12506abeaSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0+
22df79e1bSNarcisa Ana Maria Vasile /*
32df79e1bSNarcisa Ana Maria Vasile * ADIS16203 Programmable 360 Degrees Inclinometer
42df79e1bSNarcisa Ana Maria Vasile *
52df79e1bSNarcisa Ana Maria Vasile * Copyright 2010 Analog Devices Inc.
62df79e1bSNarcisa Ana Maria Vasile */
72df79e1bSNarcisa Ana Maria Vasile
82df79e1bSNarcisa Ana Maria Vasile #include <linux/device.h>
92df79e1bSNarcisa Ana Maria Vasile
102df79e1bSNarcisa Ana Maria Vasile #include <linux/iio/iio.h>
112df79e1bSNarcisa Ana Maria Vasile #include <linux/iio/imu/adis.h>
122df79e1bSNarcisa Ana Maria Vasile
132df79e1bSNarcisa Ana Maria Vasile #include <linux/kernel.h>
142df79e1bSNarcisa Ana Maria Vasile #include <linux/module.h>
152df79e1bSNarcisa Ana Maria Vasile #include <linux/spi/spi.h>
162df79e1bSNarcisa Ana Maria Vasile
172df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_STARTUP_DELAY 220 /* ms */
182df79e1bSNarcisa Ana Maria Vasile
192df79e1bSNarcisa Ana Maria Vasile /* Flash memory write count */
202df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_FLASH_CNT 0x00
212df79e1bSNarcisa Ana Maria Vasile
222df79e1bSNarcisa Ana Maria Vasile /* Output, power supply */
232df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_SUPPLY_OUT 0x02
242df79e1bSNarcisa Ana Maria Vasile
252df79e1bSNarcisa Ana Maria Vasile /* Output, auxiliary ADC input */
262df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_AUX_ADC 0x08
272df79e1bSNarcisa Ana Maria Vasile
282df79e1bSNarcisa Ana Maria Vasile /* Output, temperature */
292df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_TEMP_OUT 0x0A
302df79e1bSNarcisa Ana Maria Vasile
312df79e1bSNarcisa Ana Maria Vasile /* Output, x-axis inclination */
322df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_XINCL_OUT 0x0C
332df79e1bSNarcisa Ana Maria Vasile
342df79e1bSNarcisa Ana Maria Vasile /* Output, y-axis inclination */
352df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_YINCL_OUT 0x0E
362df79e1bSNarcisa Ana Maria Vasile
372df79e1bSNarcisa Ana Maria Vasile /* Incline null calibration */
382df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_INCL_NULL 0x18
392df79e1bSNarcisa Ana Maria Vasile
402df79e1bSNarcisa Ana Maria Vasile /* Alarm 1 amplitude threshold */
412df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_ALM_MAG1 0x20
422df79e1bSNarcisa Ana Maria Vasile
432df79e1bSNarcisa Ana Maria Vasile /* Alarm 2 amplitude threshold */
442df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_ALM_MAG2 0x22
452df79e1bSNarcisa Ana Maria Vasile
462df79e1bSNarcisa Ana Maria Vasile /* Alarm 1, sample period */
472df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_ALM_SMPL1 0x24
482df79e1bSNarcisa Ana Maria Vasile
492df79e1bSNarcisa Ana Maria Vasile /* Alarm 2, sample period */
502df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_ALM_SMPL2 0x26
512df79e1bSNarcisa Ana Maria Vasile
522df79e1bSNarcisa Ana Maria Vasile /* Alarm control */
532df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_ALM_CTRL 0x28
542df79e1bSNarcisa Ana Maria Vasile
552df79e1bSNarcisa Ana Maria Vasile /* Auxiliary DAC data */
562df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_AUX_DAC 0x30
572df79e1bSNarcisa Ana Maria Vasile
582df79e1bSNarcisa Ana Maria Vasile /* General-purpose digital input/output control */
592df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_GPIO_CTRL 0x32
602df79e1bSNarcisa Ana Maria Vasile
612df79e1bSNarcisa Ana Maria Vasile /* Miscellaneous control */
622df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_MSC_CTRL 0x34
632df79e1bSNarcisa Ana Maria Vasile
642df79e1bSNarcisa Ana Maria Vasile /* Internal sample period (rate) control */
652df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_SMPL_PRD 0x36
662df79e1bSNarcisa Ana Maria Vasile
672df79e1bSNarcisa Ana Maria Vasile /* Operation, filter configuration */
682df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_AVG_CNT 0x38
692df79e1bSNarcisa Ana Maria Vasile
702df79e1bSNarcisa Ana Maria Vasile /* Operation, sleep mode control */
712df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_SLP_CNT 0x3A
722df79e1bSNarcisa Ana Maria Vasile
732df79e1bSNarcisa Ana Maria Vasile /* Diagnostics, system status register */
742df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_DIAG_STAT 0x3C
752df79e1bSNarcisa Ana Maria Vasile
762df79e1bSNarcisa Ana Maria Vasile /* Operation, system command register */
772df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_GLOB_CMD 0x3E
782df79e1bSNarcisa Ana Maria Vasile
792df79e1bSNarcisa Ana Maria Vasile /* MSC_CTRL */
802df79e1bSNarcisa Ana Maria Vasile
812df79e1bSNarcisa Ana Maria Vasile /* Self-test at power-on: 1 = disabled, 0 = enabled */
822df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_MSC_CTRL_PWRUP_SELF_TEST BIT(10)
832df79e1bSNarcisa Ana Maria Vasile
842df79e1bSNarcisa Ana Maria Vasile /* Reverses rotation of both inclination outputs */
852df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_MSC_CTRL_REVERSE_ROT_EN BIT(9)
862df79e1bSNarcisa Ana Maria Vasile
872df79e1bSNarcisa Ana Maria Vasile /* Self-test enable */
882df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_MSC_CTRL_SELF_TEST_EN BIT(8)
892df79e1bSNarcisa Ana Maria Vasile
902df79e1bSNarcisa Ana Maria Vasile /* Data-ready enable: 1 = enabled, 0 = disabled */
912df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_MSC_CTRL_DATA_RDY_EN BIT(2)
922df79e1bSNarcisa Ana Maria Vasile
932df79e1bSNarcisa Ana Maria Vasile /* Data-ready polarity: 1 = active high, 0 = active low */
942df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_MSC_CTRL_ACTIVE_HIGH BIT(1)
952df79e1bSNarcisa Ana Maria Vasile
962df79e1bSNarcisa Ana Maria Vasile /* Data-ready line selection: 1 = DIO1, 0 = DIO0 */
972df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
982df79e1bSNarcisa Ana Maria Vasile
992df79e1bSNarcisa Ana Maria Vasile /* DIAG_STAT */
1002df79e1bSNarcisa Ana Maria Vasile
1012df79e1bSNarcisa Ana Maria Vasile /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
1022df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_DIAG_STAT_ALARM2 BIT(9)
1032df79e1bSNarcisa Ana Maria Vasile
1042df79e1bSNarcisa Ana Maria Vasile /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
1052df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_DIAG_STAT_ALARM1 BIT(8)
1062df79e1bSNarcisa Ana Maria Vasile
1072df79e1bSNarcisa Ana Maria Vasile /* Self-test diagnostic error flag */
1082df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT 5
1092df79e1bSNarcisa Ana Maria Vasile
