bmp280.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2#include <linux/bitops.h>
  3#include <linux/device.h>
  4#include <linux/regmap.h>
  5#include <linux/regulator/consumer.h>
  6
  7#include <linux/iio/iio.h>
  8
  9/* BMP580 specific registers */
 10#define BMP580_REG_CMD			0x7E
 11#define BMP580_REG_EFF_OSR		0x38
 12#define BMP580_REG_ODR_CONFIG		0x37
 13#define BMP580_REG_OSR_CONFIG		0x36
 14#define BMP580_REG_IF_CONFIG		0x13
 15#define BMP580_REG_REV_ID		0x02
 16#define BMP580_REG_CHIP_ID		0x01
 17/* OOR allows to configure a pressure alarm */
 18#define BMP580_REG_OOR_CONFIG		0x35
 19#define BMP580_REG_OOR_RANGE		0x34
 20#define BMP580_REG_OOR_THR_MSB		0x33
 21#define BMP580_REG_OOR_THR_LSB		0x32
 22/* DSP registers (IIR filters) */
 23#define BMP580_REG_DSP_IIR		0x31
 24#define BMP580_REG_DSP_CONFIG		0x30
 25/* NVM access registers */
 26#define BMP580_REG_NVM_DATA_MSB		0x2D
 27#define BMP580_REG_NVM_DATA_LSB		0x2C
 28#define BMP580_REG_NVM_ADDR		0x2B
 29/* Status registers */
 30#define BMP580_REG_STATUS		0x28
 31#define BMP580_REG_INT_STATUS		0x27
 32#define BMP580_REG_CHIP_STATUS		0x11
 33/* Data registers */
 34#define BMP580_REG_FIFO_DATA		0x29
 35#define BMP580_REG_PRESS_MSB		0x22
 36#define BMP580_REG_PRESS_LSB		0x21
 37#define BMP580_REG_PRESS_XLSB		0x20
 38#define BMP580_REG_TEMP_MSB		0x1F
 39#define BMP580_REG_TEMP_LSB		0x1E
 40#define BMP580_REG_TEMP_XLSB		0x1D
 41/* FIFO config registers */
 42#define BMP580_REG_FIFO_SEL		0x18
 43#define BMP580_REG_FIFO_COUNT		0x17
 44#define BMP580_REG_FIFO_CONFIG		0x16
 45/* Interruptions config registers */
 46#define BMP580_REG_INT_SOURCE		0x15
 47#define BMP580_REG_INT_CONFIG		0x14
 48
 49#define BMP580_CMD_NOOP			0x00
 50#define BMP580_CMD_EXTMODE_SEQ_0	0x73
 51#define BMP580_CMD_EXTMODE_SEQ_1	0xB4
 52#define BMP580_CMD_EXTMODE_SEQ_2	0x69
 53#define BMP580_CMD_NVM_OP_SEQ_0		0x5D
 54#define BMP580_CMD_NVM_READ_SEQ_1	0xA5
 55#define BMP580_CMD_NVM_WRITE_SEQ_1	0xA0
 56#define BMP580_CMD_SOFT_RESET		0xB6
 57
 58#define BMP580_INT_STATUS_DRDY_MASK	BIT(0)
 59#define BMP580_INT_STATUS_POR_MASK	BIT(4)
 60
 61#define BMP580_INT_SOURCE_DRDY		BIT(0)
 62
 63#define BMP580_INT_CONFIG_MASK		GENMASK(3, 0)
 64#define BMP580_INT_CONFIG_LATCH		BIT(0)
 65#define BMP580_INT_CONFIG_LEVEL		BIT(1)
 66#define BMP580_INT_CONFIG_OPEN_DRAIN	BIT(2)
 67#define BMP580_INT_CONFIG_INT_EN	BIT(3)
 68
 69#define BMP580_STATUS_CORE_RDY_MASK	BIT(0)
 70#define BMP580_STATUS_NVM_RDY_MASK	BIT(1)
 71#define BMP580_STATUS_NVM_ERR_MASK	BIT(2)
 72#define BMP580_STATUS_NVM_CMD_ERR_MASK	BIT(3)
 73
 74#define BMP580_OSR_PRESS_MASK		GENMASK(5, 3)
 75#define BMP580_OSR_TEMP_MASK		GENMASK(2, 0)
 76#define BMP580_OSR_PRESS_EN		BIT(6)
 77#define BMP580_EFF_OSR_PRESS_MASK	GENMASK(5, 3)
 78#define BMP580_EFF_OSR_TEMP_MASK	GENMASK(2, 0)
 79#define BMP580_EFF_OSR_VALID_ODR	BIT(7)
 80
 81#define BMP580_ODR_MASK			GENMASK(6, 2)
 82#define BMP580_MODE_MASK		GENMASK(1, 0)
 83#define BMP580_MODE_SLEEP		0
 84#define BMP580_MODE_NORMAL		1
 85#define BMP580_MODE_FORCED		2
 86#define BMP580_MODE_CONTINOUS		3
 87#define BMP580_ODR_DEEPSLEEP_DIS	BIT(7)
 88
 89#define BMP580_DSP_COMP_MASK		GENMASK(1, 0)
 90#define BMP580_DSP_COMP_DIS		0
 91#define BMP580_DSP_TEMP_COMP_EN		1
 92/*
 93 * In section 7.27 of datasheet, modes 2 and 3 are technically the same.
