33 lines
717 B
Plaintext
33 lines
717 B
Plaintext
|
* Serial
|
||
|
|
|
||
|
|
Currently defined compatibles:
|
||
|
|
- fsl,cpm1-smc-uart
|
||
|
|
- fsl,cpm2-smc-uart
|
||
|
|
- fsl,cpm1-scc-uart
|
||
|
|
- fsl,cpm2-scc-uart
|
||
|
|
- fsl,qe-uart
|
||
|
|
|
||
|
|
Modem control lines connected to GPIO controllers are listed in the gpios
|
||
|
|
property as described in booting-without-of.txt, section IX.1 in the following
|
||
|
|
order:
|
||
|
|
|
||
|
|
CTS, RTS, DCD, DSR, DTR, and RI.
|
||
|
|
|
||
|
|
The gpios property is optional and can be left out when control lines are
|
||
|
|
not used.
|
||
|
|
|
||
|
|
Example:
|
||
|
|
|
||
|
|
serial@11a00 {
|
||
|
|
device_type = "serial";
|
||
|
|
compatible = "fsl,mpc8272-scc-uart",
|
||
|
|
"fsl,cpm2-scc-uart";
|
||
|
|
reg = <11a00 20 8000 100>;
|
||
|
|
interrupts = <28 8>;
|
||
|
|
interrupt-parent = <&PIC>;
|
||
|
|
fsl,cpm-brg = <1>;
|
||
|
|
fsl,cpm-command = <00800000>;
|
||
|
|
gpios = <&gpio_c 15 0
|
||
|
|
&gpio_d 29 0>;
|
||
|
|
};
|