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
|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/media/qcom,sc7280-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 Iris2 IP is a video encode and decode accelerator present
on Qualcomm platforms
properties:
compatible:
const: qcom,sc7280-venus
reg:
maxItems: 1
interrupts:
maxItems: 1
power-domains:
minItems: 2
maxItems: 3
power-domain-names:
minItems: 2
items:
- const: venus
- const: vcodec0
- const: cx
clocks:
maxItems: 5
clock-names:
items:
- const: core
- const: bus
- const: iface
- const: vcodec_core
- const: vcodec_bus
iommus:
maxItems: 2
memory-region:
maxItems: 1
interconnects:
maxItems: 2
interconnect-names:
items:
- const: cpu-cfg
- const: video-mem
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
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
- iommus
- memory-region
- video-decoder
- video-encoder
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,videocc-sc7280.h>
#include <dt-bindings/interconnect/qcom,sc7280.h>
#include <dt-bindings/power/qcom-rpmpd.h>
venus: video-codec@aa00000 {
compatible = "qcom,sc7280-venus";
reg = <0x0aa00000 0xd0600>;
interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&videocc VIDEO_CC_MVSC_CORE_CLK>,
<&videocc VIDEO_CC_MVSC_CTL_AXI_CLK>,
<&videocc VIDEO_CC_VENUS_AHB_CLK>,
<&videocc VIDEO_CC_MVS0_CORE_CLK>,
<&videocc VIDEO_CC_MVS0_AXI_CLK>;
clock-names = "core", "bus", "iface",
"vcodec_core", "vcodec_bus";
power-domains = <&videocc MVSC_GDSC>,
<&videocc MVS0_GDSC>,
<&rpmhpd SC7280_CX>;
power-domain-names = "venus", "vcodec0", "cx";
interconnects = <&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_VENUS_CFG 0>,
<&mmss_noc MASTER_VIDEO_P0 0 &mc_virt SLAVE_EBI1 0>;
interconnect-names = "cpu-cfg", "video-mem";
iommus = <&apps_smmu 0x2180 0x20>,
<&apps_smmu 0x2184 0x20>;
memory-region = <&video_mem>;
video-decoder {
compatible = "venus-decoder";
};
video-encoder {
compatible = "venus-encoder";
};
video-firmware {
iommus = <&apps_smmu 0x21a2 0x0>;
};
};
|