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
7 title: Renesas Advanced Power Management Unit
8
9 maintainers:
10 - Geert Uytterhoeven <geert+renesas@glider.be>
11 - Magnus Damm <magnus.damm@gmail.com>
12
13 description:
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
17 properties:
18 compatible:
19 items:
20 - enum:
21 - renesas,r8a7742-apmu # RZ/G1H
22 - renesas,r8a7743-apmu # RZ/G1M
23 - renesas,r8a7744-apmu # RZ/G1N
24 - renesas,r8a7745-apmu # RZ/G1E
25 - renesas,r8a77470-apmu # RZ/G1C
26 - renesas,r8a7790-apmu # R-Car H2
27 - renesas,r8a7791-apmu # R-Car M2-W
28 - renesas,r8a7792-apmu # R-Car V2H
29 - renesas,r8a7793-apmu # R-Car M2-N
30 - renesas,r8a7794-apmu # R-Car E2
31 - const: renesas,apmu
32
33 reg:
34 maxItems: 1
35
36 cpus:
37 minItems: 1
38 maxItems: 4
39 description: |
40 Array of phandles pointing to CPU cores, which should match the order of
41 CPU cores used by the WUPCR and PSTR registers in the Advanced Power
42 Management Unit section of the device's datasheet.
43
44 required:
45 - compatible
46 - reg
47 - cpus
48
49 additionalProperties: false
50
51 examples:
52 - |
53 apmu@e6152000 {
54 compatible = "renesas,r8a7791-apmu", "renesas,apmu";
55 reg = <0xe6152000 0x188>;
56 cpus = <&cpu0>, <&cpu1>;
57 };
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