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iio: adc: mxs-lradc: Add support for ADC driver

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Add support for sixteen-channel 12-bit resolution ADC and its functions,
which include general-purpose ADC readings, battery voltage measurement,
and die temperature measurement.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Ksenija Stanojevic
2017-03-16 13:27:10 +01:00
committed by Lee Jones
parent ead25133e9
commit 6dd112b9f8
3 changed files with 857 additions and 0 deletions
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13
drivers/iio/adc/Kconfig
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@@ -229,6 +229,19 @@ config EXYNOS_ADC
To compile this driver as a module, choose M here: the module will be
called exynos_adc.
config MXS_LRADC_ADC
tristate "Freescale i.MX23/i.MX28 LRADC ADC"
depends on MFD_MXS_LRADC
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for the ADC functions of the
i.MX23/i.MX28 LRADC. This includes general-purpose ADC readings,
battery voltage measurement, and die temperature measurement.
This driver can also be built as a module. If so, the module will be
called mxs-lradc-adc.
config FSL_MX25_ADC
tristate "Freescale MX25 ADC driver"
depends on MFD_MX25_TSADC

1
drivers/iio/adc/Makefile
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@@ -39,6 +39,7 @@ obj-$(CONFIG_MCP3422) += mcp3422.o
obj-$(CONFIG_MEDIATEK_MT6577_AUXADC) += mt6577_auxadc.o
obj-$(CONFIG_MEN_Z188_ADC) += men_z188_adc.o
obj-$(CONFIG_MESON_SARADC) += meson_saradc.o
obj-$(CONFIG_MXS_LRADC_ADC) += mxs-lradc-adc.o
obj-$(CONFIG_MXS_LRADC) += mxs-lradc.o
obj-$(CONFIG_NAU7802) += nau7802.o
obj-$(CONFIG_PALMAS_GPADC) += palmas_gpadc.o

843
drivers/iio/adc/mxs-lradc-adc.c Normal file
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