 94 * Pressure compensation means also enabling temperature compensation
 95 */
 96#define BMP580_DSP_PRESS_COMP_EN	2
 97#define BMP580_DSP_PRESS_TEMP_COMP_EN	3
 98#define BMP580_DSP_IIR_FORCED_FLUSH	BIT(2)
 99#define BMP580_DSP_SHDW_IIR_TEMP_EN	BIT(3)
100#define BMP580_DSP_FIFO_IIR_TEMP_EN	BIT(4)
101#define BMP580_DSP_SHDW_IIR_PRESS_EN	BIT(5)
102#define BMP580_DSP_FIFO_IIR_PRESS_EN	BIT(6)
103#define BMP580_DSP_OOR_IIR_PRESS_EN	BIT(7)
104
105#define BMP580_DSP_IIR_PRESS_MASK	GENMASK(5, 3)
106#define BMP580_DSP_IIR_TEMP_MASK	GENMASK(2, 0)
107#define BMP580_FILTER_OFF		0
108#define BMP580_FILTER_1X		1
109#define BMP580_FILTER_3X		2
110#define BMP580_FILTER_7X		3
111#define BMP580_FILTER_15X		4
112#define BMP580_FILTER_31X		5
113#define BMP580_FILTER_63X		6
114#define BMP580_FILTER_127X		7
115
116#define BMP580_NVM_ROW_ADDR_MASK	GENMASK(5, 0)
117#define BMP580_NVM_PROG_EN		BIT(6)
118
119#define BMP580_TEMP_SKIPPED		0x7f7f7f
120#define BMP580_PRESS_SKIPPED		0x7f7f7f
121
122/* BMP380 specific registers */
123#define BMP380_REG_CMD			0x7E
124#define BMP380_REG_CONFIG		0x1F
125#define BMP380_REG_ODR			0x1D
126#define BMP380_REG_OSR			0x1C
127#define BMP380_REG_POWER_CONTROL	0x1B
128#define BMP380_REG_IF_CONFIG		0x1A
129#define BMP380_REG_INT_CONTROL		0x19
130#define BMP380_REG_INT_STATUS		0x11
131#define BMP380_REG_EVENT		0x10
132#define BMP380_REG_STATUS		0x03
133#define BMP380_REG_ERROR		0x02
134#define BMP380_REG_ID			0x00
135
136#define BMP380_REG_FIFO_CONFIG_1	0x18
137#define BMP380_REG_FIFO_CONFIG_2	0x17
138#define BMP380_REG_FIFO_WATERMARK_MSB	0x16
139#define BMP380_REG_FIFO_WATERMARK_LSB	0x15
140#define BMP380_REG_FIFO_DATA		0x14
141#define BMP380_REG_FIFO_LENGTH_MSB	0x13
142#define BMP380_REG_FIFO_LENGTH_LSB	0x12
143
144#define BMP380_REG_SENSOR_TIME_MSB	0x0E
145#define BMP380_REG_SENSOR_TIME_LSB	0x0D
146#define BMP380_REG_SENSOR_TIME_XLSB	0x0C
147
148#define BMP380_REG_TEMP_MSB		0x09
149#define BMP380_REG_TEMP_LSB		0x08
150#define BMP380_REG_TEMP_XLSB		0x07
151
152#define BMP380_REG_PRESS_MSB		0x06
153#define BMP380_REG_PRESS_LSB		0x05
154#define BMP380_REG_PRESS_XLSB		0x04
155
156#define BMP380_REG_CALIB_TEMP_START	0x31
157#define BMP380_CALIB_REG_COUNT		21
158
159#define BMP380_FILTER_MASK		GENMASK(3, 1)
160#define BMP380_FILTER_OFF		0
161#define BMP380_FILTER_1X		1
162#define BMP380_FILTER_3X		2
163#define BMP380_FILTER_7X		3
164#define BMP380_FILTER_15X		4
165#define BMP380_FILTER_31X		5
166#define BMP380_FILTER_63X		6
167#define BMP380_FILTER_127X		7
168
169#define BMP380_OSRS_TEMP_MASK		GENMASK(5, 3)
170#define BMP380_OSRS_PRESS_MASK		GENMASK(2, 0)
