[PATCH v3 2/2] iio: dac: Add AD5529R DAC driver support
From: Janani Sunil
Date: Tue May 19 2026 - 11:57:25 EST
Add support for AD5529R 16-channel, 12/16 bit Digital to Analog Converter
Signed-off-by: Janani Sunil <janani.sunil@xxxxxxxxxx>
---
MAINTAINERS | 1 +
drivers/iio/dac/Kconfig | 17 ++
drivers/iio/dac/Makefile | 1 +
drivers/iio/dac/ad5529r.c | 527 ++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 546 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 320e84765ce6..143714e27d51 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1513,6 +1513,7 @@ L: linux-iio@xxxxxxxxxxxxxxx
S: Supported
W: https://ez.analog.com/linux-software-drivers
F: Documentation/devicetree/bindings/iio/dac/adi,ad5529r.yaml
+F: drivers/iio/dac/ad5529r.c
ANALOG DEVICES INC AD5706R DRIVER
M: Alexis Czezar Torreno <alexisczezar.torreno@xxxxxxxxxx>
diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index 657c68e75542..bb1d59889a2a 100644
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -134,6 +134,23 @@ config AD5449
To compile this driver as a module, choose M here: the
module will be called ad5449.
+config AD5529R
+ tristate "Analog Devices AD5529R High Voltage DAC driver"
+ depends on SPI_MASTER
+ select REGMAP_SPI
+ help
+ Say yes here to build support for Analog Devices AD5529R
+ 16-Channel, 12-Bit/16-Bit, 40V High Voltage Precision Digital to Analog
+ Converter.
+
+ The device features multiple output voltage ranges from -20V to +20V,
+ built-in 4.096V voltage reference, and digital functions including
+ toggle, dither, and ramp modes. Supports both 12-bit and 16-bit
+ resolution variants.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad5529r.
+
config AD5592R_BASE
tristate
diff --git a/drivers/iio/dac/Makefile b/drivers/iio/dac/Makefile
index 003431798498..f35e060b3643 100644
--- a/drivers/iio/dac/Makefile
+++ b/drivers/iio/dac/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_AD5446) += ad5446.o
obj-$(CONFIG_AD5446_SPI) += ad5446-spi.o
obj-$(CONFIG_AD5446_I2C) += ad5446-i2c.o
obj-$(CONFIG_AD5449) += ad5449.o
+obj-$(CONFIG_AD5529R) += ad5529r.o
obj-$(CONFIG_AD5592R_BASE) += ad5592r-base.o
obj-$(CONFIG_AD5592R) += ad5592r.o
obj-$(CONFIG_AD5593R) += ad5593r.o
diff --git a/drivers/iio/dac/ad5529r.c b/drivers/iio/dac/ad5529r.c
new file mode 100644
index 000000000000..9bb63030db95
--- /dev/null
+++ b/drivers/iio/dac/ad5529r.c
@@ -0,0 +1,527 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * AD5529R Digital-to-Analog Converter Driver
+ * 16-Channel, 12/16-Bit, 40V High Voltage Precision DAC
+ *
+ * Copyright 2026 Analog Devices Inc.
