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diff --git a/Documentation/devicetree/bindings/gpio/gpio-xgene-sb.txt b/Documentation/devicetree/bindings/gpio/gpio-xgene-sb.txt
deleted file mode 100644
index 7ddf292db144..000000000000
--- a/Documentation/devicetree/bindings/gpio/gpio-xgene-sb.txt
+++ /dev/null
@@ -1,64 +0,0 @@
-APM X-Gene Standby GPIO controller bindings
-
-This is a gpio controller in the standby domain. It also supports interrupt in
-some particular pins which are sourced to its parent interrupt controller
-as diagram below:
-                            +-----------------+
-                            | X-Gene standby  |
-                            | GPIO controller +------ GPIO_0
-+------------+              |                 | ...
-| Parent IRQ | EXT_INT_0    |                 +------ GPIO_8/EXT_INT_0
-| controller | (SPI40)      |                 | ...
-| (GICv2)    +--------------+                 +------ GPIO_[N+8]/EXT_INT_N
-|            |   ...        |                 |
-|            | EXT_INT_N    |                 +------ GPIO_[N+9]
-|            | (SPI[40 + N])|                 | ...
-|            +--------------+                 +------ GPIO_MAX
-+------------+              +-----------------+
-
-Required properties:
-- compatible: "apm,xgene-gpio-sb" for the X-Gene Standby GPIO controller
-- reg: Physical base address and size of the controller's registers
-- #gpio-cells: Should be two.
-	- first cell is the pin number
-	- second cell is used to specify the gpio polarity:
-		0 = active high
-		1 = active low
-- gpio-controller: Marks the device node as a GPIO controller.
-- interrupts: The EXT_INT_0 parent interrupt resource must be listed first.
-- interrupt-cells: Should be two.
-       - first cell is 0-N corresponding for EXT_INT_0 to EXT_INT_N.
-       - second cell is used to specify flags.
-- interrupt-controller: Marks the device node as an interrupt controller.
-- apm,nr-gpios: Optional, specify number of gpios pin.
-- apm,nr-irqs: Optional, specify number of interrupt pins.
-- apm,irq-start: Optional, specify lowest gpio pin support interrupt.
-
-Example:
-	sbgpio: gpio@17001000{
-		compatible = "apm,xgene-gpio-sb";
-		reg = <0x0 0x17001000 0x0 0x400>;
-		#gpio-cells = <2>;
-		gpio-controller;
-		interrupts = 	<0x0 0x28 0x1>,
-				<0x0 0x29 0x1>,
-				<0x0 0x2a 0x1>,
-				<0x0 0x2b 0x1>,
-				<0x0 0x2c 0x1>,
-				<0x0 0x2d 0x1>;
-		interrupt-parent = <&gic>;
-		#interrupt-cells = <2>;
-		interrupt-controller;
-		apm,nr-gpios = <22>;
-		apm,nr-irqs = <6>;
-		apm,irq-start = <8>;
-	};
-
-	testuser {
-		compatible = "example,testuser";
-		/* Use the GPIO_13/EXT_INT_5 line as an active high triggered
-		 * level interrupt
-		 */
-		interrupts = <5 4>;
-		interrupt-parent = <&sbgpio>;
-	};