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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/dpu-sdm845.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Display DPU dt properties for SDM845 target
maintainers:
- Krishna Manikandan <quic_mkrishn@quicinc.com>
description: |
Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates
sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree
bindings of MDSS and DPU are mentioned for SDM845 target.
properties:
compatible:
items:
- const: qcom,sdm845-mdss
reg:
maxItems: 1
reg-names:
const: mdss
power-domains:
maxItems: 1
clocks:
items:
- description: Display AHB clock from gcc
- description: Display core clock
clock-names:
items:
- const: iface
- const: core
interrupts:
maxItems: 1
interrupt-controller: true
"#address-cells": true
"#size-cells": true
"#interrupt-cells":
const: 1
iommus:
items:
- description: Phandle to apps_smmu node with SID mask for Hard-Fail port0
- description: Phandle to apps_smmu node with SID mask for Hard-Fail port1
ranges: true
resets:
items:
- description: MDSS_CORE reset
patternProperties:
"^display-controller@[0-9a-f]+$":
type: object
description: Node containing the properties of DPU.
additionalProperties: false
properties:
compatible:
items:
- const: qcom,sdm845-dpu
reg:
items:
- description: Address offset and size for mdp register set
- description: Address offset and size for vbif register set
reg-names:
items:
- const: mdp
- const: vbif
clocks:
items:
- description: Display ahb clock
- description: Display axi clock
- description: Display core clock
- description: Display vsync clock
clock-names:
items:
- const: iface
- const: bus
- const: core
- const: vsync
interrupts:
maxItems: 1
power-domains:
maxItems: 1
operating-points-v2: true
opp-table:
type: object
ports:
$ref: /schemas/graph.yaml#/properties/ports
description: |
Contains the list of output ports from DPU device. These ports
connect to interfaces that are external to the DPU hardware,
such as DSI, DP etc. Each output port contains an endpoint that
describes how it is connected to an external interface.
properties:
port@0:
$ref: /schemas/graph.yaml#/properties/port
description: DPU_INTF1 (DSI1)
port@1:
$ref: /schemas/graph.yaml#/properties/port
description: DPU_INTF2 (DSI2)
required:
- port@0
- port@1
required:
- compatible
- reg
- reg-names
- clocks
- interrupts
- power-domains
- operating-points-v2
- ports
required:
- compatible
- reg
- reg-names
- power-domains
- clocks
- interrupts
- interrupt-controller
- iommus
- ranges
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,dispcc-sdm845.h>
#include <dt-bindings/clock/qcom,gcc-sdm845.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom-rpmpd.h>
display-subsystem@ae00000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "qcom,sdm845-mdss";
reg = <0x0ae00000 0x1000>;
reg-names = "mdss";
power-domains = <&dispcc MDSS_GDSC>;
clocks = <&gcc GCC_DISP_AHB_CLK>,
<&dispcc DISP_CC_MDSS_MDP_CLK>;
clock-names = "iface", "core";
interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <1>;
iommus = <&apps_smmu 0x880 0x8>,
<&apps_smmu 0xc80 0x8>;
ranges;
display-controller@ae01000 {
compatible = "qcom,sdm845-dpu";
reg = <0x0ae01000 0x8f000>,
<0x0aeb0000 0x2008>;
reg-names = "mdp", "vbif";
clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
<&dispcc DISP_CC_MDSS_AXI_CLK>,
<&dispcc DISP_CC_MDSS_MDP_CLK>,
<&dispcc DISP_CC_MDSS_VSYNC_CLK>;
clock-names = "iface", "bus", "core", "vsync";
interrupt-parent = <&mdss>;
interrupts = <0>;
power-domains = <&rpmhpd SDM845_CX>;
operating-points-v2 = <&mdp_opp_table>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
dpu_intf1_out: endpoint {
remote-endpoint = <&dsi0_in>;
};
};
port@1 {
reg = <1>;
dpu_intf2_out: endpoint {
remote-endpoint = <&dsi1_in>;
};
};
};
};
};
...
|
