External int in dts
Stefan Roese
sr at denx.de
Sat Dec 29 06:12:56 EST 2007
On Friday 28 December 2007, Sean MacLennan wrote:
> I have an FPGA which uses external int 1, which is interrupt 24 on UIC0.
> I tried the following entry in various places:
>
> FPGA0: fpga {
> compatible = "pika,fpga";
> interrupts = <18 4>;
Is the interrupt level sensitive and active high? Then "4" is correct here.
But if it is active low then you should use "8" here".
Best regards,
Stefan
=====================================================================
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de
=====================================================================
More information about the Linuxppc-dev
mailing list