renesas,sysc-rmobile.yaml (3495B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/power/renesas,sysc-rmobile.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Renesas R-Mobile System Controller 8 9maintainers: 10 - Geert Uytterhoeven <geert+renesas@glider.be> 11 - Magnus Damm <magnus.damm@gmail.com> 12 13description: | 14 The R-Mobile System Controller provides the following functions: 15 - Boot mode management, 16 - Reset generation, 17 - Power management. 18 19properties: 20 compatible: 21 items: 22 - enum: 23 - renesas,sysc-r8a73a4 # R-Mobile APE6 24 - renesas,sysc-r8a7740 # R-Mobile A1 25 - renesas,sysc-sh73a0 # SH-Mobile AG5 26 - const: renesas,sysc-rmobile # Generic SH/R-Mobile 27 28 reg: 29 items: 30 - description: Normally accessible register block 31 - description: Register block protected by the HPB semaphore 32 33 pm-domains: 34 type: object 35 description: | 36 This node contains a hierarchy of PM domain nodes, which should match the 37 Power Area Hierarchy in the Power Domain Specifications section of the 38 device's datasheet. 39 40 properties: 41 '#address-cells': 42 const: 1 43 44 '#size-cells': 45 const: 0 46 47 additionalProperties: 48 $ref: "#/$defs/pd-node" 49 50required: 51 - compatible 52 - reg 53 - pm-domains 54 55additionalProperties: false 56 57$defs: 58 pd-node: 59 type: object 60 description: 61 PM domain node representing a PM domain. This node hould be named by 62 the real power area name, and thus its name should be unique. 63 64 properties: 65 reg: 66 maxItems: 1 67 description: 68 If the PM domain is not always-on, this property must contain the 69 bit index number for the corresponding power area in the various 70 Power Control and Status Registers. 71 If the PM domain is always-on, this property must be omitted. 72 73 '#address-cells': 74 const: 1 75 76 '#size-cells': 77 const: 0 78 79 '#power-domain-cells': 80 const: 0 81 82 required: 83 - '#power-domain-cells' 84 85 additionalProperties: 86 $ref: "#/$defs/pd-node" 87 88examples: 89 - | 90 // This shows a subset of the r8a7740 PM domain hierarchy, containing the 91 // C5 "always-on" domain, 2 of its subdomains (A4S and A4SU), and the A3SP 92 // domain, which is a subdomain of A4S. 93 sysc: system-controller@e6180000 { 94 compatible = "renesas,sysc-r8a7740", "renesas,sysc-rmobile"; 95 reg = <0xe6180000 0x8000>, <0xe6188000 0x8000>; 96 97 pm-domains { 98 pd_c5: c5 { 99 #address-cells = <1>; 100 #size-cells = <0>; 101 #power-domain-cells = <0>; 102 103 pd_a4s: a4s@10 { 104 reg = <10>; 105 #address-cells = <1>; 106 #size-cells = <0>; 107 #power-domain-cells = <0>; 108 109 pd_a3sp: a3sp@11 { 110 reg = <11>; 111 #power-domain-cells = <0>; 112 }; 113 }; 114 115 pd_a4su: a4su@20 { 116 reg = <20>; 117 #power-domain-cells = <0>; 118 }; 119 }; 120 }; 121 };