On Mon, Apr 4, 2016 at 8:41 AM, Robert Nelson <[email protected]> wrote:
> > > On Mon, Apr 4, 2016 at 4:47 AM, Rick Mann <[email protected]> wrote: > >> I'm trying to get my audio cape to work (which is nearly identical to the >> cape that was available for sale). I've had it working to some level of >> success with past kernels (3.1.18), but now I'm on 4.4.6. My existing DTS >> didn't work, so I'm looking at how the BB-BONE-AUDI-02 DTS is written. >> >> One of the differences is that it doesn't explicitly call out the McASP >> clock frequency like the older one did. Instead, it seems to refer to >> clk_mcasp0. But when I copy the same code into my DTS, I get: >> >> [ 103.180866] of_resolve_phandles: Could not find symbol 'clk_mcasp0' >> [ 103.187269] bone_capemgr bone_capemgr: slot #4: Failed to resolve tree >> >> I found it defined by grepping /boot/dtbs. It's in >> /boot/dtbs/4.4.6-bone-rt-r6/am335x-abbbi.dtb. Where can I find the source >> files for these DTBs? >> >> Is this dtb part of what's loaded by default in 4.4.6-bone-rt-r6? If not, >> can I copy the definition into my >> >> FWIW, here's my DTS and some output from dmesg: >> http://pastebin.com/niDkWdWV > > > > You need to add this to your base *.dtb: > > > https://github.com/RobertCNelson/dtb-rebuilder/blob/4.1-ti/src/arm/am335x-boneblack-audio.dts#L17-L28 > btw, the one thing i haven't tried, have everything in the clk defined except for the gpio and load that as part of the audio overlay.. side note, we just got audio (cape audio rev b) working a few weeks back, so this is relatively new Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
