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| author | Stefan Agner <stefan.agner@toradex.com> | 2015-07-03 16:37:15 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2015-07-03 16:37:15 +0200 |
| commit | 8ec4532091e414174950dfc564707bd1632108d7 (patch) | |
| tree | fbd58dca7fa34fce0ccc16fff64bc9e0a06add9d /Documentation | |
| parent | f37c466bdd8135a513b6b6f127bbf6c28479b987 (diff) | |
| parent | c2d9ec7ae4ec3b5e66fda9543e1982f39215c657 (diff) | |
Merge branch 'vf500-colibri-ts-v4.1.1' into toradex_vf_4.1-next
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt new file mode 100644 index 000000000000..caad52a2fd8d --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt @@ -0,0 +1,34 @@ +* Toradex Colibri VF50 Touchscreen driver + +Required Properties: +- compatible must be toradex,vf50-touchctrl +- io-channels: adc channels being used by the Colibri VF50 module +- xp-gpios: FET gate driver for input of X+ +- xm-gpios: FET gate driver for input of X- +- yp-gpios: FET gate driver for input of Y+ +- ym-gpios: FET gate driver for input of Y- +- pen-detect-gpios: GPIO for pen detect irq +- pen-pullup-gpios: GPIO for pen pullup +- pinctrl-names: "idle", "default", "gpios" +- pinctrl-0: pinctrl node for idle state gpio pinmux +- pinctrl-1: pinctrl node for touch detection state pinmux +- pinctrl-2: pinctrl node for gpios functioning as FET gate drivers + +Example: + + touchctrl: vf50_touchctrl { + compatible = "toradex,vf50-touchctrl"; + io-channels = <&adc1 0>,<&adc0 0>, + <&adc0 1>,<&adc1 2>; + xp-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; + xm-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; + yp-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>; + ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; + pen-detect-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>; + pen-pullup-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>; + pinctrl-names = "idle","default","gpios"; + pinctrl-0 = <&pinctrl_touchctrl_idle>; + pinctrl-1 = <&pinctrl_touchctrl_default>; + pinctrl-2 = <&pinctrl_touchctrl_gpios>; + status = "disabled"; + }; |