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staging: IIO: DAC: AD5446: Add support for AD5601/AD5611/AD5621

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This patch adds support for the AD5601/AD5611/AD5621 single channel,
8-/10-/12-bit, buffered voltage output DACs.

Changes since v1:
Sort Kconfig description my number

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michael Hennerich 2011-03-10 13:26:48 +01:00 committed by Greg Kroah-Hartman
parent bbed4dc791
commit 2b61535a6e
3 changed files with 29 additions and 1 deletions
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3
drivers/staging/iio/dac/Kconfig
View file

@ -15,7 +15,8 @@ config AD5446
depends on SPI
help
Say yes here to build support for Analog Devices AD5444, AD5446,
AD5512A, AD5542A, AD5543, AD5553, AD5620, AD5640, AD5660 DACs.
AD5512A, AD5542A, AD5543, AD5553, AD5601, AD5611, AD5620, AD5621,
AD5640, AD5660 DACs.
To compile this driver as a module, choose M here: the
module will be called ad5446.

24
drivers/staging/iio/dac/ad5446.c
View file

@ -269,6 +269,27 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
.left_shift = 0,
.store_sample = ad5542_store_sample,
},
[ID_AD5601] = {
.bits = 8,
.storagebits = 16,
.left_shift = 6,
.store_sample = ad5542_store_sample,
.store_pwr_down = ad5620_store_pwr_down,
},
[ID_AD5611] = {
.bits = 10,
.storagebits = 16,
.left_shift = 4,
.store_sample = ad5542_store_sample,
.store_pwr_down = ad5620_store_pwr_down,
},
[ID_AD5621] = {
.bits = 12,
.storagebits = 16,
.left_shift = 2,
.store_sample = ad5542_store_sample,
.store_pwr_down = ad5620_store_pwr_down,
},
[ID_AD5620_2500] = {
.bits = 12,
.storagebits = 16,
@ -424,6 +445,9 @@ static const struct spi_device_id ad5446_id[] = {
{"ad5542a", ID_AD5542A},
{"ad5543", ID_AD5543},
{"ad5553", ID_AD5553},
{"ad5601", ID_AD5601},
{"ad5611", ID_AD5611},
{"ad5621", ID_AD5621},
{"ad5620-2500", ID_AD5620_2500}, /* AD5620/40/60: */
{"ad5620-1250", ID_AD5620_1250}, /* part numbers may look differently */
{"ad5640-2500", ID_AD5640_2500},

3
drivers/staging/iio/dac/ad5446.h
View file

@ -96,6 +96,9 @@ enum ad5446_supported_device_ids {
ID_AD5543,
ID_AD5512A,
ID_AD5553,
ID_AD5601,
ID_AD5611,
ID_AD5621,
ID_AD5620_2500,
ID_AD5620_1250,
ID_AD5640_2500,