xref: /linux/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml (revision e78f70bad29c5ae1e1076698b690b15794e9b81e) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/reset/atmel,at91sam9260-reset.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Atmel/Microchip System Reset Controller
8
9maintainers:
10  - Claudiu Beznea <claudiu.beznea@microchip.com>
11
12description: |
13  The system reset controller can be used to reset the CPU. In case of
14  SAMA7G5 it can also reset some devices (e.g. USB PHYs).
15
16properties:
17  compatible:
18    oneOf:
19      - items:
20          - enum:
21              - atmel,at91sam9260-rstc
22              - atmel,at91sam9g45-rstc
23              - atmel,sama5d3-rstc
24              - microchip,sam9x60-rstc
25              - microchip,sama7g5-rstc
26      - items:
27          - const: microchip,sama7d65-rstc
28          - const: microchip,sama7g5-rstc
29      - items:
30          - const: atmel,sama5d3-rstc
31          - const: atmel,at91sam9g45-rstc
32      - items:
33          - enum:
34              - microchip,sam9x7-rstc
35          - const: microchip,sam9x60-rstc
36
37  reg:
38    minItems: 1
39    items:
40      - description: base registers for system reset control
41      - description: registers for device specific reset control
42
43  clocks:
44    maxItems: 1
45
46  "#reset-cells":
47    const: 1
48
49required:
50  - compatible
51  - reg
52  - clocks
53
54allOf:
55  - if:
56      properties:
57        compatible:
58          contains:
59            enum:
60              - microchip,sama7g5-rstc
61    then:
62      required:
63        - "#reset-cells"
64
65additionalProperties: false
66
67examples:
68  - |
69    #include <dt-bindings/clock/at91.h>
70
71    reset-controller@fffffd00 {
72        compatible = "atmel,at91sam9260-rstc";
73        reg = <0xfffffd00 0x10>;
74        clocks = <&pmc PMC_TYPE_CORE PMC_SLOW>;
75    };
76