Merge tag 'iio-for-6.9a' of http://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

IIO: 1st set of new device support, features and cleanup for 6.9

IIO Backend support
===================

New approach from Nuno Sa to the problem of reuse of drivers with
IIO devices that are actually the combination of a highspeed chip
and an FPGA core handling the data capture and flows. It will hopefully
also apply to some other split designs. The ad9467 and axi-adi drivers
are converted over to this framework.

New device support
==================

adi,admfm2000
- New driver for this dual microwave down converter.
ams,as73211
- Add support for as7331 UV sensor.
richtek,rtq6056
- Add support for related parts RTQ6053 and RTQ6059
st,lsm6dsx
- Add ASM330LHHXG1 accelerometer and gyro support (mainly IDs)
ti,ads1298
- New driver for this medical ADC.

Features
========

tests
- Unit tests for the gain-time-scale helper library.
bosch,bmi088
- I2C support.
bosh,bmi160
- Add 10EC5280 ACPI ID. Used in a number of devices that won't get fixed.
  The ID is actually a PCI ID belonging to realtech. No response was received
  to earlier attempts to notify them of this.
  The manufacturers of some devices have replied to say they will not fix
  this incorrect ID. Add the ID and hope it isn't a problem.
bosch,bmi323
- Add BOSC0200 ACPI ID. Note this is a duplicate of one in the bmc150
  driver (it appears these parts share a windows driver).
  Both drivers perform an ID check that is safe on the other part before
  successfully probing.
hid-sensors-als
- Add color temperature and chromaticity support. Note this is a replacement
  for the series reverted in 6.8 that correctly handles all the potential
  channel combinations.
honeywell,hsc030pa
- Triggered buffer support (after driver cleanup).
honeywell,mprls00025pa
- Improved error handling.
- New DT binding to allow use of part number triplet as provided in data sheet
  to specify equivalent of most of the binding more efficiently.
- SPI support.
memsic,mxc4005
- ACPI ID MDA6655 as seen in the Chuwi Minibook X 2023
ti,hdc3020
- Add threshold event support (after some driver cleanup)
veml,vcnl4000
- Switch to high resolution proximity measurement.

Cleanup
=======
Various minor typo fixes and better use of defines etc.

Treewide
- Stop using ACPI_PTR(). The savings in space are small and not worth
  the complexity of __maybe_unused of ifdef guards.  To avoid use in
  new IIO drivers based on copy and paste, clean it out.
- cleanup.h based handling of iio_device_claim_direct_mode()/
  iio_device_release_direct_mode() using scope_cond_guard().
  In many drivers this is combined with other automated cleanup
  to give maximum simplifications.
  An initial set of drivers are converted over to this infrastructure.

Tools
- Use rewinddir() instead of seekdir() to return to start of file.

core
- Make iio_bus_type constant.

adi,ad16475
- Use irq_get_trigger_type() instead of opencoding.
adi,ad16480
- Use irq_get_trigger_type() instead of opencoding.
adi,ad-sigma-delta
- Avoid overwriting IRQ flags if provided by firmware.
ams,as73211
- Use IIO_VAL_FRACTIONAL for scales to simplify the code and potentially
  improve accuracy.
gts-library
- Use a div64_u64() instead of a loop to do a division.
honeywell,mprls00025pa
- Clean up dt-binding doc.
- Drop defaults when DT binding not providing values. Very unlikely
  these were useful given they were wrong for vast majority of supported
  devices.
- Whitespace cleanup
miramems,da280
- Use i2c_get_match_data() to replace hand rolled ACPI matching code.
semtech,sx9324
- Avoid unnecessary copying of property strings.
st,lsm6dsx
- Improve docs, particularly wrt to making addition of new device
  support less noisy.
st,lsm9ds0
- Use dev_err_probe() in all probe() error handling.
- Improved header includes.
- Tidy up termination of ID tables.
ti,ads1014
- Correct upper bound on PGA (wrong value had no actual impact)
ti,afe4403/4404
- devm_ useage to simplify error handling in probe() and allow() remove to
  be dropped.
voltage-divider
- Add dt-binding for io-channel-cells to allow such a device to be both
  an IIO consumer and IIO producer at the same time.

* tag 'iio-for-6.9a' of http://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (106 commits)
  iio: imu: bmi323: Add ACPI Match Table
  iio: accel: bmc150: Document duplicate ACPI entries with bmi323 driver
  iio: adc: ti-ads1298: Add driver
  dt-bindings: iio: adc: ti-ads1298: Add bindings
  iio: pressure: hsc030pa add triggered buffer
  iio: pressure: hsc030pa add mandatory delay
  iio: pressure: hsc030pa: update datasheet URLs
  iio: pressure: hsc030pa: include cleanup
  iio: pressure: hsc030pa: use signed type to hold div_64() result
  dt-bindings: iio: pressure: honeywell,hsc030pa.yaml add spi props
  iio: st_sensors: lsm9ds0: Use common style for terminator in ID tables
  iio: st_sensors: lsm9ds0: Don't use "proxy" headers
  iio: st_sensors: lsm9ds0: Use dev_err_probe() everywhere
  iio: adc: adi-axi-adc: move to backend framework
  iio: adc: ad9467: convert to backend framework
  iio: add the IIO backend framework
  iio: buffer-dmaengine: export buffer alloc and free functions
  of: property: add device link support for io-backends
  dt-bindings: adc: axi-adc: update bindings for backend framework
  dt-bindings: adc: ad9467: add new io-backend property
  ...

12 files changed, 541 insertions, 167 deletions

diff --git a/drivers/iio/pressure/Kconfig b/drivers/iio/pressure/Kconfig
index 79adfd059c3a..3ad38506028e 100644
--- a/drivers/iio/pressure/Kconfig
+++ b/drivers/iio/pressure/Kconfig
@@ -114,6 +114,8 @@ config HSC030PA
 	depends on (I2C || SPI_MASTER)
 	select HSC030PA_I2C if I2C
 	select HSC030PA_SPI if SPI_MASTER
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say Y here to build support for the Honeywell TruStability
 	  HSC and SSC pressure and temperature sensor series.
@@ -181,7 +183,9 @@ config MPL3115
 
 config MPRLS0025PA
 	tristate "Honeywell MPRLS0025PA (MicroPressure sensors series)"
-	depends on I2C
+	depends on (I2C || SPI_MASTER)
+	select MPRLS0025PA_I2C if I2C
+	select MPRLS0025PA_SPI if SPI_MASTER
 	select IIO_BUFFER
 	select IIO_TRIGGERED_BUFFER
 	help
@@ -192,6 +196,16 @@ config MPRLS0025PA
 	  To compile this driver as a module, choose M here: the module will be
 	  called mprls0025pa.
 
