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/bri 4 $id: http://devicetree.org/schemas/display/bridge/toshiba,tc358767.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Toshiba TC358767/TC358867/TC9595 DSI/DP 7 title: Toshiba TC358767/TC358867/TC9595 DSI/DPI/eDP bridge
8 8
9 maintainers: 9 maintainers:
10 - Andrey Gusakov <andrey.gusakov@cogentembedd 10 - Andrey Gusakov <andrey.gusakov@cogentembedded.com>
11 11
12 description: | 12 description: |
13 The TC358767/TC358867/TC9595 is bridge devic 13 The TC358767/TC358867/TC9595 is bridge device which
14 converts DSI/DPI to eDP/DP . 14 converts DSI/DPI to eDP/DP .
15 15
16 properties: 16 properties:
17 compatible: 17 compatible:
18 oneOf: 18 oneOf:
19 - items: 19 - items:
20 - enum: 20 - enum:
21 - toshiba,tc358867 21 - toshiba,tc358867
22 - toshiba,tc9595 22 - toshiba,tc9595
23 - const: toshiba,tc358767 23 - const: toshiba,tc358767
24 - const: toshiba,tc358767 24 - const: toshiba,tc358767
25 25
26 reg: 26 reg:
27 enum: 27 enum:
28 - 0x0f 28 - 0x0f
29 - 0x68 29 - 0x68
30 description: | 30 description: |
31 i2c address of the bridge, 0x68 or 0x0 31 i2c address of the bridge, 0x68 or 0x0f, depending on bootstrap pins
32 32
33 clock-names: 33 clock-names:
34 const: ref 34 const: ref
35 35
36 clocks: 36 clocks:
37 maxItems: 1 37 maxItems: 1
38 description: | 38 description: |
39 OF device-tree clock specification for 39 OF device-tree clock specification for refclk input. The reference.
40 clock rate must be 13 MHz, 19.2 MHz, 2 40 clock rate must be 13 MHz, 19.2 MHz, 26 MHz, or 38.4 MHz.
41 41
42 shutdown-gpios: 42 shutdown-gpios:
43 maxItems: 1 43 maxItems: 1
44 description: | 44 description: |
45 OF device-tree gpio specification for 45 OF device-tree gpio specification for SD pin(active high shutdown input)
46 46
47 reset-gpios: 47 reset-gpios:
48 maxItems: 1 48 maxItems: 1
49 description: | 49 description: |
50 OF device-tree gpio specification for 50 OF device-tree gpio specification for RSTX pin(active low system reset)
51 51
52 interrupts: 52 interrupts:
53 maxItems: 1 53 maxItems: 1
54 54
55 toshiba,hpd-pin: 55 toshiba,hpd-pin:
56 $ref: /schemas/types.yaml#/definitions/uin 56 $ref: /schemas/types.yaml#/definitions/uint32
57 enum: 57 enum:
58 - 0 58 - 0
59 - 1 59 - 1
60 description: TC358767 GPIO pin number to w 60 description: TC358767 GPIO pin number to which HPD is connected to (0 or 1)
61 61
62 ports: 62 ports:
63 $ref: /schemas/graph.yaml#/properties/port 63 $ref: /schemas/graph.yaml#/properties/ports
64 64
65 properties: 65 properties:
66 port@0: 66 port@0:
67 $ref: /schemas/graph.yaml#/$defs/port- 67 $ref: /schemas/graph.yaml#/$defs/port-base
68 unevaluatedProperties: false 68 unevaluatedProperties: false
69 description: | 69 description: |
70 DSI input port. The remote endpoin 70 DSI input port. The remote endpoint phandle should be a
71 reference to a valid DSI output en 71 reference to a valid DSI output endpoint node
72 72
73 properties: 73 properties:
74 endpoint: 74 endpoint:
75 $ref: /schemas/media/video-interfa 75 $ref: /schemas/media/video-interfaces.yaml#
76 unevaluatedProperties: false 76 unevaluatedProperties: false
77 77
78 properties: 78 properties:
79 data-lanes: 79 data-lanes:
80 description: array of physical 80 description: array of physical DSI data lane indexes.
81 minItems: 1 81 minItems: 1
82 items: 82 items:
83 - const: 1 83 - const: 1
84 - const: 2 84 - const: 2
85 - const: 3 85 - const: 3
86 - const: 4 86 - const: 4
87 87
88 port@1: 88 port@1:
89 $ref: /schemas/graph.yaml#/properties/ 89 $ref: /schemas/graph.yaml#/properties/port
90 description: | 90 description: |
91 DPI input/output port. The remote 91 DPI input/output port. The remote endpoint phandle should be a
92 reference to a valid DPI output or 92 reference to a valid DPI output or input endpoint node.
