1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/bridge/toshiba,tc358767.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Toshiba TC358767/TC358867/TC9595 DSI/DPI/eDP bridge
8
9 maintainers:
10 - Andrey Gusakov <andrey.gusakov@cogentembedded.com>
11
12 description: |
13 The TC358767/TC358867/TC9595 is bridge device which
14 converts DSI/DPI to eDP/DP .
15
16 properties:
17 compatible:
18 oneOf:
19 - items:
20 - enum:
21 - toshiba,tc358867
22 - toshiba,tc9595
23 - const: toshiba,tc358767
24 - const: toshiba,tc358767
25
26 reg:
27 enum:
28 - 0x0f
29 - 0x68
30 description: |
31 i2c address of the bridge, 0x68 or 0x0f, depending on bootstrap pins
32
33 clock-names:
34 const: ref
35
36 clocks:
37 maxItems: 1
38 description: |
39 OF device-tree clock specification for refclk input. The reference.
40 clock rate must be 13 MHz, 19.2 MHz, 26 MHz, or 38.4 MHz.
41
42 shutdown-gpios:
43 maxItems: 1
44 description: |
45 OF device-tree gpio specification for SD pin(active high shutdown input)
46
47 reset-gpios:
48 maxItems: 1
49 description: |
50 OF device-tree gpio specification for RSTX pin(active low system reset)
51
52 interrupts:
53 maxItems: 1
54
55 toshiba,hpd-pin:
56 $ref: /schemas/types.yaml#/definitions/uint32
57 enum:
58 - 0
59 - 1
60 description: TC358767 GPIO pin number to which HPD is connected to (0 or 1)
61
62 ports:
63 $ref: /schemas/graph.yaml#/properties/ports
64
65 properties:
66 port@0:
67 $ref: /schemas/graph.yaml#/$defs/port-base
68 unevaluatedProperties: false
69 description: |
70 DSI input port. The remote endpoint phandle should be a
71 reference to a valid DSI output endpoint node
72
73 properties:
74 endpoint:
75 $ref: /schemas/media/video-interfaces.yaml#
76 unevaluatedProperties: false
77
78 properties:
79 data-lanes:
80 description: array of physical DSI data lane indexes.
81 minItems: 1
82 items:
83 - const: 1
84 - const: 2
85 - const: 3
86 - const: 4
87
88 port@1:
89 $ref: /schemas/graph.yaml#/properties/port
90 description: |
91 DPI input/output port. The remote endpoint phandle should be a
92 reference to a valid DPI output or input endpoint node.
93
94 port@2:
95 $ref: /schemas/graph.yaml#/$defs/port-base
96 unevaluatedProperties: false
97 description: |
98 eDP/DP output port. The remote endpoint phandle should be a
99 reference to a valid eDP panel input endpoint node. This port is
100 optional, treated as DP panel if not defined
101
102 properties:
103 endpoint:
104 $ref: /schemas/media/video-interfaces.yaml#
105 unevaluatedProperties: false
106
107 properties:
108 toshiba,pre-emphasis:
109 description:
110 Display port output Pre-Emphasis settings for both DP lanes.
111 $ref: /schemas/types.yaml#/definitions/uint8-array
112 minItems: 2
113 maxItems: 2
114 items:
115 enum:
116 - 0 # No pre-emphasis
117 - 1 # 3.5dB pre-emphasis
118 - 2 # 6dB pre-emphasis
119
120 oneOf:
121 - required:
122 - port@0
123 - required:
124 - port@1
125
126
127 required:
128 - compatible
129 - reg
130 - clock-names
131 - clocks
132 - ports
133
134 additionalProperties: false
135
136 examples:
137 - |
138 #include <dt-bindings/gpio/gpio.h>
139
140 /* DPI input and eDP output */
141
142 i2c {
143 #address-cells = <1>;
144 #size-cells = <0>;
145
146 edp-bridge@68 {
147 compatible = "toshiba,tc358767";
148 reg = <0x68>;
149 shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
150 reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
151 clock-names = "ref";
152 clocks = <&edp_refclk>;
153
154 ports {
155 #address-cells = <1>;
156 #size-cells = <0>;
157
158 port@1 {
159 reg = <1>;
160
161 bridge_in_0: endpoint {
162 remote-endpoint = <&dpi_out>;
163 };
164 };
165
166 port@2 {
167 reg = <2>;
168
169 bridge_out: endpoint {
170 remote-endpoint = <&panel_in>;
171 };
172 };
173 };
174 };
175 };
176 - |
177 /* DPI input and DP output */
178
179 i2c {
180 #address-cells = <1>;
181 #size-cells = <0>;
182
183 edp-bridge@68 {
184 compatible = "toshiba,tc358767";
185 reg = <0x68>;
186 shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
187 reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
188 clock-names = "ref";
189 clocks = <&edp_refclk>;
190
191 ports {
192 #address-cells = <1>;
193 #size-cells = <0>;
194
195 port@1 {
196 reg = <1>;
197
198 bridge_in_1: endpoint {
199 remote-endpoint = <&dpi_out>;
200 };
201 };
202 };
203 };
204 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.