iio:adc: add iio driver for Palmas (twl6035/7) gpadc
This driver code was found as:
https://android.googlesource.com/kernel/tegra/+/aaabb2e045f31e5a970109ffdaae900dd403d17e/drivers/staging/iio/adc
Fixed various compilation issues and test this driver on omap5 evm.
Signed-off-by: Pradeep Goudagunta <pgoudagunta@nvidia.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Marek Belisko <marek@goldelico.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 7868c74..daad72e 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -275,6 +275,14 @@
To compile this driver as a module, choose M here: the
module will be called nau7802.
+config PALMAS_GPADC
+ tristate "TI Palmas General Purpose ADC"
+ depends on MFD_PALMAS
+ help
+ Palmas series pmic chip by Texas Instruments (twl6035/6037)
+ is used in smartphones and tablets and supports a 16 channel
+ general purpose ADC.
+
config QCOM_SPMI_IADC
tristate "Qualcomm SPMI PMIC current ADC"
depends on SPMI