Commit 9c407378 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Rob Herring
Browse files

dt-bindings: auxdisplay: img-ascii-lcd: Convert to json-schema 



Convert the Device Tree binding documentation for ASCII LCD displays on
Imagination Technologies boards to json-schema.

Drop bogus regmap property.
Add example.

Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/6e74aa466d39ddc9abe502e054d04e8cc7b76b40.1627402094.git.geert@linux-m68k.org


[robh: add type to 'offset']
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent dbe60e5d

Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/auxdisplay/img,ascii-lcd.yaml#

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



title: ASCII LCD displays on Imagination Technologies boards



maintainers:

  - Paul Burton <paulburton@kernel.org>



properties:

  compatible:

    enum:

      - img,boston-lcd

      - mti,malta-lcd

      - mti,sead3-lcd



  reg:

    maxItems: 1



  offset:

    $ref: /schemas/types.yaml#/definitions/uint32

    description:

      Offset in bytes to the LCD registers within the system controller



required:

  - compatible



oneOf:

  - required:

      - reg

  - required:

      - offset



if:

  properties:

    compatible:

      contains:

        const: img,boston-lcd

then:

  required:

    - reg

else:

  required:

    - offset



additionalProperties: false



examples:

  - |

    lcd: lcd@17fff000 {

            compatible = "img,boston-lcd";

            reg = <0x17fff000 0x8>;

    };

Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt

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Binding for ASCII LCD displays on Imagination Technologies boards



Required properties:

- compatible : should be one of:

    "img,boston-lcd"

    "mti,malta-lcd"

    "mti,sead3-lcd"



Required properties for "img,boston-lcd":

- reg : memory region locating the device registers



Required properties for "mti,malta-lcd" or "mti,sead3-lcd":

- regmap: phandle of the system controller containing the LCD registers

- offset: offset in bytes to the LCD registers within the system controller



The layout of the registers & properties of the display are determined

from the compatible string, making this binding somewhat trivial.

MAINTAINERS

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@@ -9040,7 +9040,7 @@ F: drivers/usb/atm/ueagle-atm.c 
IMGTEC ASCII LCD DRIVER

M:	Paul Burton <paulburton@kernel.org>

S:	Maintained

F:	Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt

F:	Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml

F:	drivers/auxdisplay/img-ascii-lcd.c









IMGTEC IR DECODER DRIVER