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Linux kernel mirror (for testing)
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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2
3%YAML 1.2
4---
5$id: "http://devicetree.org/schemas/media/qcom,sc7180-venus.yaml#"
6$schema: "http://devicetree.org/meta-schemas/core.yaml#"
7
8title: Qualcomm Venus video encode and decode accelerators
9
10maintainers:
11 - Stanimir Varbanov <stanimir.varbanov@linaro.org>
12
13description: |
14 The Venus IP is a video encode and decode accelerator present
15 on Qualcomm platforms
16
17properties:
18 compatible:
19 const: qcom,sc7180-venus
20
21 reg:
22 maxItems: 1
23
24 interrupts:
25 maxItems: 1
26
27 power-domains:
28 minItems: 2
29 maxItems: 3
30
31 power-domain-names:
32 minItems: 2
33 items:
34 - const: venus
35 - const: vcodec0
36 - const: cx
37
38 clocks:
39 maxItems: 5
40
41 clock-names:
42 items:
43 - const: core
44 - const: iface
45 - const: bus
46 - const: vcodec0_core
47 - const: vcodec0_bus
48
49 iommus:
50 maxItems: 1
51
52 memory-region:
53 maxItems: 1
54
55 interconnects:
56 maxItems: 2
57
58 interconnect-names:
59 items:
60 - const: video-mem
61 - const: cpu-cfg
62
63 video-decoder:
64 type: object
65
66 properties:
67 compatible:
68 const: venus-decoder
69
70 required:
71 - compatible
72
73 additionalProperties: false
74
75 video-encoder:
76 type: object
77
78 properties:
79 compatible:
80 const: venus-encoder
81
82 required:
83 - compatible
84
85 additionalProperties: false
86
87 video-firmware:
88 type: object
89 additionalProperties: false
90
91 description: |
92 Firmware subnode is needed when the platform does not
93 have TrustZone.
94
95 properties:
96 iommus:
97 maxItems: 1
98
99 required:
100 - iommus
101
102required:
103 - compatible
104 - reg
105 - interrupts
106 - power-domains
107 - power-domain-names
108 - clocks
109 - clock-names
110 - iommus
111 - memory-region
112 - video-decoder
113 - video-encoder
114
115additionalProperties: false
116
117examples:
118 - |
119 #include <dt-bindings/interrupt-controller/arm-gic.h>
120 #include <dt-bindings/clock/qcom,videocc-sc7180.h>
121
122 venus: video-codec@aa00000 {
123 compatible = "qcom,sc7180-venus";
124 reg = <0x0aa00000 0xff000>;
125 interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
126 power-domains = <&videocc VENUS_GDSC>,
127 <&videocc VCODEC0_GDSC>;
128 power-domain-names = "venus", "vcodec0";
129 clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
130 <&videocc VIDEO_CC_VENUS_AHB_CLK>,
131 <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
132 <&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
133 <&videocc VIDEO_CC_VCODEC0_AXI_CLK>;
134 clock-names = "core", "iface", "bus",
135 "vcodec0_core", "vcodec0_bus";
136 iommus = <&apps_smmu 0x0c00 0x60>;
137 memory-region = <&venus_mem>;
138
139 video-decoder {
140 compatible = "venus-decoder";
141 };
142
143 video-encoder {
144 compatible = "venus-encoder";
145 };
146 };