Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |