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Commit 49e1f91c authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Linus Walleij
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devicetree: bindings: gpio-davinic: fix documentation 



This patch adds missing #gpio-cells and also adds a
usage example for leds.

Reported-by: default avatarAlexander Holler <holler@ahsoftware.de>
Signed-off-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 758afe42

Documentation/devicetree/bindings/gpio/gpio-davinci.txt

+21 −0
Original line number Diff line number Diff line
@@ -8,6 +8,10 @@ Required Properties: 


- gpio-controller : Marks the device node as a gpio controller.



- #gpio-cells : Should be two.

  - first cell is the pin number

  - second cell is used to specify optional parameters (unused)



- interrupt-parent: phandle of the parent interrupt controller.



- interrupts: Array of GPIO interrupt number. Only banked or unbanked IRQs are
@@ -27,6 +31,7 @@ Example: 
gpio: gpio@1e26000 {

	compatible = "ti,dm6441-gpio";

	gpio-controller;

	#gpio-cells = <2>;

	reg = <0x226000 0x1000>;

	interrupt-parent = <&intc>;

	interrupts = <42 IRQ_TYPE_EDGE_BOTH 43 IRQ_TYPE_EDGE_BOTH
@@ -39,3 +44,19 @@ gpio: gpio@1e26000 { 
	interrupt-controller;

	#interrupt-cells = <2>;

};



leds {

	compatible = "gpio-leds";



	led1 {

		label = "davinci:green:usr1";

		gpios = <&gpio 10 GPIO_ACTIVE_HIGH>;

		...

	};



	led2 {

		label = "davinci:red:debug1";

		gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;

		...

	};

};