1102df79e1bSNarcisa Ana Maria Vasile /* SPI communications failure */
1112df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_DIAG_STAT_SPI_FAIL_BIT 3
1122df79e1bSNarcisa Ana Maria Vasile
1132df79e1bSNarcisa Ana Maria Vasile /* Flash update failure */
1142df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_DIAG_STAT_FLASH_UPT_BIT 2
1152df79e1bSNarcisa Ana Maria Vasile
1162df79e1bSNarcisa Ana Maria Vasile /* Power supply above 3.625 V */
1172df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_DIAG_STAT_POWER_HIGH_BIT 1
1182df79e1bSNarcisa Ana Maria Vasile
11910dd571cSAlexandru Ardelean /* Power supply below 2.975 V */
1202df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_DIAG_STAT_POWER_LOW_BIT 0
1212df79e1bSNarcisa Ana Maria Vasile
1222df79e1bSNarcisa Ana Maria Vasile /* GLOB_CMD */
1232df79e1bSNarcisa Ana Maria Vasile
1242df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_GLOB_CMD_SW_RESET BIT(7)
1252df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_GLOB_CMD_CLEAR_STAT BIT(4)
1262df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_GLOB_CMD_FACTORY_CAL BIT(1)
1272df79e1bSNarcisa Ana Maria Vasile
1282df79e1bSNarcisa Ana Maria Vasile #define ADIS16203_ERROR_ACTIVE BIT(14)
1292df79e1bSNarcisa Ana Maria Vasile
1302df79e1bSNarcisa Ana Maria Vasile enum adis16203_scan {
1312df79e1bSNarcisa Ana Maria Vasile ADIS16203_SCAN_INCLI_X,
1322df79e1bSNarcisa Ana Maria Vasile ADIS16203_SCAN_INCLI_Y,
1332df79e1bSNarcisa Ana Maria Vasile ADIS16203_SCAN_SUPPLY,
1342df79e1bSNarcisa Ana Maria Vasile ADIS16203_SCAN_AUX_ADC,
1352df79e1bSNarcisa Ana Maria Vasile ADIS16203_SCAN_TEMP,
1362df79e1bSNarcisa Ana Maria Vasile };
1372df79e1bSNarcisa Ana Maria Vasile
1382df79e1bSNarcisa Ana Maria Vasile #define DRIVER_NAME "adis16203"
1392df79e1bSNarcisa Ana Maria Vasile
1402df79e1bSNarcisa Ana Maria Vasile static const u8 adis16203_addresses[] = {
1412df79e1bSNarcisa Ana Maria Vasile [ADIS16203_SCAN_INCLI_X] = ADIS16203_INCL_NULL,
1422df79e1bSNarcisa Ana Maria Vasile };
1432df79e1bSNarcisa Ana Maria Vasile
adis16203_write_raw(struct iio_dev * indio_dev,struct iio_chan_spec const * chan,int val,int val2,long mask)1442df79e1bSNarcisa Ana Maria Vasile static int adis16203_write_raw(struct iio_dev *indio_dev,
1452df79e1bSNarcisa Ana Maria Vasile struct iio_chan_spec const *chan,
1462df79e1bSNarcisa Ana Maria Vasile int val,
1472df79e1bSNarcisa Ana Maria Vasile int val2,
1482df79e1bSNarcisa Ana Maria Vasile long mask)
1492df79e1bSNarcisa Ana Maria Vasile {
1502df79e1bSNarcisa Ana Maria Vasile struct adis *st = iio_priv(indio_dev);
1512df79e1bSNarcisa Ana Maria Vasile /* currently only one writable parameter which keeps this simple */
1522df79e1bSNarcisa Ana Maria Vasile u8 addr = adis16203_addresses[chan->scan_index];
1532df79e1bSNarcisa Ana Maria Vasile
1542df79e1bSNarcisa Ana Maria Vasile return adis_write_reg_16(st, addr, val & 0x3FFF);
1552df79e1bSNarcisa Ana Maria Vasile }
1562df79e1bSNarcisa Ana Maria Vasile
adis16203_read_raw(struct iio_dev * indio_dev,struct iio_chan_spec const * chan,int * val,int * val2,long mask)1572df79e1bSNarcisa Ana Maria Vasile static int adis16203_read_raw(struct iio_dev *indio_dev,
1582df79e1bSNarcisa Ana Maria Vasile struct iio_chan_spec const *chan,
