1 * ST-Microelectronics FingerTip touchscreen controller
3 The ST-Microelectronics FingerTip device provides a basic touchscreen
4 functionality. Along with it the user can enable the touchkey which can work as
5 a basic HOME and BACK key for phones.
7 The driver supports also hovering as an absolute single touch event with x, y, z
11 - compatible : must be "st,stmfts"
12 - reg : I2C slave address, (e.g. 0x49)
13 - interrupt-parent : the phandle to the interrupt controller which provides
15 - interrupts : interrupt specification
16 - avdd-supply : analogic power supply
17 - vdd-supply : power supply
18 - touchscreen-size-x : see touchscreen.txt
19 - touchscreen-size-y : see touchscreen.txt
22 - touch-key-connected : specifies whether the touchkey feature is connected
23 - ledvdd-supply : power supply to the touch key leds
32 compatible = "st,stmfts";
34 interrupt-parent = <&gpa1>;
35 interrupts = <1 IRQ_TYPE_NONE>;
36 touchscreen-size-x = <1599>;
37 touchscreen-size-y = <2559>;
39 avdd-supply = <&ldo30_reg>;
40 vdd-supply = <&ldo31_reg>;
41 ledvdd-supply = <&ldo33_reg>;