ARM: AT91: IIO: Add AT91 ADC driver.

Add the ADC driver for Atmel's AT91SAM9G20-EK, AT91SAM9M10G45-EK
and AT91SAM9X5 family boards.

It has support for both software and hardware triggers.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
new file mode 100644
index 000000000000..9a0df8123cc4
--- /dev/null
+++ b/drivers/iio/adc/Kconfig
@@ -0,0 +1,16 @@
+#
+# ADC drivers
+#
+menu "Analog to digital converters"
+
+config AT91_ADC
+        tristate "Atmel AT91 ADC"
+        depends on ARCH_AT91
+        select IIO_BUFFER
+        select IIO_KFIFO_BUF
+        select IIO_TRIGGER
+        select SYSFS
+        help
+          Say yes here to build support for Atmel AT91 ADC.
+
+endmenu