+config MPRLS0025PA_I2C
+	tristate
+	depends on MPRLS0025PA
+	depends on I2C
+
+config MPRLS0025PA_SPI
+	tristate
+	depends on MPRLS0025PA
+	depends on SPI_MASTER
+
 config MS5611
 	tristate "Measurement Specialties MS5611 pressure sensor driver"
 	select IIO_BUFFER
diff --git a/drivers/iio/pressure/Makefile b/drivers/iio/pressure/Makefile
index b0f8b94662f2..a93709e35760 100644
--- a/drivers/iio/pressure/Makefile
+++ b/drivers/iio/pressure/Makefile
@@ -24,6 +24,8 @@ obj-$(CONFIG_MPL115_I2C) += mpl115_i2c.o
 obj-$(CONFIG_MPL115_SPI) += mpl115_spi.o
 obj-$(CONFIG_MPL3115) += mpl3115.o
 obj-$(CONFIG_MPRLS0025PA) += mprls0025pa.o
+obj-$(CONFIG_MPRLS0025PA_I2C) += mprls0025pa_i2c.o
+obj-$(CONFIG_MPRLS0025PA_SPI) += mprls0025pa_spi.o
 obj-$(CONFIG_MS5611) += ms5611_core.o
 obj-$(CONFIG_MS5611_I2C) += ms5611_i2c.o
 obj-$(CONFIG_MS5611_SPI) += ms5611_spi.o
diff --git a/drivers/iio/pressure/hp206c.c b/drivers/iio/pressure/hp206c.c
index a072de6cb59c..261af1562827 100644
--- a/drivers/iio/pressure/hp206c.c
+++ b/drivers/iio/pressure/hp206c.c
@@ -11,12 +11,12 @@
  */
 
 #include <linux/module.h>
+#include <linux/mod_devicetable.h>
 #include <linux/i2c.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/delay.h>
 #include <linux/util_macros.h>
-#include <linux/acpi.h>
 
 #include <asm/unaligned.h>
 
@@ -400,20 +400,18 @@ static const struct i2c_device_id hp206c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, hp206c_id);
 
-#ifdef CONFIG_ACPI
 static const struct acpi_device_id hp206c_acpi_match[] = {
 	{"HOP206C", 0},
 	{ },
 };
 MODULE_DEVICE_TABLE(acpi, hp206c_acpi_match);
-#endif
 
 static struct i2c_driver hp206c_driver = {
 	.probe = hp206c_probe,
 	.id_table = hp206c_id,
 	.driver = {
 		.name = "hp206c",
-		.acpi_match_table = ACPI_PTR(hp206c_acpi_match),
+		.acpi_match_table = hp206c_acpi_match,
 	},
 };
 
diff --git a/drivers/iio/pressure/hsc030pa.c b/drivers/iio/pressure/hsc030pa.c
index d6a51f0c335f..1682b90d4557 100644
--- a/drivers/iio/pressure/hsc030pa.c
+++ b/drivers/iio/pressure/hsc030pa.c
@@ -22,8 +22,11 @@
 #include <linux/types.h>
 #include <linux/units.h>
 
+#include <linux/iio/buffer.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
+#include <linux/iio/trigger_consumer.h>
+#include <linux/iio/triggered_buffer.h>
 
 #include <asm/unaligned.h>
 
@@ -297,6 +300,29 @@ static int hsc_get_measurement(struct hsc_data *data)
 	return 0;
 }
 
+static irqreturn_t hsc_trigger_handler(int irq, void *private)
+{
+	struct iio_poll_func *pf = private;
+	struct iio_dev *indio_dev = pf->indio_dev;
+	struct hsc_data *data = iio_priv(indio_dev);
+	int ret;
+
+	ret = hsc_get_measurement(data);
+	if (ret)
+		goto error;
+
+	memcpy(&data->scan.chan[0], &data->buffer[0], 2);
+	memcpy(&data->scan.chan[1], &data->buffer[2], 2);
+
+	iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
+					   iio_get_time_ns(indio_dev));
+
+error:
+	iio_trigger_notify_done(indio_dev->trig);
+
+	return IRQ_HANDLED;
+}
+
 /*
  * IIO ABI expects
  * value = (conv + offset) * scale
@@ -382,13 +408,29 @@ static const struct iio_chan_spec hsc_channels[] = {
 		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
 				      BIT(IIO_CHAN_INFO_SCALE) |
 				      BIT(IIO_CHAN_INFO_OFFSET),
+		.scan_index = 0,
+		.scan_type = {
+			.sign = 'u',
+			.realbits = 14,
+			.storagebits = 16,
+			.endianness = IIO_BE,
+		},
 	},
 	{
 		.type = IIO_TEMP,
 		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
 				      BIT(IIO_CHAN_INFO_SCALE) |
 				      BIT(IIO_CHAN_INFO_OFFSET),
+		.scan_index = 1,
+		.scan_type = {
+			.sign = 'u',
+			.realbits = 11,
+			.storagebits = 16,
+			.shift = 5,
+			.endianness = IIO_BE,
+		},
 	},
+	IIO_CHAN_SOFT_TIMESTAMP(2),
 };
 
 static const struct iio_info hsc_info = {
@@ -406,7 +448,7 @@ int hsc_common_probe(struct device *dev, hsc_recv_fn recv)
 	struct hsc_data *hsc;
 	struct iio_dev *indio_dev;
 	const char *triplet;
-	u64 tmp;
+	s64 tmp;
 	int ret;
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*hsc));
@@ -485,6 +527,11 @@ int hsc_common_probe(struct device *dev, hsc_recv_fn recv)
 	indio_dev->channels = hsc->chip->channels;
 	indio_dev->num_channels = hsc->chip->num_channels;
 