171
172#define BMP380_ODRS_MASK		GENMASK(4, 0)
173
174#define BMP380_CTRL_SENSORS_MASK	GENMASK(1, 0)
175#define BMP380_CTRL_SENSORS_PRESS_EN	BIT(0)
176#define BMP380_CTRL_SENSORS_TEMP_EN	BIT(1)
177#define BMP380_MODE_MASK		GENMASK(5, 4)
178#define BMP380_MODE_SLEEP		0
179#define BMP380_MODE_FORCED		1
180#define BMP380_MODE_NORMAL		3
181
182#define BMP380_MEAS_OFFSET		234
183#define BMP380_MEAS_DUR			2020
184#define BMP380_TEMP_MEAS_OFFSET		163
185#define BMP380_PRESS_MEAS_OFFSET	392
186
187#define BMP380_INT_STATUS_DRDY		BIT(3)
188
189#define BMP380_INT_CTRL_SETTINGS_MASK	GENMASK(2, 0)
190#define BMP380_INT_CTRL_OPEN_DRAIN	BIT(0)
191#define BMP380_INT_CTRL_LEVEL		BIT(1)
192#define BMP380_INT_CTRL_LATCH		BIT(2)
193#define BMP380_INT_CTRL_DRDY_EN		BIT(6)
194
195#define BMP380_MIN_TEMP			-4000
196#define BMP380_MAX_TEMP			8500
197#define BMP380_MIN_PRES			3000000
198#define BMP380_MAX_PRES			12500000
199
200#define BMP380_CMD_NOOP			0x00
201#define BMP380_CMD_EXTMODE_EN_MID	0x34
202#define BMP380_CMD_FIFO_FLUSH		0xB0
203#define BMP380_CMD_SOFT_RESET		0xB6
204
205#define BMP380_STATUS_CMD_RDY_MASK	BIT(4)
206#define BMP380_STATUS_DRDY_PRESS_MASK	BIT(5)
207#define BMP380_STATUS_DRDY_TEMP_MASK	BIT(6)
208
209#define BMP380_ERR_FATAL_MASK		BIT(0)
210#define BMP380_ERR_CMD_MASK		BIT(1)
211#define BMP380_ERR_CONF_MASK		BIT(2)
212
213#define BMP380_TEMP_SKIPPED		0x800000
214#define BMP380_PRESS_SKIPPED		0x800000
215
216/* BMP280 specific registers */
217#define BMP280_REG_TEMP_XLSB		0xFC
218#define BMP280_REG_TEMP_LSB		0xFB
219#define BMP280_REG_TEMP_MSB		0xFA
220#define BMP280_REG_PRESS_XLSB		0xF9
221#define BMP280_REG_PRESS_LSB		0xF8
222#define BMP280_REG_PRESS_MSB		0xF7
223
224/* Helper mask to truncate excess 4 bits on pressure and temp readings */
225#define BMP280_MEAS_TRIM_MASK		GENMASK(24, 4)
226
227#define BMP280_REG_CONFIG		0xF5
228#define BMP280_REG_CTRL_MEAS		0xF4
229#define BMP280_REG_STATUS		0xF3
230#define BMP280_REG_STATUS_IM_UPDATE	BIT(0)
231#define BMP280_REG_STATUS_MEAS_BIT	BIT(3)
232#define BMP280_REG_RESET		0xE0
233#define BMP280_RST_SOFT_CMD		0xB6
234
235#define BMP280_REG_COMP_TEMP_START	0x88
236#define BMP280_COMP_TEMP_REG_COUNT	6
237
238#define BMP280_REG_COMP_PRESS_START	0x8E
239#define BMP280_COMP_PRESS_REG_COUNT	18
240
241#define BMP280_CONTIGUOUS_CALIB_REGS	(BMP280_COMP_TEMP_REG_COUNT + \
242					 BMP280_COMP_PRESS_REG_COUNT)
243
244#define BMP280_FILTER_MASK		GENMASK(4, 2)
245#define BMP280_FILTER_OFF		0
246#define BMP280_FILTER_2X		1
247#define BMP280_FILTER_4X		2
248#define BMP280_FILTER_8X		3
