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* ChipOne icn8318 I2C touchscreen controller
Required properties:
- compatible : "chipone,icn8318"
- reg : I2C slave address of the chip (0x40)
- interrupts : interrupt specification for the icn8318 interrupt
- wake-gpios : GPIO specification for the WAKE input
- touchscreen-size-x : horizontal resolution of touchscreen (in pixels)
- touchscreen-size-y : vertical resolution of touchscreen (in pixels)
Optional properties:
- pinctrl-names : should be "default"
- pinctrl-0: : a phandle pointing to the pin settings for the
control gpios
- touchscreen-fuzz-x : horizontal noise value of the absolute input
device (in pixels)
- touchscreen-fuzz-y : vertical noise value of the absolute input
device (in pixels)
- 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 {
/* ... */
chipone_icn8318@40 {
compatible = "chipone,icn8318";
reg = <0x40>;
interrupt-parent = <&pio>;
interrupts = <9 IRQ_TYPE_EDGE_FALLING>; /* EINT9 (PG9) */
pinctrl-names = "default";
pinctrl-0 = <&ts_wake_pin_p66>;
wake-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
touchscreen-size-x = <800>;
touchscreen-size-y = <480>;
touchscreen-inverted-x;
touchscreen-swapped-x-y;
};
/* ... */
};
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