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
|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/media/qcom,sm8250-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,sm8250-venus
reg:
maxItems: 1
interrupts:
maxItems: 1
power-domains:
minItems: 2
maxItems: 3
power-domain-names:
minItems: 2
items:
- const: venus
- const: vcodec0
- const: mx
clocks:
maxItems: 3
clock-names:
items:
- const: iface
- const: core
- const: vcodec0_core
iommus:
maxItems: 1
memory-region:
maxItems: 1
interconnects:
maxItems: 2
interconnect-names:
items:
- const: cpu-cfg
- const: video-mem
resets:
maxItems: 2
reset-names:
items:
- const: bus
- const: core
video-decoder:
type: object
properties:
compatible:
const: venus-decoder
required:
- compatible
additionalProperties: false
video-encoder:
type: object
properties:
compatible:
const: venus-encoder
required:
- compatible
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
- power-domain-names
- clocks
- clock-names
- interconnects
- interconnect-names
- iommus
- memory-region
- resets
- reset-names
- video-decoder
- video-encoder
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,videocc-sm8250.h>
#include <dt-bindings/interconnect/qcom,sm8250.h>
#include <dt-bindings/clock/qcom,gcc-sm8250.h>
#include <dt-bindings/power/qcom-rpmpd.h>
venus: video-codec@aa00000 {
compatible = "qcom,sm8250-venus";
reg = <0x0aa00000 0xff000>;
interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
power-domains = <&videocc MVS0C_GDSC>,
<&videocc MVS0_GDSC>,
<&rpmhpd SM8250_MX>;
power-domain-names = "venus", "vcodec0", "mx";
clocks = <&gcc GCC_VIDEO_AXI0_CLK>,
<&videocc VIDEO_CC_MVS0C_CLK>,
<&videocc VIDEO_CC_MVS0_CLK>;
clock-names = "iface", "core", "vcodec0_core";
interconnects = <&gem_noc MASTER_AMPSS_M0 &config_noc SLAVE_VENUS_CFG>,
<&mmss_noc MASTER_VIDEO_P0 &mc_virt SLAVE_EBI_CH0>;
interconnect-names = "cpu-cfg", "video-mem";
iommus = <&apps_smmu 0x2100 0x0400>;
memory-region = <&video_mem>;
resets = <&gcc GCC_VIDEO_AXI0_CLK_ARES>,
<&videocc VIDEO_CC_MVS0C_CLK_ARES>;
reset-names = "bus", "core";
video-decoder {
compatible = "venus-decoder";
};
video-encoder {
compatible = "venus-encoder";
};
};
|