44 lines
1.6 KiB
Plaintext
44 lines
1.6 KiB
Plaintext
|
* Rohm BU21013 Touch Screen
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
- compatible : "rohm,bu21013_tp"
|
||
|
|
- reg : I2C device address
|
||
|
|
- reset-gpios : GPIO pin enabling (selecting) chip (CS)
|
||
|
|
- interrupt-parent : the phandle for the gpio controller
|
||
|
|
- interrupts : (gpio) interrupt to which the chip is connected
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
- touch-gpios : GPIO pin registering a touch event
|
||
|
|
- <supply_name>-supply : Phandle to a regulator supply
|
||
|
|
- touchscreen-size-x : General touchscreen binding, see [1].
|
||
|
|
- touchscreen-size-y : General touchscreen binding, see [1].
|
||
|
|
- touchscreen-inverted-x : General touchscreen binding, see [1].
|
||
|
|
- touchscreen-inverted-y : General touchscreen binding, see [1].
|
||
|
|
- touchscreen-swapped-x-y : General touchscreen binding, see [1].
|
||
|
|
|
||
|
|
[1] All general touchscreen properties are described in
|
||
|
|
Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt.
|
||
|
|
|
||
|
|
Deprecated properties:
|
||
|
|
- rohm,touch-max-x : Maximum outward permitted limit in the X axis
|
||
|
|
- rohm,touch-max-y : Maximum outward permitted limit in the Y axis
|
||
|
|
- rohm,flip-x : Flip touch coordinates on the X axis
|
||
|
|
- rohm,flip-y : Flip touch coordinates on the Y axis
|
||
|
|
|
||
|
|
Example:
|
||
|
|
|
||
|
|
i2c@80110000 {
|
||
|
|
bu21013_tp@5c {
|
||
|
|
compatible = "rohm,bu21013_tp";
|
||
|
|
reg = <0x5c>;
|
||
|
|
interrupt-parent = <&gpio2>;
|
||
|
|
interrupts <&20 IRQ_TYPE_LEVEL_LOW>;
|
||
|
|
touch-gpio = <&gpio2 20 GPIO_ACTIVE_LOW>;
|
||
|
|
avdd-supply = <&ab8500_ldo_aux1_reg>;
|
||
|
|
|
||
|
|
touchscreen-size-x = <384>;
|
||
|
|
touchscreen-size-y = <704>;
|
||
|
|
touchscreen-inverted-y;
|
||
|
|
};
|
||
|
|
};
|