93 93
94 port@2: 94 port@2:
95 $ref: /schemas/graph.yaml#/$defs/port- 95 $ref: /schemas/graph.yaml#/$defs/port-base
96 unevaluatedProperties: false 96 unevaluatedProperties: false
97 description: | 97 description: |
98 eDP/DP output port. The remote end 98 eDP/DP output port. The remote endpoint phandle should be a
99 reference to a valid eDP panel inp 99 reference to a valid eDP panel input endpoint node. This port is
100 optional, treated as DP panel if n 100 optional, treated as DP panel if not defined
101 101
102 properties: 102 properties:
103 endpoint: 103 endpoint:
104 $ref: /schemas/media/video-interfa 104 $ref: /schemas/media/video-interfaces.yaml#
105 unevaluatedProperties: false 105 unevaluatedProperties: false
106 106
107 properties: 107 properties:
108 toshiba,pre-emphasis: 108 toshiba,pre-emphasis:
109 description: 109 description:
110 Display port output Pre-Emph 110 Display port output Pre-Emphasis settings for both DP lanes.
111 $ref: /schemas/types.yaml#/def 111 $ref: /schemas/types.yaml#/definitions/uint8-array
112 minItems: 2 112 minItems: 2
113 maxItems: 2 113 maxItems: 2
114 items: 114 items:
115 enum: 115 enum:
116 - 0 # No pre-emphasis 116 - 0 # No pre-emphasis
117 - 1 # 3.5dB pre-emphasis 117 - 1 # 3.5dB pre-emphasis
118 - 2 # 6dB pre-emphasis 118 - 2 # 6dB pre-emphasis
119 119
120 oneOf: 120 oneOf:
121 - required: 121 - required:
122 - port@0 122 - port@0
123 - required: 123 - required:
124 - port@1 124 - port@1
125 125
126 126
127 required: 127 required:
128 - compatible 128 - compatible
129 - reg 129 - reg
130 - clock-names 130 - clock-names
131 - clocks 131 - clocks
132 - ports 132 - ports
133 133
134 additionalProperties: false 134 additionalProperties: false
135 135
136 examples: 136 examples:
137 - | 137 - |
138 #include <dt-bindings/gpio/gpio.h> 138 #include <dt-bindings/gpio/gpio.h>
139 139
140 /* DPI input and eDP output */ 140 /* DPI input and eDP output */
141 141
142 i2c { 142 i2c {
143 #address-cells = <1>; 143 #address-cells = <1>;
144 #size-cells = <0>; 144 #size-cells = <0>;
145 145
146 edp-bridge@68 { 146 edp-bridge@68 {
147 compatible = "toshiba,tc358767"; 147 compatible = "toshiba,tc358767";
148 reg = <0x68>; 148 reg = <0x68>;
149 shutdown-gpios = <&gpio3 23 GPIO_A 149 shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
150 reset-gpios = <&gpio3 24 GPIO_ACTI 150 reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
151 clock-names = "ref"; 151 clock-names = "ref";
152 clocks = <&edp_refclk>; 152 clocks = <&edp_refclk>;
153 153
154 ports { 154 ports {
155 #address-cells = <1>; 155 #address-cells = <1>;
156 #size-cells = <0>; 156 #size-cells = <0>;
157 157
158 port@1 { 158 port@1 {
159 reg = <1>; 159 reg = <1>;
160 160
161 bridge_in_0: endpoint { 161 bridge_in_0: endpoint {
162 remote-endpoint = <&dp 162 remote-endpoint = <&dpi_out>;
163 }; 163 };
164 }; 164 };
165 165
166 port@2 { 166 port@2 {
167 reg = <2>; 167 reg = <2>;
168 168
169 bridge_out: endpoint { 169 bridge_out: endpoint {
170 remote-endpoint = <&pa 170 remote-endpoint = <&panel_in>;
171 }; 171 };
172 }; 172 };
173 }; 173 };
174 }; 174 };
175 }; 175 };
176 - | 176 - |
177 /* DPI input and DP output */ 177 /* DPI input and DP output */
178 178
179 i2c { 179 i2c {
180 #address-cells = <1>; 180 #address-cells = <1>;
181 #size-cells = <0>; 181 #size-cells = <0>;
182 182
183 edp-bridge@68 { 183 edp-bridge@68 {
184 compatible = "toshiba,tc358767"; 184 compatible = "toshiba,tc358767";
185 reg = <0x68>; 185 reg = <0x68>;
186 shutdown-gpios = <&gpio3 23 GPIO_A 186 shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
187 reset-gpios = <&gpio3 24 GPIO_ACTI 187 reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
188 clock-names = "ref"; 188 clock-names = "ref";
189 clocks = <&edp_refclk>; 189 clocks = <&edp_refclk>;
190 190
191 ports { 191 ports {
192 #address-cells = <1>; 192 #address-cells = <1>;
193 #size-cells = <0>; 193 #size-cells = <0>;
194 194
195 port@1 { 195 port@1 {
196 reg = <1>; 196 reg = <1>;
197 197
198 bridge_in_1: endpoint { 198 bridge_in_1: endpoint {
199 remote-endpoint = <&dp 199 remote-endpoint = <&dpi_out>;
200 }; 200 };
201 }; 201 };
202 }; 202 };
203 }; 203 };
204 }; 204 };
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