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authorMarkus Pargmann <mpa@pengutronix.de>2014-07-29 09:24:44 +0200
committerLinus Walleij <linus.walleij@linaro.org>2014-08-28 14:19:40 +0200
commite8126753a9a5896ed50c9d9bf66fa46f0f1982a6 (patch)
treee95bc5779609623bc822239c1c590d50e472bddb
parent4bb93349d9d001f565aafe2a1890cbb6e4476b58 (diff)
downloadop-kernel-dev-e8126753a9a5896ed50c9d9bf66fa46f0f1982a6.zip
op-kernel-dev-e8126753a9a5896ed50c9d9bf66fa46f0f1982a6.tar.gz
gpio: pca953x: Add DT binding documentation
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>
-rw-r--r--Documentation/devicetree/bindings/gpio/gpio-pca953x.txt39
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
new file mode 100644
index 0000000..b9a42f2
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
@@ -0,0 +1,39 @@
+* 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>;
+ };
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