1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/soc/imx/fsl,imx8mm-vpu-blk-ctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP i.MX8MM VPU blk-ctrl
8
9 maintainers:
10 - Lucas Stach <l.stach@pengutronix.de>
11
12 description:
13 The i.MX8MM VPU blk-ctrl is a top-level peripheral providing access to
14 the NoC and ensuring proper power sequencing of the VPU peripherals
15 located in the VPU domain of the SoC.
16
17 properties:
18 compatible:
19 items:
20 - const: fsl,imx8mm-vpu-blk-ctrl
21 - const: syscon
22
23 reg:
24 maxItems: 1
25
26 '#power-domain-cells':
27 const: 1
28
29 power-domains:
30 maxItems: 4
31
32 power-domain-names:
33 maxItems: 4
34
35 clocks:
36 maxItems: 3
37
38 clock-names:
39 maxItems: 3
40
41 interconnects:
42 maxItems: 3
43
44 interconnect-names:
45 maxItems: 3
46
47 required:
48 - compatible
49 - reg
50 - power-domains
51 - power-domain-names
52 - clocks
53 - clock-names
54
55 allOf:
56 - if:
57 properties:
58 compatible:
59 contains:
60 const: fsl,imx8mm-vpu-blk-ctrl
61 then:
62 properties:
63 power-domains:
64 items:
65 - description: bus power domain
66 - description: G1 decoder power domain
67 - description: G2 decoder power domain
68 - description: H1 encoder power domain
69
70 power-domain-names:
71 items:
72 - const: bus
73 - const: g1
74 - const: g2
75 - const: h1
76
77 clocks:
78 items:
79 - description: G1 decoder clk
80 - description: G2 decoder clk
81 - description: H1 encoder clk
82
83 clock-names:
84 items:
85 - const: g1
86 - const: g2
87 - const: h1
88
89 interconnects:
90 items:
91 - description: G1 decoder interconnect
92 - description: G2 decoder interconnect
93 - description: H1 encoder power domain
94
95 interconnect-names:
96 items:
97 - const: g1
98 - const: g2
99 - const: h1
100
101 - if:
102 properties:
103 compatible:
104 contains:
105 const: fsl,imx8mp-vpu-blk-ctrl
106 then:
107 properties:
108 power-domains:
109 items:
110 - description: bus power domain
111 - description: G1 decoder power domain
112 - description: G2 decoder power domain
113 - description: VC8000E encoder power domain
114
115 power-domain-names:
116 items:
117 - const: bus
118 - const: g1
119 - const: g2
120 - const: vc8000e
121
122 clocks:
123 items:
124 - description: G1 decoder clk
125 - description: G2 decoder clk
126 - description: VC8000E encoder clk
127
128 clock-names:
129 items:
130 - const: g1
131 - const: g2
132 - const: vc8000e
133
134 interconnects:
135 items:
136 - description: G1 decoder interconnect
137 - description: G2 decoder interconnect
138 - description: VC8000E encoder interconnect
139
140 interconnect-names:
141 items:
142 - const: g1
143 - const: g2
144 - const: vc8000e
145
146 additionalProperties: false
147
148 examples:
149 - |
150 #include <dt-bindings/clock/imx8mm-clock.h>
151 #include <dt-bindings/power/imx8mm-power.h>
152
153 blk-ctrl@38330000 {
154 compatible = "fsl,imx8mm-vpu-blk-ctrl", "syscon";
155 reg = <0x38330000 0x100>;
156 power-domains = <&pgc_vpumix>, <&pgc_vpu_g1>,
157 <&pgc_vpu_g2>, <&pgc_vpu_h1>;
158 power-domain-names = "bus", "g1", "g2", "h1";
159 clocks = <&clk IMX8MM_CLK_VPU_G1_ROOT>,
160 <&clk IMX8MM_CLK_VPU_G2_ROOT>,
161 <&clk IMX8MM_CLK_VPU_H1_ROOT>;
162 clock-names = "g1", "g2", "h1";
163 #power-domain-cells = <1>;
164 };
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