linux-kernel - [PATCH 0/3] iio: adc: Add support for QCOM SPMI PMIC7 ADC

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Date:   Tue, 24 Mar 2020 21:14:07 +0530
From:   Jishnu Prakash <jprakash@...eaurora.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        mka@...omium.org, linus.walleij@...aro.org, sboyd@...eaurora.org,
        Jonathan.Cameron@...wei.com, smohanad@...eaurora.org,
        kgunda@...eaurora.org, aghayal@...eaurora.org
Cc:     linux-arm-msm@...r.kernel.org, linux-arm-msm-owner@...r.kernel.org,
        Jishnu Prakash <jprakash@...eaurora.org>
Subject: [PATCH 0/3] iio: adc: Add support for QCOM SPMI PMIC7 ADC

The first patch converts the ADC DT bindings from .txt to .yaml format.

The second patch updates the documentation, for PMIC7 ADC. The main
difference between PMIC5 and PMIC7 for ADC is that for PMIC7, SW requests to
ADCs (on any PMIC) need to go through the ADC on PMK8350, which communicates with
the ADCs on other PMICs through PBS. A SID register has been added for SW to specify
the PMIC with which it needs to communicate.

The third patch adds driver support for PMIC7 ADC. It also adds definitions for
PMIC7 ADC channels and virtual channel definitions per PMIC (made by combining ADC
channel number and PMIC SID), to be used by ADC clients for PMIC7.

Jishnu Prakash (3):
  iio: adc: Convert the QCOM SPMI ADC bindings to .yaml format
  iio: adc: Add PMIC7 ADC bindings
  iio: adc: Add support for PMIC7 ADC

 .../devicetree/bindings/iio/adc/qcom,spmi-vadc.txt | 173 --------------
 .../bindings/iio/adc/qcom,spmi-vadc.yaml           | 192 +++++++++++++++
 drivers/iio/adc/qcom-spmi-adc5.c                   | 239 ++++++++++++++++++-
 drivers/iio/adc/qcom-vadc-common.c                 | 260 +++++++++++++++++++++
 drivers/iio/adc/qcom-vadc-common.h                 |  14 ++
 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 ++++++-
 11 files changed, 1035 insertions(+), 178 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt
 create mode 100644 Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
 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

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