1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/renesas,apmu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas Advanced Power Management Unit
maintainers:
- Geert Uytterhoeven <geert+renesas@glider.be>
- Magnus Damm <magnus.damm@gmail.com>
description:
Renesas R-Car Gen2 and RZ/G1 SoCs utilize one or more APMU hardware units for
CPU core power domain control including SMP boot and CPU Hotplug.
properties:
compatible:
items:
- enum:
- renesas,r8a7742-apmu # RZ/G1H
- renesas,r8a7743-apmu # RZ/G1M
- renesas,r8a7744-apmu # RZ/G1N
- renesas,r8a7745-apmu # RZ/G1E
- renesas,r8a77470-apmu # RZ/G1C
- renesas,r8a7790-apmu # R-Car H2
- renesas,r8a7791-apmu # R-Car M2-W
- renesas,r8a7792-apmu # R-Car V2H
- renesas,r8a7793-apmu # R-Car M2-N
- renesas,r8a7794-apmu # R-Car E2
- const: renesas,apmu
reg:
maxItems: 1
cpus:
minItems: 1
maxItems: 4
description: |
Array of phandles pointing to CPU cores, which should match the order of
CPU cores used by the WUPCR and PSTR registers in the Advanced Power
Management Unit section of the device's datasheet.
required:
- compatible
- reg
- cpus
additionalProperties: false
examples:
- |
apmu@e6152000 {
compatible = "renesas,r8a7791-apmu", "renesas,apmu";
reg = <0xe6152000 0x188>;
cpus = <&cpu0>, <&cpu1>;
};
|
