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Add support for generating events when the step counter reaches the
configurable watermark.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Gustavo Silva <gustavograzs@gmail.com>
Link: https://patch.msgid.link/20250616-bmi270-events-v3-2-16e37588604f@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add a channel for enabling/disabling the step counter, reading the
number of steps and resetting the counter.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Gustavo Silva <gustavograzs@gmail.com>
Link: https://patch.msgid.link/20250616-bmi270-events-v3-1-16e37588604f@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Prevent triggers from stop working after the device has entered sleep:
use iio_device_suspend_triggering and iio_device_resume_triggering helpers.
Closes: https://lore.kernel.org/all/31d7f7aa-e834-4fd0-a66a-e0ff528425dc@gmail.com
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Tested-by: Justin Weiss <justin@justinweiss.com>
Link: https://patch.msgid.link/20250525142530.71955-2-benato.denis96@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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In the bmi270_configure_imu() function, the accelerometer and gyroscope
configuration registers are incorrectly written with the mask
BMI270_PWR_CONF_ADV_PWR_SAVE_MSK, which is unrelated to these registers.
As a result, the accelerometer's sampling frequency is set to 200 Hz
instead of the intended 100 Hz.
Remove the mask to ensure the correct bits are set in the configuration
registers.
Fixes: 3ea51548d6b2 ("iio: imu: Add i2c driver for bmi270 imu")
Signed-off-by: Gustavo Silva <gustavograzs@gmail.com>
Reviewed-by: Alex Lanzano <lanzano.alex@gmail.com>
Link: https://patch.msgid.link/20250304-bmi270-odr-fix-v1-1-384dbcd699fb@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The BMI270 sensor provides two interrupt pins that can be used for
different interrupt sources, including a data ready signal. Add support
for configuring one the pins as a trigger source.
The interrupt pin can be configured with various options: active high or
low, push-pull or open-drain, and latched or non-latched.
Acked-by: Alex Lanzano <lanzano.alex@gmail.com>
Signed-off-by: Gustavo Silva <gustavograzs@gmail.com>
Link: https://patch.msgid.link/20250228-bmi270-irq-v2-3-3f97a4e8f551@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Rename all instances of 'struct bmi270_data' to 'data', to ensure
consistency across the driver.
Also rename bmi270_data::data to bmi270_data::buffer to avoid naming
conflicts.
Acked-by: Alex Lanzano <lanzano.alex@gmail.com>
Signed-off-by: Gustavo Silva <gustavograzs@gmail.com>
Link: https://patch.msgid.link/20250228-bmi270-irq-v2-2-3f97a4e8f551@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The device's private data struct is currently declared in the header
file, but it does not need to be exposed there. Move it to the driver's
core source file to avoid unnecessary #include directives or forward
declarations in the header.
Signed-off-by: Gustavo Silva <gustavograzs@gmail.com>
Acked-by: Alex Lanzano <lanzano.alex@gmail.com>
Link: https://patch.msgid.link/20250219-bmi270-irq-v1-1-145d02bbca3b@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The BMI270 IMU includes a temperature sensor. Add a channel for reading
the temperature.
Signed-off-by: Gustavo Silva <gustavograzs@gmail.com>
Link: https://patch.msgid.link/20250118-bmi270-temp-v2-1-50bc85f36ab2@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Clean up the existing export namespace code along the same lines of
commit 33def8498fdd ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.
Scripted using
git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
do
awk -i inplace '
/^#define EXPORT_SYMBOL_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/^#define MODULE_IMPORT_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/MODULE_IMPORT_NS/ {
$0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
}
/EXPORT_SYMBOL_NS/ {
if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
$0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
$0 !~ /^my/) {
getline line;
gsub(/[[:space:]]*\\$/, "");
gsub(/[[:space:]]/, "", line);
$0 = $0 " " line;
}
$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
"\\1(\\2, \"\\3\")", "g");
}
}
{ print }' $file;
done
Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Adds support for the Bosch BMI260 6-axis IMU to the Bosch BMI270
driver. Setup and operation is nearly identical to the Bosch BMI270,
but has a different chip ID and requires different firmware.
Firmware is requested and loaded from userspace.
Adds ACPI ID BMI0160, used by several devices including the GPD Win
Mini, Aya Neo AIR Pro, and OXP Mini Pro.
GPD Win Mini:
Device (BMI2)
{
Name (_ADR, Zero) // _ADR: Address
Name (_HID, "BMI0160") // _HID: Hardware ID
Name (_CID, "BMI0160") // _CID: Compatible ID
Name (_DDN, "Accelerometer") // _DDN: DOS Device Name
Name (_UID, One) // _UID: Unique ID
Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings
{
Name (RBUF, ResourceTemplate ()
{
I2cSerialBusV2 (0x0068, ControllerInitiated, 0x00061A80,
AddressingMode7Bit, "\\_SB.I2CB",
0x00, ResourceConsumer, , Exclusive,
)
GpioInt (Edge, ActiveLow, Exclusive, PullDefault, 0x0000,
"\\_SB.GPIO", 0x00, ResourceConsumer, ,
)
{ // Pin list
0x008B
}
})
Return (RBUF) /* \_SB_.I2CB.BMI2._CRS.RBUF */
}
...
}
Signed-off-by: Justin Weiss <justin@justinweiss.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20241027172029.160134-5-justin@justinweiss.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add read and write functions and create _available entries.
Signed-off-by: Justin Weiss <justin@justinweiss.com>
Link: https://patch.msgid.link/20241027172029.160134-3-justin@justinweiss.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Set up a triggered buffer for the accel and angl_vel values.
Signed-off-by: Justin Weiss <justin@justinweiss.com>
Link: https://patch.msgid.link/20241027172029.160134-2-justin@justinweiss.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Prepare the bmi270 driver to support similar devices like the bmi260.
Signed-off-by: Justin Weiss <justin@justinweiss.com>
Link: https://patch.msgid.link/20241020220011.212395-3-justin@justinweiss.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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These attributes are not currently wired up, and will always return
EINVAL.
Fixes: 3ea51548d6b2 ("iio: imu: Add i2c driver for bmi270 imu")
Signed-off-by: Justin Weiss <justin@justinweiss.com>
Link: https://patch.msgid.link/20241020220011.212395-2-justin@justinweiss.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The header files linux/module.h is included twice in bmi270_i2c.c,
so one inclusion of each can be removed.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=11363
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://patch.msgid.link/20241016003919.113306-1-yang.lee@linux.alibaba.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Implement SPI driver for the Bosch BMI270 6-axis IMU. Provide raw read
write access to acceleration and angle velocity measurements via the SPI
interface on the device.
Signed-off-by: Alex Lanzano <lanzano.alex@gmail.com>
Link: https://patch.msgid.link/20241002033628.681812-1-lanzano.alex@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add initial i2c support for the Bosch BMI270 6-axis IMU.
Provides raw read access to acceleration and angle velocity measurements
via iio channels. Device configuration requires firmware provided by
Bosch and is requested and load from userspace.
Signed-off-by: Alex Lanzano <lanzano.alex@gmail.com>
Link: https://patch.msgid.link/20240912210749.3080157-3-lanzano.alex@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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