input/touchscreen/zinitix%2Cbt400.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/zinitix,bt400.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Zinitix BT4xx and BT5xx series touchscreen controller
9 description: The Zinitix BT4xx and BT5xx series of touchscreen controllers
10   are Korea-produced touchscreens with embedded microcontrollers. The
11   BT4xx series was produced 2010-2013 and the BT5xx series 2013-2014.
14   - Michael Srba <Michael.Srba@seznam.cz>
15   - Linus Walleij <linus.walleij@linaro.org>
18   - $ref: touchscreen.yaml#
19   - $ref: ../input.yaml#
23     pattern: "^touchscreen(@.*)?$"
27       - zinitix,bt402
28       - zinitix,bt403
29       - zinitix,bt404
30       - zinitix,bt412
31       - zinitix,bt413
32       - zinitix,bt431
33       - zinitix,bt432
34       - zinitix,bt531
35       - zinitix,bt532
36       - zinitix,bt538
37       - zinitix,bt541
38       - zinitix,bt548
39       - zinitix,bt554
40       - zinitix,at100
45   clock-frequency:
55   vcca-supply:
58   vdd-supply:
61       supply on the VCCA pin, and in that case the deprecated vddo-supply is
64   vddo-supply:
65     description: Deprecated name for the digital power supply, use vdd-supply
67       the vdd-supply represents VCCA instead of VDD. Implementers should first
68       check for this property, and if it is present assume that the vdd-supply
72   reset-gpios:
73     description: Reset line for the touchscreen, should be tagged
86       touch-keys that can be present in some touchscreen configurations.
87       If the touch-keys are enabled, controller firmware will assign some
92   touchscreen-size-x: true
93   touchscreen-size-y: true
94   touchscreen-fuzz-x: true
95   touchscreen-fuzz-y: true
100   - compatible
101   - reg
102   - interrupts
103   - touchscreen-size-x
104   - touchscreen-size-y
107   - |
108     #include <dt-bindings/interrupt-controller/irq.h>
109     #include <dt-bindings/gpio/gpio.h>
111       #address-cells = <1>;
112       #size-cells = <0>;
114       touchscreen@20 {
117         interrupt-parent = <&gpio>;
119         vcca-supply = <&reg_vcca_tsp>;
120         vdd-supply = <&reg_vdd_tsp>;
121         touchscreen-size-x = <540>;
122         touchscreen-size-y = <960>;