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dt-bindings: mfd: Add Realtek RTD1xxx system controllers
The Realtek system controllers are already in use with only generic
'"syscon", "simple-mfd"' compatibles and are missing specific
compatibles as required. Add a schema with specific compatibles. The
labels used in .dts files serve as the basis for the names.
It's doubtful the child nodes upstream are complete and I don't have
documentation, so the specific child nodes aren't documented here. Of
the ones in use, bindings already exist for them.
Link: https://patch.msgid.link/20251215212624.3319681-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Documentation/devicetree/bindings/mfd/realtek,rtd1xxx.yaml
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Documentation/devicetree/bindings/mfd/realtek,rtd1xxx.yaml
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# 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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$id: http://devicetree.org/schemas/mfd/realtek,rtd1xxx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Realtek RTD1xxx system controllers
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maintainers:
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- Andreas Färber <afaerber@suse.de>
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properties:
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compatible:
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items:
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- enum:
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- realtek,rtd1293-crt
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- realtek,rtd1293-iso
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- realtek,rtd1293-misc
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- realtek,rtd1293-sb2
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- realtek,rtd1293-scpu-wrapper
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- realtek,rtd1295-crt
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- realtek,rtd1295-iso
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- realtek,rtd1295-misc
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- realtek,rtd1295-sb2
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- realtek,rtd1295-scpu-wrapper
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- realtek,rtd1296-crt
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- realtek,rtd1296-iso
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- realtek,rtd1296-misc
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- realtek,rtd1296-sb2
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- realtek,rtd1296-scpu-wrapper
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- realtek,rtd1395-crt
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- realtek,rtd1395-iso
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- realtek,rtd1395-misc
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- realtek,rtd1395-sb2
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- realtek,rtd1395-scpu-wrapper
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- realtek,rtd1619-crt
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- realtek,rtd1619-iso
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- realtek,rtd1619-misc
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- realtek,rtd1619-sb2
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- realtek,rtd1619-scpu-wrapper
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- const: syscon
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- const: simple-mfd
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reg:
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maxItems: 1
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reg-io-width:
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const: 4
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ranges: true
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'#address-cells':
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const: 1
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'#size-cells':
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const: 1
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patternProperties:
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'@[0-9a-f]+$':
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type: object
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required:
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- compatible
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required:
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- compatible
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- reg
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additionalProperties: false