xref: /linux/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-vpu-blk-ctrl.yaml (revision 1ac731c529cd4d6adbce134754b51ff7d822b145) 
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
7title: NXP i.MX8MM VPU blk-ctrl
8
9maintainers:
10  - Lucas Stach <l.stach@pengutronix.de>
11
12description:
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
17properties:
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
47required:
48  - compatible
49  - reg
50  - power-domains
51  - power-domain-names
52  - clocks
53  - clock-names
54
55allOf:
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
146additionalProperties: false
147
148examples:
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    };
165