+	ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
+					      hsc_trigger_handler, NULL);
+	if (ret)
+		return ret;
+
 	return devm_iio_device_register(dev, indio_dev);
 }
 EXPORT_SYMBOL_NS(hsc_common_probe, IIO_HONEYWELL_HSC030PA);
diff --git a/drivers/iio/pressure/hsc030pa.h b/drivers/iio/pressure/hsc030pa.h
index d20420dba4f6..9b40f46f575f 100644
--- a/drivers/iio/pressure/hsc030pa.h
+++ b/drivers/iio/pressure/hsc030pa.h
@@ -10,7 +10,10 @@
 
 #include <linux/types.h>
 
+#include <linux/iio/iio.h>
+
 #define HSC_REG_MEASUREMENT_RD_SIZE 4
+#define HSC_RESP_TIME_MS            2
 
 struct device;
 
@@ -53,6 +56,10 @@ struct hsc_data {
 	s32 p_scale_dec;
 	s64 p_offset;
 	s32 p_offset_dec;
+	struct {
+		__be16 chan[2];
+		s64 timestamp __aligned(8);
+	} scan;
 	u8 buffer[HSC_REG_MEASUREMENT_RD_SIZE] __aligned(IIO_DMA_MINALIGN);
 };
 
diff --git a/drivers/iio/pressure/hsc030pa_i2c.c b/drivers/iio/pressure/hsc030pa_i2c.c
index e2b524b36417..b3fd230e71da 100644
--- a/drivers/iio/pressure/hsc030pa_i2c.c
+++ b/drivers/iio/pressure/hsc030pa_i2c.c
@@ -4,14 +4,17 @@
  *
  * Copyright (c) 2023 Petre Rodan <petre.rodan@subdimension.ro>
  *
- * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/trustability-hsc-series/documents/sps-siot-trustability-hsc-series-high-accuracy-board-mount-pressure-sensors-50099148-a-en-ciid-151133.pdf [hsc]
- * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/common/documents/sps-siot-i2c-comms-digital-output-pressure-sensors-tn-008201-3-en-ciid-45841.pdf [i2c related]
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/common/documents/sps-siot-i2c-comms-digital-output-pressure-sensors-tn-008201-3-en-ciid-45841.pdf
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-sleep-mode-technical-note-008286-1-en-ciid-155793.pdf
  */
 
+#include <linux/delay.h>
+#include <linux/device.h>
 #include <linux/errno.h>
 #include <linux/i2c.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
+#include <linux/types.h>
 
 #include <linux/iio/iio.h>
 
@@ -23,6 +26,8 @@ static int hsc_i2c_recv(struct hsc_data *data)
 	struct i2c_msg msg;
 	int ret;
 
+	msleep_interruptible(HSC_RESP_TIME_MS);
+
 	msg.addr = client->addr;
 	msg.flags = client->flags | I2C_M_RD;
 	msg.len = HSC_REG_MEASUREMENT_RD_SIZE;
diff --git a/drivers/iio/pressure/hsc030pa_spi.c b/drivers/iio/pressure/hsc030pa_spi.c
index a719bade8326..818fa6303454 100644
--- a/drivers/iio/pressure/hsc030pa_spi.c
+++ b/drivers/iio/pressure/hsc030pa_spi.c
@@ -4,13 +4,17 @@
  *
  * Copyright (c) 2023 Petre Rodan <petre.rodan@subdimension.ro>
  *
- * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/trustability-hsc-series/documents/sps-siot-trustability-hsc-series-high-accuracy-board-mount-pressure-sensors-50099148-a-en-ciid-151133.pdf
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-spi-comms-digital-ouptu-pressure-sensors-tn-008202-3-en-ciid-45843.pdf
+ * Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-sleep-mode-technical-note-008286-1-en-ciid-155793.pdf
  */
 
+#include <linux/delay.h>
+#include <linux/device.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/spi/spi.h>
 #include <linux/stddef.h>
+#include <linux/types.h>
 
 #include <linux/iio/iio.h>
 
@@ -25,6 +29,7 @@ static int hsc_spi_recv(struct hsc_data *data)
 		.len = HSC_REG_MEASUREMENT_RD_SIZE,
 	};
 
+	msleep_interruptible(HSC_RESP_TIME_MS);
 	return spi_sync_transfer(spi, &xfer, 1);
 }
 
diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c
index 30fb2de36821..33a15d4c642c 100644
--- a/drivers/iio/pressure/mprls0025pa.c
+++ b/drivers/iio/pressure/mprls0025pa.c
@@ -5,17 +5,13 @@
  * Copyright (c) Andreas Klinger <ak@it-klinger.de>
  *
  * Data sheet:
- *  https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/
- *    products/sensors/pressure-sensors/board-mount-pressure-sensors/
- *    micropressure-mpr-series/documents/
- *    sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
+ *  https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
  *
- * 7-bit I2C default slave address: 0x18
  */
 
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/i2c.h>
+#include <linux/array_size.h>
+#include <linux/bitfield.h>
+#include <linux/bits.h>
 #include <linux/math64.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
@@ -25,7 +21,6 @@
 #include <linux/gpio/consumer.h>
 
 #include <linux/iio/buffer.h>
-#include <linux/iio/iio.h>
 #include <linux/iio/trigger_consumer.h>
 #include <linux/iio/triggered_buffer.h>
 
@@ -33,11 +28,15 @@
 
 #include <asm/unaligned.h>
 
-/* bits in i2c status byte */
-#define MPR_I2C_POWER	BIT(6)	/* device is powered */
-#define MPR_I2C_BUSY	BIT(5)	/* device is busy */
-#define MPR_I2C_MEMORY	BIT(2)	/* integrity test passed */
-#define MPR_I2C_MATH	BIT(0)	/* internal math saturation */
+#include "mprls0025pa.h"
+
+/* bits in status byte */
+#define MPR_ST_POWER  BIT(6) /* device is powered */
+#define MPR_ST_BUSY   BIT(5) /* device is busy */
+#define MPR_ST_MEMORY BIT(2) /* integrity test passed */
+#define MPR_ST_MATH   BIT(0) /* internal math saturation */
+
+#define MPR_ST_ERR_FLAG  (MPR_ST_BUSY | MPR_ST_MEMORY | MPR_ST_MATH)
 
