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Diffstat (limited to 'drivers/iio/dac/ad5064.c')
-rw-r--r--drivers/iio/dac/ad5064.c391
1 files changed, 357 insertions, 34 deletions
diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c
index 81ca0081a019..6803e4a137cd 100644
--- a/drivers/iio/dac/ad5064.c
+++ b/drivers/iio/dac/ad5064.c
@@ -1,6 +1,9 @@
/*
- * AD5024, AD5025, AD5044, AD5045, AD5064, AD5064-1, AD5065, AD5628, AD5629R,
- * AD5648, AD5666, AD5668, AD5669R Digital to analog converters driver
+ * AD5024, AD5025, AD5044, AD5045, AD5064, AD5064-1, AD5065, AD5625, AD5625R,
+ * AD5627, AD5627R, AD5628, AD5629R, AD5645R, AD5647R, AD5648, AD5665, AD5665R,
+ * AD5666, AD5667, AD5667R, AD5668, AD5669R, LTC2606, LTC2607, LTC2609, LTC2616,
+ * LTC2617, LTC2619, LTC2626, LTC2627, LTC2629 Digital to analog converters
+ * driver
*
* Copyright 2011 Analog Devices Inc.
*
@@ -39,6 +42,9 @@
#define AD5064_CMD_RESET 0x7
#define AD5064_CMD_CONFIG 0x8
+#define AD5064_CMD_RESET_V2 0x5
+#define AD5064_CMD_CONFIG_V2 0x7
+
#define AD5064_CONFIG_DAISY_CHAIN_ENABLE BIT(1)
#define AD5064_CONFIG_INT_VREF_ENABLE BIT(0)
@@ -48,12 +54,25 @@
#define AD5064_LDAC_PWRDN_3STATE 0x3
/**
+ * enum ad5064_regmap_type - Register layout variant
+ * @AD5064_REGMAP_ADI: Old Analog Devices register map layout
+ * @AD5064_REGMAP_ADI2: New Analog Devices register map layout
+ * @AD5064_REGMAP_LTC: LTC register map layout
+ */
+enum ad5064_regmap_type {
+ AD5064_REGMAP_ADI,
+ AD5064_REGMAP_ADI2,
+ AD5064_REGMAP_LTC,
+};
+
+/**
* struct ad5064_chip_info - chip specific information
* @shared_vref: whether the vref supply is shared between channels
- * @internal_vref: internal reference voltage. 0 if the chip has no internal
- * vref.
+ * @internal_vref: internal reference voltage. 0 if the chip has no
+ internal vref.
* @channel: channel specification
* @num_channels: number of channels
+ * @regmap_type: register map layout variant
*/
struct ad5064_chip_info {
@@ -61,6 +80,7 @@ struct ad5064_chip_info {
unsigned long internal_vref;
const struct iio_chan_spec *channels;
unsigned int num_channels;
+ enum ad5064_regmap_type regmap_type;
};
struct ad5064_state;
@@ -111,18 +131,43 @@ enum ad5064_type {
ID_AD5064,
ID_AD5064_1,
ID_AD5065,
+ ID_AD5625,
+ ID_AD5625R_1V25,
+ ID_AD5625R_2V5,
+ ID_AD5627,
+ ID_AD5627R_1V25,
+ ID_AD5627R_2V5,
ID_AD5628_1,
ID_AD5628_2,
ID_AD5629_1,
ID_AD5629_2,
+ ID_AD5645R_1V25,
+ ID_AD5645R_2V5,
+ ID_AD5647R_1V25,
+ ID_AD5647R_2V5,
ID_AD5648_1,
ID_AD5648_2,
+ ID_AD5665,
+ ID_AD5665R_1V25,
+ ID_AD5665R_2V5,
ID_AD5666_1,
ID_AD5666_2,
+ ID_AD5667,
+ ID_AD5667R_1V25,
+ ID_AD5667R_2V5,
ID_AD5668_1,
ID_AD5668_2,
ID_AD5669_1,
ID_AD5669_2,
+ ID_LTC2606,
+ ID_LTC2607,
+ ID_LTC2609,
+ ID_LTC2616,
+ ID_LTC2617,
+ ID_LTC2619,
+ ID_LTC2626,
+ ID_LTC2627,
+ ID_LTC2629,
};
static int ad5064_write(struct ad5064_state *st, unsigned int cmd,
@@ -136,15 +181,27 @@ static int ad5064_write(struct ad5064_state *st, unsigned int cmd,
static int ad5064_sync_powerdown_mode(struct ad5064_state *st,
const struct iio_chan_spec *chan)
{
- unsigned int val;
+ unsigned int val, address;
+ unsigned int shift;
int ret;
- val = (0x1 << chan->address);
+ if (st->chip_info->regmap_type == AD5064_REGMAP_LTC) {
+ val = 0;
+ address = chan->address;
+ } else {
+ if (st->chip_info->regmap_type == AD5064_REGMAP_ADI2)
