xref: /freebsd/sys/contrib/device-tree/Bindings/display/bridge/renesas,dw-hdmi.yaml (revision 1719886f6d08408b834d270c59ffcfd821c8f63a) 
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  resets:
42    maxItems: 1
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: Parallel RGB input port
51
52      port@1:
53        $ref: /schemas/graph.yaml#/properties/port
54        description: HDMI output port
55
56      port@2:
57        $ref: /schemas/graph.yaml#/properties/port
58        description: Sound input port
59
60    required:
61      - port@0
62      - port@1
63      - port@2
64
65  power-domains:
66    maxItems: 1
67
68required:
69  - compatible
70  - reg
71  - clocks
72  - clock-names
73  - resets
74  - interrupts
75  - ports
76
77unevaluatedProperties: false
78
79examples:
80  - |
81    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
82    #include <dt-bindings/interrupt-controller/irq.h>
83    #include <dt-bindings/power/r8a7795-sysc.h>
84
85    hdmi@fead0000 {
86        compatible = "renesas,r8a7795-hdmi", "renesas,rcar-gen3-hdmi";
87        reg = <0xfead0000 0x10000>;
88        interrupts = <0 389 IRQ_TYPE_LEVEL_HIGH>;
89        clocks = <&cpg CPG_CORE R8A7795_CLK_S0D4>, <&cpg CPG_MOD 729>;
90        clock-names = "iahb", "isfr";
91        power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
92        resets = <&cpg 729>;
93
94        ports {
95            #address-cells = <1>;
96            #size-cells = <0>;
97            port@0 {
98                reg = <0>;
99                dw_hdmi0_in: endpoint {
100                    remote-endpoint = <&du_out_hdmi0>;
101                };
102            };
103            port@1 {
104                reg = <1>;
105                rcar_dw_hdmi0_out: endpoint {
106                    remote-endpoint = <&hdmi0_con>;
107                };
108            };
109            port@2 {
110                reg = <2>;
111                rcar_dw_hdmi0_sound_in: endpoint {
112                    remote-endpoint = <&hdmi_sound_out>;
113                };
114            };
115        };
116    };
117
118    hdmi0-out {
119        compatible = "hdmi-connector";
120        label = "HDMI0 OUT";
121        type = "a";
122
123        port {
124            hdmi0_con: endpoint {
125                remote-endpoint = <&rcar_dw_hdmi0_out>;
126            };
127        };
128    };
129
130...
131