linux-kernel - [PATCH v3 0/4] media: i2c: ds90ub953: Add back channel GPIO support

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Message-Id: <20250916-ds90ub953-v3-0-bb7bc6545da7@nxp.com>
Date: Tue, 16 Sep 2025 17:43:42 +0800
From: Guoniu Zhou <guoniu.zhou@....com>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Frank Li <Frank.Li@....com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev, 
 Guoniu Zhou <guoniu.zhou@....com>
Subject: [PATCH v3 0/4] media: i2c: ds90ub953: Add back channel GPIO
 support

Add back channel GPIO support.
  dt-bindings: media: ti,ds90ub953: Add new range for remote GPIO data
  media: i2c: ds90ub953: Add back channel GPIO support

Use helper macro to simplify code.
  media: i2c: ds90ub953: use devm_mutex_init() to simplify code
  media: i2c: ds90ub953: use guard() to simplify code

Signed-off-by: Guoniu Zhou <guoniu.zhou@....com>
---
Changes in v3:
- Make GPIO range from 0-3 to 0-7 to support GPIO data from remote
  compatible deserializer suggested by Rob instead of adding third
  cell for GPIO controller.
- Update driver to expand GPIO range.
- Link to v2: https://lore.kernel.org/r/20250911-ds90ub953-v2-0-03ee76eb6b59@nxp.com

Changes in v2:
- Remove new property ti,gpio-data added in patch 1.
- Add third cell for GPIO controller to select GPIO output source.
- Move PTR_ERR() in dev_err_probe();
- Link to v1: https://lore.kernel.org/r/20250910-ds90ub953-v1-0-a7813ffbdf11@nxp.com

---
Guoniu Zhou (4):
      dt-bindings: media: ti,ds90ub953: Add new range for remote GPIO data
      media: i2c: ds90ub953: Add back channel GPIO support
      media: i2c: ds90ub953: use devm_mutex_init() to simplify code
      media: i2c: ds90ub953: use guard() to simplify code

 .../bindings/media/i2c/ti,ds90ub953.yaml           |   8 +-
 drivers/media/i2c/ds90ub953.c                      | 114 +++++++++++----------
 2 files changed, 68 insertions(+), 54 deletions(-)
---
base-commit: 34837c444cd42236b2b43ce871f30d83776a3431
change-id: 20250901-ds90ub953-168628c53a00

Best regards,
-- 
Guoniu Zhou <guoniu.zhou@....com>