+ shift = 4;
+ else
+ shift = 8;
+
+ val = (0x1 << chan->address);
+ address = 0;
- if (st->pwr_down[chan->channel])
- val |= st->pwr_down_mode[chan->channel] << 8;
+ if (st->pwr_down[chan->channel])
+ val |= st->pwr_down_mode[chan->channel] << shift;
+ }
- ret = ad5064_write(st, AD5064_CMD_POWERDOWN_DAC, 0, val, 0);
+ ret = ad5064_write(st, AD5064_CMD_POWERDOWN_DAC, address, val, 0);
return ret;
}
@@ -155,6 +212,10 @@ static const char * const ad5064_powerdown_modes[] = {
"three_state",
};
+static const char * const ltc2617_powerdown_modes[] = {
+ "90kohm_to_gnd",
+};
+
static int ad5064_get_powerdown_mode(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan)
{
@@ -185,6 +246,13 @@ static const struct iio_enum ad5064_powerdown_mode_enum = {
.set = ad5064_set_powerdown_mode,
};
+static const struct iio_enum ltc2617_powerdown_mode_enum = {
+ .items = ltc2617_powerdown_modes,
+ .num_items = ARRAY_SIZE(ltc2617_powerdown_modes),
+ .get = ad5064_get_powerdown_mode,
+ .set = ad5064_set_powerdown_mode,
+};
+
static ssize_t ad5064_read_dac_powerdown(struct iio_dev *indio_dev,
uintptr_t private, const struct iio_chan_spec *chan, char *buf)
{
@@ -295,7 +363,19 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
{ },
};
-#define AD5064_CHANNEL(chan, addr, bits, _shift) { \
+static const struct iio_chan_spec_ext_info ltc2617_ext_info[] = {
+ {
+ .name = "powerdown",
+ .read = ad5064_read_dac_powerdown,
+ .write = ad5064_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
+ },
+ IIO_ENUM("powerdown_mode", IIO_SEPARATE, &ltc2617_powerdown_mode_enum),
+ IIO_ENUM_AVAILABLE("powerdown_mode", &ltc2617_powerdown_mode_enum),
+ { },
+};
+
+#define AD5064_CHANNEL(chan, addr, bits, _shift, _ext_info) { \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.output = 1, \
@@ -309,145 +389,340 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
.storagebits = 16, \
.shift = (_shift), \
}, \
- .ext_info = ad5064_ext_info, \
+ .ext_info = (_ext_info), \
}
-#define DECLARE_AD5064_CHANNELS(name, bits, shift) \
+#define DECLARE_AD5064_CHANNELS(name, bits, shift, ext_info) \
const struct iio_chan_spec name[] = { \
- AD5064_CHANNEL(0, 0, bits, shift), \
- AD5064_CHANNEL(1, 1, bits, shift), \
- AD5064_CHANNEL(2, 2, bits, shift), \
- AD5064_CHANNEL(3, 3, bits, shift), \
- AD5064_CHANNEL(4, 4, bits, shift), \
- AD5064_CHANNEL(5, 5, bits, shift), \
- AD5064_CHANNEL(6, 6, bits, shift), \
- AD5064_CHANNEL(7, 7, bits, shift), \
+ AD5064_CHANNEL(0, 0, bits, shift, ext_info), \
+ AD5064_CHANNEL(1, 1, bits, shift, ext_info), \
+ AD5064_CHANNEL(2, 2, bits, shift, ext_info), \
+ AD5064_CHANNEL(3, 3, bits, shift, ext_info), \
+ AD5064_CHANNEL(4, 4, bits, shift, ext_info), \
+ AD5064_CHANNEL(5, 5, bits, shift, ext_info), \
+ AD5064_CHANNEL(6, 6, bits, shift, ext_info), \
+ AD5064_CHANNEL(7, 7, bits, shift, ext_info), \
}
-#define DECLARE_AD5065_CHANNELS(name, bits, shift) \
+#define DECLARE_AD5065_CHANNELS(name, bits, shift, ext_info) \
const struct iio_chan_spec name[] = { \
- AD5064_CHANNEL(0, 0, bits, shift), \
- AD5064_CHANNEL(1, 3, bits, shift), \
+ AD5064_CHANNEL(0, 0, bits, shift, ext_info), \
+ AD5064_CHANNEL(1, 3, bits, shift, ext_info), \
}
-static DECLARE_AD5064_CHANNELS(ad5024_channels, 12, 8);
-static DECLARE_AD5064_CHANNELS(ad5044_channels, 14, 6);