 /*
  * support _RAW sysfs interface:
@@ -70,60 +69,87 @@
  * transfer function B:  2.5% to 22.5% of 2^24
  * transfer function C: 20%   to 80%   of 2^24
  */
-enum mpr_func_id {
-	MPR_FUNCTION_A,
-	MPR_FUNCTION_B,
-	MPR_FUNCTION_C,
-};
-
 struct mpr_func_spec {
 	u32			output_min;
 	u32			output_max;
 };
 
 static const struct mpr_func_spec mpr_func_spec[] = {
-	[MPR_FUNCTION_A] = {.output_min = 1677722, .output_max = 15099494},
-	[MPR_FUNCTION_B] = {.output_min =  419430, .output_max =  3774874},
-	[MPR_FUNCTION_C] = {.output_min = 3355443, .output_max = 13421773},
+	[MPR_FUNCTION_A] = { .output_min = 1677722, .output_max = 15099494 },
+	[MPR_FUNCTION_B] = { .output_min =  419430, .output_max =  3774874 },
+	[MPR_FUNCTION_C] = { .output_min = 3355443, .output_max = 13421773 },
 };
 
-struct mpr_chan {
-	s32			pres;		/* pressure value */
-	s64			ts;		/* timestamp */
+enum mpr_variants {
+	MPR0001BA = 0x00, MPR01_6BA = 0x01, MPR02_5BA = 0x02, MPR0060MG = 0x03,
+	MPR0100MG = 0x04, MPR0160MG = 0x05, MPR0250MG = 0x06, MPR0400MG = 0x07,
+	MPR0600MG = 0x08, MPR0001BG = 0x09, MPR01_6BG = 0x0a, MPR02_5BG = 0x0b,
+	MPR0100KA = 0x0c, MPR0160KA = 0x0d, MPR0250KA = 0x0e, MPR0006KG = 0x0f,
+	MPR0010KG = 0x10, MPR0016KG = 0x11, MPR0025KG = 0x12, MPR0040KG = 0x13,
+	MPR0060KG = 0x14, MPR0100KG = 0x15, MPR0160KG = 0x16, MPR0250KG = 0x17,
+	MPR0015PA = 0x18, MPR0025PA = 0x19, MPR0030PA = 0x1a, MPR0001PG = 0x1b,
+	MPR0005PG = 0x1c, MPR0015PG = 0x1d, MPR0030PG = 0x1e, MPR0300YG = 0x1f,
+	MPR_VARIANTS_MAX
+};
+
+static const char * const mpr_triplet_variants[MPR_VARIANTS_MAX] = {
+	[MPR0001BA] = "0001BA", [MPR01_6BA] = "01.6BA", [MPR02_5BA] = "02.5BA",
+	[MPR0060MG] = "0060MG", [MPR0100MG] = "0100MG", [MPR0160MG] = "0160MG",
+	[MPR0250MG] = "0250MG", [MPR0400MG] = "0400MG", [MPR0600MG] = "0600MG",
+	[MPR0001BG] = "0001BG", [MPR01_6BG] = "01.6BG", [MPR02_5BG] = "02.5BG",
+	[MPR0100KA] = "0100KA", [MPR0160KA] = "0160KA", [MPR0250KA] = "0250KA",
+	[MPR0006KG] = "0006KG", [MPR0010KG] = "0010KG", [MPR0016KG] = "0016KG",
+	[MPR0025KG] = "0025KG", [MPR0040KG] = "0040KG", [MPR0060KG] = "0060KG",
+	[MPR0100KG] = "0100KG", [MPR0160KG] = "0160KG", [MPR0250KG] = "0250KG",
+	[MPR0015PA] = "0015PA", [MPR0025PA] = "0025PA", [MPR0030PA] = "0030PA",
+	[MPR0001PG] = "0001PG", [MPR0005PG] = "0005PG", [MPR0015PG] = "0015PG",
+	[MPR0030PG] = "0030PG", [MPR0300YG] = "0300YG"
+};
+
+/**
+ * struct mpr_range_config - list of pressure ranges based on nomenclature
+ * @pmin: lowest pressure that can be measured
+ * @pmax: highest pressure that can be measured
+ */
+struct mpr_range_config {
+	const s32 pmin;
+	const s32 pmax;
 };
 