249#define BMP280_FILTER_16X		4
250
251#define BMP280_OSRS_TEMP_MASK		GENMASK(7, 5)
252#define BMP280_OSRS_TEMP_SKIP		0
253#define BMP280_OSRS_TEMP_1X		1
254#define BMP280_OSRS_TEMP_2X		2
255#define BMP280_OSRS_TEMP_4X		3
256#define BMP280_OSRS_TEMP_8X		4
257#define BMP280_OSRS_TEMP_16X		5
258
259#define BMP280_OSRS_PRESS_MASK		GENMASK(4, 2)
260#define BMP280_OSRS_PRESS_SKIP		0
261#define BMP280_OSRS_PRESS_1X		1
262#define BMP280_OSRS_PRESS_2X		2
263#define BMP280_OSRS_PRESS_4X		3
264#define BMP280_OSRS_PRESS_8X		4
265#define BMP280_OSRS_PRESS_16X		5
266
267#define BMP280_MODE_MASK		GENMASK(1, 0)
268#define BMP280_MODE_SLEEP		0
269#define BMP280_MODE_FORCED		1
270#define BMP280_MODE_NORMAL		3
271
272#define BMP280_MEAS_OFFSET		1250
273#define BMP280_MEAS_DUR			2300
274#define BMP280_PRESS_HUMID_MEAS_OFFSET	575
275
276/* BME280 specific registers */
277#define BME280_REG_HUMIDITY_LSB		0xFE
278#define BME280_REG_HUMIDITY_MSB		0xFD
279
280#define BME280_REG_CTRL_HUMIDITY	0xF2
281
282/* Due to non linear mapping, and data sizes we can't do a bulk read */
283#define BME280_REG_COMP_H1		0xA1
284#define BME280_REG_COMP_H2		0xE1
285#define BME280_REG_COMP_H3		0xE3
286#define BME280_REG_COMP_H4		0xE4
287#define BME280_REG_COMP_H5		0xE5
288#define BME280_REG_COMP_H6		0xE7
289
290#define BME280_COMP_H4_GET_MASK_UP	GENMASK(15, 8)
291#define BME280_COMP_H4_PREP_MASK_UP	GENMASK(11, 4)
292#define BME280_COMP_H4_MASK_LOW		GENMASK(3, 0)
293#define BME280_COMP_H5_MASK		GENMASK(15, 4)
294
295#define BME280_CONTIGUOUS_CALIB_REGS	7
296
297#define BME280_OSRS_HUMIDITY_MASK	GENMASK(2, 0)
298#define BME280_OSRS_HUMIDITY_SKIP	0
299#define BME280_OSRS_HUMIDITY_1X		1
300#define BME280_OSRS_HUMIDITY_2X		2
301#define BME280_OSRS_HUMIDITY_4X		3
302#define BME280_OSRS_HUMIDITY_8X		4
303#define BME280_OSRS_HUMIDITY_16X	5
304
305/* BMP180 specific registers */
306#define BMP180_REG_OUT_XLSB		0xF8
307#define BMP180_REG_OUT_LSB		0xF7
308#define BMP180_REG_OUT_MSB		0xF6
309
310#define BMP180_REG_CALIB_START		0xAA
311#define BMP180_REG_CALIB_COUNT		22
312
313#define BMP180_MEAS_CTRL_MASK		GENMASK(4, 0)
314#define BMP180_MEAS_TEMP		0x0E
315#define BMP180_MEAS_PRESS		0x14
316#define BMP180_MEAS_SCO			BIT(5)
317#define BMP180_OSRS_PRESS_MASK		GENMASK(7, 6)
318#define BMP180_MEAS_PRESS_1X		0
319#define BMP180_MEAS_PRESS_2X		1
320#define BMP180_MEAS_PRESS_4X		2
321#define BMP180_MEAS_PRESS_8X		3
322
323/* BMP180 and BMP280 common registers */
324#define BMP280_REG_CTRL_MEAS		0xF4
325#define BMP280_REG_RESET		0xE0
326#define BMP280_REG_ID			0xD0
327
328#define BMP380_CHIP_ID			0x50