-static DECLARE_AD5064_CHANNELS(ad5064_channels, 16, 4);
+static DECLARE_AD5064_CHANNELS(ad5024_channels, 12, 8, ad5064_ext_info);
+static DECLARE_AD5064_CHANNELS(ad5044_channels, 14, 6, ad5064_ext_info);
+static DECLARE_AD5064_CHANNELS(ad5064_channels, 16, 4, ad5064_ext_info);
+
+static DECLARE_AD5065_CHANNELS(ad5025_channels, 12, 8, ad5064_ext_info);
+static DECLARE_AD5065_CHANNELS(ad5045_channels, 14, 6, ad5064_ext_info);
+static DECLARE_AD5065_CHANNELS(ad5065_channels, 16, 4, ad5064_ext_info);
-static DECLARE_AD5065_CHANNELS(ad5025_channels, 12, 8);
-static DECLARE_AD5065_CHANNELS(ad5045_channels, 14, 6);
-static DECLARE_AD5065_CHANNELS(ad5065_channels, 16, 4);
+static DECLARE_AD5064_CHANNELS(ad5629_channels, 12, 4, ad5064_ext_info);
+static DECLARE_AD5064_CHANNELS(ad5645_channels, 14, 2, ad5064_ext_info);
+static DECLARE_AD5064_CHANNELS(ad5669_channels, 16, 0, ad5064_ext_info);
-static DECLARE_AD5064_CHANNELS(ad5629_channels, 12, 4);
-static DECLARE_AD5064_CHANNELS(ad5669_channels, 16, 0);
+static DECLARE_AD5064_CHANNELS(ltc2607_channels, 16, 0, ltc2617_ext_info);
+static DECLARE_AD5064_CHANNELS(ltc2617_channels, 14, 2, ltc2617_ext_info);
+static DECLARE_AD5064_CHANNELS(ltc2627_channels, 12, 4, ltc2617_ext_info);
static const struct ad5064_chip_info ad5064_chip_info_tbl[] = {
[ID_AD5024] = {
.shared_vref = false,
.channels = ad5024_channels,
.num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5025] = {
.shared_vref = false,
.channels = ad5025_channels,
.num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5044] = {
.shared_vref = false,
.channels = ad5044_channels,
.num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5045] = {
.shared_vref = false,
.channels = ad5045_channels,
.num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5064] = {
.shared_vref = false,
.channels = ad5064_channels,
.num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5064_1] = {
.shared_vref = true,
.channels = ad5064_channels,
.num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5065] = {
.shared_vref = false,
.channels = ad5065_channels,
.num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI,
+ },
+ [ID_AD5625] = {
+ .shared_vref = true,
+ .channels = ad5629_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5625R_1V25] = {
+ .shared_vref = true,
+ .internal_vref = 1250000,
+ .channels = ad5629_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5625R_2V5] = {
+ .shared_vref = true,
+ .internal_vref = 2500000,
+ .channels = ad5629_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5627] = {
+ .shared_vref = true,
+ .channels = ad5629_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5627R_1V25] = {
+ .shared_vref = true,
+ .internal_vref = 1250000,
+ .channels = ad5629_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5627R_2V5] = {
+ .shared_vref = true,
+ .internal_vref = 2500000,
+ .channels = ad5629_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI2
},
[ID_AD5628_1] = {
.shared_vref = true,
.internal_vref = 2500000,
.channels = ad5024_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5628_2] = {
.shared_vref = true,
.internal_vref = 5000000,
.channels = ad5024_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5629_1] = {
.shared_vref = true,
.internal_vref = 2500000,
.channels = ad5629_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5629_2] = {
