linux-kernel - [PATCH v3 0/4] iio: proximity: Add interrupt support for RFD77402

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Message-ID: <20251221083902.134098-1-raskar.shree97@gmail.com>
Date: Sun, 21 Dec 2025 14:08:58 +0530
From: Shrikant Raskar <raskar.shree97@...il.com>
To: jic23@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: dlechner@...libre.com,
	nuno.sa@...log.com,
	andy@...nel.org,
	heiko@...ech.de,
	neil.armstrong@...aro.org,
	skhan@...uxfoundation.org,
	david.hunter.linux@...il.com,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Shrikant Raskar <raskar.shree97@...il.com>
Subject: [PATCH v3 0/4] iio: proximity: Add interrupt support for RFD77402

This patch series adds:
 - Add RF Digital vendor prefix
 - YAML binding for RFD77402
 - Add OF device ID for enumeration via DT
 - Use kernel helper for result polling
 - Interrupt handling support
 
These changes enable DT-based configuration and event-driven
operation for the RFD77402 Time-of-Flight sensor.

Changelog:
Changes since v2:
- Add 'Reviewed-by' tag to dt-binding patch.
- Update commit message in OF device ID patch.
- Update commit message in the third patch.
- Replace rfd77402_result_polling() with read_poll_timeout().
- Add 'struct rfd77402_data' details in kernel-doc format.
- Arrange includes in order.
- Add comment for completion timeout value.
- Remove blank lines.
- Indent the comments to code.
- Convert mutex_init() to devm_mutex_init().
- Remove 'IRQF_TRIGGER_FALLING' flag from devm_request_threaded_irq().
- Drop the duplicate message.
- Replace 'dev_info' with 'dev_dbg()'.
- Update 'dev_id' to 'pdata' in rfd77402_interrupt_handler().
- Drop 'interrupt mode' comment
- Use 'if(ret)' instead of 'if(ret < 0) for consistency.
- Use 'return i2c_smbus_write_byte_data()' in 'rfd77402_config_irq'.

Shrikant Raskar (4):
  dt-bindings: iio: proximity: Add RF Digital RFD77402 ToF sensor
  iio: proximity: rfd77402: Add OF device ID for enumeration via DT
  iio: proximity: rfd77402: Use kernel helper for result polling
  iio: proximity: rfd77402: Add interrupt handling support

 .../iio/proximity/rfdigital,rfd77402.yaml     |  53 +++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 drivers/iio/proximity/rfd77402.c              | 149 +++++++++++++++---
 3 files changed, 183 insertions(+), 21 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/iio/proximity/rfdigital,rfd77402.yaml


base-commit: d8ba32c5a460837a5f0b9619dac99fafb6faef07
-- 
2.43.0