1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi86.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: SN65DSI86 DSI to eDP bridge chip
8
9maintainers:
10  - Sandeep Panda <spanda@codeaurora.org>
11
12description: |
13  The Texas Instruments SN65DSI86 bridge takes MIPI DSI in and outputs eDP.
14  https://www.ti.com/general/docs/lit/getliterature.tsp?genericPartNumber=sn65dsi86&fileType=pdf
15
16properties:
17  compatible:
18    const: ti,sn65dsi86
19
20  reg:
21    const: 0x2d
22
23  enable-gpios:
24    maxItems: 1
25    description: GPIO specifier for bridge_en pin (active high).
26
27  suspend-gpios:
28    maxItems: 1
29    description: GPIO specifier for GPIO1 pin on bridge (active low).
30
31  no-hpd:
32    type: boolean
33    description:
34      Set if the HPD line on the bridge isn't hooked up to anything or is
35      otherwise unusable.
36
37  vccio-supply:
38    description: A 1.8V supply that powers the digital IOs.
39
40  vpll-supply:
41    description: A 1.8V supply that powers the DisplayPort PLL.
42
43  vcca-supply:
44    description: A 1.2V supply that powers the analog circuits.
45
46  vcc-supply:
47    description: A 1.2V supply that powers the digital core.
48
49  interrupts:
50    maxItems: 1
51
52  clocks:
53    maxItems: 1
54    description:
55      Clock specifier for input reference clock. The reference clock rate must
56      be 12 MHz, 19.2 MHz, 26 MHz, 27 MHz or 38.4 MHz.
57
58  clock-names:
59    const: refclk
60
61  gpio-controller: true
62  '#gpio-cells':
63    const: 2
64    description:
65      First cell is pin number, second cell is flags.  GPIO pin numbers are
66      1-based to match the datasheet.  See ../../gpio/gpio.txt for more
67      information.
68
69  '#pwm-cells':
70    const: 1
71    description: See ../../pwm/pwm.yaml for description of the cell formats.
72
73  aux-bus:
74    $ref: /schemas/display/dp-aux-bus.yaml#
75
76  ports:
77    $ref: /schemas/graph.yaml#/properties/ports
78
79    properties:
80      port@0:
81        $ref: /schemas/graph.yaml#/properties/port
82        description:
83          Video port for MIPI DSI input
84
85      port@1:
86        $ref: /schemas/graph.yaml#/$defs/port-base
87        unevaluatedProperties: false
88        description:
89          Video port for eDP output (panel or connector).
90
91        properties:
92          endpoint:
93            $ref: /schemas/graph.yaml#/$defs/endpoint-base
94            unevaluatedProperties: false
95
96            properties:
97              data-lanes:
98                oneOf:
99                  - minItems: 1
100                    maxItems: 1
101                    uniqueItems: true
102                    items:
103                      enum:
104                        - 0
105                        - 1
106                    description:
107                      If you have 1 logical lane the bridge supports routing
108                      to either port 0 or port 1.  Port 0 is suggested.
109                      See ../../media/video-interface.txt for details.
110
111                  - minItems: 2
112                    maxItems: 2
113                    uniqueItems: true
114                    items:
115                      enum:
116                        - 0
117                        - 1
118                    description:
119                      If you have 2 logical lanes the bridge supports
120                      reordering but only on physical ports 0 and 1.
121                      See ../../media/video-interface.txt for details.
122
123                  - minItems: 4
124                    maxItems: 4
125                    uniqueItems: true
126                    items:
127                      enum:
128                        - 0
129                        - 1
130                        - 2
131                        - 3
132                    description:
133                      If you have 4 logical lanes the bridge supports
134                      reordering in any way.
135                      See ../../media/video-interface.txt for details.
136
137              lane-polarities:
138                minItems: 1
139                maxItems: 4
140                items:
141                  enum:
142                    - 0
143                    - 1
144                description: See ../../media/video-interface.txt
145
146            dependencies:
147              lane-polarities: [data-lanes]
148
149    required:
150      - port@0
151      - port@1
152
153required:
154  - compatible
155  - reg
156  - vccio-supply
157  - vpll-supply
158  - vcca-supply
159  - vcc-supply
160  - ports
161
162additionalProperties: false
163
164examples:
165  - |
166    #include <dt-bindings/clock/qcom,rpmh.h>
167    #include <dt-bindings/gpio/gpio.h>
168    #include <dt-bindings/interrupt-controller/irq.h>
169
170    i2c {
171      #address-cells = <1>;
172      #size-cells = <0>;
173
174      bridge@2d {
175        compatible = "ti,sn65dsi86";
176        reg = <0x2d>;
177
178        interrupt-parent = <&tlmm>;
179        interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
180
181        enable-gpios = <&tlmm 102 GPIO_ACTIVE_HIGH>;
182
183        vpll-supply = <&src_pp1800_s4a>;
184        vccio-supply = <&src_pp1800_s4a>;
185        vcca-supply = <&src_pp1200_l2a>;
186        vcc-supply = <&src_pp1200_l2a>;
187
188        clocks = <&rpmhcc RPMH_LN_BB_CLK2>;
189        clock-names = "refclk";
190
191        no-hpd;
192
193        ports {
194          #address-cells = <1>;
195          #size-cells = <0>;
196
197          port@0 {
198            reg = <0>;
199            endpoint {
200              remote-endpoint = <&dsi0_out>;
201            };
202          };
203
204          port@1 {
205            reg = <1>;
206            sn65dsi86_out: endpoint {
207              remote-endpoint = <&panel_in_edp>;
208            };
209          };
210        };
211
212        aux-bus {
213          panel {
214            compatible = "boe,nv133fhm-n62";
215            power-supply = <&pp3300_dx_edp>;
216            backlight = <&backlight>;
217            hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>;
218
219            port {
220              panel_in_edp: endpoint {
221                remote-endpoint = <&sn65dsi86_out>;
222              };
223            };
224          };
225        };
226      };
227    };
228  - |
229    #include <dt-bindings/clock/qcom,rpmh.h>
230    #include <dt-bindings/gpio/gpio.h>
231    #include <dt-bindings/interrupt-controller/irq.h>
232
233    i2c {
234      #address-cells = <1>;
235      #size-cells = <0>;
236
237      bridge@2d {
238        compatible = "ti,sn65dsi86";
239        reg = <0x2d>;
240
241        enable-gpios = <&msmgpio 33 GPIO_ACTIVE_HIGH>;
242        suspend-gpios = <&msmgpio 34 GPIO_ACTIVE_LOW>;
243
244        interrupts-extended = <&gpio3 4 IRQ_TYPE_EDGE_FALLING>;
245
246        vccio-supply = <&pm8916_l17>;
247        vcca-supply = <&pm8916_l6>;
248        vpll-supply = <&pm8916_l17>;
249        vcc-supply = <&pm8916_l6>;
250
251        clock-names = "refclk";
252        clocks = <&input_refclk>;
253
254        ports {
255          #address-cells = <1>;
256          #size-cells = <0>;
257
258          port@0 {
259            reg = <0>;
260
261            edp_bridge_in: endpoint {
262              remote-endpoint = <&dsi_out>;
263            };
264          };
265
266          port@1 {
267            reg = <1>;
268
269            edp_bridge_out: endpoint {
270              data-lanes = <2 1 3 0>;
271              lane-polarities = <0 1 0 1>;
272              remote-endpoint = <&edp_panel_in>;
273            };
274          };
275        };
276      };
277    };
278