Awesome, thanks Craig!
Yes, I had changed from gpio1 to gpio2 to get it to load without errors
with 3.8 .
Where in the kernel does the DTS get parsed ?
I'd like to look at it to understand it better.
Thanks again for your help, this is gold.
-Randy
On Sat, Dec 21, 2013 at 4:29 AM, Craig Peacock <
craig.peacock.2...@beyondlogic.org> wrote:
>
> 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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