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