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,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 $ref: /schemas/types.yaml#/definitions/phandle-array 38 items: 39 maxItems: 1 40 description: | 41 Array of phandles pointing to CPU cores, which should match the order of 42 CPU cores used by the WUPCR and PSTR registers in the Advanced Power 43 Management Unit section of the device's datasheet. 44 45required: 46 - compatible 47 - reg 48 - cpus 49 50additionalProperties: false 51 52examples: 53 - | 54 apmu@e6152000 { 55 compatible = "renesas,r8a7791-apmu", "renesas,apmu"; 56 reg = <0xe6152000 0x188>; 57 cpus = <&cpu0>, <&cpu1>; 58 }; 59