1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/display/teg 4 $id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-dc.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: NVIDIA Tegra Display Controller 7 title: NVIDIA Tegra Display Controller
8 8
9 maintainers: 9 maintainers:
10 - Thierry Reding <thierry.reding@gmail.com> 10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com> 11 - Jon Hunter <jonathanh@nvidia.com>
12 12
13 properties: 13 properties:
14 $nodename: 14 $nodename:
15 pattern: "^dc@[0-9a-f]+$" 15 pattern: "^dc@[0-9a-f]+$"
16 16
17 compatible: 17 compatible:
18 oneOf: 18 oneOf:
19 - enum: 19 - enum:
20 - nvidia,tegra20-dc 20 - nvidia,tegra20-dc
21 - nvidia,tegra30-dc 21 - nvidia,tegra30-dc
22 - nvidia,tegra114-dc 22 - nvidia,tegra114-dc
23 - nvidia,tegra124-dc 23 - nvidia,tegra124-dc
24 - nvidia,tegra210-dc 24 - nvidia,tegra210-dc
25 25
26 - items: 26 - items:
27 - const: nvidia,tegra124-dc 27 - const: nvidia,tegra124-dc
28 - const: nvidia,tegra132-dc 28 - const: nvidia,tegra132-dc
29 29
30 reg: 30 reg:
31 maxItems: 1 31 maxItems: 1
32 32
33 interrupts: 33 interrupts:
34 maxItems: 1 34 maxItems: 1
35 35
36 clocks: 36 clocks:
37 minItems: 1 37 minItems: 1
38 items: 38 items:
39 - description: display controller pixel 39 - description: display controller pixel clock
40 - description: parent clock # optional 40 - description: parent clock # optional
41 41
42 clock-names: 42 clock-names:
43 minItems: 1 43 minItems: 1
44 items: 44 items:
45 - const: dc 45 - const: dc
46 - const: parent # optional 46 - const: parent # optional
47 47
48 resets: 48 resets:
49 items: 49 items:
50 - description: module reset 50 - description: module reset
51 51
52 reset-names: 52 reset-names:
53 items: 53 items:
54 - const: dc 54 - const: dc
55 55
56 interconnect-names: true 56 interconnect-names: true
57 interconnects: true 57 interconnects: true
58 58
59 iommus: 59 iommus:
60 maxItems: 1 60 maxItems: 1
61 61
62 operating-points-v2: true 62 operating-points-v2: true
63 63
64 power-domains: 64 power-domains:
65 items: 65 items:
66 - description: phandle to the core power 66 - description: phandle to the core power domain
67 67
68 memory-region: true 68 memory-region: true
69 69
70 nvidia,head: 70 nvidia,head:
71 $ref: /schemas/types.yaml#/definitions/uin 71 $ref: /schemas/types.yaml#/definitions/uint32
72 description: The number of the display con 72 description: The number of the display controller head. This is used to setup the various
73 types of output to receive video data fr 73 types of output to receive video data from the given head.
74 74
75 nvidia,outputs: 75 nvidia,outputs:
76 $ref: /schemas/types.yaml#/definitions/pha 76 $ref: /schemas/types.yaml#/definitions/phandle-array
77 description: A list of phandles of outputs 77 description: A list of phandles of outputs that this display controller can drive.
78 78
79 rgb: 79 rgb:
80 type: object 80 type: object
81 81
82 allOf: 82 allOf:
83 - if: 83 - if:
84 properties: 84 properties:
85 compatible: 85 compatible:
86 contains: 86 contains:
87 enum: 87 enum:
88 - nvidia,tegra20-dc 88 - nvidia,tegra20-dc
89 - nvidia,tegra30-dc 89 - nvidia,tegra30-dc
90 - nvidia,tegra114-dc 90 - nvidia,tegra114-dc
91 then: 91 then:
92 properties: 92 properties:
93 interconnects: 93 interconnects:
94 items: 94 items:
95 - description: window A memory cli 95 - description: window A memory client
96 - description: window B memory cli 96 - description: window B memory client
97 - description: window B memory cli 97 - description: window B memory client (vertical filter)
98 - description: window C memory cli 98 - description: window C memory client
99 - description: cursor memory clien 99 - description: cursor memory client
100 100
101 interconnect-names: 101 interconnect-names:
102 items: 102 items:
103 - const: wina 103 - const: wina
104 - const: winb 104 - const: winb
105 - const: winb-vfilter 105 - const: winb-vfilter
106 - const: winc 106 - const: winc
107 - const: cursor 107 - const: cursor
108 108
109 rgb: 109 rgb:
110 description: Each display controller 110 description: Each display controller node has a child node, named "rgb", that represents
111 the RGB output associated with the 111 the RGB output associated with the controller.
