Documentation/devicetree/bindings/display/sitronix,st7735r.yaml

   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
   7 title: Sitronix ST7735R Display Panels
   8
   9 maintainers:
  10   - David Lechner <david@lechnology.com>
  11
  12 description:
  13   This binding is for display panels using a Sitronix ST7715R or ST7735R
  14   controller in SPI mode.
  15
  16 allOf:
  17   - $ref: panel/panel-common.yaml#
  18   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  19
  20 properties:
  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
  46 required:
  47   - compatible
  48   - reg
  49   - dc-gpios
  50
  51 additionalProperties: false
  52
  53 examples:
  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 ...