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gpio: pca953x: Add DT binding documentation

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Add a devicetree binding documentation for the pca953x driver.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Markus Pargmann 2014-07-29 09:24:44 +02:00 committed by Linus Walleij
parent 4bb93349d9
commit e8126753a9
1 changed files with 39 additions and 0 deletions
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Documentation/devicetree/bindings/gpio/gpio-pca953x.txt Normal file
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* NXP PCA953x I2C GPIO multiplexer
Required properties:
- compatible: Has to contain one of the following:
nxp,pca9505
nxp,pca9534
nxp,pca9535
nxp,pca9536
nxp,pca9537
nxp,pca9538
nxp,pca9539
nxp,pca9554
nxp,pca9555
nxp,pca9556
nxp,pca9557
nxp,pca9574
nxp,pca9575
nxp,pca9698
maxim,max7310
maxim,max7312
maxim,max7313
maxim,max7315
ti,pca6107
ti,tca6408
ti,tca6416
ti,tca6424
exar,xra1202
Example:
gpio@20 {
compatible = "nxp,pca9505";
reg = <0x20>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pca9505>;
interrupt-parent = <&gpio3>;
interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
};