xref: /linux/Documentation/devicetree/bindings/display/bridge/toshiba,tc358775.yaml (revision b501d4dc83aa3940189b68045cadc8b3eac73988) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358775.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Toshiba TC358775 DSI to LVDS bridge
8
9maintainers:
10  - Vinay Simha BN <simhavcs@gmail.com>
11
12description: |
13  This binding supports DSI to LVDS bridge TC358775
14
15  MIPI DSI-RX Data 4-lane, CLK 1-lane with data rates up to 800 Mbps/lane.
16  Video frame size:
17  Up to 1600x1200 24-bit/pixel resolution for single-link LVDS display panel
18  limited by 135 MHz LVDS speed
19  Up to WUXGA (1920x1200 24-bit pixels) resolution for dual-link LVDS display
20  panel, limited by 270 MHz LVDS speed.
21
22properties:
23  compatible:
24    const: toshiba,tc358775
25
26  reg:
27    maxItems: 1
28    description: i2c address of the bridge, 0x0f
29
30  vdd-supply:
31    description: 1.2V LVDS Power Supply
32
33  vddio-supply:
34    description: 1.8V IO Power Supply
35
36  stby-gpios:
37    maxItems: 1
38    description: Standby pin, Low active
39
40  reset-gpios:
41    maxItems: 1
42    description: Hardware reset, Low active
43
44  ports:
45    $ref: /schemas/graph.yaml#/properties/ports
46
47    properties:
48      port@0:
49        $ref: /schemas/graph.yaml#/properties/port
50        description: |
51          DSI Input. The remote endpoint phandle should be a
52          reference to a valid mipi_dsi_host device node.
53
54      port@1:
55        $ref: /schemas/graph.yaml#/properties/port
56        description: |
57          Video port for LVDS output (panel or connector).
58
59      port@2:
60        $ref: /schemas/graph.yaml#/properties/port
61        description: |
62          Video port for Dual link LVDS output (panel or connector).
63
64    required:
65      - port@0
66      - port@1
67
68required:
69  - compatible
70  - reg
71  - vdd-supply
72  - vddio-supply
73  - stby-gpios
74  - reset-gpios
75  - ports
76
77additionalProperties: false
78
79examples:
80  - |
81    #include <dt-bindings/gpio/gpio.h>
82
83    /* For single-link LVDS display panel */
84
85    i2c@78b8000 {
86        /* On High speed expansion */
87        label = "HS-I2C2";
88        reg = <0x078b8000 0x500>;
89        clock-frequency = <400000>; /* fastmode operation */
90        #address-cells = <1>;
91        #size-cells = <0>;
92
93        tc_bridge: bridge@f {
94            compatible = "toshiba,tc358775";
95            reg = <0x0f>;
96
97            vdd-supply = <&pm8916_l2>;
98            vddio-supply = <&pm8916_l6>;
99
100            stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>;
101            reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>;
102
103            ports {
104                #address-cells = <1>;
105                #size-cells = <0>;
106
107                port@0 {
108                    reg = <0>;
109                    d2l_in_test: endpoint {
110                        remote-endpoint = <&dsi0_out>;
111                    };
112                };
113
114                port@1 {
115                    reg = <1>;
116                    lvds_out: endpoint {
117                        remote-endpoint = <&panel_in>;
118                    };
119                };
120            };
121        };
122    };
123
124    dsi@1a98000 {
125        reg = <0x1a98000 0x25c>;
126        reg-names = "dsi_ctrl";
127
128        ports {
129            #address-cells = <1>;
130            #size-cells = <0>;
131            port@1 {
132                reg = <1>;
133                dsi0_out: endpoint {
134                    remote-endpoint = <&d2l_in_test>;
135                    data-lanes = <0 1 2 3>;
136                };
137             };
138         };
139     };
140
141  - |
142    /* For dual-link LVDS display panel */
143
144    i2c@78b8000 {
145        /* On High speed expansion */
146        label = "HS-I2C2";
147        reg = <0x078b8000 0x500>;
148        clock-frequency = <400000>; /* fastmode operation */
149        #address-cells = <1>;
150        #size-cells = <0>;
151
152        tc_bridge_dual: bridge@f {
153            compatible = "toshiba,tc358775";
154            reg = <0x0f>;
155
156            vdd-supply = <&pm8916_l2>;
157            vddio-supply = <&pm8916_l6>;
158
159            stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>;
160            reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>;
161
162            ports {
163                #address-cells = <1>;
164                #size-cells = <0>;
165
166                port@0 {
167                    reg = <0>;
168                    d2l_in_dual: endpoint {
169                        remote-endpoint = <&dsi0_out_dual>;
170                    };
171                };
172
173                port@1 {
174                    reg = <1>;
175                    lvds0_out: endpoint {
176                        remote-endpoint = <&panel_in0>;
177                    };
178                };
179
180                port@2 {
181                    reg = <2>;
182                    lvds1_out: endpoint {
183                        remote-endpoint = <&panel_in1>;
184                    };
185                };
186            };
187        };
188    };
189
190    dsi@1a98000 {
191        reg = <0x1a98000 0x25c>;
192        reg-names = "dsi_ctrl";
193
194        ports {
195            #address-cells = <1>;
196            #size-cells = <0>;
197            port@1 {
198                reg = <1>;
199                dsi0_out_dual: endpoint {
200                    remote-endpoint = <&d2l_in_dual>;
201                    data-lanes = <0 1 2 3>;
202                };
203             };
204         };
205     };
206...
207