diff options
author | Geert Uytterhoeven <geert@linux-m68k.org> | 2021-07-27 19:10:34 +0300 |
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committer | Rob Herring <robh@kernel.org> | 2021-08-02 23:51:35 +0300 |
commit | 9c4073782cb17898d740dc618338fb6043e43721 (patch) | |
tree | 83fc2bd91ca6ae8a9c432a3ed52796c3ae2a95e0 /Documentation/devicetree/bindings/auxdisplay | |
parent | dbe60e5d7f15454ecc9c7d93dce6240fdaa70da9 (diff) | |
download | linux-9c4073782cb17898d740dc618338fb6043e43721.tar.xz |
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: Geert 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: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/auxdisplay')
-rw-r--r-- | Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml | 55 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt | 17 |
2 files changed, 55 insertions, 17 deletions
diff --git a/Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml b/Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml new file mode 100644 index 000000000000..1899b23de7d1 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml @@ -0,0 +1,55 @@ +# 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>; + }; diff --git a/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt b/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt deleted file mode 100644 index b69bb68992fd..000000000000 --- a/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt +++ /dev/null @@ -1,17 +0,0 @@ -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. |