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48 lines
1.6 KiB
48 lines
1.6 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/input/matrix-keymap.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Common key matrices binding for matrix-connected key boards |
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maintainers: |
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- Olof Johansson <[email protected]> |
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description: | |
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A simple common binding for matrix-connected key boards. Currently targeted at |
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defining the keys in the scope of linux key codes since that is a stable and |
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standardized interface at this time. |
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Some users of this binding might choose to specify secondary keymaps for |
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cases where there is a modifier key such as a Fn key. Proposed names |
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for said properties are "linux,fn-keymap" or with another descriptive |
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word for the modifier other from "Fn". |
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properties: |
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linux,keymap: |
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$ref: '/schemas/types.yaml#/definitions/uint32-array' |
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description: | |
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An array of packed 1-cell entries containing the equivalent of row, |
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column and linux key-code. The 32-bit big endian cell is packed as: |
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row << 24 | column << 16 | key-code |
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keypad,num-rows: |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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description: Number of row lines connected to the keypad controller. |
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keypad,num-columns: |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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description: Number of column lines connected to the keypad controller. |
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additionalProperties: true |
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examples: |
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- | |
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keypad { |
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/* ... */ |
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linux,keymap = < 0x00030012 |
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0x0102003a >; |
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keypad,num-rows = <2>; |
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keypad,num-columns = <8>; |
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};
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