-struct mpr_data {
-	struct i2c_client	*client;
-	struct mutex		lock;		/*
-						 * access to device during read
-						 */
-	u32			pmin;		/* minimal pressure in pascal */
-	u32			pmax;		/* maximal pressure in pascal */
-	enum mpr_func_id	function;	/* transfer function */
-	u32			outmin;		/*
-						 * minimal numerical range raw
-						 * value from sensor
-						 */
-	u32			outmax;		/*
-						 * maximal numerical range raw
-						 * value from sensor
-						 */
-	int                     scale;          /* int part of scale */
-	int                     scale2;         /* nano part of scale */
-	int                     offset;         /* int part of offset */
-	int                     offset2;        /* nano part of offset */
-	struct gpio_desc	*gpiod_reset;	/* reset */
-	int			irq;		/*
-						 * end of conversion irq;
-						 * used to distinguish between
-						 * irq mode and reading in a
-						 * loop until data is ready
-						 */
-	struct completion	completion;	/* handshake from irq to read */
-	struct mpr_chan		chan;		/*
-						 * channel values for buffered
-						 * mode
-						 */
+/* All min max limits have been converted to pascals */
+static const struct mpr_range_config mpr_range_config[MPR_VARIANTS_MAX] = {
+	[MPR0001BA] = { .pmin = 0, .pmax = 100000 },
+	[MPR01_6BA] = { .pmin = 0, .pmax = 160000 },
+	[MPR02_5BA] = { .pmin = 0, .pmax = 250000 },
+	[MPR0060MG] = { .pmin = 0, .pmax =   6000 },
+	[MPR0100MG] = { .pmin = 0, .pmax =  10000 },
+	[MPR0160MG] = { .pmin = 0, .pmax =  16000 },
+	[MPR0250MG] = { .pmin = 0, .pmax =  25000 },
+	[MPR0400MG] = { .pmin = 0, .pmax =  40000 },
+	[MPR0600MG] = { .pmin = 0, .pmax =  60000 },
+	[MPR0001BG] = { .pmin = 0, .pmax = 100000 },
+	[MPR01_6BG] = { .pmin = 0, .pmax = 160000 },
+	[MPR02_5BG] = { .pmin = 0, .pmax = 250000 },
+	[MPR0100KA] = { .pmin = 0, .pmax = 100000 },
+	[MPR0160KA] = { .pmin = 0, .pmax = 160000 },
+	[MPR0250KA] = { .pmin = 0, .pmax = 250000 },
+	[MPR0006KG] = { .pmin = 0, .pmax =   6000 },
+	[MPR0010KG] = { .pmin = 0, .pmax =  10000 },
+	[MPR0016KG] = { .pmin = 0, .pmax =  16000 },
+	[MPR0025KG] = { .pmin = 0, .pmax =  25000 },
+	[MPR0040KG] = { .pmin = 0, .pmax =  40000 },
+	[MPR0060KG] = { .pmin = 0, .pmax =  60000 },
+	[MPR0100KG] = { .pmin = 0, .pmax = 100000 },
+	[MPR0160KG] = { .pmin = 0, .pmax = 160000 },
+	[MPR0250KG] = { .pmin = 0, .pmax = 250000 },
+	[MPR0015PA] = { .pmin = 0, .pmax = 103421 },
+	[MPR0025PA] = { .pmin = 0, .pmax = 172369 },
+	[MPR0030PA] = { .pmin = 0, .pmax = 206843 },
+	[MPR0001PG] = { .pmin = 0, .pmax =   6895 },
+	[MPR0005PG] = { .pmin = 0, .pmax =  34474 },
+	[MPR0015PG] = { .pmin = 0, .pmax = 103421 },
+	[MPR0030PG] = { .pmin = 0, .pmax = 206843 },
+	[MPR0300YG] = { .pmin = 0, .pmax =  39997 }
 };
 
 static const struct iio_chan_spec mpr_channels[] = {
@@ -153,11 +179,11 @@ static void mpr_reset(struct mpr_data *data)
 }
 
 /**
- * mpr_read_pressure() - Read pressure value from sensor via I2C
+ * mpr_read_pressure() - Read pressure value from sensor
  * @data: Pointer to private data struct.
  * @press: Output value read from sensor.
  *
- * Reading from the sensor by sending and receiving I2C telegrams.
+ * Reading from the sensor by sending and receiving telegrams.
  *
  * If there is an end of conversion (EOC) interrupt registered the function
  * waits for a maximum of one second for the interrupt.
@@ -170,25 +196,17 @@ static void mpr_reset(struct mpr_data *data)
  */
 static int mpr_read_pressure(struct mpr_data *data, s32 *press)
 {
-	struct device *dev = &data->client->dev;
+	struct device *dev = data->dev;
 	int ret, i;
-	u8 wdata[] = {0xAA, 0x00, 0x00};
-	s32 status;
 	int nloops = 10;
-	u8 buf[4];
 
 	reinit_completion(&data->completion);
 
-	ret = i2c_master_send(data->client, wdata, sizeof(wdata));
+	ret = data->ops->write(data, MPR_CMD_SYNC, MPR_PKT_SYNC_LEN);
 	if (ret < 0) {
 		dev_err(dev, "error while writing ret: %d\n", ret);
 		return ret;
 	}
-	if (ret != sizeof(wdata)) {
-		dev_err(dev, "received size doesn't fit - ret: %d / %u\n", ret,
-							(u32)sizeof(wdata));
-		return -EIO;
-	}
 
 	if (data->irq > 0) {
 		ret = wait_for_completion_timeout(&data->completion, HZ);
@@ -206,14 +224,14 @@ static int mpr_read_pressure(struct mpr_data *data, s32 *press)
 			 *     quite long
 			 */
 			usleep_range(5000, 10000);
-			status = i2c_smbus_read_byte(data->client);
-			if (status < 0) {
+			ret = data->ops->read(data, MPR_CMD_NOP, 1);
+			if (ret < 0) {
 				dev_err(dev,
 					"error while reading, status: %d\n",
-					status);
-				return status;
+					ret);
+				return ret;
 			}
-			if (!(status & MPR_I2C_BUSY))
+			if (!(data->buffer[0] & MPR_ST_ERR_FLAG))
 				break;
 		}
 		if (i == nloops) {
@@ -222,29 +240,19 @@ static int mpr_read_pressure(struct mpr_data *data, s32 *press)
 		}
 	}
 
-	ret = i2c_master_recv(data->client, buf, sizeof(buf));
-	if (ret < 0) {
-		dev_err(dev, "error in i2c_master_recv ret: %d\n", ret);
+	ret = data->ops->read(data, MPR_CMD_NOP, MPR_PKT_NOP_LEN);
+	if (ret < 0)
 		return ret;
-	}
-	if (ret != sizeof(buf)) {
-		dev_err(dev, "received size doesn't fit - ret: %d / %u\n", ret,
-							(u32)sizeof(buf));
-		return -EIO;
-	}
 
-	if (buf[0] & MPR_I2C_BUSY) {
-		/*
-		 * it should never be the case that status still indicates
-		 * business
-		 */
-		dev_err(dev, "data still not ready: %08x\n", buf[0]);
+	if (data->buffer[0] & MPR_ST_ERR_FLAG) {
+		dev_err(data->dev,
+			"unexpected status byte %02x\n", data->buffer[0]);
 		return -ETIMEDOUT;
 	}
 
-	*press = get_unaligned_be24(&buf[1]);
+	*press = get_unaligned_be24(&data->buffer[1]);
 
