xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/display/panel/sitronix,st7701.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Sitronix ST7701 based LCD panels
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Jagan Teki <jagan@amarulasolutions.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyundescription: |
13*4882a593Smuzhiyun  ST7701 designed for small and medium sizes of TFT LCD display, is
14*4882a593Smuzhiyun  capable of supporting up to 480RGBX864 in resolution. It provides
15*4882a593Smuzhiyun  several system interfaces like MIPI/RGB/SPI.
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun  Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has
18*4882a593Smuzhiyun  inbuilt ST7701 chip.
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunallOf:
21*4882a593Smuzhiyun  - $ref: panel-common.yaml#
22*4882a593Smuzhiyun
23*4882a593Smuzhiyunproperties:
24*4882a593Smuzhiyun  compatible:
25*4882a593Smuzhiyun    items:
26*4882a593Smuzhiyun      - enum:
27*4882a593Smuzhiyun          - techstar,ts8550b
28*4882a593Smuzhiyun      - const: sitronix,st7701
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun  reg:
31*4882a593Smuzhiyun    description: DSI virtual channel used by that screen
32*4882a593Smuzhiyun    maxItems: 1
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  VCC-supply:
35*4882a593Smuzhiyun    description: analog regulator for MIPI circuit
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun  IOVCC-supply:
38*4882a593Smuzhiyun    description: I/O system regulator
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun  reset-gpios: true
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun  backlight: true
43*4882a593Smuzhiyun
44*4882a593Smuzhiyunrequired:
45*4882a593Smuzhiyun  - compatible
46*4882a593Smuzhiyun  - reg
47*4882a593Smuzhiyun  - VCC-supply
48*4882a593Smuzhiyun  - IOVCC-supply
49*4882a593Smuzhiyun  - reset-gpios
50*4882a593Smuzhiyun
51*4882a593SmuzhiyunadditionalProperties: false
52*4882a593Smuzhiyun
53*4882a593Smuzhiyunexamples:
54*4882a593Smuzhiyun  - |
55*4882a593Smuzhiyun    #include <dt-bindings/gpio/gpio.h>
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun    dsi {
58*4882a593Smuzhiyun        #address-cells = <1>;
59*4882a593Smuzhiyun        #size-cells = <0>;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun        panel@0 {
62*4882a593Smuzhiyun            compatible = "techstar,ts8550b", "sitronix,st7701";
63*4882a593Smuzhiyun            reg = <0>;
64*4882a593Smuzhiyun            VCC-supply = <&reg_dldo2>;
65*4882a593Smuzhiyun            IOVCC-supply = <&reg_dldo2>;
66*4882a593Smuzhiyun            reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
67*4882a593Smuzhiyun            backlight = <&backlight>;
68*4882a593Smuzhiyun        };
69*4882a593Smuzhiyun    };
70