bindings/display/bridge/renesas,dw-hdmi.yaml

   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
   7 title: Renesas R-Car DWC HDMI TX Encoder
   8
   9 maintainers:
  10   - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
  11
  12 description: |
  13   The HDMI transmitter is a Synopsys DesignWare HDMI 1.4 TX controller IP
  14   with a companion PHY IP.
  15
  16 allOf:
  17   - $ref: synopsys,dw-hdmi.yaml#
  18
  19 properties:
  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
  68 required:
  69   - compatible
  70   - reg
  71   - clocks
  72   - clock-names
  73   - resets
  74   - interrupts
  75   - ports
  76
  77 unevaluatedProperties: false
  78
  79 examples:
  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 ...