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dt-bindings: Add dt binding for NT36xxx driver

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Add device tree binding document for new touch driver.

Change-Id: Ib45cabd7b2de3d094dc6832a9aff66520b033aaa
This commit is contained in:
Fei Mao 2020-02-12 11:04:02 +08:00 • committed by Gerrit - the friendly Code Review server
commit 84fdc29d74
1 changed files with 32 additions and 0 deletions
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32
bindings/input/touchscreen/novatek_nt36xxx.txt Normal file
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* Novatek nt36xxx touch controller
Please add this description here: The Novatek Touch controller is connected to the
host processor via I2C. The controller generates interrupts when the user touches
the panel. The host controller is expected to read the touch coordinates over I2C and
pass the coordinates to the rest of the system.
Required properties:
- compatible : should be "novatek,NVT-ts"
- reg : i2c slave address of the device.
- vdd-supply : digital voltage power supply needed to power device.
- avdd-supply : analog voltage power supply needed to power device.
- novatek,reset-gpio : reset gpio.
- novatek,irq-gpio : irq gpio.
Example:
&i2c_1 {
status = "ok";
/* Novatek device tree node */
novatek@62 {
compatible = "novatek,NVT-ts";
reg = <0x62>;
status = "ok";
vdd-supply = <&pm8994_lvs2>;
avdd-supply = <&pm8994_l22>;
novatek,reset-gpio = <&msm_gpio 102 0x00>;
novatek,irq-gpio = <&msm_gpio 65 0x2001>;
};
};