+ * Author: Janani Sunil <janani.sunil@xxxxxxxxxx>
+ */
+
+#include <linux/array_size.h>
+#include <linux/bits.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/iio/iio.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
+#include <linux/spi/spi.h>
+
+#define AD5529R_REG_INTERFACE_CONFIG_A 0x00
+#define AD5529R_REG_DEVICE_CONFIG 0x02
+#define AD5529R_REG_CHIP_GRADE 0x06
+#define AD5529R_REG_SCRATCH_PAD 0x0A
+#define AD5529R_REG_SPI_REVISION 0x0B
+#define AD5529R_REG_VENDOR_H 0x0D
+#define AD5529R_REG_STREAM_MODE 0x0E
+#define AD5529R_REG_INTERFACE_STATUS_A 0x11
+#define AD5529R_REG_MULTI_DAC_CH_SEL 0x14
+#define AD5529R_REG_OUT_RANGE_BASE 0x3C
+#define AD5529R_REG_OUT_RANGE(ch) (AD5529R_REG_OUT_RANGE_BASE + (ch) * 2)
+#define AD5529R_REG_DAC_INPUT_A_BASE 0x148
+#define AD5529R_REG_DAC_INPUT_A(ch) (AD5529R_REG_DAC_INPUT_A_BASE + (ch) * 2)
+#define AD5529R_REG_DAC_DATA_READBACK_BASE 0x16A
+#define AD5529R_REG_TSENS_ALERT_FLAG 0x18C
+#define AD5529R_REG_TSENS_SHTD_FLAG 0x18E
+#define AD5529R_REG_FUNC_BUSY 0x1A0
+#define AD5529R_REG_REF_SEL 0x1A2
+#define AD5529R_REG_INIT_CRC_ERR_STAT 0x1A4
+#define AD5529R_REG_MULTI_DAC_HOTPATH_SW_LDAC 0x1A8
+
+#define AD5529R_INTERFACE_CONFIG_A_SW_RESET (BIT(7) | BIT(0))
+#define AD5529R_INTERFACE_CONFIG_A_ADDR_ASCENSION BIT(5)
+#define AD5529R_INTERFACE_CONFIG_A_SDO_ENABLE BIT(4)
+#define AD5529R_REF_SEL_MASK BIT(0)
+#define AD5529R_MAX_REGISTER 0x232
+#define AD5529R_8BIT_REG_MAX 0x13
+#define AD5529R_SPI_READ_FLAG 0x80
+
+struct ad5529r_model_data {
+ const char *model_name;
+ unsigned int resolution;
+ const struct iio_chan_spec *channels;
+ unsigned int num_channels;
+};
+
+#define AD5529R_DAC_CHANNEL(chan, bits) { \
+ .type = IIO_VOLTAGE, \
+ .indexed = 1, \
+ .output = 1, \
+ .channel = (chan), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_SCALE) | \
+ BIT(IIO_CHAN_INFO_OFFSET), \
+ .scan_type = { \
+ .format = 'u', \
+ .realbits = (bits), \
+ .storagebits = 16, \
+ }, \
+}
+
+static const char * const ad5529r_supply_names[] = {
+ "vdd",
+ "avdd",
+ "hvdd",
+};
+
+static const struct iio_chan_spec ad5529r_channels_16bit[] = {
+ AD5529R_DAC_CHANNEL(0, 16),
+ AD5529R_DAC_CHANNEL(1, 16),
+ AD5529R_DAC_CHANNEL(2, 16),
+ AD5529R_DAC_CHANNEL(3, 16),
+ AD5529R_DAC_CHANNEL(4, 16),
+ AD5529R_DAC_CHANNEL(5, 16),
+ AD5529R_DAC_CHANNEL(6, 16),
+ AD5529R_DAC_CHANNEL(7, 16),
+ AD5529R_DAC_CHANNEL(8, 16),
+ AD5529R_DAC_CHANNEL(9, 16),
+ AD5529R_DAC_CHANNEL(10, 16),
+ AD5529R_DAC_CHANNEL(11, 16),
+ AD5529R_DAC_CHANNEL(12, 16),
+ AD5529R_DAC_CHANNEL(13, 16),
+ AD5529R_DAC_CHANNEL(14, 16),
+ AD5529R_DAC_CHANNEL(15, 16),
+};
+
+static const struct iio_chan_spec ad5529r_channels_12bit[] = {
+ AD5529R_DAC_CHANNEL(0, 12),
+ AD5529R_DAC_CHANNEL(1, 12),
+ AD5529R_DAC_CHANNEL(2, 12),
+ AD5529R_DAC_CHANNEL(3, 12),
+ AD5529R_DAC_CHANNEL(4, 12),
+ AD5529R_DAC_CHANNEL(5, 12),
+ AD5529R_DAC_CHANNEL(6, 12),
+ AD5529R_DAC_CHANNEL(7, 12),
+ AD5529R_DAC_CHANNEL(8, 12),
+ AD5529R_DAC_CHANNEL(9, 12),
+ AD5529R_DAC_CHANNEL(10, 12),
