Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/serial.txt

   1 * Serial
   2
   3 Currently defined compatibles:
   4 - fsl,cpm1-smc-uart
   5 - fsl,cpm2-smc-uart
   6 - fsl,cpm1-scc-uart
   7 - fsl,cpm2-scc-uart
   8 - fsl,qe-uart
   9
  10 Modem control lines connected to GPIO controllers are listed in the gpios
  11 property as described in booting-without-of.txt, section IX.1 in the following
  12 order:
  13
  14 CTS, RTS, DCD, DSR, DTR, and RI.
  15
  16 The gpios property is optional and can be left out when control lines are
  17 not used.
  18
  19 Example:
  20
  21         serial@11a00 {
  22                 device_type = "serial";
  23                 compatible = "fsl,mpc8272-scc-uart",
  24                              "fsl,cpm2-scc-uart";
  25                 reg = <11a00 20 8000 100>;
  26                 interrupts = <28 8>;
  27                 interrupt-parent = <&PIC>;
  28                 fsl,cpm-brg = <1>;
  29                 fsl,cpm-command = <00800000>;
  30                 gpios = <&gpio_c 15 0
  31                          &gpio_d 29 0>;
  32         };