diff options
Diffstat (limited to 'Bindings/input/touchscreen/goodix.txt')
| -rw-r--r-- | Bindings/input/touchscreen/goodix.txt | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Bindings/input/touchscreen/goodix.txt b/Bindings/input/touchscreen/goodix.txt new file mode 100644 index 000000000000..c98757a69110 --- /dev/null +++ b/Bindings/input/touchscreen/goodix.txt @@ -0,0 +1,43 @@ +Device tree bindings for Goodix GT9xx series touchscreen controller + +Required properties: + + - compatible : Should be "goodix,gt911" + or "goodix,gt9110" + or "goodix,gt912" + or "goodix,gt927" + or "goodix,gt9271" + or "goodix,gt928" + or "goodix,gt967" + - reg : I2C address of the chip. Should be 0x5d or 0x14 + - interrupt-parent : Interrupt controller to which the chip is connected + - interrupts : Interrupt to which the chip is connected + +Optional properties: + + - irq-gpios : GPIO pin used for IRQ. The driver uses the + interrupt gpio pin as output to reset the device. + - reset-gpios : GPIO pin used for reset + + - touchscreen-inverted-x : X axis is inverted (boolean) + - touchscreen-inverted-y : Y axis is inverted (boolean) + - touchscreen-swapped-x-y : X and Y axis are swapped (boolean) + (swapping is done after inverting the axis) + +Example: + + i2c@00000000 { + /* ... */ + + gt928@5d { + compatible = "goodix,gt928"; + reg = <0x5d>; + interrupt-parent = <&gpio>; + interrupts = <0 0>; + + irq-gpios = <&gpio1 0 0>; + reset-gpios = <&gpio1 1 0>; + }; + + /* ... */ + }; |