Commit 5691b234 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Greg Kroah-Hartman

staging:iio:dac: Add AD5421 driver

This patch adds support for the Analog Devices AD5421 Loop-Powered, 4mA to 20mA
DAC.
Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Acked-by: default avatarJonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 19c2aedc
...@@ -24,6 +24,16 @@ config AD5360 ...@@ -24,6 +24,16 @@ config AD5360
To compile this driver as module choose M here: the module will be called To compile this driver as module choose M here: the module will be called
ad5360. ad5360.
config AD5421
tristate "Analog Devices AD5421 DAC driver"
depends on SPI
help
Say yes here to build support for Analog Devices AD5421 loop-powered
digital-to-analog convertors (DAC).
To compile this driver as module choose M here: the module will be called
ad5421.
config AD5624R_SPI config AD5624R_SPI
tristate "Analog Devices AD5624/44/64R DAC spi driver" tristate "Analog Devices AD5624/44/64R DAC spi driver"
depends on SPI depends on SPI
......
...@@ -3,6 +3,7 @@ ...@@ -3,6 +3,7 @@
# #
obj-$(CONFIG_AD5360) += ad5360.o obj-$(CONFIG_AD5360) += ad5360.o
obj-$(CONFIG_AD5421) += ad5421.o
obj-$(CONFIG_AD5624R_SPI) += ad5624r_spi.o obj-$(CONFIG_AD5624R_SPI) += ad5624r_spi.o
obj-$(CONFIG_AD5064) += ad5064.o obj-$(CONFIG_AD5064) += ad5064.o
obj-$(CONFIG_AD5504) += ad5504.o obj-$(CONFIG_AD5504) += ad5504.o
......
This diff is collapsed.
#ifndef __IIO_DAC_AD5421_H__
#define __IIO_DAC_AD5421_H__
/*
* TODO: This file needs to go into include/linux/iio
*/
/**
* enum ad5421_current_range - Current range the AD5421 is configured for.
* @AD5421_CURRENT_RANGE_4mA_20mA: 4 mA to 20 mA (RANGE1,0 pins = 00)
* @AD5421_CURRENT_RANGE_3mA8_21mA: 3.8 mA to 21 mA (RANGE1,0 pins = x1)
* @AD5421_CURRENT_RANGE_3mA2_24mA: 3.2 mA to 24 mA (RANGE1,0 pins = 10)
*/
enum ad5421_current_range {
AD5421_CURRENT_RANGE_4mA_20mA,
AD5421_CURRENT_RANGE_3mA8_21mA,
AD5421_CURRENT_RANGE_3mA2_24mA,
};
/**
* struct ad5421_platform_data - AD5421 DAC driver platform data
* @external_vref: whether an external reference voltage is used or not
* @current_range: Current range the AD5421 is configured for
*/
struct ad5421_platform_data {
bool external_vref;
enum ad5421_current_range current_range;
};
#endif
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment