xref: /linux/Documentation/devicetree/bindings/display/sitronix,st7571.yaml (revision e78f70bad29c5ae1e1076698b690b15794e9b81e) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/sitronix,st7571.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Sitronix ST7571 Display Controller
8
9maintainers:
10  - Marcus Folkesson <marcus.folkesson@gmail.com>
11
12description:
13  Sitronix ST7571 is a driver and controller for 4-level gray
14  scale and monochrome dot matrix LCD panels.
15
16allOf:
17  - $ref: panel/panel-common.yaml#
18
19properties:
20  compatible:
21    const: sitronix,st7571
22
23  reg:
24    maxItems: 1
25
26  sitronix,grayscale:
27    type: boolean
28    description:
29      Display supports 4-level grayscale.
30
31  reset-gpios: true
32  width-mm: true
33  height-mm: true
34  panel-timing: true
35
36required:
37  - compatible
38  - reg
39  - reset-gpios
40  - width-mm
41  - height-mm
42  - panel-timing
43
44additionalProperties: false
45
46examples:
47  - |
48    #include <dt-bindings/gpio/gpio.h>
49
50    i2c {
51      #address-cells = <1>;
52      #size-cells = <0>;
53
54      display@3f {
55        compatible = "sitronix,st7571";
56        reg = <0x3f>;
57        reset-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
58        width-mm = <37>;
59        height-mm = <27>;
60
61        panel-timing {
62          hactive = <128>;
63          vactive = <96>;
64          hback-porch = <0>;
65          vback-porch = <0>;
66          clock-frequency = <0>;
67          hfront-porch = <0>;
68          hsync-len = <0>;
69          vfront-porch = <0>;
70          vsync-len = <0>;
71        };
72      };
73    };
74