xref: /freebsd/sys/contrib/device-tree/Bindings/display/bridge/chipone,icn6211.yaml (revision 257e70f1d5ee61037c8c59b116538d3b6b1427a2) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/chipone,icn6211.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Chipone ICN6211 MIPI-DSI to RGB Converter bridge
8
9maintainers:
10  - Jagan Teki <jagan@amarulasolutions.com>
11
12description: |
13  ICN6211 is MIPI-DSI to RGB Converter bridge from chipone.
14
15  It has a flexible configuration of MIPI DSI signal input and
16  produce RGB565, RGB666, RGB888 output format.
17
18properties:
19  compatible:
20    enum:
21      - chipone,icn6211
22
23  reg:
24    maxItems: 1
25    description: virtual channel number of a DSI peripheral
26
27  clock-names:
28    const: refclk
29
30  clocks:
31    maxItems: 1
32    description: |
33        Optional external clock connected to REF_CLK input.
34        The clock rate must be in 10..154 MHz range.
35
36  enable-gpios:
37    description: Bridge EN pin, chip is reset when EN is low.
38
39  vdd1-supply:
40    description: A 1.8V/2.5V/3.3V supply that power the MIPI RX.
41
42  vdd2-supply:
43    description: A 1.8V/2.5V/3.3V supply that power the PLL.
44
45  vdd3-supply:
46    description: A 1.8V/2.5V/3.3V supply that power the RGB output.
47
48  ports:
49    $ref: /schemas/graph.yaml#/properties/ports
50
51    properties:
52      port@0:
53        $ref: /schemas/graph.yaml#/$defs/port-base
54        unevaluatedProperties: false
55        description:
56          Video port for MIPI DSI input
57
58        properties:
59          endpoint:
60            $ref: /schemas/media/video-interfaces.yaml#
61            unevaluatedProperties: false
62
63            properties:
64              data-lanes:
65                description: array of physical DSI data lane indexes.
66                minItems: 1
67                items:
68                  - const: 1
69                  - const: 2
70                  - const: 3
71                  - const: 4
72
73      port@1:
74        $ref: /schemas/graph.yaml#/properties/port
75        description:
76          Video port for MIPI DPI output (panel or connector).
77
78    required:
79      - port@1
80
81required:
82  - compatible
83  - reg
84  - enable-gpios
85  - ports
86
87additionalProperties: false
88
89examples:
90  - |
91    #include <dt-bindings/gpio/gpio.h>
92
93    dsi {
94      #address-cells = <1>;
95      #size-cells = <0>;
96
97      bridge@0 {
98        compatible = "chipone,icn6211";
99        reg = <0>;
100        enable-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* LCD-RST: PL5 */
101
102        ports {
103          #address-cells = <1>;
104          #size-cells = <0>;
105
106          port@0 {
107            reg = <0>;
108
109            bridge_in_dsi: endpoint {
110              remote-endpoint = <&dsi_out_bridge>;
111            };
112          };
113
114          port@1 {
115            reg = <1>;
116
117            bridge_out_panel: endpoint {
118              remote-endpoint = <&panel_out_bridge>;
119            };
120          };
121        };
122      };
123    };
124