Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt

   1 * BCM63xx UART
   2
   3 Required properties:
   4
   5 - compatible: "brcm,bcm6345-uart"
   6
   7 - reg: The base address of the UART register bank.
   8
   9 - interrupts: A single interrupt specifier.
  10
  11 - clocks: Clock driving the hardware; used to figure out the baud rate
  12   divisor.
  13
  14
  15 Optional properties:
  16
  17 - clock-names: Should be "refclk".
  18
  19 Example:
  20
  21         uart0: serial@14e00520 {
  22                 compatible = "brcm,bcm6345-uart";
  23                 reg = <0x14e00520 0x18>;
  24                 interrupt-parent = <&periph_intc>;
  25                 interrupts = <2>;
  26                 clocks = <&periph_clk>;
  27                 clock-names = "refclk";
  28         };
  29
  30         clocks {
  31                 periph_clk: periph_clk@0 {
  32                         compatible = "fixed-clock";
  33                         #clock-cells = <0>;
  34                         clock-frequency = <54000000>;
  35                 };
  36         };