1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/power/renesas,apmu.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: Renesas Advanced Power Management Unit
8
9maintainers:
10  - Geert Uytterhoeven <geert+renesas@glider.be>
11  - Magnus Damm <magnus.damm@gmail.com>
12
13description:
14  Renesas R-Car Gen2 and RZ/G1 SoCs utilize one or more APMU hardware units for
15  CPU core power domain control including SMP boot and CPU Hotplug.
16
17properties:
18  compatible:
19    items:
20      - enum:
21          - renesas,r8a7743-apmu  # RZ/G1M
22          - renesas,r8a7744-apmu  # RZ/G1N
23          - renesas,r8a7745-apmu  # RZ/G1E
24          - renesas,r8a77470-apmu # RZ/G1C
25          - renesas,r8a7790-apmu  # R-Car H2
26          - renesas,r8a7791-apmu  # R-Car M2-W
27          - renesas,r8a7792-apmu  # R-Car V2H
28          - renesas,r8a7793-apmu  # R-Car M2-N
29          - renesas,r8a7794-apmu  # R-Car E2
30      - const: renesas,apmu
31
32  reg:
33    maxItems: 1
34
35  cpus:
36    $ref: /schemas/types.yaml#/definitions/phandle-array
37    description: |
38      Array of phandles pointing to CPU cores, which should match the order of
39      CPU cores used by the WUPCR and PSTR registers in the Advanced Power
40      Management Unit section of the device's datasheet.
41
42required:
43  - compatible
44  - reg
45  - cpus
46
47additionalProperties: false
48
49examples:
50  - |
51    apmu@e6152000 {
52            compatible = "renesas,r8a7791-apmu", "renesas,apmu";
53            reg = <0xe6152000 0x188>;
54            cpus = <&cpu0 &cpu1>;
55    };
56