sil,sii9022.yaml

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    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/sil,sii9022.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Silicon Image sii902x HDMI bridge
    8 
    9 maintainers:
   10   - Boris Brezillon <bbrezillon@kernel.org>
   11 
   12 properties:
   13   compatible:
   14     oneOf:
   15       - items:
   16           - enum:
   17               - sil,sii9022-cpi # CEC Programming Interface
   18               - sil,sii9022-tpi # Transmitter Programming Interface
   19           - const: sil,sii9022
   20       - const: sil,sii9022
   21 
   22   reg:
   23     maxItems: 1
   24 
   25   interrupts:
   26     maxItems: 1
   27     description: Interrupt line used to inform the host about hotplug events.
   28 
   29   reset-gpios:
   30     maxItems: 1
   31 
   32   iovcc-supply:
   33     description: I/O Supply Voltage (1.8V or 3.3V)
   34 
   35   cvcc12-supply:
   36     description: Digital Core Supply Voltage (1.2V)
   37 
   38   '#sound-dai-cells':
   39     enum: [ 0, 1 ]
   40     description: |
   41       <0> if only I2S or S/PDIF pin is wired,
   42       <1> if both are wired.
   43       HDMI audio is configured only if this property is found.
   44       If HDMI audio is configured, the sii902x device becomes an I2S and/or
   45       S/PDIF audio codec component (e.g. a digital audio sink), that can be
   46       used in configuring full audio devices with simple-card or
   47       audio-graph-card bindings. See their binding documents on how to describe
   48       the way the
   49       sii902x device is connected to the rest of the audio system:
   50       Documentation/devicetree/bindings/sound/simple-card.yaml
   51       Documentation/devicetree/bindings/sound/audio-graph-card.yaml
   52       Note: In case of the audio-graph-card binding the used port index should
   53       be 3.
   54 
   55   sil,i2s-data-lanes:
   56     $ref: /schemas/types.yaml#/definitions/uint32-array
   57     minItems: 1
   58     maxItems: 4
   59     uniqueItems: true
   60     items:
   61       enum: [ 0, 1, 2, 3 ]
   62     description:
   63       Each integer indicates which I2S pin is connected to which audio FIFO.
   64       The first integer selects the I2S audio pin for the first audio FIFO#0
   65       (HDMI channels 1&2), the second for FIFO#1 (HDMI channels 3&4), and so
   66       on. There are 4 FIFOs and 4 I2S pins (SD0 - SD3). Any I2S pin can be
   67       connected to any FIFO, but there can be no gaps. E.g. an I2S pin must be
   68       mapped to FIFO#0 and FIFO#1 before mapping a channel to FIFO#2. The
   69       default value is <0>, describing SD0 pin being routed to HDMI audio
   70       FIFO#0.
   71 
   72   clocks:
   73     maxItems: 1
   74     description: MCLK input. MCLK can be used to produce HDMI audio CTS values.
   75 
   76   clock-names:
   77     const: mclk
   78 
   79   ports:
   80     $ref: /schemas/graph.yaml#/properties/ports
   81 
   82     properties:
   83       port@0:
   84         $ref: /schemas/graph.yaml#/properties/port
   85         description: Parallel RGB input port
   86 
   87       port@1:
   88         $ref: /schemas/graph.yaml#/properties/port
   89         description: HDMI output port
   90 
   91       port@3:
   92         $ref: /schemas/graph.yaml#/properties/port
   93         description: Sound input port
   94 
   95 required:
   96   - compatible
   97   - reg
   98 
   99 additionalProperties: false
  100 
  101 examples:
  102   - |
  103     i2c {
  104         #address-cells = <1>;
  105         #size-cells = <0>;
  106 
  107         hdmi-bridge@39 {
  108             compatible = "sil,sii9022";
  109             reg = <0x39>;
  110             reset-gpios = <&pioA 1 0>;
  111             iovcc-supply = <&v3v3_hdmi>;
  112             cvcc12-supply = <&v1v2_hdmi>;
  113 
  114             #sound-dai-cells = <0>;
  115             sil,i2s-data-lanes = < 0 1 2 >;
  116             clocks = <&mclk>;
  117             clock-names = "mclk";
  118 
  119             ports {
  120                 #address-cells = <1>;
  121                 #size-cells = <0>;
  122 
  123                 port@0 {
  124                     reg = <0>;
  125                     bridge_in: endpoint {
  126                         remote-endpoint = <&dc_out>;
  127                     };
  128                 };
  129             };
  130         };
  131     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/bridge/sil,sii9022.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/bridge/sil,sii9022.yaml