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Diffstat (limited to 'Documentation/devicetree/bindings/input/elants_i2c.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/input/elants_i2c.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/elants_i2c.txt b/Documentation/devicetree/bindings/input/elants_i2c.txt new file mode 100644 index 000000000..5edac8be0 --- /dev/null +++ b/Documentation/devicetree/bindings/input/elants_i2c.txt @@ -0,0 +1,34 @@ +Elantech I2C Touchscreen + +Required properties: +- compatible: must be "elan,ekth3500". +- reg: I2C address of the chip. +- interrupts: interrupt to which the chip is connected (see interrupt + binding[0]). + +Optional properties: +- wakeup-source: touchscreen can be used as a wakeup source. +- pinctrl-names: should be "default" (see pinctrl binding [1]). +- pinctrl-0: a phandle pointing to the pin settings for the device (see + pinctrl binding [1]). +- reset-gpios: reset gpio the chip is connected to. +- vcc33-supply: a phandle for the regulator supplying 3.3V power. +- vccio-supply: a phandle for the regulator supplying IO power. + +[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +Example: + &i2c1 { + /* ... */ + + touchscreen@10 { + compatible = "elan,ekth3500"; + reg = <0x10>; + interrupt-parent = <&gpio4>; + interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>; + wakeup-source; + }; + + /* ... */ + }; |