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From:   Jagath Jog J <jagathjog1996@gmail.com>
To:     jic23@kernel.org, andriy.shevchenko@linux.intel.com,
        u.kleine-koenig@pengutronix.de, lars@metafoo.de,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        linus.walleij@linaro.org
Cc:     linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v2 0/2] iio: imu: Add driver and dt-bindings for BMI323
Date:   Fri, 13 Oct 2023 09:18:06 +0530
Message-Id: <20231013034808.8948-1-jagathjog1996@gmail.com>
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Precedence: bulk

Add dt-bindings and IIO driver for Bosch BMI323 a 6 axis IMU.

Complete list of device sysfs files
.
├── buffer
│   ├── data_available
│   ├── direction
│   ├── enable
│   ├── hwfifo_enabled
│   ├── hwfifo_watermark
│   ├── length
│   └── watermark
├── buffer0
│   ├── data_available
│   ├── direction
│   ├── enable
│   ├── hwfifo_enabled
│   ├── hwfifo_watermark
│   ├── in_accel_x_en
│   ├── in_accel_x_index
│   ├── in_accel_x_type
│   ├── in_accel_y_en
│   ├── in_accel_y_index
│   ├── in_accel_y_type
│   ├── in_accel_z_en
│   ├── in_accel_z_index
│   ├── in_accel_z_type
│   ├── in_anglvel_x_en
│   ├── in_anglvel_x_index
│   ├── in_anglvel_x_type
│   ├── in_anglvel_y_en
│   ├── in_anglvel_y_index
│   ├── in_anglvel_y_type
│   ├── in_anglvel_z_en
│   ├── in_anglvel_z_index
│   ├── in_anglvel_z_type
│   ├── in_timestamp_en
│   ├── in_timestamp_index
│   ├── in_timestamp_type
│   ├── length
│   └── watermark
├── current_timestamp_clock
├── dev
├── events
│   ├── in_accel_gesture_doubletap_en
│   ├── in_accel_gesture_doubletap_reset_timeout
│   ├── in_accel_gesture_doubletap_tap2_min_delay
│   ├── in_accel_gesture_doubletap_tap2_min_delay_available
│   ├── in_accel_gesture_doubletap_value
│   ├── in_accel_gesture_singletap_en
│   ├── in_accel_gesture_singletap_reset_timeout
│   ├── in_accel_gesture_singletap_value
│   ├── in_accel_gesture_tap_reset_timeout_available
│   ├── in_accel_gesture_tap_value_available
│   ├── in_accel_gesture_tap_wait_dur
│   ├── in_accel_gesture_tap_wait_dur_available
│   ├── in_accel_gesture_tap_wait_timeout
│   ├── in_accel_mag_falling_en
│   ├── in_accel_mag_falling_hysteresis
│   ├── in_accel_mag_falling_period
│   ├── in_accel_mag_falling_value
│   ├── in_accel_mag_hysteresis_available
│   ├── in_accel_mag_period_available
│   ├── in_accel_mag_rising_en
│   ├── in_accel_mag_rising_hysteresis
│   ├── in_accel_mag_rising_period
│   ├── in_accel_mag_rising_value
│   ├── in_accel_mag_value_available
│   ├── in_steps_change_en
│   └── in_steps_change_value
├── in_accel_mount_matrix
├── in_accel_oversampling_ratio
├── in_accel_oversampling_ratio_available
├── in_accel_sampling_frequency
├── in_accel_sampling_frequency_available
├── in_accel_scale
├── in_accel_scale_available
├── in_accel_x_raw
├── in_accel_y_raw
├── in_accel_z_raw
├── in_anglvel_mount_matrix
├── in_anglvel_oversampling_ratio
├── in_anglvel_oversampling_ratio_available
├── in_anglvel_sampling_frequency
├── in_anglvel_sampling_frequency_available
├── in_anglvel_scale
├── in_anglvel_scale_available
├── in_anglvel_x_raw
├── in_anglvel_y_raw
├── in_anglvel_z_raw
├── in_steps_en
├── in_steps_input
├── in_temp_offset
├── in_temp_raw
├── in_temp_scale
├── name
├── of_node -> ../../../../../../../firmware/devicetree/base/soc/i2c@7e804000/i2c_bmi323@68
├── power
│   ├── autosuspend_delay_ms
│   ├── control
│   ├── runtime_active_time
│   ├── runtime_status
│   └── runtime_suspended_time
├── scan_elements
│   ├── in_accel_x_en
│   ├── in_accel_x_index
│   ├── in_accel_x_type
│   ├── in_accel_y_en
│   ├── in_accel_y_index
│   ├── in_accel_y_type
│   ├── in_accel_z_en
│   ├── in_accel_z_index
│   ├── in_accel_z_type
│   ├── in_anglvel_x_en
│   ├── in_anglvel_x_index
│   ├── in_anglvel_x_type
│   ├── in_anglvel_y_en
│   ├── in_anglvel_y_index
│   ├── in_anglvel_y_type
│   ├── in_anglvel_z_en
│   ├── in_anglvel_z_index
│   ├── in_anglvel_z_type
│   ├── in_timestamp_en
│   ├── in_timestamp_index
│   └── in_timestamp_type
├── subsystem -> ../../../../../../../bus/iio
├── trigger
│   └── current_trigger
├── uevent
└── waiting_for_supplier

