1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/power/fsl,i
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Freescale i.MX General Power Controller
8
9 maintainers:
10 - Andrey Smirnov <andrew.smirnov@gmail.com>
11
12 description: |
13 The i.MX7S/D General Power Control (GPC) blo
14 Control (PGC) for various power domains.
15
16 Power domains contained within GPC node are
17 providers, documented in
18 Documentation/devicetree/bindings/power/powe
19 described as subnodes of the power gating co
20
21 IP cores belonging to a power domain should
22 property that is a phandle for PGC node repr
23
24 properties:
25 compatible:
26 enum:
27 - fsl,imx7d-gpc
28 - fsl,imx8mn-gpc
29 - fsl,imx8mq-gpc
30 - fsl,imx8mm-gpc
31 - fsl,imx8mp-gpc
32
33 reg:
34 maxItems: 1
35
36 interrupts:
37 maxItems: 1
38
39 interrupt-controller: true
40 '#interrupt-cells':
41 const: 3
42
43 pgc:
44 type: object
45 additionalProperties: false
46 description: list of power domains provide
47
48 properties:
49 '#address-cells':
50 const: 1
51
52 '#size-cells':
53 const: 0
54
55 patternProperties:
56 "power-domain@[0-9a-f]+$":
57 type: object
58 additionalProperties: false
59
60 properties:
61
62 '#power-domain-cells':
63 const: 0
64
65 reg:
66 description: |
67 Power domain index. Valid values
68 include/dt-bindings/power/imx7-p
69 include/dt-bindings/power/imx8m-
70 include/dt-bindings/power/imx8mm
71 include/dt-bindings/power/imx8mp
72 maxItems: 1
73
74 clocks:
75 description: |
76 A number of phandles to clocks t
77 power-up sequencing to ensure re
78 inside this power domain.
79 minItems: 1
80 maxItems: 5
81
82 power-supply: true
83
84 power-domains:
85 maxItems: 1
86
87 resets:
88 description: |
89 A number of phandles to resets t
90 power-up sequencing of the domai
91 located inside the power domain,
92 across the power-up sequence. So
93 reset is in a generic power-doma
94 minItems: 1
95 maxItems: 4
96
97 required:
98 - '#power-domain-cells'
99 - reg
100
101 required:
102 - '#address-cells'
103 - '#size-cells'
104
105 required:
106 - compatible
107 - reg
108 - interrupts
109 - pgc
110
111 additionalProperties: false
112
113 examples:
114 - |
115 #include <dt-bindings/interrupt-controller
116
117 gpc@303a0000 {
118 compatible = "fsl,imx7d-gpc";
119 reg = <0x303a0000 0x1000>;
120 interrupts = <GIC_SPI 87 IRQ_TYPE_LEVE
121
122 pgc {
123 #address-cells = <1>;
124 #size-cells = <0>;
125
126 pgc_mipi_phy: power-domain@0 {
127 #power-domain-cells = <0>;
128 reg = <0>;
129 power-supply = <®_1p0d>;
130 };
131
132 pgc_pcie_phy: power-domain@1 {
133 #power-domain-cells = <0>;
134 reg = <1>;
135 power-supply = <®_1p0d>;
136 };
137
138 pgc_hsic_phy: power-domain@2 {
139 #power-domain-cells = <0>;
140 reg = <2>;
141 power-supply = <®_1p2>;
142 };
143 };
144 };
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