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Commit 6790e29f authored by Barry Song's avatar Barry Song Committed by Greg Kroah-Hartman
Browse files

staging: iio: dac: new driver for AD5624R devices 



This is used to convert digital streams into voltages.

Signed-off-by: default avatarBarry Song <barry.song@analog.com>
Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Acked-by: default avatarJonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 7a83f60d

drivers/staging/iio/Kconfig

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@@ -43,6 +43,7 @@ config IIO_TRIGGER 
source "drivers/staging/iio/accel/Kconfig"

source "drivers/staging/iio/adc/Kconfig"

source "drivers/staging/iio/addac/Kconfig"

source "drivers/staging/iio/dac/Kconfig"

source "drivers/staging/iio/gyro/Kconfig"

source "drivers/staging/iio/imu/Kconfig"

source "drivers/staging/iio/light/Kconfig"

drivers/staging/iio/Makefile

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@@ -12,6 +12,7 @@ obj-$(CONFIG_IIO_SW_RING) += ring_sw.o 
obj-y += accel/

obj-y += adc/

obj-y += addac/

obj-y += dac/

obj-y += gyro/

obj-y += imu/

obj-y += light/

drivers/staging/iio/dac/Kconfig

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#

# DAC drivers

#

comment "Digital to analog convertors"



config AD5624R_SPI

	tristate "Analog Devices AD5624/44/64R DAC spi driver"

	depends on SPI

	help

	  Say yes here to build support for Analog Devices AD5624R, AD5644R and

	  AD5664R convertors (DAC). This driver uses the common SPI interface.

drivers/staging/iio/dac/Makefile

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#

# Makefile for industrial I/O DAC drivers

#



obj-$(CONFIG_AD5624R_SPI) += ad5624r_spi.o

drivers/staging/iio/dac/ad5624r.h

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#ifndef SPI_AD5624R_H_

#define SPI_AD5624R_H_



#define AD5624R_DAC_CHANNELS	4



#define AD5624R_ADDR_DAC0	0x0

#define AD5624R_ADDR_DAC1	0x1

#define AD5624R_ADDR_DAC2	0x2

#define AD5624R_ADDR_DAC3	0x3

#define AD5624R_ADDR_ALL_DAC	0x7



#define AD5624R_CMD_WRITE_INPUT_N             0x0

#define AD5624R_CMD_UPDATE_DAC_N              0x1

#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_ALL  0x2

#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_N    0x3

#define AD5624R_CMD_POWERDOWN_DAC             0x4

#define AD5624R_CMD_RESET                     0x5

#define AD5624R_CMD_LDAC_SETUP                0x6

#define AD5624R_CMD_INTERNAL_REFER_SETUP      0x7



#endif