-	dev_dbg(dev, "received: %*ph cnt: %d\n", ret, buf, *press);
+	dev_dbg(dev, "received: %*ph cnt: %d\n", ret, data->buffer, *press);
 
 	return 0;
 }
@@ -271,7 +279,7 @@ static irqreturn_t mpr_trigger_handler(int irq, void *p)
 		goto err;
 
 	iio_push_to_buffers_with_timestamp(indio_dev, &data->chan,
-						iio_get_time_ns(indio_dev));
+					   iio_get_time_ns(indio_dev));
 
 err:
 	mutex_unlock(&data->lock);
@@ -316,25 +324,23 @@ static const struct iio_info mpr_info = {
 	.read_raw = &mpr_read_raw,
 };
 
-static int mpr_probe(struct i2c_client *client)
+int mpr_common_probe(struct device *dev, const struct mpr_ops *ops, int irq)
 {
 	int ret;
 	struct mpr_data *data;
 	struct iio_dev *indio_dev;
-	struct device *dev = &client->dev;
+	const char *triplet;
 	s64 scale, offset;
-
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE))
-		return dev_err_probe(dev, -EOPNOTSUPP,
-					"I2C functionality not supported\n");
+	u32 func;
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
 	if (!indio_dev)
-		return dev_err_probe(dev, -ENOMEM, "couldn't get iio_dev\n");
+		return -ENOMEM;
 
 	data = iio_priv(indio_dev);
-	data->client = client;
-	data->irq = client->irq;
+	data->dev = dev;
+	data->ops = ops;
+	data->irq = irq;
 
 	mutex_init(&data->lock);
 	init_completion(&data->completion);
@@ -348,103 +354,102 @@ static int mpr_probe(struct i2c_client *client)
 	ret = devm_regulator_get_enable(dev, "vdd");
 	if (ret)
 		return dev_err_probe(dev, ret,
-				"can't get and enable vdd supply\n");
+				     "can't get and enable vdd supply\n");
 
-	if (dev_fwnode(dev)) {
+	ret = data->ops->init(data->dev);
+	if (ret)
+		return ret;
+
+	ret = device_property_read_u32(dev,
+				       "honeywell,transfer-function", &func);
+	if (ret)
+		return dev_err_probe(dev, ret,
+			     "honeywell,transfer-function could not be read\n");
+	data->function = func - 1;
+	if (data->function > MPR_FUNCTION_C)
+		return dev_err_probe(dev, -EINVAL,
+				     "honeywell,transfer-function %d invalid\n",
+				     data->function);
+
+	ret = device_property_read_string(dev, "honeywell,pressure-triplet",
+					  &triplet);
+	if (ret) {
 		ret = device_property_read_u32(dev, "honeywell,pmin-pascal",
-								&data->pmin);
+					       &data->pmin);
 		if (ret)
 			return dev_err_probe(dev, ret,
-				"honeywell,pmin-pascal could not be read\n");
+				   "honeywell,pmin-pascal could not be read\n");
+
 		ret = device_property_read_u32(dev, "honeywell,pmax-pascal",
-								&data->pmax);
+					       &data->pmax);
 		if (ret)
 			return dev_err_probe(dev, ret,
-				"honeywell,pmax-pascal could not be read\n");
-		ret = device_property_read_u32(dev,
-				"honeywell,transfer-function", &data->function);
-		if (ret)
-			return dev_err_probe(dev, ret,
-				"honeywell,transfer-function could not be read\n");
-		if (data->function > MPR_FUNCTION_C)
-			return dev_err_probe(dev, -EINVAL,
-				"honeywell,transfer-function %d invalid\n",
-								data->function);
+				   "honeywell,pmax-pascal could not be read\n");
 	} else {
-		/* when loaded as i2c device we need to use default values */
-		dev_notice(dev, "firmware node not found; using defaults\n");
-		data->pmin = 0;
-		data->pmax = 172369; /* 25 psi */
-		data->function = MPR_FUNCTION_A;
+		ret = device_property_match_property_string(dev,
+						   "honeywell,pressure-triplet",
+						   mpr_triplet_variants,
+						   MPR_VARIANTS_MAX);
+		if (ret < 0)
+			return dev_err_probe(dev, -EINVAL,
+				     "honeywell,pressure-triplet is invalid\n");
+
+		data->pmin = mpr_range_config[ret].pmin;
+		data->pmax = mpr_range_config[ret].pmax;
 	}
 
+	if (data->pmin >= data->pmax)
+		return dev_err_probe(dev, -EINVAL,
+				     "pressure limits are invalid\n");
+
 	data->outmin = mpr_func_spec[data->function].output_min;
 	data->outmax = mpr_func_spec[data->function].output_max;
 
 	/* use 64 bit calculation for preserving a reasonable precision */
 	scale = div_s64(((s64)(data->pmax - data->pmin)) * NANO,
-						data->outmax - data->outmin);
+			data->outmax - data->outmin);
 	data->scale = div_s64_rem(scale, NANO, &data->scale2);
 	/*
 	 * multiply with NANO before dividing by scale and later divide by NANO
 	 * again.
 	 */
 	offset = ((-1LL) * (s64)data->outmin) * NANO -
-			div_s64(div_s64((s64)data->pmin * NANO, scale), NANO);
+		  div_s64(div_s64((s64)data->pmin * NANO, scale), NANO);
 	data->offset = div_s64_rem(offset, NANO, &data->offset2);
 
 	if (data->irq > 0) {
 		ret = devm_request_irq(dev, data->irq, mpr_eoc_handler,
-				IRQF_TRIGGER_RISING, client->name, data);
+				       IRQF_TRIGGER_RISING,
+				       dev_name(dev),
+				       data);
 		if (ret)
 			return dev_err_probe(dev, ret,
-				"request irq %d failed\n", data->irq);
+					  "request irq %d failed\n", data->irq);
 	}
 
 	data->gpiod_reset = devm_gpiod_get_optional(dev, "reset",
-							GPIOD_OUT_HIGH);
+						    GPIOD_OUT_HIGH);
 	if (IS_ERR(data->gpiod_reset))
 		return dev_err_probe(dev, PTR_ERR(data->gpiod_reset),
-						"request reset-gpio failed\n");
+				     "request reset-gpio failed\n");
 
 	mpr_reset(data);
 
