ff1f75293e
For missing optional properties, it can be handy to generate a default value instead of no value, to cut down on #ifdefs. Allow a default value to be specified in the binding, via a new 'default: <default value>' setting for properties in bindings. Defaults are supported for both scalar and array types. YAML arrays are used to specify the value for array types. 'default:' also appears in json-schema, with the same meaning. Include misc. sanity checks, like the 'default' value matching 'type'. The documentation changes in binding-template.yaml explain the syntax. Suggested by Peter A. Bigot in https://github.com/zephyrproject-rtos/zephyr/issues/17829. Fixes: #17829 Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
38 lines
688 B
YAML
38 lines
688 B
YAML
# SPDX-License-Identifier: BSD-3-Clause
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title: Property default value test
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description: Property default value test
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compatible: "defaults"
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properties:
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int:
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type: int
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required: false
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default: 123
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array:
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type: array
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required: false
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default: [1, 2, 3]
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uint8-array:
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type: uint8-array
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required: false
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default: [0x89, 0xAB, 0xCD]
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string:
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type: string
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required: false
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default: "hello"
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string-array:
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type: string-array
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required: false
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default: ["hello", "there"]
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default-not-used:
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type: int
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required: false
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default: 123
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