7f464532b0
Setting 'additionalProperties: false' is frequently omitted, but is important in order to check that there aren't extra undocumented properties in a binding. Ideally, we'd just add this automatically and make this the default, but there's some cases where it doesn't work. For example, if a common schema is referenced, then properties in the common schema aren't part of what's considered for 'additionalProperties'. Also, sometimes there are bus specific properties such as 'spi-max-frequency' that go into bus child nodes, but aren't defined in the child node's schema. So let's stick with the json-schema defined default and add 'additionalProperties: false' where needed. This will be a continual review comment and game of wack-a-mole. Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com> Acked-by: Stephen Boyd <sboyd@kernel.org> # clock Acked-by: Lee Jones <lee.jones@linaro.org>
63 lines
1.5 KiB
YAML
63 lines
1.5 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/reset/syscon-poweroff.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Generic SYSCON mapped register poweroff driver
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maintainers:
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- Sebastian Reichel <sre@kernel.org>
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description: |+
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This is a generic poweroff driver using syscon to map the poweroff register.
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The poweroff is generally performed with a write to the poweroff register
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defined by the register map pointed by syscon reference plus the offset
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with the value and mask defined in the poweroff node.
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Default will be little endian mode, 32 bit access only.
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properties:
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compatible:
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const: syscon-poweroff
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mask:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: Update only the register bits defined by the mask (32 bit).
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offset:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: Offset in the register map for the poweroff register (in bytes).
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regmap:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: Phandle to the register map node.
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value:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: The poweroff value written to the poweroff register (32 bit access).
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required:
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- compatible
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- regmap
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- offset
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additionalProperties: false
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allOf:
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- if:
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not:
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required:
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- mask
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then:
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required:
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- value
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examples:
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- |
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poweroff {
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compatible = "syscon-poweroff";
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regmap = <®mapnode>;
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offset = <0x0>;
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mask = <0x7a>;
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};
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