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| author | Duson Lin <dusonlin@emc.com.tw> | 2014-10-03 13:24:27 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-10-24 13:54:24 -0700 |
| commit | 6696777c6506fa52b2a0282121195843ed855be6 (patch) | |
| tree | 884054a61197a1a5cafaf06002e2ba38619ab1b3 /Documentation/devicetree | |
| parent | dae7aa8d849615134a11704cbd37fb45a22bd316 (diff) | |
| download | op-kernel-dev-6696777c6506fa52b2a0282121195843ed855be6.zip op-kernel-dev-6696777c6506fa52b2a0282121195843ed855be6.tar.gz | |
Input: add driver for Elan I2C/SMbus touchpad
This driver supports Elan I2C/SMbus touchpads found in some laptops and
also in many Chromebooks.
Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/input/elan_i2c.txt | 34 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/vendor-prefixes.txt | 1 |
2 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/elan_i2c.txt b/Documentation/devicetree/bindings/input/elan_i2c.txt new file mode 100644 index 0000000..ee3242c --- /dev/null +++ b/Documentation/devicetree/bindings/input/elan_i2c.txt @@ -0,0 +1,34 @@ +Elantech I2C Touchpad + +Required properties: +- compatible: must be "elan,ekth3000". +- reg: I2C address of the chip. +- interrupt-parent: a phandle for the interrupt controller (see interrupt + binding[0]). +- interrupts: interrupt to which the chip is connected (see interrupt + binding[0]). + +Optional properties: +- wakeup-source: touchpad 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]). +- vcc-supply: a phandle for the regulator supplying 3.3V power. + +[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +Example: + &i2c1 { + /* ... */ + + touchpad@15 { + compatible = "elan,ekth3000"; + reg = <0x15>; + interrupt-parent = <&gpio4>; + interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>; + wakeup-source; + }; + + /* ... */ + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index ac7269f..e6469ec 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -42,6 +42,7 @@ dlink D-Link Corporation dmo Data Modul AG ebv EBV Elektronik edt Emerging Display Technologies +elan Elan Microelectronic Corp. emmicro EM Microelectronic epcos EPCOS AG epfl Ecole Polytechnique Fédérale de Lausanne |
