Unverified Commit cb2c4d73 authored by Marcus Folkesson's avatar Marcus Folkesson Committed by Javier Martinez Canillas
Browse files

dt-bindings: display: Add Sitronix ST7571 LCD Controller 



Sitronix ST7571 is a dot matrix LCD controller supporting
both 4bit grayscale and monochrome LCDs.

Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Reviewed-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarMarcus Folkesson <marcus.folkesson@gmail.com>
Link: https://lore.kernel.org/r/20250423-st7571-v6-1-e9519e3c4ec4@gmail.com


Signed-off-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
parent e270b366

Documentation/devicetree/bindings/display/sitronix,st7571.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/display/sitronix,st7571.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Sitronix ST7571 Display Controller



maintainers:

  - Marcus Folkesson <marcus.folkesson@gmail.com>



description:

  Sitronix ST7571 is a driver and controller for 4-level gray

  scale and monochrome dot matrix LCD panels.



allOf:

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



properties:

  compatible:

    const: sitronix,st7571



  reg:

    maxItems: 1



  sitronix,grayscale:

    type: boolean

    description:

      Display supports 4-level grayscale.



  reset-gpios: true

  width-mm: true

  height-mm: true

  panel-timing: true



required:

  - compatible

  - reg

  - reset-gpios

  - width-mm

  - height-mm

  - panel-timing



additionalProperties: false



examples:

  - |

    #include <dt-bindings/gpio/gpio.h>



    i2c {

      #address-cells = <1>;

      #size-cells = <0>;



      display@3f {

        compatible = "sitronix,st7571";

        reg = <0x3f>;

        reset-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;

        width-mm = <37>;

        height-mm = <27>;



        panel-timing {

          hactive = <128>;

          vactive = <96>;

          hback-porch = <0>;

          vback-porch = <0>;

          clock-frequency = <0>;

          hfront-porch = <0>;

          hsync-len = <0>;

          vfront-porch = <0>;

          vsync-len = <0>;

        };

      };

    };