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,sysc-rmobile.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Renesas R-Mobile System Controller 7 title: Renesas R-Mobile System Controller
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 The R-Mobile System Controller provides the 14 The R-Mobile System Controller provides the following functions:
15 - Boot mode management, 15 - Boot mode management,
16 - Reset generation, 16 - Reset generation,
17 - Power management. 17 - Power management.
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 items: 21 items:
22 - enum: 22 - enum:
23 - renesas,sysc-r8a73a4 # R-Mobile 23 - renesas,sysc-r8a73a4 # R-Mobile APE6
24 - renesas,sysc-r8a7740 # R-Mobile 24 - renesas,sysc-r8a7740 # R-Mobile A1
25 - renesas,sysc-sh73a0 # SH-Mobil 25 - renesas,sysc-sh73a0 # SH-Mobile AG5
26 - const: renesas,sysc-rmobile # Generic 26 - const: renesas,sysc-rmobile # Generic SH/R-Mobile
27 27
28 reg: 28 reg:
29 items: 29 items:
30 - description: Normally accessible regis 30 - description: Normally accessible register block
31 - description: Register block protected 31 - description: Register block protected by the HPB semaphore
32 32
33 pm-domains: 33 pm-domains:
34 type: object 34 type: object
35 description: | 35 description: |
36 This node contains a hierarchy of PM dom 36 This node contains a hierarchy of PM domain nodes, which should match the
37 Power Area Hierarchy in the Power Domain 37 Power Area Hierarchy in the Power Domain Specifications section of the
38 device's datasheet. 38 device's datasheet.
39 39
40 properties: 40 properties:
41 '#address-cells': 41 '#address-cells':
42 const: 1 42 const: 1
43 43
44 '#size-cells': 44 '#size-cells':
45 const: 0 45 const: 0
46 46
47 additionalProperties: 47 additionalProperties:
48 $ref: "#/$defs/pd-node" 48 $ref: "#/$defs/pd-node"
49 49
50 required: 50 required:
51 - compatible 51 - compatible
52 - reg 52 - reg
53 - pm-domains 53 - pm-domains
54 54
55 additionalProperties: false 55 additionalProperties: false
56 56
57 $defs: 57 $defs:
58 pd-node: 58 pd-node:
59 type: object 59 type: object
60 description: 60 description:
61 PM domain node representing a PM domain. 61 PM domain node representing a PM domain. This node should be named by
62 the real power area name, and thus its n 62 the real power area name, and thus its name should be unique.
63 63
64 properties: 64 properties:
65 reg: 65 reg:
66 maxItems: 1 66 maxItems: 1
67 description: 67 description:
68 If the PM domain is not always-on, t 68 If the PM domain is not always-on, this property must contain the
69 bit index number for the correspondi 69 bit index number for the corresponding power area in the various
70 Power Control and Status Registers. 70 Power Control and Status Registers.
71 If the PM domain is always-on, this 71 If the PM domain is always-on, this property must be omitted.
72 72
73 '#address-cells': 73 '#address-cells':
74 const: 1 74 const: 1
75 75
76 '#size-cells': 76 '#size-cells':
77 const: 0 77 const: 0
78 78
79 '#power-domain-cells': 79 '#power-domain-cells':
80 const: 0 80 const: 0
81 81
82 required: 82 required:
83 - '#power-domain-cells' 83 - '#power-domain-cells'
84 84
85 additionalProperties: 85 additionalProperties:
86 $ref: "#/$defs/pd-node" 86 $ref: "#/$defs/pd-node"
87 87
88 examples: 88 examples:
89 - | 89 - |
90 // This shows a subset of the r8a7740 PM d 90 // This shows a subset of the r8a7740 PM domain hierarchy, containing the
91 // C5 "always-on" domain, 2 of its subdoma 91 // C5 "always-on" domain, 2 of its subdomains (A4S and A4SU), and the A3SP
92 // domain, which is a subdomain of A4S. 92 // domain, which is a subdomain of A4S.
93 sysc: system-controller@e6180000 { 93 sysc: system-controller@e6180000 {
94 compatible = "renesas,sysc-r8a7740 94 compatible = "renesas,sysc-r8a7740", "renesas,sysc-rmobile";
95 reg = <0xe6180000 0x8000>, <0xe618 95 reg = <0xe6180000 0x8000>, <0xe6188000 0x8000>;
96 96
97 pm-domains { 97 pm-domains {
98 pd_c5: c5 { 98 pd_c5: c5 {
99 #address-cells = < 99 #address-cells = <1>;
100 #size-cells = <0>; 100 #size-cells = <0>;
101 #power-domain-cell 101 #power-domain-cells = <0>;
102 102
103 pd_a4s: a4s@10 { 103 pd_a4s: a4s@10 {
104 reg = <10> 104 reg = <10>;
105 #address-c 105 #address-cells = <1>;
106 #size-cell 106 #size-cells = <0>;
107 #power-dom 107 #power-domain-cells = <0>;
108 108
109 pd_a3sp: a 109 pd_a3sp: a3sp@11 {
110 re 110 reg = <11>;
111 #p 111 #power-domain-cells = <0>;
112 }; 112 };
113 }; 113 };
114 114
115 pd_a4su: a4su@20 { 115 pd_a4su: a4su@20 {
116 reg = <20> 116 reg = <20>;
117 #power-dom 117 #power-domain-cells = <0>;
118 }; 118 };
119 }; 119 };
120 }; 120 };
121 }; 121 };
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