329#define BMP580_CHIP_ID			0x50
330#define BMP580_CHIP_ID_ALT		0x51
331#define BMP180_CHIP_ID			0x55
332#define BMP280_CHIP_ID			0x58
333#define BMP390_CHIP_ID			0x60
334#define BME280_CHIP_ID			0x60
335#define BMP280_SOFT_RESET_VAL		0xB6
336
337/* BMP280 register skipped special values */
338#define BMP280_TEMP_SKIPPED		0x80000
339#define BMP280_PRESS_SKIPPED		0x80000
340#define BMP280_HUMIDITY_SKIPPED		0x8000
341
342/* Number of bytes for each value */
343#define BMP280_NUM_PRESS_BYTES		3
344#define BMP280_NUM_TEMP_BYTES		3
345#define BME280_NUM_HUMIDITY_BYTES	2
346#define BMP280_BURST_READ_BYTES		(BMP280_NUM_PRESS_BYTES + \
347					 BMP280_NUM_TEMP_BYTES)
348#define BME280_BURST_READ_BYTES		(BMP280_NUM_PRESS_BYTES + \
349					 BMP280_NUM_TEMP_BYTES + \
350					 BME280_NUM_HUMIDITY_BYTES)
351
352/* Core exported structs */
353
354static const char *const bmp280_supply_names[] = {
355	"vddd", "vdda"
356};
357
358#define BMP280_NUM_SUPPLIES ARRAY_SIZE(bmp280_supply_names)
359
360struct bmp180_calib {
361	s16 AC1;
362	s16 AC2;
363	s16 AC3;
364	u16 AC4;
365	u16 AC5;
366	u16 AC6;
367	s16 B1;
368	s16 B2;
369	s16 MB;
370	s16 MC;
371	s16 MD;
372};
373
374/* See datasheet Section 4.2.2. */
375struct bmp280_calib {
376	u16 T1;
377	s16 T2;
378	s16 T3;
379	u16 P1;
380	s16 P2;
381	s16 P3;
382	s16 P4;
383	s16 P5;
384	s16 P6;
385	s16 P7;
386	s16 P8;
387	s16 P9;
388	u8  H1;
389	s16 H2;
390	u8  H3;
391	s16 H4;
392	s16 H5;
393	s8  H6;
394};
395
396/* See datasheet Section 3.11.1. */
397struct bmp380_calib {
398	u16 T1;
399	u16 T2;
400	s8  T3;
401	s16 P1;
402	s16 P2;
403	s8  P3;
404	s8  P4;
405	u16 P5;
406	u16 P6;
407	s8  P7;
408	s8  P8;
409	s16 P9;
410	s8  P10;
411	s8  P11;
412};
413
414enum bmp280_op_mode {
415	BMP280_SLEEP,
416	BMP280_FORCED,
417	BMP280_NORMAL,
418};
419
420struct bmp280_data {
421	struct device *dev;
422	struct mutex lock;
423	struct regmap *regmap;
424	struct completion done;
425	bool use_eoc;
426	bool trig_open_drain;
427	bool trig_active_high;
428	struct iio_trigger *trig;
429	const struct bmp280_chip_info *chip_info;
430	union {
431		struct bmp180_calib bmp180;
432		struct bmp280_calib bmp280;
433		struct bmp380_calib bmp380;
434	} calib;
435	struct regulator_bulk_data supplies[BMP280_NUM_SUPPLIES];
436	unsigned int start_up_time_us;
437
438	/* log of base 2 of oversampling rate */
439	u8 oversampling_press;
440	u8 oversampling_temp;
441	u8 oversampling_humid;
442	u8 iir_filter_coeff;
443
444	/*
445	 * BMP380 devices introduce sampling frequency configuration. See
446	 * datasheet sections 3.3.3. and 4.3.19 for more details.
