ite,it6505.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/ite,it6505.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: ITE it6505 Device Tree Bindings
    8 
    9 maintainers:
   10   - Allen Chen <allen.chen@ite.com.tw>
   11 
   12 description: |
   13   The IT6505 is a high-performance DisplayPort 1.1a transmitter,
   14   fully compliant with DisplayPort 1.1a, HDCP 1.3 specifications.
   15   The IT6505 supports color depth of up to 36 bits (12 bits/color)
   16   and ensures robust transmission of high-quality uncompressed video
   17   content, along with uncompressed and compressed digital audio content.
   18 
   19   Aside from the various video output formats supported, the IT6505
   20   also encodes and transmits up to 8 channels of I2S digital audio,
   21   with sampling rate up to 192kHz and sample size up to 24 bits.
   22   In addition, an S/PDIF input port takes in compressed audio of up to
   23   192kHz frame rate.
   24 
   25   Each IT6505 chip comes preprogrammed with an unique HDCP key,
   26   in compliance with the HDCP 1.3 standard so as to provide secure
   27   transmission of high-definition content. Users of the IT6505 need not
   28   purchase any HDCP keys or ROMs.
   29 
   30 properties:
   31   compatible:
   32     const: ite,it6505
   33 
   34   reg:
   35     maxItems: 1
   36 
   37   ovdd-supply:
   38     description: I/O voltage
   39 
   40   pwr18-supply:
   41     description: core voltage
   42 
   43   interrupts:
   44     maxItems: 1
   45     description: interrupt specifier of INT pin
   46 
   47   reset-gpios:
   48     maxItems: 1
   49     description: gpio specifier of RESET pin
   50 
   51   extcon:
   52     maxItems: 1
   53     description: extcon specifier for the Power Delivery
   54 
   55   port:
   56     $ref: /schemas/graph.yaml#/properties/port
   57     description: A port node pointing to DPI host port node
   58 
   59 required:
   60   - compatible
   61   - ovdd-supply
   62   - pwr18-supply
   63   - interrupts
   64   - reset-gpios
   65   - extcon
   66 
   67 additionalProperties: false
   68 
   69 examples:
   70   - |
   71     #include <dt-bindings/interrupt-controller/irq.h>
   72 
   73     i2c {
   74         #address-cells = <1>;
   75         #size-cells = <0>;
   76 
   77         dp-bridge@5c {
   78             compatible = "ite,it6505";
   79             interrupts = <152 IRQ_TYPE_EDGE_FALLING 152 0>;
   80             reg = <0x5c>;
   81             pinctrl-names = "default";
   82             pinctrl-0 = <&it6505_pins>;
   83             ovdd-supply = <&mt6358_vsim1_reg>;
   84             pwr18-supply = <&it6505_pp18_reg>;
   85             reset-gpios = <&pio 179 1>;
   86             extcon = <&usbc_extcon>;
   87 
   88             port {
   89                 it6505_in: endpoint {
   90                     remote-endpoint = <&dpi_out>;
   91                 };
   92             };
   93         };
   94     };

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sys/contrib/device-tree/Bindings/display/bridge/ite,it6505.yaml