xref: /freebsd/sys/contrib/device-tree/Bindings/display/bridge/renesas,dw-hdmi.yaml (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/renesas,dw-hdmi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas R-Car DWC HDMI TX Encoder
8
9maintainers:
10  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11
12description: |
13  The HDMI transmitter is a Synopsys DesignWare HDMI 1.4 TX controller IP
14  with a companion PHY IP.
15
16allOf:
17  - $ref: synopsys,dw-hdmi.yaml#
18
19properties:
20  compatible:
21    items:
22      - enum:
23          - renesas,r8a774a1-hdmi # for RZ/G2M compatible HDMI TX
24          - renesas,r8a774b1-hdmi # for RZ/G2N compatible HDMI TX
25          - renesas,r8a774e1-hdmi # for RZ/G2H compatible HDMI TX
26          - renesas,r8a7795-hdmi # for R-Car H3 compatible HDMI TX
27          - renesas,r8a7796-hdmi # for R-Car M3-W compatible HDMI TX
28          - renesas,r8a77961-hdmi # for R-Car M3-W+ compatible HDMI TX
29          - renesas,r8a77965-hdmi # for R-Car M3-N compatible HDMI TX
30      - const: renesas,rcar-gen3-hdmi
31
32  reg-io-width:
33    const: 1
34
35  clocks:
36    maxItems: 2
37
38  clock-names:
39    maxItems: 2
40
41  ports:
42    $ref: /schemas/graph.yaml#/properties/ports
43
44    properties:
45      port@0:
46        $ref: /schemas/graph.yaml#/properties/port
47        description: Parallel RGB input port
48
49      port@1:
50        $ref: /schemas/graph.yaml#/properties/port
51        description: HDMI output port
52
53      port@2:
54        $ref: /schemas/graph.yaml#/properties/port
55        description: Sound input port
56
57    required:
58      - port@0
59      - port@1
60      - port@2
61
62  power-domains:
63    maxItems: 1
64
65required:
66  - compatible
67  - reg
68  - clocks
69  - clock-names
70  - interrupts
71  - ports
72
73unevaluatedProperties: false
74
75examples:
76  - |
77    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
78    #include <dt-bindings/interrupt-controller/irq.h>
79    #include <dt-bindings/power/r8a7795-sysc.h>
80
81    hdmi@fead0000 {
82        compatible = "renesas,r8a7795-hdmi", "renesas,rcar-gen3-hdmi";
83        reg = <0xfead0000 0x10000>;
84        interrupts = <0 389 IRQ_TYPE_LEVEL_HIGH>;
85        clocks = <&cpg CPG_CORE R8A7795_CLK_S0D4>, <&cpg CPG_MOD 729>;
86        clock-names = "iahb", "isfr";
87        power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
88
89        ports {
90            #address-cells = <1>;
91            #size-cells = <0>;
92            port@0 {
93                reg = <0>;
94                dw_hdmi0_in: endpoint {
95                    remote-endpoint = <&du_out_hdmi0>;
96                };
97            };
98            port@1 {
99                reg = <1>;
100                rcar_dw_hdmi0_out: endpoint {
101                    remote-endpoint = <&hdmi0_con>;
102                };
103            };
104            port@2 {
105                reg = <2>;
106                rcar_dw_hdmi0_sound_in: endpoint {
107                    remote-endpoint = <&hdmi_sound_out>;
108                };
109            };
110        };
111    };
112
113    hdmi0-out {
114        compatible = "hdmi-connector";
115        label = "HDMI0 OUT";
116        type = "a";
117
118        port {
119            hdmi0_con: endpoint {
120                remote-endpoint = <&rcar_dw_hdmi0_out>;
121            };
122        };
123    };
124
125...
126