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
7title: Global Control Registers block in Nuvoton SoCs
8
9maintainers:
10  - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
11  - Tomer Maimon <tmaimon77@gmail.com>
12
13description:
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
18properties:
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
31required:
32  - compatible
33  - reg
34
35additionalProperties:
36  type: object
37
38examples:
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    };
51