.shared_vref = true,
.internal_vref = 5000000,
.channels = ad5629_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
+ },
+ [ID_AD5645R_1V25] = {
+ .shared_vref = true,
+ .internal_vref = 1250000,
+ .channels = ad5645_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5645R_2V5] = {
+ .shared_vref = true,
+ .internal_vref = 2500000,
+ .channels = ad5645_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5647R_1V25] = {
+ .shared_vref = true,
+ .internal_vref = 1250000,
+ .channels = ad5645_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5647R_2V5] = {
+ .shared_vref = true,
+ .internal_vref = 2500000,
+ .channels = ad5645_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI2
},
[ID_AD5648_1] = {
.shared_vref = true,
.internal_vref = 2500000,
.channels = ad5044_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5648_2] = {
.shared_vref = true,
.internal_vref = 5000000,
.channels = ad5044_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
+ },
+ [ID_AD5665] = {
+ .shared_vref = true,
+ .channels = ad5669_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5665R_1V25] = {
+ .shared_vref = true,
+ .internal_vref = 1250000,
+ .channels = ad5669_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5665R_2V5] = {
+ .shared_vref = true,
+ .internal_vref = 2500000,
+ .channels = ad5669_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI2
},
[ID_AD5666_1] = {
.shared_vref = true,
.internal_vref = 2500000,
.channels = ad5064_channels,
.num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5666_2] = {
.shared_vref = true,
.internal_vref = 5000000,
.channels = ad5064_channels,
.num_channels = 4,
+ .regmap_type = AD5064_REGMAP_ADI,
+ },
+ [ID_AD5667] = {
+ .shared_vref = true,
+ .channels = ad5669_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5667R_1V25] = {
+ .shared_vref = true,
+ .internal_vref = 1250000,
+ .channels = ad5669_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI2
+ },
+ [ID_AD5667R_2V5] = {
+ .shared_vref = true,
+ .internal_vref = 2500000,
+ .channels = ad5669_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_ADI2
},
[ID_AD5668_1] = {
.shared_vref = true,
.internal_vref = 2500000,
.channels = ad5064_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5668_2] = {
.shared_vref = true,
.internal_vref = 5000000,
.channels = ad5064_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5669_1] = {
.shared_vref = true,
.internal_vref = 2500000,
.channels = ad5669_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
},
[ID_AD5669_2] = {
.shared_vref = true,
.internal_vref = 5000000,
.channels = ad5669_channels,
.num_channels = 8,
+ .regmap_type = AD5064_REGMAP_ADI,
+ },
+ [ID_LTC2606] = {
+ .shared_vref = true,
+ .internal_vref = 0,
+ .channels = ltc2607_channels,
+ .num_channels = 1,
+ .regmap_type = AD5064_REGMAP_LTC,
+ },
+ [ID_LTC2607] = {
+ .shared_vref = true,
+ .internal_vref = 0,
+ .channels = ltc2607_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_LTC,
+ },
+ [ID_LTC2609] = {
+ .shared_vref = false,
+ .internal_vref = 0,
+ .channels = ltc2607_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_LTC,
+ },
+ [ID_LTC2616] = {
+ .shared_vref = true,
+ .internal_vref = 0,
+ .channels = ltc2617_channels,
+ .num_channels = 1,
+ .regmap_type = AD5064_REGMAP_LTC,
+ },
+ [ID_LTC2617] = {
+ .shared_vref = true,
