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 Device Tree Bindings
   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
  19 properties:
  20   compatible:
  21     oneOf:
  22       - description:
  23           Adafruit 1.8" 160x128 Color TFT LCD (Product ID 358 or 618)
  24         items:
  25           - enum:
  26               - jianda,jd-t18003-t01
  27           - const: sitronix,st7735r
  28       - description:
  29           Okaya 1.44" 128x128 Color TFT LCD (E.g. Renesas YRSK-LCD-PMOD)
  30         items:
  31           - enum:
  32               - okaya,rh128128t
  33           - const: sitronix,st7715r
  34
  35   dc-gpios:
  36     maxItems: 1
  37     description: Display data/command selection (D/CX)
  38
  39   backlight: true
  40   reg: true
  41   spi-max-frequency: true
  42   reset-gpios: true
  43   rotation: true
  44
  45 required:
  46   - compatible
  47   - reg
  48   - dc-gpios
  49
  50 additionalProperties: false
  51
  52 examples:
  53   - |
  54     #include <dt-bindings/gpio/gpio.h>
  55
  56     backlight: backlight {
  57             compatible = "gpio-backlight";
  58             gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
  59     };
  60
  61     spi {
  62             #address-cells = <1>;
  63             #size-cells = <0>;
  64
  65             display@0{
  66                     compatible = "jianda,jd-t18003-t01", "sitronix,st7735r";
  67                     reg = <0>;
  68                     spi-max-frequency = <32000000>;
  69                     dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
  70                     reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
  71                     rotation = <270>;
  72                     backlight = <&backlight>;
  73             };
  74     };
  75
  76 ...