 	ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
-						mpr_trigger_handler, NULL);
+					      mpr_trigger_handler, NULL);
 	if (ret)
 		return dev_err_probe(dev, ret,
-					"iio triggered buffer setup failed\n");
+				     "iio triggered buffer setup failed\n");
 
 	ret = devm_iio_device_register(dev, indio_dev);
 	if (ret)
 		return dev_err_probe(dev, ret,
-					"unable to register iio device\n");
+				     "unable to register iio device\n");
 
 	return 0;
 }
-
-static const struct of_device_id mpr_matches[] = {
-	{ .compatible = "honeywell,mprls0025pa" },
-	{ }
-};
-MODULE_DEVICE_TABLE(of, mpr_matches);
-
-static const struct i2c_device_id mpr_id[] = {
-	{ "mprls0025pa" },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, mpr_id);
-
-static struct i2c_driver mpr_driver = {
-	.probe		= mpr_probe,
-	.id_table	= mpr_id,
-	.driver		= {
-		.name		= "mprls0025pa",
-		.of_match_table = mpr_matches,
-	},
-};
-module_i2c_driver(mpr_driver);
+EXPORT_SYMBOL_NS(mpr_common_probe, IIO_HONEYWELL_MPRLS0025PA);
 
 MODULE_AUTHOR("Andreas Klinger <ak@it-klinger.de>");
-MODULE_DESCRIPTION("Honeywell MPRLS0025PA I2C driver");
+MODULE_DESCRIPTION("Honeywell MPR pressure sensor core driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/iio/pressure/mprls0025pa.h b/drivers/iio/pressure/mprls0025pa.h
new file mode 100644
index 000000000000..9d5c30afa9d6
--- /dev/null
+++ b/drivers/iio/pressure/mprls0025pa.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * MPRLS0025PA - Honeywell MicroPressure pressure sensor series driver
+ *
+ * Copyright (c) Andreas Klinger <ak@it-klinger.de>
+ *
+ * Data sheet:
+ *  https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
+ */
+
+#ifndef _MPRLS0025PA_H
+#define _MPRLS0025PA_H
+
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+#include <linux/iio/iio.h>
+
+#define MPR_MEASUREMENT_RD_SIZE 4
+#define MPR_CMD_NOP      0xf0
+#define MPR_CMD_SYNC     0xaa
+#define MPR_PKT_NOP_LEN  MPR_MEASUREMENT_RD_SIZE
+#define MPR_PKT_SYNC_LEN 3
+
+struct device;
+
+struct iio_chan_spec;
+struct iio_dev;
+
+struct mpr_data;
+struct mpr_ops;
+
+/**
+ * struct mpr_chan
+ * @pres: pressure value
+ * @ts: timestamp
+ */
+struct mpr_chan {
+	s32 pres;
+	s64 ts;
+};
+
+enum mpr_func_id {
+	MPR_FUNCTION_A,
+	MPR_FUNCTION_B,
+	MPR_FUNCTION_C,
+};
+
+/**
+ * struct mpr_data
+ * @dev: current device structure
+ * @ops: functions that implement the sensor reads/writes, bus init
+ * @lock: access to device during read
+ * @pmin: minimal pressure in pascal
+ * @pmax: maximal pressure in pascal
+ * @function: transfer function
+ * @outmin: minimum raw pressure in counts (based on transfer function)
+ * @outmax: maximum raw pressure in counts (based on transfer function)
+ * @scale: pressure scale
+ * @scale2: pressure scale, decimal number
+ * @offset: pressure offset
+ * @offset2: pressure offset, decimal number
+ * @gpiod_reset: reset
+ * @irq: end of conversion irq. used to distinguish between irq mode and
+ *       reading in a loop until data is ready
+ * @completion: handshake from irq to read
+ * @chan: channel values for buffered mode
+ * @buffer: raw conversion data
+ */
+struct mpr_data {
+	struct device		*dev;
+	const struct mpr_ops	*ops;
+	struct mutex		lock;
+	u32			pmin;
+	u32			pmax;
+	enum mpr_func_id	function;
+	u32			outmin;
+	u32			outmax;
+	int			scale;
+	int			scale2;
+	int			offset;
+	int			offset2;
+	struct gpio_desc	*gpiod_reset;
+	int			irq;
+	struct completion	completion;
+	struct mpr_chan		chan;
+	u8	    buffer[MPR_MEASUREMENT_RD_SIZE] __aligned(IIO_DMA_MINALIGN);
+};
+
+struct mpr_ops {
+	int (*init)(struct device *dev);
+	int (*read)(struct mpr_data *data, const u8 cmd, const u8 cnt);
+	int (*write)(struct mpr_data *data, const u8 cmd, const u8 cnt);
+};
+
+int mpr_common_probe(struct device *dev, const struct mpr_ops *ops, int irq);
+
+#endif
diff --git a/drivers/iio/pressure/mprls0025pa_i2c.c b/drivers/iio/pressure/mprls0025pa_i2c.c
new file mode 100644
index 000000000000..7a5c5aa2b456
--- /dev/null
+++ b/drivers/iio/pressure/mprls0025pa_i2c.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MPRLS0025PA - Honeywell MicroPressure pressure sensor series driver
+ *
+ * Copyright (c) Andreas Klinger <ak@it-klinger.de>
+ *
+ * Data sheet:
+ *  https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+#include "mprls0025pa.h"
+
+static int mpr_i2c_init(struct device *unused)
+{
+	return 0;
+}
+
+static int mpr_i2c_read(struct mpr_data *data, const u8 unused, const u8 cnt)
+{
+	int ret;
+	struct i2c_client *client = to_i2c_client(data->dev);
+
+	if (cnt > MPR_MEASUREMENT_RD_SIZE)
+		return -EOVERFLOW;
+
+	memset(data->buffer, 0, MPR_MEASUREMENT_RD_SIZE);
+	ret = i2c_master_recv(client, data->buffer, cnt);
+	if (ret < 0)
+		return ret;
+	else if (ret != cnt)
