1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/reset/nuvoton,npcm750-reset.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Nuvoton NPCM Reset controller
8
9 maintainers:
10 - Tomer Maimon <tmaimon77@gmail.com>
11
12 properties:
13 compatible:
14 enum:
15 - nuvoton,npcm750-reset # Poleg NPCM7XX SoC
16 - nuvoton,npcm845-reset # Arbel NPCM8XX SoC
17
18 reg:
19 maxItems: 1
20
21 '#reset-cells':
22 const: 2
23
24 nuvoton,sysgcr:
25 $ref: /schemas/types.yaml#/definitions/phandle
26 description: a phandle to access GCR registers.
27
28 nuvoton,sw-reset-number:
29 $ref: /schemas/types.yaml#/definitions/uint32
30 minimum: 1
31 maximum: 4
32 description: |
33 Contains the software reset number to restart the SoC.
34 If not specified, software reset is disabled.
35
36 required:
37 - compatible
38 - reg
39 - '#reset-cells'
40 - nuvoton,sysgcr
41
42 additionalProperties: false
43
44 examples:
45 - |
46 #include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>
47 rstc: rstc@f0801000 {
48 compatible = "nuvoton,npcm750-reset";
49 reg = <0xf0801000 0x70>;
50 #reset-cells = <2>;
51 nuvoton,sysgcr = <&gcr>;
52 nuvoton,sw-reset-number = <2>;
53 };
54
55 // Specifying reset lines connected to IP NPCM7XX modules
56 spi0: spi {
57 resets = <&rstc NPCM7XX_RESET_IPSRST2 NPCM7XX_RESET_PSPI1>;
58 };
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