Documentation/devicetree/bindings/serial/cdns,uart.txt

   1 Binding for Cadence UART Controller
   2
   3 Required properties:
   4 - compatible :
   5   Use "xlnx,xuartps","cdns,uart-r1p8" for Zynq-7xxx SoC.
   6   Use "xlnx,zynqmp-uart","cdns,uart-r1p12" for Zynq Ultrascale+ MPSoC.
   7 - reg: Should contain UART controller registers location and length.
   8 - interrupts: Should contain UART controller interrupts.
   9 - clocks: Must contain phandles to the UART clocks
  10   See ../clocks/clock-bindings.txt for details.
  11 - clock-names: Tuple to identify input clocks, must contain "uart_clk" and "pclk"
  12   See ../clocks/clock-bindings.txt for details.
  13
  14
  15 Example:
  16         uart@e0000000 {
  17                 compatible = "cdns,uart-r1p8";
  18                 clocks = <&clkc 23>, <&clkc 40>;
  19                 clock-names = "uart_clk", "pclk";
  20                 reg = <0xE0000000 0x1000>;
  21                 interrupts = <0 27 4>;
  22         };