[PATCH v5 0/7] iio: adc: stm32-adc: add internal channels support

Jonathan Cameron jic23 at kernel.org
Sun Oct 17 09:11:21 PDT 2021


On Thu, 14 Oct 2021 15:12:21 +0200
Olivier Moysan <olivier.moysan at foss.st.com> wrote:

> This patchset adds support of ADC2 internal channels VDDCORE, VREFINT and VBAT
> on STM32MP15x SoCs. The generic IIO channel bindings is also introduced here
> to provide this feature. The legacy channel binding is kept for backward compatibility.

I'm fine with this series, so just waiting for Rob to have a chance for
a final look at patch 1.

Thanks,

Jonathan

> 
> Changes in v2:
> - Add 'deprecated' to channels legacy properties in ADC bindings
> - Add set/clr service for common registers, to make code more generic in
>   internal channels enable/disable services.
> - Expose vrefint channel as a processed channel to return
>   the actual value of vrefp.
> - Minor code improvements
> 
> Changes in v3:
> - fix vrefint sampling time check.
> 
> Changes in v4:
> - fix binding
> - add dedicated spin lock for common register
> - manage probe_defer on nvmem read
> 
> Changes in v5:
> - fix binding example
> 
> v5 resent as serie index was wrong on previous post. sorry !
> 
> Olivier Moysan (7):
>   dt-bindings: iio: stm32-adc: add generic channel binding
>   dt-bindings: iio: stm32-adc: add nvmem support for vrefint internal
>     channel
>   iio: adc: stm32-adc: split channel init into several routines
>   iio: adc: stm32-adc: add support of generic channels binding
>   iio: adc: stm32-adc: add support of internal channels
>   iio: adc: stm32-adc: add vrefint calibration support
>   iio: adc: stm32-adc: use generic binding for sample-time
> 
>  .../bindings/iio/adc/st,stm32-adc.yaml        | 108 ++++-
>  drivers/iio/adc/stm32-adc-core.c              |   1 +
>  drivers/iio/adc/stm32-adc-core.h              |  10 +
>  drivers/iio/adc/stm32-adc.c                   | 422 ++++++++++++++++--
>  4 files changed, 486 insertions(+), 55 deletions(-)
> 




More information about the linux-arm-kernel mailing list