+ AD5529R_DAC_CHANNEL(11, 12),
+ AD5529R_DAC_CHANNEL(12, 12),
+ AD5529R_DAC_CHANNEL(13, 12),
+ AD5529R_DAC_CHANNEL(14, 12),
+ AD5529R_DAC_CHANNEL(15, 12),
+};
+
+static const struct ad5529r_model_data ad5529r_16bit_model_data = {
+ .model_name = "ad5529r-16",
+ .resolution = 16,
+ .channels = ad5529r_channels_16bit,
+ .num_channels = ARRAY_SIZE(ad5529r_channels_16bit),
+};
+
+static const struct ad5529r_model_data ad5529r_12bit_model_data = {
+ .model_name = "ad5529r-12",
+ .resolution = 12,
+ .channels = ad5529r_channels_12bit,
+ .num_channels = ARRAY_SIZE(ad5529r_channels_12bit),
+};
+
+enum ad5529r_output_range {
+ AD5529R_RANGE_0V_5V,
+ AD5529R_RANGE_0V_10V,
+ AD5529R_RANGE_0V_20V,
+ AD5529R_RANGE_0V_40V,
+ AD5529R_RANGE_NEG5V_5V,
+ AD5529R_RANGE_NEG10V_10V,
+ AD5529R_RANGE_NEG15V_15V,
+ AD5529R_RANGE_NEG20V_20V,
+};
+
+static const s32 ad5529r_output_ranges_mv[8][2] = {
+ [AD5529R_RANGE_0V_5V] = { 0, 5000 },
+ [AD5529R_RANGE_0V_10V] = { 0, 10000 },
+ [AD5529R_RANGE_0V_20V] = { 0, 20000 },
+ [AD5529R_RANGE_0V_40V] = { 0, 40000 },
+ [AD5529R_RANGE_NEG5V_5V] = { -5000, 5000 },
+ [AD5529R_RANGE_NEG10V_10V] = { -10000, 10000 },
+ [AD5529R_RANGE_NEG15V_15V] = { -15000, 15000 },
+ [AD5529R_RANGE_NEG20V_20V] = { -20000, 20000 },
+};
+
+struct ad5529r_state {
+ struct spi_device *spi;
+ const struct ad5529r_model_data *model_data;
+ struct regmap *regmap_8bit;
+ struct regmap *regmap_16bit;
+ struct regulator *vref_regulator;
+ enum ad5529r_output_range output_range_idx[16];
+};
+
+static const struct regmap_range ad5529r_8bit_readable_ranges[] = {
+ regmap_reg_range(AD5529R_REG_INTERFACE_CONFIG_A, AD5529R_REG_CHIP_GRADE),
+ regmap_reg_range(AD5529R_REG_SCRATCH_PAD, AD5529R_REG_VENDOR_H),
+ regmap_reg_range(AD5529R_REG_STREAM_MODE, AD5529R_REG_INTERFACE_STATUS_A),
+};
+
+static const struct regmap_range ad5529r_16bit_readable_ranges[] = {
+ regmap_reg_range(AD5529R_REG_MULTI_DAC_CH_SEL, AD5529R_REG_INIT_CRC_ERR_STAT),
+ regmap_reg_range(AD5529R_REG_MULTI_DAC_HOTPATH_SW_LDAC, AD5529R_MAX_REGISTER),
+};
+
+static const struct regmap_access_table ad5529r_8bit_readable_table = {
+ .yes_ranges = ad5529r_8bit_readable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(ad5529r_8bit_readable_ranges),
+};
+
+static const struct regmap_access_table ad5529r_16bit_readable_table = {
+ .yes_ranges = ad5529r_16bit_readable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(ad5529r_16bit_readable_ranges),
+};
+
+static const struct regmap_range ad5529r_8bit_read_only_ranges[] = {
+ regmap_reg_range(AD5529R_REG_DEVICE_CONFIG, AD5529R_REG_CHIP_GRADE),
+ regmap_reg_range(AD5529R_REG_SPI_REVISION, AD5529R_REG_VENDOR_H),
+};
+
+static const struct regmap_range ad5529r_16bit_read_only_ranges[] = {
+ regmap_reg_range(AD5529R_REG_DAC_DATA_READBACK_BASE,
+ (AD5529R_REG_DAC_DATA_READBACK_BASE + 15 * 2)),
+ regmap_reg_range(AD5529R_REG_TSENS_ALERT_FLAG, AD5529R_REG_TSENS_SHTD_FLAG),
+ regmap_reg_range(AD5529R_REG_FUNC_BUSY, AD5529R_REG_FUNC_BUSY),
