cdns,dsi.txt

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    1 Cadence DSI bridge
    2 ==================
    3 
    4 The Cadence DSI bridge is a DPI to DSI bridge supporting up to 4 DSI lanes.
    5 
    6 Required properties:
    7 - compatible: should be set to "cdns,dsi".
    8 - reg: physical base address and length of the controller's registers.
    9 - interrupts: interrupt line connected to the DSI bridge.
   10 - clocks: DSI bridge clocks.
   11 - clock-names: must contain "dsi_p_clk" and "dsi_sys_clk".
   12 - phys: phandle link to the MIPI D-PHY controller.
   13 - phy-names: must contain "dphy".
   14 - #address-cells: must be set to 1.
   15 - #size-cells: must be set to 0.
   16 
   17 Optional properties:
   18 - resets: DSI reset lines.
   19 - reset-names: can contain "dsi_p_rst".
   20 
   21 Required subnodes:
   22 - ports: Ports as described in Documentation/devicetree/bindings/graph.txt.
   23   2 ports are available:
   24   * port 0: this port is only needed if some of your DSI devices are
   25             controlled through  an external bus like I2C or SPI. Can have at
   26             most 4 endpoints. The endpoint number is directly encoding the
   27             DSI virtual channel used by this device.
   28   * port 1: represents the DPI input.
   29   Other ports will be added later to support the new kind of inputs.
   30 
   31 - one subnode per DSI device connected on the DSI bus. Each DSI device should
   32   contain a reg property encoding its virtual channel.
   33 
   34 Example:
   35         dsi0: dsi@fd0c0000 {
   36                 compatible = "cdns,dsi";
   37                 reg = <0x0 0xfd0c0000 0x0 0x1000>;
   38                 clocks = <&pclk>, <&sysclk>;
   39                 clock-names = "dsi_p_clk", "dsi_sys_clk";
   40                 interrupts = <1>;
   41                 phys = <&dphy0>;
   42                 phy-names = "dphy";
   43                 #address-cells = <1>;
   44                 #size-cells = <0>;
   45 
   46                 ports {
   47                         #address-cells = <1>;
   48                         #size-cells = <0>;
   49 
   50                         port@1 {
   51                                 reg = <1>;
   52                                 dsi0_dpi_input: endpoint {
   53                                         remote-endpoint = <&xxx_dpi_output>;
   54                                 };
   55                         };
   56                 };
   57 
   58                 panel: dsi-dev@0 {
   59                         compatible = "<vendor,panel>";
   60                         reg = <0>;
   61                 };
   62         };
   63 
   64 or
   65 
   66         dsi0: dsi@fd0c0000 {
   67                 compatible = "cdns,dsi";
   68                 reg = <0x0 0xfd0c0000 0x0 0x1000>;
   69                 clocks = <&pclk>, <&sysclk>;
   70                 clock-names = "dsi_p_clk", "dsi_sys_clk";
   71                 interrupts = <1>;
   72                 phys = <&dphy1>;
   73                 phy-names = "dphy";
   74                 #address-cells = <1>;
   75                 #size-cells = <0>;
   76 
   77                 ports {
   78                         #address-cells = <1>;
   79                         #size-cells = <0>;
   80 
   81                         port@0 {
   82                                 reg = <0>;
   83                                 #address-cells = <1>;
   84                                 #size-cells = <0>;
   85 
   86                                 dsi0_output: endpoint@0 {
   87                                         reg = <0>;
   88                                         remote-endpoint = <&dsi_panel_input>;
   89                                 };
   90                         };
   91 
   92                         port@1 {
   93                                 reg = <1>;
   94                                 dsi0_dpi_input: endpoint {
   95                                         remote-endpoint = <&xxx_dpi_output>;
   96                                 };
   97                         };
   98                 };
   99         };
  100 
  101         i2c@xxx {
  102                 panel: panel@59 {
  103                         compatible = "<vendor,panel>";
  104                         reg = <0x59>;
  105 
  106                         port {
  107                                 dsi_panel_input: endpoint {
  108                                         remote-endpoint = <&dsi0_output>;
  109                                 };
  110                         };
  111                 };
  112         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/bridge/cdns,dsi.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/bridge/cdns,dsi.txt