1 * HiDeep Finger and Stylus touchscreen control 1 * HiDeep Finger and Stylus touchscreen controller
2 2
3 Required properties: 3 Required properties:
4 - compatible : must be "hideep,hide 4 - compatible : must be "hideep,hideep-ts"
5 - reg : I2C slave address, ( 5 - reg : I2C slave address, (e.g. 0x6C).
>> 6 - interrupt-parent : Interrupt controller to which the chip is connected.
6 - interrupts : Interrupt to which the chip is 7 - interrupts : Interrupt to which the chip is connected.
7 8
8 Optional properties: 9 Optional properties:
9 - vdd-supply : It is the controller supply 10 - vdd-supply : It is the controller supply for controlling
10 main 11 main voltage(3.3V) through the regulator.
11 - vid-supply : It is the controller supply 12 - vid-supply : It is the controller supply for controlling
12 IO vol 13 IO voltage(1.8V) through the regulator.
13 - reset-gpios : Define for reset gpio pin. 14 - reset-gpios : Define for reset gpio pin.
14 15 It is to use for reset IC.
15 - touchscreen-size-x : X axis size of touch 16 - touchscreen-size-x : X axis size of touchscreen
16 - touchscreen-size-y : Y axis size of touch 17 - touchscreen-size-y : Y axis size of touchscreen
17 - linux,keycodes : Specifies an array o 18 - linux,keycodes : Specifies an array of numeric keycode values to
18 be used for reporting 19 be used for reporting button presses. The array can
19 contain up to 3 entrie 20 contain up to 3 entries.
20 21
21 Example: 22 Example:
22 23
23 #include "dt-bindings/input/input.h" 24 #include "dt-bindings/input/input.h"
24 25
25 i2c@00000000 { 26 i2c@00000000 {
26 27
27 /* ... */ 28 /* ... */
28 29
29 touchscreen@6c { 30 touchscreen@6c {
30 compatible = "hideep,hideep-ts 31 compatible = "hideep,hideep-ts";
31 reg = <0x6c>; 32 reg = <0x6c>;
32 interrupt-parent = <&gpx1>; 33 interrupt-parent = <&gpx1>;
33 interrupts = <2 IRQ_TYPE_LEVEL 34 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
34 vdd-supply = <&ldo15_reg>; 35 vdd-supply = <&ldo15_reg>;
35 vid-supply = <&ldo18_reg>; 36 vid-supply = <&ldo18_reg>;
36 reset-gpios = <&gpx1 5 0>; 37 reset-gpios = <&gpx1 5 0>;
37 touchscreen-size-x = <1080>; 38 touchscreen-size-x = <1080>;
38 touchscreen-size-y = <1920>; 39 touchscreen-size-y = <1920>;
39 linux,keycodes = <KEY_HOME>, < 40 linux,keycodes = <KEY_HOME>, <KEY_MENU>, <KEY_BACK>;
40 }; 41 };
41 }; 42 };
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