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3 Commits

Author SHA1 Message Date
Matthias Kaehlcke 1e46774fec iio: adc: qcom-spmi-adc5: Verify channel numbers from DT 
The driver only defines a subset of all possible ADC channels. Channel
numbers read from the device tree are accepted as long as they don't
exceed a max value, even when no channel definition exists. Add a
check to abort initialization in this case.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2018-09-02 18:52:04 +01:00
Matthias Kaehlcke 4d0434f129 iio: adc: qcom-spmi-adc5: Add ADC5_AMUX_THM[24]_100K_PU to rev2 channel list 
Add ADC5_AMUX_THM2_100K_PU and ADC5_AMUX_THM4_100K_PU to the list of
rev2 ADC channels.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2018-08-19 17:51:27 +01:00
Siddartha Mohanadoss e13d757279 iio: adc: Add QCOM SPMI PMIC5 ADC driver 
This patch adds support for QCOM SPMI PMIC5 family
of ADC driver that supports hardware based offset and
gain compensation. The ADC peripheral can measure both
voltage and current channels whose input signal is
connected to the PMIC ADC AMUX.

The register set and configuration has been refreshed
compared to the prior QCOM PMIC ADC family. Register
ADC5 as part of the IIO framework.

Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2018-08-18 18:11:43 +01:00