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staging:iio:dac:ad5064: Add AD5025/AD5045/AD5065 support 

The AD5025/AD5045/AD5065 are identical to the AD5024/AD5044/AD5064 except that
they have 2 instead of 4 DAC channels.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lars-Peter Clausen 2012-02-21 18:38:15 +01:00 committed by Greg Kroah-Hartman
parent 83c169d57e
commit f8be4af1f2
2 changed files with 27 additions and 5 deletions
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6
drivers/staging/iio/dac/Kconfig
View File

@ -4,11 +4,11 @@
menu "Digital to analog converters" menu "Digital to analog converters"
config AD5064 config AD5064
tristate "Analog Devices AD5064/64-1/44/24 DAC driver" tristate "Analog Devices AD5064/64-1/65/44/45/24/25 DAC driver"
depends on SPI depends on SPI
help help
Say yes here to build support for Analog Devices AD5064, AD5064-1, Say yes here to build support for Analog Devices AD5024, AD5025, AD5044,
AD5044, AD5024 Digital to Analog Converter. AD5045, AD5064, AD5064-1, AD5065 Digital to Analog Converter.
To compile this driver as a module, choose M here: the To compile this driver as a module, choose M here: the
module will be called ad5064. module will be called ad5064.

26
drivers/staging/iio/dac/ad5064.c
View File

@ -1,5 +1,6 @@
/* /*
* AD5064, AD5064-1, AD5044, AD5024 Digital to analog converters driver * AD5024, AD5025, AD5044, AD5045, AD5064, AD5064-1 Digital to analog converters
* driver
* *
* Copyright 2011 Analog Devices Inc. * Copyright 2011 Analog Devices Inc.
* *
@ -84,9 +85,12 @@ struct ad5064_state {
enum ad5064_type { enum ad5064_type {
ID_AD5024, ID_AD5024,
ID_AD5025,
ID_AD5044, ID_AD5044,
ID_AD5045,
ID_AD5064, ID_AD5064,
ID_AD5064_1, ID_AD5064_1,
ID_AD5065,
}; };
static int ad5064_spi_write(struct ad5064_state *st, unsigned int cmd, static int ad5064_spi_write(struct ad5064_state *st, unsigned int cmd,
@ -301,11 +305,21 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {
.channels = ad5024_channels, .channels = ad5024_channels,
.num_channels = 4, .num_channels = 4,
}, },
[ID_AD5025] = {
.shared_vref = false,
.channels = ad5024_channels,
.num_channels = 2,
},
[ID_AD5044] = { [ID_AD5044] = {
.shared_vref = false, .shared_vref = false,
.channels = ad5044_channels, .channels = ad5044_channels,
.num_channels = 4, .num_channels = 4,
}, },
[ID_AD5045] = {
.shared_vref = false,
.channels = ad5044_channels,
.num_channels = 2,
},
[ID_AD5064] = { [ID_AD5064] = {
.shared_vref = false, .shared_vref = false,
.channels = ad5064_channels, .channels = ad5064_channels,
@ -316,6 +330,11 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {
.channels = ad5064_channels, .channels = ad5064_channels,
.num_channels = 4, .num_channels = 4,
}, },
[ID_AD5065] = {
.shared_vref = false,
.channels = ad5064_channels,
.num_channels = 2,
},
}; };
static inline unsigned int ad5064_num_vref(struct ad5064_state *st) static inline unsigned int ad5064_num_vref(struct ad5064_state *st)
@ -412,9 +431,12 @@ static int __devexit ad5064_remove(struct spi_device *spi)
static const struct spi_device_id ad5064_id[] = { static const struct spi_device_id ad5064_id[] = {
{"ad5024", ID_AD5024}, {"ad5024", ID_AD5024},
{"ad5025", ID_AD5025},
{"ad5044", ID_AD5044}, {"ad5044", ID_AD5044},
{"ad5045", ID_AD5045},
{"ad5064", ID_AD5064}, {"ad5064", ID_AD5064},
{"ad5064-1", ID_AD5064_1}, {"ad5064-1", ID_AD5064_1},
{"ad5065", ID_AD5065},
{} {}
}; };
MODULE_DEVICE_TABLE(spi, ad5064_id); MODULE_DEVICE_TABLE(spi, ad5064_id);
@ -431,5 +453,5 @@ static struct spi_driver ad5064_driver = {
module_spi_driver(ad5064_driver); module_spi_driver(ad5064_driver);
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("Analog Devices AD5064/64-1/44/24 DAC"); MODULE_DESCRIPTION("Analog Devices AD5024/25/44/45/64/64-1/65 DAC");
MODULE_LICENSE("GPL v2"); MODULE_LICENSE("GPL v2");