xref: /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/sitronix,st7735r.yaml (revision 8c2ecf20)

# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/sitronix,st7735r.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Sitronix ST7735R Display Panels Device Tree Bindings

maintainers:
  - David Lechner <david@lechnology.com>

description:
  This binding is for display panels using a Sitronix ST7715R or ST7735R
  controller in SPI mode.

allOf:
  - $ref: panel/panel-common.yaml#

properties:
  compatible:
    oneOf:
      - description:
          Adafruit 1.8" 160x128 Color TFT LCD (Product ID 358 or 618)
        items:
          - enum:
              - jianda,jd-t18003-t01
          - const: sitronix,st7735r
      - description:
          Okaya 1.44" 128x128 Color TFT LCD (E.g. Renesas YRSK-LCD-PMOD)
        items:
          - enum:
              - okaya,rh128128t
          - const: sitronix,st7715r

  spi-max-frequency:
    maximum: 32000000

  dc-gpios:
    maxItems: 1
    description: Display data/command selection (D/CX)

  backlight: true
  reg: true
  reset-gpios: true
  rotation: true

required:
  - compatible
  - reg
  - dc-gpios
  - reset-gpios

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>

    backlight: backlight {
            compatible = "gpio-backlight";
            gpios = <&gpio 44 GPIO_ACTIVE_HIGH>;
    };

    spi {
            #address-cells = <1>;
            #size-cells = <0>;

            display@0{
                    compatible = "jianda,jd-t18003-t01", "sitronix,st7735r";
                    reg = <0>;
                    spi-max-frequency = <32000000>;
                    dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
                    reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
                    rotation = <270>;
                    backlight = <&backlight>;
            };
    };

...