tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2
3%YAML 1.2
4---
5$id: "http://devicetree.org/schemas/media/qcom,sdm845-venus-v2.yaml#"
6$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,sdm845-venus-v2
20
21 reg:
22 maxItems: 1
23
24 interrupts:
25 maxItems: 1
26
27 power-domains:
28 minItems: 3
29 maxItems: 4
30
31 power-domain-names:
32 minItems: 3
33 maxItems: 4
34 items:
35 - const: venus
36 - const: vcodec0
37 - const: vcodec1
38 - const: cx
39
40 clocks:
41 maxItems: 7
42
43 clock-names:
44 items:
45 - const: core
46 - const: iface
47 - const: bus
48 - const: vcodec0_core
49 - const: vcodec0_bus
50 - const: vcodec1_core
51 - const: vcodec1_bus
52
53 iommus:
54 maxItems: 2
55
56 memory-region:
57 maxItems: 1
58
59 video-core0:
60 type: object
61
62 properties:
63 compatible:
64 const: venus-decoder
65
66 required:
67 - compatible
68
69 additionalProperties: false
70
71 video-core1:
72 type: object
73
74 properties:
75 compatible:
76 const: venus-encoder
77
78 required:
79 - compatible
80
81 additionalProperties: false
82
83 video-firmware:
84 type: object
85
86 description: |
87 Firmware subnode is needed when the platform does not
88 have TrustZone.
89
90 properties:
91 iommus:
92 maxItems: 1
93
94 required:
95 - iommus
96
97required:
98 - compatible
99 - reg
100 - interrupts
101 - power-domains
102 - power-domain-names
103 - clocks
104 - clock-names
105 - iommus
106 - memory-region
107 - video-core0
108 - video-core1
109
110additionalProperties: false
111
112examples:
113 - |
114 #include <dt-bindings/interrupt-controller/arm-gic.h>
115 #include <dt-bindings/clock/qcom,videocc-sdm845.h>
116
117 video-codec@aa00000 {
118 compatible = "qcom,sdm845-venus-v2";
119 reg = <0x0aa00000 0xff000>;
120 interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
121 clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
122 <&videocc VIDEO_CC_VENUS_AHB_CLK>,
123 <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
124 <&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
125 <&videocc VIDEO_CC_VCODEC0_AXI_CLK>,
126 <&videocc VIDEO_CC_VCODEC1_CORE_CLK>,
127 <&videocc VIDEO_CC_VCODEC1_AXI_CLK>;
128 clock-names = "core", "iface", "bus",
129 "vcodec0_core", "vcodec0_bus",
130 "vcodec1_core", "vcodec1_bus";
131 power-domains = <&videocc VENUS_GDSC>,
132 <&videocc VCODEC0_GDSC>,
133 <&videocc VCODEC1_GDSC>;
134 power-domain-names = "venus", "vcodec0", "vcodec1";
135 iommus = <&apps_smmu 0x10a0 0x8>,
136 <&apps_smmu 0x10b0 0x0>;
137 memory-region = <&venus_mem>;
138
139 video-core0 {
140 compatible = "venus-decoder";
141 };
142
143 video-core1 {
144 compatible = "venus-encoder";
145 };
146 };