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iio: adc: add support for Berlin

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This patch adds the support of the Berlin ADC, available on Berlin SoCs.
This ADC has 8 channels available, with one connected to a temperature
sensor.

The particularity here, is that the temperature sensor connected to the
ADC has its own registers, and both the ADC and the temperature sensor
must be configured when using it.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Antoine Tenart
2015-05-18 11:19:18 +02:00
committed by Jonathan Cameron
parent 90bad33acb
commit 70f1937911
3 changed files with 386 additions and 0 deletions
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7
drivers/iio/adc/Kconfig
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@@ -135,6 +135,13 @@ config AXP288_ADC
device. Depending on platform configuration, this general purpose ADC can
be used for sampling sensors such as thermal resistors.
config BERLIN2_ADC
tristate "Marvell Berlin2 ADC driver"
depends on ARCH_BERLIN
help
Marvell Berlin2 ADC driver. This ADC has 8 channels, with one used for
temperature measurement.
config DA9150_GPADC
tristate "Dialog DA9150 GPADC driver support"
depends on MFD_DA9150