Changes from RFC to v2

Review by Andy:
- Sorted header files and added unit.h
- Splitting macro
- Defined new macros and enums to use in place of magic numbers.
- Used KILO instead of large number
- Used guard and scoped_guard from cleanup.h
- Used ARRAY_SIZE() instead of value
- Replaced kstrtoint with kstrtobool
- Used min() and in_range() from minmax.h
- Used GENMASK instead of magic number
- Remove error print from interrupt handler
- Removed casting and le16_to_cpup, used sign_extend32 for getting final value
- Used while loop instead of for
- Remove the check for the return value of 0 from fwnode_irq_get_byname()
- Used dev_err_probe() in all probe paths
- Removed 0 from i2c_ids[]
- Used read_flag_mask for spi regmap configuration
- Dropped blank line
- Used regmap_read_poll_timeout() function instead of while loop
- Applied fixes as per review

Review by Jonathan
- Used oversampling instead of averaging
- Reverse the order of avail_scan_masks
- Use FIELD_PREP() directly in place of set_mask_bits
- Remove irq_type from devm_request_threaded_irq
- Use FIELD_GET() with mask
- Added comment for delay used for feature engine enable
- Use dev_err_probe in all probe paths
- For I2C regmap, allocated memory in device private data
- Use pad_bits=16 for spi regmap_configuration
- Added both interrupts in the dt-bindings

Review by Krzysztof Kozlowski
- Removed duplicated words from subject
- Removed '|'
- Added supplies
- Used generic node name "imu"
- Removed spi example node

Review by Uwe Kleine-König
- Use probe instead of probe_new
- Placed datasheet in driver

Jagath Jog J (2):
  dt-bindings: iio: imu: Add Bosch BMI323
  iio: imu: Add driver for BMI323 IMU

 Documentation/ABI/testing/sysfs-bus-iio       |   18 +
 .../bindings/iio/imu/bosch,bmi323.yaml        |   77 +
 MAINTAINERS                                   |    7 +
 drivers/iio/imu/Kconfig                       |    1 +
 drivers/iio/imu/Makefile                      |    1 +
 drivers/iio/imu/bmi323/Kconfig                |   33 +
 drivers/iio/imu/bmi323/Makefile               |    7 +
 drivers/iio/imu/bmi323/bmi323.h               |  209 ++
 drivers/iio/imu/bmi323/bmi323_core.c          | 2139 +++++++++++++++++
 drivers/iio/imu/bmi323/bmi323_i2c.c           |  121 +
 drivers/iio/imu/bmi323/bmi323_spi.c           |   92 +
 11 files changed, 2705 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/imu/bosch,bmi323.yaml
 create mode 100644 drivers/iio/imu/bmi323/Kconfig
 create mode 100644 drivers/iio/imu/bmi323/Makefile
 create mode 100644 drivers/iio/imu/bmi323/bmi323.h
 create mode 100644 drivers/iio/imu/bmi323/bmi323_core.c
 create mode 100644 drivers/iio/imu/bmi323/bmi323_i2c.c
 create mode 100644 drivers/iio/imu/bmi323/bmi323_spi.c

-- 
2.20.1