+ .internal_vref = 0,
+ .channels = ltc2617_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_LTC,
+ },
+ [ID_LTC2619] = {
+ .shared_vref = false,
+ .internal_vref = 0,
+ .channels = ltc2617_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_LTC,
+ },
+ [ID_LTC2626] = {
+ .shared_vref = true,
+ .internal_vref = 0,
+ .channels = ltc2627_channels,
+ .num_channels = 1,
+ .regmap_type = AD5064_REGMAP_LTC,
+ },
+ [ID_LTC2627] = {
+ .shared_vref = true,
+ .internal_vref = 0,
+ .channels = ltc2627_channels,
+ .num_channels = 2,
+ .regmap_type = AD5064_REGMAP_LTC,
+ },
+ [ID_LTC2629] = {
+ .shared_vref = false,
+ .internal_vref = 0,
+ .channels = ltc2627_channels,
+ .num_channels = 4,
+ .regmap_type = AD5064_REGMAP_LTC,
},
};
@@ -469,6 +744,22 @@ static const char * const ad5064_vref_name(struct ad5064_state *st,
return st->chip_info->shared_vref ? "vref" : ad5064_vref_names[vref];
}
+static int ad5064_set_config(struct ad5064_state *st, unsigned int val)
+{
+ unsigned int cmd;
+
+ switch (st->chip_info->regmap_type) {
+ case AD5064_REGMAP_ADI2:
+ cmd = AD5064_CMD_CONFIG_V2;
+ break;
+ default:
+ cmd = AD5064_CMD_CONFIG;
+ break;
+ }
+
+ return ad5064_write(st, cmd, 0, val, 0);
+}
+
static int ad5064_probe(struct device *dev, enum ad5064_type type,
const char *name, ad5064_write_func write)
{
@@ -498,8 +789,7 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,
if (!st->chip_info->internal_vref)
return ret;
st->use_internal_vref = true;
- ret = ad5064_write(st, AD5064_CMD_CONFIG, 0,
- AD5064_CONFIG_INT_VREF_ENABLE, 0);
+ ret = ad5064_set_config(st, AD5064_CONFIG_INT_VREF_ENABLE);
if (ret) {
dev_err(dev, "Failed to enable internal vref: %d\n",
ret);
@@ -628,9 +918,19 @@ static int ad5064_i2c_write(struct ad5064_state *st, unsigned int cmd,
unsigned int addr, unsigned int val)
{
struct i2c_client *i2c = to_i2c_client(st->dev);
+ unsigned int cmd_shift;
int ret;
- st->data.i2c[0] = (cmd << 4) | addr;
+ switch (st->chip_info->regmap_type) {
+ case AD5064_REGMAP_ADI2:
+ cmd_shift = 3;
+ break;
+ default:
+ cmd_shift = 4;
+ break;
+ }
+
+ st->data.i2c[0] = (cmd << cmd_shift) | addr;
put_unaligned_be16(val, &st->data.i2c[1]);
ret = i2c_master_send(i2c, st->data.i2c, 3);
@@ -653,12 +953,35 @@ static int ad5064_i2c_remove(struct i2c_client *i2c)
}
static const struct i2c_device_id ad5064_i2c_ids[] = {
+ {"ad5625", ID_AD5625 },
+ {"ad5625r-1v25", ID_AD5625R_1V25 },
+ {"ad5625r-2v5", ID_AD5625R_2V5 },
+ {"ad5627", ID_AD5627 },
+ {"ad5627r-1v25", ID_AD5627R_1V25 },
+ {"ad5627r-2v5", ID_AD5627R_2V5 },
{"ad5629-1", ID_AD5629_1},
{"ad5629-2", ID_AD5629_2},
{"ad5629-3", ID_AD5629_2}, /* similar enough to ad5629-2 */
+ {"ad5645r-1v25", ID_AD5645R_1V25 },
+ {"ad5645r-2v5", ID_AD5645R_2V5 },
+ {"ad5665", ID_AD5665 },
+ {"ad5665r-1v25", ID_AD5665R_1V25 },
+ {"ad5665r-2v5", ID_AD5665R_2V5 },
+ {"ad5667", ID_AD5667 },
+ {"ad5667r-1v25", ID_AD5667R_1V25 },
+ {"ad5667r-2v5", ID_AD5667R_2V5 },
{"ad5669-1", ID_AD5669_1},
{"ad5669-2", ID_AD5669_2},
{"ad5669-3", ID_AD5669_2}, /* similar enough to ad5669-2 */
+ {"ltc2606", ID_LTC2606},
+ {"ltc2607", ID_LTC2607},
+ {"ltc2609", ID_LTC2609},
+ {"ltc2616", ID_LTC2616},
+ {"ltc2617", ID_LTC2617},
+ {"ltc2619", ID_LTC2619},
+ {"ltc2626", ID_LTC2626},
+ {"ltc2627", ID_LTC2627},
+ {"ltc2629", ID_LTC2629},
{}
};
MODULE_DEVICE_TABLE(i2c, ad5064_i2c_ids);