xref: /linux/Documentation/devicetree/bindings/display/sitronix,st7586.yaml (revision e7e86d7697c6ed1dbbde18d7185c35b6967945ed) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/sitronix,st7586.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Sitronix ST7586 Display Controller
8
9maintainers:
10  - David Lechner <david@lechnology.com>
11
12description:
13  Sitronix ST7586 is a driver and controller for 4-level gray
14  scale and monochrome dot matrix LCD panels.
15  https://topwaydisplay.com/sites/default/files/2020-04/ST7586S.pdf
16
17$ref: panel/panel-common.yaml#
18
19additionalProperties: false
20
21properties:
22  compatible:
23    const: lego,ev3-lcd
24
25  reg:
26    maxItems: 1
27
28  spi-max-frequency:
29    maximum: 50000000
30
31  a0-gpios:
32    description:
33      The A0 signal (for serial mode, this is the pin labeled D1 on the
34      controller, not the pin labeled A0)
35    maxItems: 1
36
37  reset-gpios: true
38  rotation: true
39
40required:
41  - compatible
42  - reg
43  - a0-gpios
44  - reset-gpios
45
46examples:
47  - |
48    #include <dt-bindings/gpio/gpio.h>
49
50    spi {
51        #address-cells = <1>;
52        #size-cells = <0>;
53
54        display@0 {
55            compatible = "lego,ev3-lcd";
56            reg = <0>;
57            spi-max-frequency = <10000000>;
58            a0-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
59            reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
60        };
61    };
62