[PATCH v7 1/3] iio: adc: Add Allwinner D1/T113s/R329/T507 SoCs GPADC

Maxim Kiselev bigunclemax at gmail.com
Sat Jun 17 11:52:12 PDT 2023


сб, 17 июн. 2023 г. в 16:49, Jonathan Cameron <jic23 at kernel.org>:
>
> On Thu, 15 Jun 2023 23:55:20 +0300
> Maksim Kiselev <bigunclemax at gmail.com> wrote:
>
> > The General Purpose ADC (GPADC) can convert the external signal into
> > a certain proportion of digital value, to realize the measurement of
> > analog signal, which can be applied to power detection and key detection.
> >
> > Theoretically, this ADC can support up to 16 channels. All SoCs below
> > contain this GPADC IP. The only difference between them is the number
> > of available channels:
> >
> >  T113 - 1 channel
> >  D1   - 2 channels
> >  R329 - 4 channels
> >  T507 - 4 channels
> >
> > Reviewed-by: Andy Shevchenko <andy.shevchenko at gmail.com>
> > Signed-off-by: Maksim Kiselev <bigunclemax at gmail.com>
> > ---
> >  drivers/iio/adc/Kconfig            |  10 ++
> >  drivers/iio/adc/Makefile           |   1 +
> >  drivers/iio/adc/sun20i-gpadc-iio.c | 276 +++++++++++++++++++++++++++++
> >  3 files changed, 287 insertions(+)
> >  create mode 100644 drivers/iio/adc/sun20i-gpadc-iio.c
> >
> > diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> > index eb2b09ef5d5b..deff7ae704ce 100644
> > --- a/drivers/iio/adc/Kconfig
> > +++ b/drivers/iio/adc/Kconfig
> > @@ -1123,6 +1123,16 @@ config SUN4I_GPADC
> >         To compile this driver as a module, choose M here: the module will be
> >         called sun4i-gpadc-iio.
> >
> > +config SUN20I_GPADC
> > +     tristate "Support for the Allwinner SoCs GPADC"
> I applied this and started a build test before noticing that this Kconfig description
> is very vague and matches the one for the existing 4i driver...

Indeed. I must have forgotten to change this line when copying from sun4i...

> The 'Support for the' bit also isn't appropriate for what you see in make menuconfig
> menu etc.   Please come up with something descriptive. Maybe
> "sun20i and similar SoC GPADC"?
>
> Bonus points if you change the text for the 4i at the same time to be
> more meaningful. I clearly missed that in review a long time ago!

Should I do this in a separate patch?



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