xref: /linux/Documentation/devicetree/bindings/arm/atmel,sama5d2-secumod.yaml (revision 69352bd52b2667e5c6e8ebb14143528c28f5e37d) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/arm/atmel,sama5d2-secumod.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Microchip AT91 Security Module (SECUMOD)
8
9maintainers:
10  - Nicolas Ferre <nicolas.ferre@microchip.com>
11
12description:
13  The Security Module also offers the PIOBU pins which can be used as GPIO pins.
14  Note that they maintain their voltage during Backup/Self-refresh.
15
16properties:
17  compatible:
18    oneOf:
19      - items:
20          - const: atmel,sama5d2-secumod
21          - const: syscon
22      - items:
23          - enum:
24              - microchip,sama7d65-secumod
25              - microchip,sama7g5-secumod
26          - const: atmel,sama5d2-secumod
27          - const: syscon
28  reg:
29    maxItems: 1
30
31  gpio-controller: true
32
33  "#gpio-cells":
34    const: 2
35
36required:
37  - compatible
38  - reg
39
40unevaluatedProperties: false
41
42examples:
43  - |
44    security-module@fc040000 {
45      compatible = "atmel,sama5d2-secumod", "syscon";
46      reg = <0xfc040000 0x100>;
47      gpio-controller;
48      #gpio-cells = <2>;
49    };
50