1592df79e1bSNarcisa Ana Maria Vasile int *val, int *val2,
1602df79e1bSNarcisa Ana Maria Vasile long mask)
1612df79e1bSNarcisa Ana Maria Vasile {
1622df79e1bSNarcisa Ana Maria Vasile struct adis *st = iio_priv(indio_dev);
1632df79e1bSNarcisa Ana Maria Vasile int ret;
1642df79e1bSNarcisa Ana Maria Vasile u8 addr;
1652df79e1bSNarcisa Ana Maria Vasile s16 val16;
1662df79e1bSNarcisa Ana Maria Vasile
1672df79e1bSNarcisa Ana Maria Vasile switch (mask) {
1682df79e1bSNarcisa Ana Maria Vasile case IIO_CHAN_INFO_RAW:
1692df79e1bSNarcisa Ana Maria Vasile return adis_single_conversion(indio_dev, chan,
1702df79e1bSNarcisa Ana Maria Vasile ADIS16203_ERROR_ACTIVE, val);
1712df79e1bSNarcisa Ana Maria Vasile case IIO_CHAN_INFO_SCALE:
1722df79e1bSNarcisa Ana Maria Vasile switch (chan->type) {
1732df79e1bSNarcisa Ana Maria Vasile case IIO_VOLTAGE:
1742df79e1bSNarcisa Ana Maria Vasile if (chan->channel == 0) {
1752df79e1bSNarcisa Ana Maria Vasile *val = 1;
1762df79e1bSNarcisa Ana Maria Vasile *val2 = 220000; /* 1.22 mV */
1772df79e1bSNarcisa Ana Maria Vasile } else {
1782df79e1bSNarcisa Ana Maria Vasile *val = 0;
1792df79e1bSNarcisa Ana Maria Vasile *val2 = 610000; /* 0.61 mV */
1802df79e1bSNarcisa Ana Maria Vasile }
1812df79e1bSNarcisa Ana Maria Vasile return IIO_VAL_INT_PLUS_MICRO;
1822df79e1bSNarcisa Ana Maria Vasile case IIO_TEMP:
1832df79e1bSNarcisa Ana Maria Vasile *val = -470; /* -0.47 C */
1842df79e1bSNarcisa Ana Maria Vasile *val2 = 0;
1852df79e1bSNarcisa Ana Maria Vasile return IIO_VAL_INT_PLUS_MICRO;
1862df79e1bSNarcisa Ana Maria Vasile case IIO_INCLI:
1872df79e1bSNarcisa Ana Maria Vasile *val = 0;
1882df79e1bSNarcisa Ana Maria Vasile *val2 = 25000; /* 0.025 degree */
1892df79e1bSNarcisa Ana Maria Vasile return IIO_VAL_INT_PLUS_MICRO;
1902df79e1bSNarcisa Ana Maria Vasile default:
1912df79e1bSNarcisa Ana Maria Vasile return -EINVAL;
1922df79e1bSNarcisa Ana Maria Vasile }
1932df79e1bSNarcisa Ana Maria Vasile case IIO_CHAN_INFO_OFFSET:
1942df79e1bSNarcisa Ana Maria Vasile *val = 25000 / -470 - 1278; /* 25 C = 1278 */
1952df79e1bSNarcisa Ana Maria Vasile return IIO_VAL_INT;
1962df79e1bSNarcisa Ana Maria Vasile case IIO_CHAN_INFO_CALIBBIAS:
1972df79e1bSNarcisa Ana Maria Vasile addr = adis16203_addresses[chan->scan_index];
1982df79e1bSNarcisa Ana Maria Vasile ret = adis_read_reg_16(st, addr, &val16);
199ddf9ee40SRené Hickersberger?= if (ret)
2002df79e1bSNarcisa Ana Maria Vasile return ret;
201c660ababSKarim Eshapa *val = sign_extend32(val16, 13);
2022df79e1bSNarcisa Ana Maria Vasile return IIO_VAL_INT;
2032df79e1bSNarcisa Ana Maria Vasile default:
2042df79e1bSNarcisa Ana Maria Vasile return -EINVAL;
2052df79e1bSNarcisa Ana Maria Vasile }
2062df79e1bSNarcisa Ana Maria Vasile }
2072df79e1bSNarcisa Ana Maria Vasile
2082df79e1bSNarcisa Ana Maria Vasile static const struct iio_chan_spec adis16203_channels[] = {
2092df79e1bSNarcisa Ana Maria Vasile ADIS_SUPPLY_CHAN(ADIS16203_SUPPLY_OUT, ADIS16203_SCAN_SUPPLY, 0, 12),
2102df79e1bSNarcisa Ana Maria Vasile ADIS_AUX_ADC_CHAN(ADIS16203_AUX_ADC, ADIS16203_SCAN_AUX_ADC, 0, 12),
2112df79e1bSNarcisa Ana Maria Vasile ADIS_INCLI_CHAN(X, ADIS16203_XINCL_OUT, ADIS16203_SCAN_INCLI_X,
2122df79e1bSNarcisa Ana Maria Vasile BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
2132df79e1bSNarcisa Ana Maria Vasile /* Fixme: Not what it appears to be - see data sheet */
