1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/arm/apple/apple,pmgr.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Apple SoC Power Manager (PMGR)
8
9 maintainers:
10 - Hector Martin <marcan@marcan.st>
11
12 description: |
13 Apple SoCs include PMGR blocks responsible for power management,
14 which can control various clocks, resets, power states, and
15 performance features. This node represents the PMGR as a syscon,
16 with sub-nodes representing individual features.
17
18 properties:
19 $nodename:
20 pattern: "^power-management@[0-9a-f]+$"
21
22 compatible:
23 items:
24 - enum:
25 - apple,t8103-pmgr
26 - apple,t8112-pmgr
27 - apple,t6000-pmgr
28 - const: apple,pmgr
29 - const: syscon
30 - const: simple-mfd
31
32 reg:
33 maxItems: 1
34
35 "#address-cells":
36 const: 1
37
38 "#size-cells":
39 const: 1
40
41 patternProperties:
42 "power-controller@[0-9a-f]+$":
43 description:
44 The individual power management domains within this controller
45 type: object
46 $ref: /schemas/power/apple,pmgr-pwrstate.yaml#
47
48 required:
49 - compatible
50 - reg
51
52 additionalProperties: false
53
54 examples:
55 - |
56 soc {
57 #address-cells = <2>;
58 #size-cells = <2>;
59
60 power-management@23b700000 {
61 compatible = "apple,t8103-pmgr", "apple,pmgr", "syscon", "simple-mfd";
62 #address-cells = <1>;
63 #size-cells = <1>;
64 reg = <0x2 0x3b700000 0x0 0x14000>;
65
66 ps_sio: power-controller@1c0 {
67 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
68 reg = <0x1c0 8>;
69 #power-domain-cells = <0>;
70 #reset-cells = <0>;
71 label = "sio";
72 apple,always-on;
73 };
74
75 ps_uart_p: power-controller@220 {
76 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
77 reg = <0x220 8>;
78 #power-domain-cells = <0>;
79 #reset-cells = <0>;
80 label = "uart_p";
81 power-domains = <&ps_sio>;
82 };
83
84 ps_uart0: power-controller@270 {
85 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
86 reg = <0x270 8>;
87 #power-domain-cells = <0>;
88 #reset-cells = <0>;
89 label = "uart0";
90 power-domains = <&ps_uart_p>;
91 };
92 };
93
94 power-management@23d280000 {
95 compatible = "apple,t8103-pmgr", "apple,pmgr", "syscon", "simple-mfd";
96 #address-cells = <1>;
97 #size-cells = <1>;
98 reg = <0x2 0x3d280000 0x0 0xc000>;
99
100 ps_aop_filter: power-controller@4000 {
101 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
102 reg = <0x4000 8>;
103 #power-domain-cells = <0>;
104 #reset-cells = <0>;
105 label = "aop_filter";
106 };
107
108 ps_aop_base: power-controller@4010 {
109 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
110 reg = <0x4010 8>;
111 #power-domain-cells = <0>;
112 #reset-cells = <0>;
113 label = "aop_base";
114 power-domains = <&ps_aop_filter>;
115 };
116
117 ps_aop_shim: power-controller@4038 {
118 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
119 reg = <0x4038 8>;
120 #power-domain-cells = <0>;
121 #reset-cells = <0>;
122 label = "aop_shim";
123 power-domains = <&ps_aop_base>;
124 };
125
126 ps_aop_uart0: power-controller@4048 {
127 compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";
128 reg = <0x4048 8>;
129 #power-domain-cells = <0>;
130 #reset-cells = <0>;
131 label = "aop_uart0";
132 power-domains = <&ps_aop_shim>;
133 };
134 };
135 };
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