xref: /freebsd/sys/contrib/device-tree/Bindings/display/sitronix,st7735r.yaml (revision bdd1243df58e60e85101c09001d9812a789b6bc4) 
1# SPDX-License-Identifier: GPL-2.0-only
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/sitronix,st7735r.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Sitronix ST7735R Display Panels Device Tree Bindings
8
9maintainers:
10  - David Lechner <david@lechnology.com>
11
12description:
13  This binding is for display panels using a Sitronix ST7715R or ST7735R
14  controller in SPI mode.
15
16allOf:
17  - $ref: panel/panel-common.yaml#
18  - $ref: /schemas/spi/spi-peripheral-props.yaml#
19
20properties:
21  compatible:
22    oneOf:
23      - description:
24          Adafruit 1.8" 160x128 Color TFT LCD (Product ID 358 or 618)
25        items:
26          - enum:
27              - jianda,jd-t18003-t01
28          - const: sitronix,st7735r
29      - description:
30          Okaya 1.44" 128x128 Color TFT LCD (E.g. Renesas YRSK-LCD-PMOD)
31        items:
32          - enum:
33              - okaya,rh128128t
34          - const: sitronix,st7715r
35
36  dc-gpios:
37    maxItems: 1
38    description: Display data/command selection (D/CX)
39
40  backlight: true
41  reg: true
42  spi-max-frequency: true
43  reset-gpios: true
44  rotation: true
45
46required:
47  - compatible
48  - reg
49  - dc-gpios
50
51additionalProperties: false
52
53examples:
54  - |
55    #include <dt-bindings/gpio/gpio.h>
56
57    backlight: backlight {
58            compatible = "gpio-backlight";
59            gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
60    };
61
62    spi {
63            #address-cells = <1>;
64            #size-cells = <0>;
65
66            display@0{
67                    compatible = "jianda,jd-t18003-t01", "sitronix,st7735r";
68                    reg = <0>;
69                    spi-max-frequency = <32000000>;
70                    dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
71                    reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
72                    rotation = <270>;
73                    backlight = <&backlight>;
74            };
75    };
76
77...
78