2142df79e1bSNarcisa Ana Maria Vasile ADIS_INCLI_CHAN(Y, ADIS16203_YINCL_OUT, ADIS16203_SCAN_INCLI_Y,
2152df79e1bSNarcisa Ana Maria Vasile 0, 0, 14),
2162df79e1bSNarcisa Ana Maria Vasile ADIS_TEMP_CHAN(ADIS16203_TEMP_OUT, ADIS16203_SCAN_TEMP, 0, 12),
2172df79e1bSNarcisa Ana Maria Vasile IIO_CHAN_SOFT_TIMESTAMP(5),
2182df79e1bSNarcisa Ana Maria Vasile };
2192df79e1bSNarcisa Ana Maria Vasile
2202df79e1bSNarcisa Ana Maria Vasile static const struct iio_info adis16203_info = {
2213167d925Ssimran singhal .read_raw = adis16203_read_raw,
2223167d925Ssimran singhal .write_raw = adis16203_write_raw,
2232df79e1bSNarcisa Ana Maria Vasile .update_scan_mode = adis_update_scan_mode,
2242df79e1bSNarcisa Ana Maria Vasile };
2252df79e1bSNarcisa Ana Maria Vasile
2262df79e1bSNarcisa Ana Maria Vasile static const char * const adis16203_status_error_msgs[] = {
2272df79e1bSNarcisa Ana Maria Vasile [ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure",
2282df79e1bSNarcisa Ana Maria Vasile [ADIS16203_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
2292df79e1bSNarcisa Ana Maria Vasile [ADIS16203_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
2302df79e1bSNarcisa Ana Maria Vasile [ADIS16203_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
23110dd571cSAlexandru Ardelean [ADIS16203_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 2.975V",
2322df79e1bSNarcisa Ana Maria Vasile };
2332df79e1bSNarcisa Ana Maria Vasile
234380b107bSNuno Sá static const struct adis_timeout adis16203_timeouts = {
235380b107bSNuno Sá .reset_ms = ADIS16203_STARTUP_DELAY,
236380b107bSNuno Sá .sw_reset_ms = ADIS16203_STARTUP_DELAY,
237380b107bSNuno Sá .self_test_ms = ADIS16203_STARTUP_DELAY
238380b107bSNuno Sá };
239380b107bSNuno Sá
2402df79e1bSNarcisa Ana Maria Vasile static const struct adis_data adis16203_data = {
2412df79e1bSNarcisa Ana Maria Vasile .read_delay = 20,
2422df79e1bSNarcisa Ana Maria Vasile .msc_ctrl_reg = ADIS16203_MSC_CTRL,
2432df79e1bSNarcisa Ana Maria Vasile .glob_cmd_reg = ADIS16203_GLOB_CMD,
2442df79e1bSNarcisa Ana Maria Vasile .diag_stat_reg = ADIS16203_DIAG_STAT,
2452df79e1bSNarcisa Ana Maria Vasile
2462df79e1bSNarcisa Ana Maria Vasile .self_test_mask = ADIS16203_MSC_CTRL_SELF_TEST_EN,
247fdcf6bbbSNuno Sá .self_test_reg = ADIS16203_MSC_CTRL,
2482df79e1bSNarcisa Ana Maria Vasile .self_test_no_autoclear = true,
249380b107bSNuno Sá .timeouts = &adis16203_timeouts,
2502df79e1bSNarcisa Ana Maria Vasile
2512df79e1bSNarcisa Ana Maria Vasile .status_error_msgs = adis16203_status_error_msgs,
2522df79e1bSNarcisa Ana Maria Vasile .status_error_mask = BIT(ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT) |
2532df79e1bSNarcisa Ana Maria Vasile BIT(ADIS16203_DIAG_STAT_SPI_FAIL_BIT) |
2542df79e1bSNarcisa Ana Maria Vasile BIT(ADIS16203_DIAG_STAT_FLASH_UPT_BIT) |
2552df79e1bSNarcisa Ana Maria Vasile BIT(ADIS16203_DIAG_STAT_POWER_HIGH_BIT) |
2562df79e1bSNarcisa Ana Maria Vasile BIT(ADIS16203_DIAG_STAT_POWER_LOW_BIT),
2572df79e1bSNarcisa Ana Maria Vasile };
2582df79e1bSNarcisa Ana Maria Vasile
adis16203_probe(struct spi_device * spi)2592df79e1bSNarcisa Ana Maria Vasile static int adis16203_probe(struct spi_device *spi)
2602df79e1bSNarcisa Ana Maria Vasile {
2612df79e1bSNarcisa Ana Maria Vasile int ret;