+ regmap_reg_range(AD5529R_REG_INIT_CRC_ERR_STAT, AD5529R_REG_INIT_CRC_ERR_STAT),
+};
+
+static const struct regmap_access_table ad5529r_8bit_writeable_table = {
+ .no_ranges = ad5529r_8bit_read_only_ranges,
+ .n_no_ranges = ARRAY_SIZE(ad5529r_8bit_read_only_ranges),
+};
+
+static const struct regmap_access_table ad5529r_16bit_writeable_table = {
+ .no_ranges = ad5529r_16bit_read_only_ranges,
+ .n_no_ranges = ARRAY_SIZE(ad5529r_16bit_read_only_ranges),
+};
+
+static const struct regmap_config ad5529r_regmap_8bit_config = {
+ .name = "ad5529r-8bit",
+ .reg_bits = 16,
+ .val_bits = 8,
+ .max_register = AD5529R_8BIT_REG_MAX,
+ .read_flag_mask = AD5529R_SPI_READ_FLAG,
+ .rd_table = &ad5529r_8bit_readable_table,
+ .wr_table = &ad5529r_8bit_writeable_table,
+};
+
+static const struct regmap_config ad5529r_regmap_16bit_config = {
+ .name = "ad5529r-16bit",
+ .reg_bits = 16,
+ .val_bits = 16,
+ .max_register = AD5529R_MAX_REGISTER,
+ .read_flag_mask = AD5529R_SPI_READ_FLAG,
+ .val_format_endian = REGMAP_ENDIAN_LITTLE,
+ .rd_table = &ad5529r_16bit_readable_table,
+ .wr_table = &ad5529r_16bit_writeable_table,
+ .reg_stride = 2,
+};
+
+static struct regmap *ad5529r_get_regmap(struct ad5529r_state *st,
+ unsigned int reg)
+{
+ if (reg <= AD5529R_8BIT_REG_MAX)
+ return st->regmap_8bit;
+
+ return st->regmap_16bit;
+}
+
+static int ad5529r_reset(struct ad5529r_state *st)
+{
+ struct reset_control *rst;
+ int ret;
+
+ rst = devm_reset_control_get_optional_exclusive(&st->spi->dev, NULL);
+ if (IS_ERR(rst))
+ return PTR_ERR(rst);
+
+ if (rst) {
+ ret = reset_control_deassert(rst);
+ if (ret)
+ return ret;
+ } else {
+ ret = regmap_write(st->regmap_8bit, AD5529R_REG_INTERFACE_CONFIG_A,
+ AD5529R_INTERFACE_CONFIG_A_SW_RESET);
+ if (ret)
+ return ret;
+ }
+
+ fsleep(10000);
+
+ return regmap_write(st->regmap_8bit, AD5529R_REG_INTERFACE_CONFIG_A,
+ AD5529R_INTERFACE_CONFIG_A_SDO_ENABLE |
+ AD5529R_INTERFACE_CONFIG_A_ADDR_ASCENSION);
+}
+
+static int ad5529r_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2, long mask)
+{
+ struct ad5529r_state *st = iio_priv(indio_dev);
+ unsigned int reg_addr, reg_val_h;
+ int ret, range_idx, span_mv;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ reg_addr = AD5529R_REG_DAC_INPUT_A(chan->channel);
+ ret = regmap_read(st->regmap_16bit, reg_addr, ®_val_h);
+ if (ret)
+ return ret;
+
+ *val = reg_val_h;
+
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_SCALE:
+ range_idx = st->output_range_idx[chan->channel];
+
+ span_mv = ad5529r_output_ranges_mv[range_idx][1] -
+ ad5529r_output_ranges_mv[range_idx][0];
+ *val = span_mv;
+ *val2 = st->model_data->resolution;
+
+ return IIO_VAL_FRACTIONAL_LOG2;
+ case IIO_CHAN_INFO_OFFSET:
+ range_idx = st->output_range_idx[chan->channel];
+
+ if (ad5529r_output_ranges_mv[range_idx][0] < 0)
+ *val = -(1 << (st->model_data->resolution - 1));
+ else
+ *val = 0;
+
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int ad5529r_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val, int val2, long mask)
