[PATCH] IIO: Add basic MXS LRADC driver
Marek Vasut
marex at denx.de
Tue Jul 10 05:26:32 EDT 2012
Dear Juergen Beisert,
> Hi Marek,
>
> > > When I try to compile
> > > your code I get:
> > >
> > > drivers/staging/iio/adc/mxs-lradc.c:42:40: fatal error:
> > > linux/iio/triggered_buffer.h: No such file or directory
> >
> > You need this patches:
> > iio:kfifo_buf Take advantage of the fixed record size used in IIO
> > iio: kfifo - add poll support.
> >
> > And use latest -next.
>
> Thanks for the hints. Now it compiles and the driver seems to work.
>
> One thing I do not understand: It does not matter what channel I read
> ('in_voltage*_raw'), only interrupt 16 ('mxs-lradc-channel0') counts up.
> Intended?
> Or did I a mistake by adding interrupt numbers "<13 14 15 16 17 18 19 20 21
> 22 23 24 25>" to the corresponding device tree entry?
They're wrong
lradc at 80050000 {
compatible = "fsl,imx28-lradc";
reg = <0x80050000 2000>;
interrupts = <10 14 15 16 17 18 19
20 21 22 23 24 25>;
status = "disabled";
};
> Regards,
> Juergen
Best regards,
Marek Vasut
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