1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/panel/sitronix,st7701.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Sitronix ST7701 based LCD panels
8
9maintainers:
10  - Jagan Teki <jagan@amarulasolutions.com>
11
12description: |
13  ST7701 designed for small and medium sizes of TFT LCD display, is
14  capable of supporting up to 480RGBX864 in resolution. It provides
15  several system interfaces like MIPI/RGB/SPI.
16
17  Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has
18  inbuilt ST7701 chip.
19
20  Densitron DMT028VGHMCMI-1A is 480x640, 2-lane MIPI DSI LCD panel
21  which has built-in ST7701 chip.
22
23allOf:
24  - $ref: panel-common.yaml#
25
26properties:
27  compatible:
28    items:
29      - enum:
30          - densitron,dmt028vghmcmi-1a
31          - elida,kd50t048a
32          - techstar,ts8550b
33      - const: sitronix,st7701
34
35  reg:
36    description: DSI virtual channel used by that screen
37    maxItems: 1
38
39  VCC-supply:
40    description: analog regulator for MIPI circuit
41
42  IOVCC-supply:
43    description: I/O system regulator
44
45  reset-gpios: true
46
47  backlight: true
48
49required:
50  - compatible
51  - reg
52  - VCC-supply
53  - IOVCC-supply
54  - reset-gpios
55
56additionalProperties: false
57
58examples:
59  - |
60    #include <dt-bindings/gpio/gpio.h>
61
62    dsi {
63        #address-cells = <1>;
64        #size-cells = <0>;
65
66        panel@0 {
67            compatible = "techstar,ts8550b", "sitronix,st7701";
68            reg = <0>;
69            VCC-supply = <&reg_dldo2>;
70            IOVCC-supply = <&reg_dldo2>;
71            reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
72            backlight = <&backlight>;
73        };
74    };
75