1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/soc/nuvoton/nuvoton,npcm-gcr.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Global Control Registers block in Nuvoton SoCs
8
9 maintainers:
10 - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
11 - Tomer Maimon <tmaimon77@gmail.com>
12
13 description:
14 The Global Control Registers (GCR) are a block of registers in Nuvoton SoCs
15 that expose misc functionality such as chip model and version information or
16 pinmux settings.
17
18 properties:
19 compatible:
20 items:
21 - enum:
22 - nuvoton,wpcm450-gcr
23 - nuvoton,npcm750-gcr
24 - nuvoton,npcm845-gcr
25 - const: syscon
26 - const: simple-mfd
27
28 reg:
29 maxItems: 1
30
31 required:
32 - compatible
33 - reg
34
35 additionalProperties:
36 type: object
37
38 examples:
39 - |
40 gcr: syscon@800000 {
41 compatible = "nuvoton,npcm750-gcr", "syscon", "simple-mfd";
42 reg = <0x800000 0x1000>;
43
44 mux-controller {
45 compatible = "mmio-mux";
46 #mux-control-cells = <1>;
47 mux-reg-masks = <0x38 0x07>;
48 idle-states = <2>;
49 };
50 };
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