Documentation/devicetree/bindings/serial/pl011.txt

   1 * ARM AMBA Primecell PL011 serial UART
   2
   3 Required properties:
   4 - compatible: must be "arm,primecell", "arm,pl011"
   5 - reg: exactly one register range with length 0x1000
   6 - interrupts: exactly one interrupt specifier
   7
   8 Optional properties:
   9 - pinctrl: When present, must have one state named "sleep"
  10            and one state named "default"
  11 - clocks:  When present, must refer to exactly one clock named
  12            "apb_pclk"
  13 - dmas:    When present, may have one or two dma channels.
  14            The first one must be named "rx", the second one
  15            must be named "tx".
  16
  17 See also bindings/arm/primecell.txt