Randy,
Yes, I have seen the issue. In your device tree file
(cape-bone-mrf24j40-00A0.dts) try changing :
interrupt-parent = <&gpio2>;
interrupts = <29>;
to:
#interrupt-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <29 0x2>;
and recompiling. I'm running 3.12.3 on the Beaglebone Black and it
appears to be working - I can physically connect and disconnect the
interrupt to see it working.
This was my Christmas holiday job to work on this issue - I've only
started a couple of hours ago, so I've yet to work out if its a bug or
an intentional change, and when it occured. I'll do a little bit more
digging and investigation in the next couple of days.
The second interrupt parameter is flags specifying trigger and int
levels (0x02 is -ve edge triggered) and is documented in:
Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
Regards,
Craig
On 18/12/2013 3:25 AM, Randy Graham wrote:
Hello,
I am curious to know what hardware folks here are using for 6lowpan,
would you mind sharing ?
I am trying to get a beaglebone with a mrf24j40 radio up and running
with 6Lowpan and am having some difficulties.
Has anyone got this hardware combination to work with a recent kernel ?
I have created a DT fragment for my radio 'cape' as per
http://elinux.org/Capemgr and it loads and initializes fine with a 3.8
kernel, but when I try to use a more recent kernel, the DT fragment
loads, but the IRQ reported by the mrf24j40 driver is always zero. If
I use the 3.8 kernel, the driver reports a correct IRQ.
Has anyone seen this issue ?
Thanks for any insights.
-Randy
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