The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/soc/fsl/cpm_qe/serial.txt

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    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         };

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