linux-kernel - Re: [PATCH V3 2/4] iio: adc: Add PMIC7 ADC bindings

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Date:   Mon, 11 May 2020 20:53:36 -0500
From:   Rob Herring <robh@...nel.org>
To:     Jishnu Prakash <jprakash@...eaurora.org>
Cc:     Hartmut Knaack <knaack.h@....de>, devicetree@...r.kernel.org,
        mka@...omium.org, Jonathan.Cameron@...wei.com,
        linux-arm-msm-owner@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, agross@...nel.org,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Mark Rutland <mark.rutland@....com>,
        bjorn.andersson@...aro.org, smohanad@...eaurora.org,
        linus.walleij@...aro.org, linux-kernel@...r.kernel.org,
        aghayal@...eaurora.org, kgunda@...eaurora.org,
        Lars-Peter Clausen <lars@...afoo.de>,
        linux-arm-msm@...r.kernel.org, linux-iio@...r.kernel.org,
        Jonathan Cameron <jic23@...nel.org>
Subject: Re: [PATCH V3 2/4] iio: adc: Add PMIC7 ADC bindings

On Mon, 27 Apr 2020 18:54:03 +0530, Jishnu Prakash wrote:
> Add documentation for PMIC7 ADC peripheral.
> For the PMIC7-type PMICs, ADC peripheral is present in HW for the
> following PMICs: PMK8350, PM8350, PM8350b, PMR735a and PMR735b.
> Of these, only the ADC peripheral on PMK8350 is exposed directly to SW.
> If SW needs to communicate with ADCs on other PMICs, it specifies the
> PMIC to PMK8350 through the newly added SID register and communication
> between PMK8350 ADC and other PMIC ADCs is carried out through
> PBS(Programmable Boot Sequence) at the firmware level.
> 
> In addition, add definitions for ADC channels and virtual channel
> definitions (combination of ADC channel number and PMIC SID number)
> per PMIC, to be used by ADC clients for PMIC7.
> 
> Signed-off-by: Jishnu Prakash <jprakash@...eaurora.org>
> ---
>  .../bindings/iio/adc/qcom,spmi-vadc.yaml           | 38 ++++++++--
>  include/dt-bindings/iio/qcom,spmi-adc7-pm8350.h    | 67 ++++++++++++++++
>  include/dt-bindings/iio/qcom,spmi-adc7-pm8350b.h   | 88 ++++++++++++++++++++++
>  include/dt-bindings/iio/qcom,spmi-adc7-pmk8350.h   | 46 +++++++++++
>  include/dt-bindings/iio/qcom,spmi-adc7-pmr735a.h   | 28 +++++++
>  include/dt-bindings/iio/qcom,spmi-adc7-pmr735b.h   | 28 +++++++
>  include/dt-bindings/iio/qcom,spmi-vadc.h           | 78 ++++++++++++++++++-
>  7 files changed, 366 insertions(+), 7 deletions(-)
>  create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pm8350.h
>  create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pm8350b.h
>  create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmk8350.h
>  create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmr735a.h
>  create mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmr735b.h
> 

Reviewed-by: Rob Herring <robh@...nel.org>