1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/media/qcom,msm8996-venus.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Qualcomm Venus video encode and decode accelerators
maintainers:
- Stanimir Varbanov <stanimir.varbanov@linaro.org>
description: |
The Venus IP is a video encode and decode accelerator present
on Qualcomm platforms
properties:
compatible:
const: qcom,msm8996-venus
reg:
maxItems: 1
interrupts:
maxItems: 1
power-domains:
maxItems: 1
clocks:
maxItems: 4
clock-names:
items:
- const: core
- const: iface
- const: bus
- const: mbus
iommus:
maxItems: 20
memory-region:
maxItems: 1
video-decoder:
type: object
properties:
compatible:
const: venus-decoder
clocks:
maxItems: 1
clock-names:
items:
- const: core
power-domains:
maxItems: 1
required:
- compatible
- clocks
- clock-names
- power-domains
additionalProperties: false
video-encoder:
type: object
properties:
compatible:
const: venus-encoder
clocks:
maxItems: 1
clock-names:
items:
- const: core
power-domains:
maxItems: 1
required:
- compatible
- clocks
- clock-names
- power-domains
additionalProperties: false
video-firmware:
type: object
additionalProperties: false
description: |
Firmware subnode is needed when the platform does not
have TrustZone.
properties:
iommus:
maxItems: 1
required:
- iommus
required:
- compatible
- reg
- interrupts
- power-domains
- clocks
- clock-names
- iommus
- memory-region
- video-decoder
- video-encoder
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,mmcc-msm8996.h>
video-codec@c00000 {
compatible = "qcom,msm8996-venus";
reg = <0x00c00000 0xff000>;
interrupts = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mmcc VIDEO_CORE_CLK>,
<&mmcc VIDEO_AHB_CLK>,
<&mmcc VIDEO_AXI_CLK>,
<&mmcc VIDEO_MAXI_CLK>;
clock-names = "core", "iface", "bus", "mbus";
power-domains = <&mmcc VENUS_GDSC>;
iommus = <&venus_smmu 0x00>,
<&venus_smmu 0x01>,
<&venus_smmu 0x0a>,
<&venus_smmu 0x07>,
<&venus_smmu 0x0e>,
<&venus_smmu 0x0f>,
<&venus_smmu 0x08>,
<&venus_smmu 0x09>,
<&venus_smmu 0x0b>,
<&venus_smmu 0x0c>,
<&venus_smmu 0x0d>,
<&venus_smmu 0x10>,
<&venus_smmu 0x11>,
<&venus_smmu 0x21>,
<&venus_smmu 0x28>,
<&venus_smmu 0x29>,
<&venus_smmu 0x2b>,
<&venus_smmu 0x2c>,
<&venus_smmu 0x2d>,
<&venus_smmu 0x31>;
memory-region = <&venus_mem>;
video-decoder {
compatible = "venus-decoder";
clocks = <&mmcc VIDEO_SUBCORE0_CLK>;
clock-names = "core";
power-domains = <&mmcc VENUS_CORE0_GDSC>;
};
video-encoder {
compatible = "venus-encoder";
clocks = <&mmcc VIDEO_SUBCORE1_CLK>;
clock-names = "core";
power-domains = <&mmcc VENUS_CORE1_GDSC>;
};
};
|
