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Add support for PMIC5 Gen2 ADC_TM, used on PMIC7 chips. It is a
close counterpart of PMIC7 ADC and has the same functionality as
PMIC5 ADC_TM, for threshold monitoring and interrupt generation.
It is present on PMK8350 alone, like PMIC7 ADC and can be used
to monitor up to 8 ADC channels, from any of the PMIC7 PMICs
having ADC on a target, through PBS(Programmable Boot Sequence).
Signed-off-by: Jishnu Prakash <quic_jprakash@quicinc.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/1648991869-20899-5-git-send-email-quic_jprakash@quicinc.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Refactor code to support multiple generations of ADC_TM devices
by defining gen number, irq name and disable, configure, isr and
init APIs in the individual data structs.
Signed-off-by: Jishnu Prakash <quic_jprakash@quicinc.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/1648991869-20899-4-git-send-email-quic_jprakash@quicinc.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The variant of the ADC Thermal Monitor block found in e.g. PM8998 is
"HC", add support for this variant to the ADC TM5 driver in order to
support using VADC channels as thermal_zones on SDM845 et al.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20211005032531.2251928-3-bjorn.andersson@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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adc_tm5_register_tzd() registers the thermal zone sensors for all
channels of the thermal monitor. If the registration of one channel
fails the function skips the processing of the remaining channels
and returns an error, which results in _probe() being aborted.
One of the reasons the registration could fail is that none of the
thermal zones is using the channel/sensor, which hardly is a critical
error (if it is an error at all). If this case is detected emit a
warning and continue with processing the remaining channels.
Fixes: ca66dca5eda6 ("thermal: qcom: add support for adc-tm5 PMIC thermal monitor")
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reported-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210823134726.1.I1dd23ddf77e5b3568625d80d6827653af071ce19@changeid
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Return -EINVAL when args is invalid instead of 'ret' which is set to
zero by a previous successful call to a function.
Fixes: ca66dca5eda6 ("thermal: qcom: add support for adc-tm5 PMIC thermal monitor")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210527092640.2070555-1-yangyingliang@huawei.com
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Currently the check of chip->channels[i].channel is against an the
uninitialized variable channels_available. I believe the variable
channels_available needs to be fetched first by the call to adc_tm5_read
before the channels check. Fix the issue swapping the order of the
channels check loop with the call to adc_tm5_read.
Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: ca66dca5eda6 ("thermal: qcom: add support for adc-tm5 PMIC thermal monitor")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210216151626.162996-1-colin.king@canonical.com
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Add support for Thermal Monitoring part of PMIC5. This part is closely
coupled with ADC, using it's channels directly. ADC-TM support
generating interrupts on ADC value crossing low or high voltage bounds,
which is used to support thermal trip points.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210205000118.493610-3-dmitry.baryshkov@linaro.org
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