+{
+ struct ad5529r_state *st = iio_priv(indio_dev);
+ unsigned int reg_addr;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ if (val < 0 || val > GENMASK(st->model_data->resolution - 1, 0))
+ return -EINVAL;
+
+ reg_addr = AD5529R_REG_DAC_INPUT_A(chan->channel);
+
+ return regmap_write(st->regmap_16bit, reg_addr, val);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int ad5529r_find_output_range(const s32 *vals)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ad5529r_output_ranges_mv); i++) {
+ if (vals[0] == ad5529r_output_ranges_mv[i][0] * 1000 &&
+ vals[1] == ad5529r_output_ranges_mv[i][1] * 1000)
+ return i;
+ }
+
+ return -EINVAL;
+}
+
+static int ad5529r_parse_channel_ranges(struct device *dev,
+ struct ad5529r_state *st)
+{
+ int ret, ch, range_idx;
+ s32 vals[2];
+
+ device_for_each_child_node_scoped(dev, child) {
+ range_idx = AD5529R_RANGE_0V_5V;
+
+ ret = fwnode_property_read_u32(child, "reg", &ch);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Missing reg property in channel node\n");
+
+ if (ch >= 16)
+ return dev_err_probe(dev, -EINVAL,
+ "Invalid channel number: %d\n", ch);
+
+ if (!fwnode_property_read_u32_array(child,
+ "adi,output-range-microvolt",
+ vals, 2)) {
+ range_idx = ad5529r_find_output_range(vals);
+ if (range_idx < 0)
+ return dev_err_probe(dev, range_idx,
+ "Invalid range [%d %d] for ch %d\n",
+ vals[0], vals[1], ch);
+ }
+
+ st->output_range_idx[ch] = range_idx;
+ ret = regmap_write(st->regmap_16bit,
+ AD5529R_REG_OUT_RANGE(ch), range_idx);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Failed to configure range for ch %d\n",
+ ch);
+ }
+
+ return 0;
+}
+
+static int ad5529r_debugfs_reg_read(struct ad5529r_state *st, unsigned int reg,
+ unsigned int *val)
+{
+ return regmap_read(ad5529r_get_regmap(st, reg), reg, val);
+}
+
+static int ad5529r_debugfs_reg_write(struct ad5529r_state *st, unsigned int reg,
+ unsigned int val)
+{
+ return regmap_write(ad5529r_get_regmap(st, reg), reg, val);
+}
+
+static int ad5529r_reg_access(struct iio_dev *indio_dev,
+ unsigned int reg,
+ unsigned int writeval,
+ unsigned int *readval)
+{
+ struct ad5529r_state *st = iio_priv(indio_dev);
+
+ if (readval)
+ return ad5529r_debugfs_reg_read(st, reg, readval);
+
+ return ad5529r_debugfs_reg_write(st, reg, writeval);
+}
+
+static void ad5529r_disable_regulator(void *regulator)
+{
+ regulator_disable(regulator);
+}
+
+static const struct iio_info ad5529r_info = {
+ .read_raw = ad5529r_read_raw,
+ .write_raw = ad5529r_write_raw,
+ .debugfs_reg_access = ad5529r_reg_access,
+};
+
+static int ad5529r_probe(struct spi_device *spi)
+{
+ struct device *dev = &spi->dev;
+ struct iio_dev *indio_dev;
+ struct ad5529r_state *st;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ st = iio_priv(indio_dev);
+
+ st->spi = spi;
+
+ st->model_data = spi_get_device_match_data(spi);
+ if (!st->model_data)
+ return dev_err_probe(dev, -EINVAL, "Failed to identify device variant\n");
+
+ ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(ad5529r_supply_names),
+ ad5529r_supply_names);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Failed to get and enable regulators\n");
+
+ ret = devm_regulator_get_enable_optional(dev, "hvss");
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Failed to get and enable hvss regulator\n");
+
+ st->vref_regulator = devm_regulator_get_optional(dev, "vref");
+ if (IS_ERR(st->vref_regulator)) {
+ if (PTR_ERR(st->vref_regulator) != -ENODEV)
+ return dev_err_probe(dev, PTR_ERR(st->vref_regulator),
+ "Failed to get vref regulator\n");
+ st->vref_regulator = NULL;
+ }
+
+ if (st->vref_regulator) {
+ ret = regulator_enable(st->vref_regulator);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Failed to enable vref regulator\n");
+
+ ret = devm_add_action_or_reset(dev, ad5529r_disable_regulator,
+ st->vref_regulator);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Failed to add vref regulator cleanup\n");
+ }
+
+ st->regmap_8bit = devm_regmap_init_spi(spi, &ad5529r_regmap_8bit_config);
+ if (IS_ERR(st->regmap_8bit))
+ return dev_err_probe(dev, PTR_ERR(st->regmap_8bit),
+ "Failed to initialize 8-bit regmap\n");
+
+ st->regmap_16bit = devm_regmap_init_spi(spi, &ad5529r_regmap_16bit_config);
+ if (IS_ERR(st->regmap_16bit))
+ return dev_err_probe(dev, PTR_ERR(st->regmap_16bit),
+ "Failed to initialize 16-bit regmap\n");
+
+ ret = ad5529r_reset(st);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to reset device\n");
+
+ ret = regmap_update_bits(st->regmap_16bit, AD5529R_REG_REF_SEL,
+ AD5529R_REF_SEL_MASK,
+ st->vref_regulator ? 0 : AD5529R_REF_SEL_MASK);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to configure reference\n");
+
+ ret = ad5529r_parse_channel_ranges(dev, st);
+ if (ret)
+ return ret;
+
+ indio_dev->name = st->model_data->model_name;
+ indio_dev->info = &ad5529r_info;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+ indio_dev->channels = st->model_data->channels;
+ indio_dev->num_channels = st->model_data->num_channels;
+
+ return devm_iio_device_register(dev, indio_dev);
+}
+
+static const struct of_device_id ad5529r_of_match[] = {
+ { .compatible = "adi,ad5529r-16", .data = &ad5529r_16bit_model_data },
+ { .compatible = "adi,ad5529r-12", .data = &ad5529r_12bit_model_data },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ad5529r_of_match);
+
+static const struct spi_device_id ad5529r_id[] = {
+ { "ad5529r-16", .driver_data = (kernel_ulong_t)&ad5529r_16bit_model_data },
+ { "ad5529r-12", .driver_data = (kernel_ulong_t)&ad5529r_12bit_model_data },
+ { }
+};
+MODULE_DEVICE_TABLE(spi, ad5529r_id);
+
+static struct spi_driver ad5529r_driver = {
+ .driver = {
+ .name = "ad5529r",
+ .of_match_table = ad5529r_of_match,
+ },
+ .probe = ad5529r_probe,
+ .id_table = ad5529r_id,
+};
+module_spi_driver(ad5529r_driver);
+
+MODULE_AUTHOR("Janani Sunil <janani.sunil@xxxxxxxxxx>");
+MODULE_DESCRIPTION("Analog Devices AD5529R 12/16-bit DAC driver");
+MODULE_LICENSE("GPL");
--
2.43.0