Please disregard this patch set and use the new one instead. Thanks, Shenwei
> -----Original Message----- > From: Shenwei Wang <[email protected]> > Sent: Tuesday, February 10, 2026 11:05 AM > To: Linus Walleij <[email protected]>; Bartosz Golaszewski <[email protected]>; > Rob Herring <[email protected]>; Krzysztof Kozlowski <[email protected]>; > Conor Dooley <[email protected]>; Bjorn Andersson > <[email protected]>; Mathieu Poirier <[email protected]>; Shawn > Guo <[email protected]>; Sascha Hauer <[email protected]>; > Jonathan Corbet <[email protected]> > Cc: Pengutronix Kernel Team <[email protected]>; Fabio Estevam > <[email protected]>; Shenwei Wang <[email protected]>; Peng Fan > <[email protected]>; [email protected]; [email protected]; > [email protected]; [email protected]; > [email protected]; [email protected]; linux- > [email protected]; dl-linux-imx <[email protected]>; > [email protected] > Subject: [PATCH v7 0/4] Enable Remote GPIO over RPMSG on i.MX Platform > > Support the remote devices on the remote processor via the RPMSG bus on i.MX > platform. > > Changes in v7: > - Reworked the driver to use the rpmsg_driver framework instead of > platform_driver, based on feedback from Bjorn and Arnaud. > - Updated gpio-rpmsg.yaml and imx_rproc.yaml according to comments from > Rob and Arnaud. > - Further refinements to gpio-rpmsg.yaml per Arnaud's feedback. > > Changes in v6: > - make the driver more generic with the actions below: > rename the driver file to gpio-rpmsg.c > remove the imx related info in the function and variable names > rename the imx_rpmsg.h to rpdev_info.h > create a gpio-rpmsg.yaml and refer it in imx_rproc.yaml > - update the gpio-rpmsg.rst according to the feedback from Andrew and > move the source file to driver-api/gpio > - fix the bug reported by Zhongqiu Han > - remove the I2C related info > > Changes in v5: > - move the gpio-rpmsg.rst from admin-guide to staging directory after > discussion with Randy Dunlap. > - add include files with some code improvements per Bartosz's comments. > > Changes in v4: > - add a documentation to describe the transport protocol per Andrew's > comments. > - add a new handler to get the gpio direction. > > Changes in v3: > - fix various format issue and return value check per Peng 's review > comments. > - add the logic to also populate the subnodes which are not in the > device map per Arnaud's request. (in imx_rproc.c) > - update the yaml per Frank's review comments. > > Changes in v2: > - re-implemented the gpio driver per Linus Walleij's feedback by using > GPIOLIB_IRQCHIP helper library. > - fix various format issue per Mathieu/Peng 's review comments. > - update the yaml doc per Rob's feedback > > Shenwei Wang (4): > dt-bindings: remoteproc: imx_rproc: Add "rpmsg" subnode support > docs: driver-api: gpio: rpmsg gpio driver over rpmsg bus > gpio: rpmsg: add generic rpmsg GPIO driver > arm64: dts: imx8ulp: Add rpmsg node under imx_rproc > > .../devicetree/bindings/gpio/gpio-rpmsg.yaml | 55 ++ > .../bindings/remoteproc/fsl,imx-rproc.yaml | 53 ++ > Documentation/driver-api/gpio/gpio-rpmsg.rst | 236 +++++++ > Documentation/driver-api/gpio/index.rst | 1 + > arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 27 + > drivers/gpio/Kconfig | 16 + > drivers/gpio/Makefile | 1 + > drivers/gpio/gpio-rpmsg.c | 583 ++++++++++++++++++ > 8 files changed, 972 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-rpmsg.yaml > create mode 100644 Documentation/driver-api/gpio/gpio-rpmsg.rst > create mode 100644 drivers/gpio/gpio-rpmsg.c > > -- > 2.43.0
