1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/display/sit 4 $id: http://devicetree.org/schemas/display/sitronix,st7735r.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Sitronix ST7735R Display Panels !! 7 title: Sitronix ST7735R Display Panels Device Tree Bindings
8 8
9 maintainers: 9 maintainers:
10 - David Lechner <david@lechnology.com> 10 - David Lechner <david@lechnology.com>
11 11
12 description: 12 description:
13 This binding is for display panels using a S 13 This binding is for display panels using a Sitronix ST7715R or ST7735R
14 controller in SPI mode. 14 controller in SPI mode.
15 15
16 allOf: 16 allOf:
17 - $ref: panel/panel-common.yaml# 17 - $ref: panel/panel-common.yaml#
18 - $ref: /schemas/spi/spi-peripheral-props.ya <<
19 18
20 properties: 19 properties:
21 compatible: 20 compatible:
22 oneOf: 21 oneOf:
23 - description: 22 - description:
24 Adafruit 1.8" 160x128 Color TFT LCD 23 Adafruit 1.8" 160x128 Color TFT LCD (Product ID 358 or 618)
25 items: 24 items:
26 - enum: 25 - enum:
27 - jianda,jd-t18003-t01 26 - jianda,jd-t18003-t01
28 - const: sitronix,st7735r 27 - const: sitronix,st7735r
29 - description: 28 - description:
30 Okaya 1.44" 128x128 Color TFT LCD (E 29 Okaya 1.44" 128x128 Color TFT LCD (E.g. Renesas YRSK-LCD-PMOD)
31 items: 30 items:
32 - enum: 31 - enum:
33 - okaya,rh128128t 32 - okaya,rh128128t
34 - const: sitronix,st7715r 33 - const: sitronix,st7715r
35 34
>> 35 spi-max-frequency:
>> 36 maximum: 32000000
>> 37
36 dc-gpios: 38 dc-gpios:
37 maxItems: 1 39 maxItems: 1
38 description: Display data/command selectio 40 description: Display data/command selection (D/CX)
39 41
40 backlight: true 42 backlight: true
41 reg: true 43 reg: true
42 spi-max-frequency: true <<
43 reset-gpios: true 44 reset-gpios: true
44 rotation: true 45 rotation: true
45 46
46 required: 47 required:
47 - compatible 48 - compatible
48 - reg 49 - reg
49 - dc-gpios 50 - dc-gpios
>> 51 - reset-gpios
50 52
51 additionalProperties: false 53 additionalProperties: false
52 54
53 examples: 55 examples:
54 - | 56 - |
55 #include <dt-bindings/gpio/gpio.h> 57 #include <dt-bindings/gpio/gpio.h>
56 58
>> 59 backlight: backlight {
>> 60 compatible = "gpio-backlight";
>> 61 gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
>> 62 };
>> 63
57 spi { 64 spi {
58 #address-cells = <1>; 65 #address-cells = <1>;
59 #size-cells = <0>; 66 #size-cells = <0>;
60 67
61 display@0{ 68 display@0{
62 compatible = "jianda,jd-t1 69 compatible = "jianda,jd-t18003-t01", "sitronix,st7735r";
63 reg = <0>; 70 reg = <0>;
64 spi-max-frequency = <32000 71 spi-max-frequency = <32000000>;
65 dc-gpios = <&gpio 43 GPIO_ 72 dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
66 reset-gpios = <&gpio 80 GP 73 reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
67 rotation = <270>; 74 rotation = <270>;
68 backlight = <&backlight>; <<
69 }; 75 };
70 }; 76 };
71 77
72 ... 78 ...
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