documentation/devicetree/bindings/gpio/gpio.txt
deleted file mode 100644
index 4e16ba4feab..00000000000
--- a/Documentation/devicetree/bindings/gpio/gpio.txt
+++ /dev/null
@@ -1,78 +0,0 @@
-Specifying GPIO information for devices
-============================================
-
-1) gpios property
------------------
-
-Nodes that makes use of GPIOs should specify them using one or more
-properties, each containing a 'gpio-list':
-
-	gpio-list ::= <single-gpio> [gpio-list]
-	single-gpio ::= <gpio-phandle> <gpio-specifier>
-	gpio-phandle : phandle to gpio controller node
-	gpio-specifier : Array of #gpio-cells specifying specific gpio
-			 (controller specific)
-
-GPIO properties should be named "[<name>-]gpios".  Exact
-meaning of each gpios property must be documented in the device tree
-binding for each device.
-
-For example, the following could be used to describe gpios pins to use
-as chip select lines; with chip selects 0, 1 and 3 populated, and chip
-select 2 left empty:
-
-	gpio1: gpio1 {
-		gpio-controller
-		 #gpio-cells = <2>;
-	};
-	gpio2: gpio2 {
-		gpio-controller
-		 #gpio-cells = <1>;
-	};
-	[...]
-	 chipsel-gpios = <&gpio1 12 0>,
-			 <&gpio1 13 0>,
-			 <0>, /* holes are permitted, means no GPIO 2 */
-			 <&gpio2 2>;
-
-Note that gpio-specifier length is controller dependent.  In the
-above example, &gpio1 uses 2 cells to specify a gpio, while &gpio2
-only uses one.
-
-gpio-specifier may encode: bank, pin position inside the bank,
-whether pin is open-drain and whether pin is logically inverted.
-Exact meaning of each specifier cell is controller specific, and must
-be documented in the device tree binding for the device.
-
-Example of the node using GPIOs:
-
-	node {
-		gpios = <&qe_pio_e 18 0>;
-	};
-
-In this example gpio-specifier is "18 0" and encodes GPIO pin number,
-and empty GPIO flags as accepted by the "qe_pio_e" gpio-controller.
-
-2) gpio-controller nodes
-------------------------
-
-Every GPIO controller node must both an empty "gpio-controller"
-property, and have #gpio-cells contain the size of the gpio-specifier.
-
-Example of two SOC GPIO banks defined as gpio-controller nodes:
-
-	qe_pio_a: gpio-controller@1400 {
-		#gpio-cells = <2>;
-		compatible = "fsl,qe-pario-bank-a", "fsl,qe-pario-bank";
-		reg = <0x1400 0x18>;
-		gpio-controller;
-	};
-
-	qe_pio_e: gpio-controller@1460 {
-		#gpio-cells = <2>;
-		compatible = "fsl,qe-pario-bank-e", "fsl,qe-pario-bank";
-		reg = <0x1460 0x18>;
-		gpio-controller;
-	};
-
-