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path: root/drivers/iio/dac/ad5686.c
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Diffstat (limited to 'drivers/iio/dac/ad5686.c')
-rw-r--r--drivers/iio/dac/ad5686.c44
1 files changed, 41 insertions, 3 deletions
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index a332b93ca2c4..e06b29c565b9 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: GPL-2.0
/*
* AD5686R, AD5685R, AD5684R Digital to analog converters driver
*
@@ -71,7 +71,7 @@ static ssize_t ad5686_write_dac_powerdown(struct iio_dev *indio_dev,
int ret;
struct ad5686_state *st = iio_priv(indio_dev);
unsigned int val, ref_bit_msk;
- u8 shift;
+ u8 shift, address = 0;
ret = strtobool(buf, &readin);
if (ret)
@@ -94,6 +94,9 @@ static ssize_t ad5686_write_dac_powerdown(struct iio_dev *indio_dev,
case AD5686_REGMAP:
shift = 0;
ref_bit_msk = 0;
+ /* AD5674R/AD5679R have 16 channels and 2 powerdown registers */
+ if (chan->channel > 0x7)
+ address = 0x8;
break;
case AD5693_REGMAP:
shift = 13;
@@ -107,7 +110,8 @@ static ssize_t ad5686_write_dac_powerdown(struct iio_dev *indio_dev,
if (!st->use_internal_vref)
val |= ref_bit_msk;
- ret = st->write(st, AD5686_CMD_POWERDOWN_DAC, 0, val);
+ ret = st->write(st, AD5686_CMD_POWERDOWN_DAC,
+ address, val >> (address * 2));
return ret ? ret : len;
}
@@ -226,10 +230,32 @@ static struct iio_chan_spec name[] = { \
AD5868_CHANNEL(7, 7, bits, _shift), \
}
+#define DECLARE_AD5679_CHANNELS(name, bits, _shift) \
+static struct iio_chan_spec name[] = { \
+ AD5868_CHANNEL(0, 0, bits, _shift), \
+ AD5868_CHANNEL(1, 1, bits, _shift), \
+ AD5868_CHANNEL(2, 2, bits, _shift), \
+ AD5868_CHANNEL(3, 3, bits, _shift), \
+ AD5868_CHANNEL(4, 4, bits, _shift), \
+ AD5868_CHANNEL(5, 5, bits, _shift), \
+ AD5868_CHANNEL(6, 6, bits, _shift), \
+ AD5868_CHANNEL(7, 7, bits, _shift), \
+ AD5868_CHANNEL(8, 8, bits, _shift), \
+ AD5868_CHANNEL(9, 9, bits, _shift), \
+ AD5868_CHANNEL(10, 10, bits, _shift), \
+ AD5868_CHANNEL(11, 11, bits, _shift), \
+ AD5868_CHANNEL(12, 12, bits, _shift), \
+ AD5868_CHANNEL(13, 13, bits, _shift), \
+ AD5868_CHANNEL(14, 14, bits, _shift), \
+ AD5868_CHANNEL(15, 15, bits, _shift), \
+}
+
DECLARE_AD5693_CHANNELS(ad5310r_channels, 10, 2);
DECLARE_AD5693_CHANNELS(ad5311r_channels, 10, 6);
DECLARE_AD5676_CHANNELS(ad5672_channels, 12, 4);
+DECLARE_AD5679_CHANNELS(ad5674r_channels, 12, 4);
DECLARE_AD5676_CHANNELS(ad5676_channels, 16, 0);
+DECLARE_AD5679_CHANNELS(ad5679r_channels, 16, 0);
DECLARE_AD5686_CHANNELS(ad5684_channels, 12, 4);
DECLARE_AD5686_CHANNELS(ad5685r_channels, 14, 2);
DECLARE_AD5686_CHANNELS(ad5686_channels, 16, 0);
@@ -262,6 +288,12 @@ static const struct ad5686_chip_info ad5686_chip_info_tbl[] = {
.num_channels = 8,
.regmap_type = AD5686_REGMAP,
},
+ [ID_AD5674R] = {
+ .channels = ad5674r_channels,
+ .int_vref_mv = 2500,
+ .num_channels = 16,
+ .regmap_type = AD5686_REGMAP,
+ },
[ID_AD5675R] = {
.channels = ad5676_channels,
.int_vref_mv = 2500,
@@ -279,6 +311,12 @@ static const struct ad5686_chip_info ad5686_chip_info_tbl[] = {
.num_channels = 8,
.regmap_type = AD5686_REGMAP,
},
+ [ID_AD5679R] = {
+ .channels = ad5679r_channels,
+ .int_vref_mv = 2500,
+ .num_channels = 16,
+ .regmap_type = AD5686_REGMAP,
+ },
[ID_AD5681R] = {
.channels = ad5691r_channels,
.int_vref_mv = 2500,