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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/npcm/nuvoton,gcr.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Global Control Registers block in Nuvoton SoCs
maintainers:
- Jonathan Neuschäfer <j.neuschaefer@gmx.net>
description:
The Global Control Registers (GCR) are a block of registers in Nuvoton SoCs
that expose misc functionality such as chip model and version information or
pinmux settings.
properties:
compatible:
items:
- enum:
- nuvoton,wpcm450-gcr
- nuvoton,npcm750-gcr
- const: syscon
- const: simple-mfd
reg:
maxItems: 1
required:
- compatible
- reg
additionalProperties:
type: object
examples:
- |
gcr: syscon@800000 {
compatible = "nuvoton,npcm750-gcr", "syscon", "simple-mfd";
reg = <0x800000 0x1000>;
mux-controller {
compatible = "mmio-mux";
#mux-control-cells = <1>;
mux-reg-masks = <0x38 0x07>;
idle-states = <2>;
};
};
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