2622df79e1bSNarcisa Ana Maria Vasile struct iio_dev *indio_dev;
2632df79e1bSNarcisa Ana Maria Vasile struct adis *st;
2642df79e1bSNarcisa Ana Maria Vasile
2652df79e1bSNarcisa Ana Maria Vasile /* setup the industrialio driver allocated elements */
2662df79e1bSNarcisa Ana Maria Vasile indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
2672df79e1bSNarcisa Ana Maria Vasile if (!indio_dev)
2682df79e1bSNarcisa Ana Maria Vasile return -ENOMEM;
2692df79e1bSNarcisa Ana Maria Vasile st = iio_priv(indio_dev);
2702df79e1bSNarcisa Ana Maria Vasile /* this is only used for removal purposes */
2712df79e1bSNarcisa Ana Maria Vasile spi_set_drvdata(spi, indio_dev);
2722df79e1bSNarcisa Ana Maria Vasile
2732df79e1bSNarcisa Ana Maria Vasile indio_dev->name = spi->dev.driver->name;
2742df79e1bSNarcisa Ana Maria Vasile indio_dev->channels = adis16203_channels;
2752df79e1bSNarcisa Ana Maria Vasile indio_dev->num_channels = ARRAY_SIZE(adis16203_channels);
2762df79e1bSNarcisa Ana Maria Vasile indio_dev->info = &adis16203_info;
2772df79e1bSNarcisa Ana Maria Vasile indio_dev->modes = INDIO_DIRECT_MODE;
2782df79e1bSNarcisa Ana Maria Vasile
2792df79e1bSNarcisa Ana Maria Vasile ret = adis_init(st, indio_dev, spi, &adis16203_data);
2802df79e1bSNarcisa Ana Maria Vasile if (ret)
2812df79e1bSNarcisa Ana Maria Vasile return ret;
2822df79e1bSNarcisa Ana Maria Vasile
283460c7b4cSNuno Sá ret = devm_adis_setup_buffer_and_trigger(st, indio_dev, NULL);
2842df79e1bSNarcisa Ana Maria Vasile if (ret)
2852df79e1bSNarcisa Ana Maria Vasile return ret;
2862df79e1bSNarcisa Ana Maria Vasile
2872df79e1bSNarcisa Ana Maria Vasile /* Get the device into a sane initial state */
288*f3b0ab42SRamona Bolboaca ret = __adis_initial_startup(st);
2892df79e1bSNarcisa Ana Maria Vasile if (ret)
2902df79e1bSNarcisa Ana Maria Vasile return ret;
2912df79e1bSNarcisa Ana Maria Vasile
292460c7b4cSNuno Sá return devm_iio_device_register(&spi->dev, indio_dev);
2932df79e1bSNarcisa Ana Maria Vasile }
2942df79e1bSNarcisa Ana Maria Vasile
295d1db9ad5SThiago Estrela static const struct of_device_id adis16203_of_match[] = {
296d1db9ad5SThiago Estrela { .compatible = "adi,adis16203" },
297d1db9ad5SThiago Estrela { },
298d1db9ad5SThiago Estrela };
299d1db9ad5SThiago Estrela
300d1db9ad5SThiago Estrela MODULE_DEVICE_TABLE(of, adis16203_of_match);
301d1db9ad5SThiago Estrela
3022df79e1bSNarcisa Ana Maria Vasile static struct spi_driver adis16203_driver = {
3032df79e1bSNarcisa Ana Maria Vasile .driver = {
3042df79e1bSNarcisa Ana Maria Vasile .name = "adis16203",
305d1db9ad5SThiago Estrela .of_match_table = adis16203_of_match,
3062df79e1bSNarcisa Ana Maria Vasile },
3072df79e1bSNarcisa Ana Maria Vasile .probe = adis16203_probe,
3082df79e1bSNarcisa Ana Maria Vasile };
3092df79e1bSNarcisa Ana Maria Vasile module_spi_driver(adis16203_driver);
3102df79e1bSNarcisa Ana Maria Vasile
3112df79e1bSNarcisa Ana Maria Vasile MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
3122df79e1bSNarcisa Ana Maria Vasile MODULE_DESCRIPTION("Analog Devices ADIS16203 Programmable 360 Degrees Inclinometer");
3132df79e1bSNarcisa Ana Maria Vasile MODULE_LICENSE("GPL v2");
3142df79e1bSNarcisa Ana Maria Vasile MODULE_ALIAS("spi:adis16203");
3156c9304d6SJonathan Cameron MODULE_IMPORT_NS(IIO_ADISLIB);
316