xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/auxdisplay/modtronix,lcd2s.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/auxdisplay/modtronix,lcd2s.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Modtronix engineering LCD2S Character LCD Display

maintainers:
  - Lars Poeschel <poeschel@lemonage.de>

description:
  The LCD2S is a Character LCD Display manufactured by Modtronix Engineering.
  The display supports a serial I2C and SPI interface. The driver currently
  only supports the I2C interface.

properties:
  compatible:
    const: modtronix,lcd2s

  reg:
    maxItems: 1
    description:
      I2C bus address of the display.

  display-height-chars:
    description: Height of the display, in character cells.
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 1
    maximum: 4

  display-width-chars:
    description: Width of the display, in character cells.
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 16
    maximum: 20

required:
  - compatible
  - reg
  - display-height-chars
  - display-width-chars

additionalProperties: false

examples:
  - |
    i2c {
      #address-cells = <1>;
      #size-cells = <0>;

      lcd2s: auxdisplay@28 {
        compatible = "modtronix,lcd2s";
        reg = <0x28>;
        display-height-chars = <4>;
        display-width-chars = <20>;
      };
    };