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Commit 24a29949 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Rob Herring
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dt-bindings: gpio: pca953x: Document interrupts, update example 



The device can optionally supply an interrupt, hence document that.

Add required GPIO properties to the example (extracted from a patch by
Wolfram Sang).

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent b01dcdd8

Documentation/devicetree/bindings/gpio/gpio-pca953x.txt

+3 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ Required properties: 
 - #interrupt-cells: if to be used as interrupt expander.



Optional properties:

 - interrupts: interrupt specifier for the device's interrupt output.

 - reset-gpios: GPIO specification for the RESET input. This is an

		active low signal to the PCA953x.

 - vcc-supply:	power supply regulator.
@@ -49,6 +50,8 @@ Example: 
		reg = <0x20>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_pca9505>;

		gpio-controller;

		#gpio-cells = <2>;

		interrupt-parent = <&gpio3>;

		interrupts = <23 IRQ_TYPE_LEVEL_LOW>;

	};