447	 *
448	 * BMx280 devices allowed indirect configuration of sampling frequency
449	 * changing the t_standby duration between measurements, as detailed on
450	 * section 3.6.3 of the datasheet.
451	 */
452	int sampling_freq;
453
454	/* Value to hold the current operation mode of the device */
455	enum bmp280_op_mode op_mode;
456
457	/*
458	 * DMA (thus cache coherency maintenance) may require the
459	 * transfer buffers to live in their own cache lines.
460	 */
461	union {
462		/* Sensor data buffer */
463		u8 buf[BME280_BURST_READ_BYTES];
464		/* Calibration data buffers */
465		__le16 bmp280_cal_buf[BMP280_CONTIGUOUS_CALIB_REGS / sizeof(__le16)];
466		__be16 bmp180_cal_buf[BMP180_REG_CALIB_COUNT / sizeof(__be16)];
467		u8 bme280_humid_cal_buf[BME280_CONTIGUOUS_CALIB_REGS];
468		u8 bmp380_cal_buf[BMP380_CALIB_REG_COUNT];
469		/* Miscellaneous, endianness-aware data buffers */
470		__le16 le16;
471		__be16 be16;
472	} __aligned(IIO_DMA_MINALIGN);
473};
474
475struct bmp280_chip_info {
476	unsigned int id_reg;
477	const u8 *chip_id;
478	int num_chip_id;
479
480	const struct regmap_config *regmap_config;
481	bool spi_read_extra_byte;
482
483	const struct iio_chan_spec *channels;
484	int num_channels;
485	unsigned int start_up_time_us;
486	const unsigned long *avail_scan_masks;
487
488	const int *oversampling_temp_avail;
489	int num_oversampling_temp_avail;
490	int oversampling_temp_default;
491
492	const int *oversampling_press_avail;
493	int num_oversampling_press_avail;
494	int oversampling_press_default;
495
496	const int *oversampling_humid_avail;
497	int num_oversampling_humid_avail;
498	int oversampling_humid_default;
499
500	const int *iir_filter_coeffs_avail;
501	int num_iir_filter_coeffs_avail;
502	int iir_filter_coeff_default;
503
504	const int (*sampling_freq_avail)[2];
505	int num_sampling_freq_avail;
506	int sampling_freq_default;
507
508	const int *temp_coeffs;
509	const int temp_coeffs_type;
510	const int *press_coeffs;
511	const int press_coeffs_type;
512	const int *humid_coeffs;
513	const int humid_coeffs_type;
514
515	int (*chip_config)(struct bmp280_data *data);
516	int (*read_temp)(struct bmp280_data *data, s32 *adc_temp);
517	int (*read_press)(struct bmp280_data *data, u32 *adc_press);
518	int (*read_humid)(struct bmp280_data *data, u32 *adc_humidity);
519	int (*read_calib)(struct bmp280_data *data);
520	int (*preinit)(struct bmp280_data *data);
521	int (*set_mode)(struct bmp280_data *data, enum bmp280_op_mode mode);
522	int (*wait_conv)(struct bmp280_data *data);
523
524	int (*trigger_probe)(struct iio_dev *indio_dev);
525	irqreturn_t (*trigger_handler)(int irq, void *p);
526};
527
528/* Chip infos for each variant */
529extern const struct bmp280_chip_info bmp085_chip_info;
530extern const struct bmp280_chip_info bmp180_chip_info;
531extern const struct bmp280_chip_info bmp280_chip_info;
532extern const struct bmp280_chip_info bme280_chip_info;
533extern const struct bmp280_chip_info bmp380_chip_info;
534extern const struct bmp280_chip_info bmp580_chip_info;
535
536/* Regmap configurations */
537extern const struct regmap_config bmp180_regmap_config;
538extern const struct regmap_config bmp280_regmap_config;
539extern const struct regmap_config bme280_regmap_config;
540extern const struct regmap_config bmp380_regmap_config;
541extern const struct regmap_config bmp580_regmap_config;
542
543/* Probe called from different transports */
544int bmp280_common_probe(struct device *dev,
545			struct regmap *regmap,
546			const struct bmp280_chip_info *chip_info,
547			const char *name,
548			int irq);
549
550/* PM ops */
551extern const struct dev_pm_ops bmp280_dev_pm_ops;