To answer my own question, I think yes, it's the initrd caching going
on/collision with existing filename. I changed the name of the file, and now it
seems to be working (because there's no name conflict in intiramfs).
> On Apr 3, 2016, at 23:58 , Rick Mann <rm...@latencyzero.com> wrote:
>
> In my DTS, I added the fragment from the bb.org-overlay repo like this:
>
> fragment@7 {
> target = <&tscadc>;
> __overlay__ {
>
> status = "okay";
> adc {
> ti,adc-channels = <0 1 2 3 4 5 6>;
> ti,chan-step-avg = <0x16 0x16 0x16 0x16 0x16 0x16 0x16>;
> ti,chan-step-opendelay = <0x98 0x98 0x98 0x98 0x98 0x98 0x98>;
> ti,chan-step-sampledelay = <0x0 0x0 0x0 0x0 0x0 0x0 0x0>;
> };
> };
> };
>
> I originally enabled only channels 0, 1, and 2, and didn't have any of the
> chan-step lines, but when that didn't work I tried to make it more like the
> supplied BB-ADC.
>
> I have a bunch of other stuff in the DTS, like enabling the PRU and some
> audio stuff. When I load the overlay, the PRU is enabled, but the ADC is not.
>
> If I then load the BB-ADC, the ADCs work correctly.
>
> I'm using the make && make install from bb.org-overlay to rebuild my DTS.
>
> Is this something to do with the DTB caching there was once upon a time, or
> does the Makefile take care of that?
>
> For completeness, this is the DTB fragment I used to have:
>
> fragment@7 {
> target = <&tscadc>;
> __overlay__ {
>
> status = "okay";
> adc {
> ti,adc-channels = <0 1 2>;
> };
> };
> };
>
> Thanks,
>
>
> --
> Rick Mann
> rm...@latencyzero.com
>
>
> --
> For more options, visit http://beagleboard.org/discuss
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--
Rick Mann
rm...@latencyzero.com
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