Add a devicetree binding documentation for the pca953x driver.
Signed-off-by: Markus Pargmann <[email protected]>
---
.../devicetree/bindings/gpio/gpio-pca953x.txt | 39 ++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
b/Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
new file mode 100644
index 000000000000..b9a42f294dd0
--- /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>;
+ };
--
2.0.1
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