xref: /freebsd/sys/contrib/device-tree/Bindings/display/bridge/renesas,dsi-csi2-tx.yaml (revision b197d4b893974c9eb4d7b38704c6d5c486235d6f) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/renesas,dsi-csi2-tx.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas R-Car MIPI DSI/CSI-2 Encoder
8
9maintainers:
10  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11
12description: |
13  This binding describes the MIPI DSI/CSI-2 encoder embedded in the Renesas
14  R-Car V3U SoC. The encoder can operate in either DSI or CSI-2 mode, with up
15  to four data lanes.
16
17properties:
18  compatible:
19    enum:
20      - renesas,r8a779a0-dsi-csi2-tx    # for V3U
21
22  reg:
23    maxItems: 1
24
25  clocks:
26    items:
27      - description: Functional clock
28      - description: DSI (and CSI-2) functional clock
29      - description: PLL reference clock
30
31  clock-names:
32    items:
33      - const: fck
34      - const: dsi
35      - const: pll
36
37  power-domains:
38    maxItems: 1
39
40  resets:
41    maxItems: 1
42
43  ports:
44    $ref: /schemas/graph.yaml#/properties/ports
45
46    properties:
47      port@0:
48        $ref: /schemas/graph.yaml#/properties/port
49        description: Parallel input port
50
51      port@1:
52        $ref: /schemas/graph.yaml#/$defs/port-base
53        unevaluatedProperties: false
54        description: DSI/CSI-2 output port
55
56        properties:
57          endpoint:
58            $ref: /schemas/media/video-interfaces.yaml#
59            unevaluatedProperties: false
60
61            properties:
62              data-lanes:
63                minItems: 1
64                maxItems: 4
65
66            required:
67              - data-lanes
68
69    required:
70      - port@0
71      - port@1
72
73required:
74  - compatible
75  - reg
76  - clocks
77  - power-domains
78  - resets
79  - ports
80
81additionalProperties: false
82
83examples:
84  - |
85    #include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
86    #include <dt-bindings/power/r8a779a0-sysc.h>
87
88    dsi0: dsi-encoder@fed80000 {
89        compatible = "renesas,r8a779a0-dsi-csi2-tx";
90        reg = <0xfed80000 0x10000>;
91        power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
92        clocks = <&cpg CPG_MOD 415>,
93                 <&cpg CPG_CORE R8A779A0_CLK_DSI>,
94                 <&cpg CPG_CORE R8A779A0_CLK_CP>;
95        clock-names = "fck", "dsi", "pll";
96        resets = <&cpg 415>;
97
98        ports {
99            #address-cells = <1>;
100            #size-cells = <0>;
101
102            port@0 {
103                reg = <0>;
104                dsi0_in: endpoint {
105                    remote-endpoint = <&du_out_dsi0>;
106                };
107            };
108
109            port@1 {
110                reg = <1>;
111                dsi0_out: endpoint {
112                    data-lanes = <1 2>;
113                    remote-endpoint = <&sn65dsi86_in>;
114                };
115            };
116        };
117    };
118...
119