112 type: object 112 type: object
113 properties: 113 properties:
114 nvidia,ddc-i2c-bus: 114 nvidia,ddc-i2c-bus:
115 $ref: /schemas/types.yaml#/defin 115 $ref: /schemas/types.yaml#/definitions/phandle
116 description: phandle of an I2C c 116 description: phandle of an I2C controller used for DDC EDID probing
117 117
118 nvidia,hpd-gpio: 118 nvidia,hpd-gpio:
119 description: specifies a GPIO us 119 description: specifies a GPIO used for hotplug detection
120 maxItems: 1 120 maxItems: 1
121 121
122 nvidia,edid: 122 nvidia,edid:
123 $ref: /schemas/types.yaml#/defin 123 $ref: /schemas/types.yaml#/definitions/uint8-array
124 description: supplies a binary E 124 description: supplies a binary EDID blob
125 125
126 nvidia,panel: 126 nvidia,panel:
127 $ref: /schemas/types.yaml#/defin 127 $ref: /schemas/types.yaml#/definitions/phandle
128 description: phandle of a displa 128 description: phandle of a display panel
129 129
130 - if: 130 - if:
131 properties: 131 properties:
132 compatible: 132 compatible:
133 contains: 133 contains:
134 enum: 134 enum:
135 - nvidia,tegra124-dc 135 - nvidia,tegra124-dc
136 then: 136 then:
137 properties: 137 properties:
138 interconnects: 138 interconnects:
139 minItems: 4 139 minItems: 4
140 items: 140 items:
141 - description: window A memory cli 141 - description: window A memory client
142 - description: window B memory cli 142 - description: window B memory client
143 - description: window C memory cli 143 - description: window C memory client
144 - description: cursor memory clien 144 - description: cursor memory client
145 - description: window D memory cli 145 - description: window D memory client
146 - description: window T memory cli 146 - description: window T memory client
147 147
148 interconnect-names: 148 interconnect-names:
149 minItems: 4 149 minItems: 4
150 items: 150 items:
151 - const: wina 151 - const: wina
152 - const: winb 152 - const: winb
153 - const: winc 153 - const: winc
154 - const: cursor 154 - const: cursor
155 - const: wind 155 - const: wind
156 - const: wint 156 - const: wint
157 157
158 additionalProperties: false 158 additionalProperties: false
159 159
160 required: 160 required:
161 - compatible 161 - compatible
162 - reg 162 - reg
163 - interrupts 163 - interrupts
164 - clocks 164 - clocks
165 - clock-names 165 - clock-names
166 - resets 166 - resets
167 - reset-names 167 - reset-names
168 168
169 examples: 169 examples:
170 - | 170 - |
171 #include <dt-bindings/clock/tegra20-car.h> 171 #include <dt-bindings/clock/tegra20-car.h>
172 #include <dt-bindings/interrupt-controller 172 #include <dt-bindings/interrupt-controller/arm-gic.h>
173 173
174 dc@54200000 { 174 dc@54200000 {
175 compatible = "nvidia,tegra20-dc"; 175 compatible = "nvidia,tegra20-dc";
176 reg = <0x54200000 0x00040000>; 176 reg = <0x54200000 0x00040000>;
177 interrupts = <GIC_SPI 73 IRQ_TYPE_LEVE 177 interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
178 clocks = <&tegra_car TEGRA20_CLK_DISP1 178 clocks = <&tegra_car TEGRA20_CLK_DISP1>;
179 clock-names = "dc"; 179 clock-names = "dc";
180 resets = <&tegra_car 27>; 180 resets = <&tegra_car 27>;
181 reset-names = "dc"; 181 reset-names = "dc";
182 }; 182 };
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