+		return -EIO;
+
+	return 0;
+}
+
+static int mpr_i2c_write(struct mpr_data *data, const u8 cmd, const u8 unused)
+{
+	int ret;
+	struct i2c_client *client = to_i2c_client(data->dev);
+	u8 wdata[MPR_PKT_SYNC_LEN];
+
+	memset(wdata, 0, sizeof(wdata));
+	wdata[0] = cmd;
+
+	ret = i2c_master_send(client, wdata, MPR_PKT_SYNC_LEN);
+	if (ret < 0)
+		return ret;
+	else if (ret != MPR_PKT_SYNC_LEN)
+		return -EIO;
+
+	return 0;
+}
+
+static const struct mpr_ops mpr_i2c_ops = {
+	.init = mpr_i2c_init,
+	.read = mpr_i2c_read,
+	.write = mpr_i2c_write,
+};
+
+static int mpr_i2c_probe(struct i2c_client *client)
+{
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE))
+		return -EOPNOTSUPP;
+
+	return mpr_common_probe(&client->dev, &mpr_i2c_ops, client->irq);
+}
+
+static const struct of_device_id mpr_i2c_match[] = {
+	{ .compatible = "honeywell,mprls0025pa" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, mpr_i2c_match);
+
+static const struct i2c_device_id mpr_i2c_id[] = {
+	{ "mprls0025pa" },
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, mpr_i2c_id);
+
+static struct i2c_driver mpr_i2c_driver = {
+	.probe = mpr_i2c_probe,
+	.id_table = mpr_i2c_id,
+	.driver = {
+		.name = "mprls0025pa",
+		.of_match_table = mpr_i2c_match,
+	},
+};
+module_i2c_driver(mpr_i2c_driver);
+
+MODULE_AUTHOR("Andreas Klinger <ak@it-klinger.de>");
+MODULE_DESCRIPTION("Honeywell MPR pressure sensor i2c driver");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_HONEYWELL_MPRLS0025PA);
diff --git a/drivers/iio/pressure/mprls0025pa_spi.c b/drivers/iio/pressure/mprls0025pa_spi.c
new file mode 100644
index 000000000000..3aed14cd95c5
--- /dev/null
+++ b/drivers/iio/pressure/mprls0025pa_spi.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * MPRLS0025PA - Honeywell MicroPressure MPR series SPI sensor driver
+ *
+ * Copyright (c) 2024 Petre Rodan <petre.rodan@subdimension.ro>
+ *
+ * Data sheet:
+ *  https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+#include "mprls0025pa.h"
+
+struct mpr_spi_buf {
+	u8 tx[MPR_MEASUREMENT_RD_SIZE] __aligned(IIO_DMA_MINALIGN);
+};
+
+static int mpr_spi_init(struct device *dev)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	struct mpr_spi_buf *buf;
+
+	buf = devm_kzalloc(dev, sizeof(*buf), GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	spi_set_drvdata(spi, buf);
+
+	return 0;
+}
+
+static int mpr_spi_xfer(struct mpr_data *data, const u8 cmd, const u8 pkt_len)
+{
+	struct spi_device *spi = to_spi_device(data->dev);
+	struct mpr_spi_buf *buf = spi_get_drvdata(spi);
+	struct spi_transfer xfer;
+
+	if (pkt_len > MPR_MEASUREMENT_RD_SIZE)
+		return -EOVERFLOW;
+
+	buf->tx[0] = cmd;
+	xfer.tx_buf = buf->tx;
+	xfer.rx_buf = data->buffer;
+	xfer.len = pkt_len;
+
+	return spi_sync_transfer(spi, &xfer, 1);
+}
+
+static const struct mpr_ops mpr_spi_ops = {
+	.init = mpr_spi_init,
+	.read = mpr_spi_xfer,
+	.write = mpr_spi_xfer,
+};
+
+static int mpr_spi_probe(struct spi_device *spi)
+{
+	return mpr_common_probe(&spi->dev, &mpr_spi_ops, spi->irq);
+}
+
+static const struct of_device_id mpr_spi_match[] = {
+	{ .compatible = "honeywell,mprls0025pa" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, mpr_spi_match);
+
+static const struct spi_device_id mpr_spi_id[] = {
+	{ "mprls0025pa" },
+	{}
+};
+MODULE_DEVICE_TABLE(spi, mpr_spi_id);
+
+static struct spi_driver mpr_spi_driver = {
+	.driver = {
+		.name = "mprls0025pa",
+		.of_match_table = mpr_spi_match,
+	},
+	.probe = mpr_spi_probe,
+	.id_table = mpr_spi_id,
+};
+module_spi_driver(mpr_spi_driver);
+
+MODULE_AUTHOR("Petre Rodan <petre.rodan@subdimension.ro>");
+MODULE_DESCRIPTION("Honeywell MPR pressure sensor spi driver");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_HONEYWELL_MPRLS0025PA);
diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c
index 5101552e3f38..389523d6ae32 100644
--- a/drivers/iio/pressure/st_pressure_i2c.c
+++ b/drivers/iio/pressure/st_pressure_i2c.c
@@ -7,7 +7,6 @@
  * Denis Ciocca <denis.ciocca@st.com>
  */
 
-#include <linux/acpi.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
@@ -55,13 +54,11 @@ static const struct of_device_id st_press_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, st_press_of_match);
 
-#ifdef CONFIG_ACPI
 static const struct acpi_device_id st_press_acpi_match[] = {
 	{"SNO9210", LPS22HB},
 	{ },
 };
 MODULE_DEVICE_TABLE(acpi, st_press_acpi_match);
-#endif
 
 static const struct i2c_device_id st_press_id_table[] = {
 	{ LPS001WP_PRESS_DEV_NAME, LPS001WP },
@@ -114,7 +111,7 @@ static struct i2c_driver st_press_driver = {
 	.driver = {
 		.name = "st-press-i2c",
 		.of_match_table = st_press_of_match,
-		.acpi_match_table = ACPI_PTR(st_press_acpi_match),
+		.acpi_match_table = st_press_acpi_match,
 	},
 	.probe = st_press_i2c_probe,
 	.id_table = st_press_id_table,