linux-kernel - Re: [PATCH 0/4] Enable Remote GPIO over RPMSG on i.MX Platform

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Message-ID: <aKY00cmV0NnOlAmx@p14s>
Date: Wed, 20 Aug 2025 14:49:21 -0600
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: Shenwei Wang <shenwei.wang@....com>
Cc: Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, Peng Fan <peng.fan@....com>,
	linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-imx@....com
Subject: Re: [PATCH 0/4] Enable Remote GPIO over RPMSG on i.MX Platform

Did you send me a patchset that doesn't clear checkpatch.pl?

On Mon, Aug 18, 2025 at 03:44:16PM -0500, Shenwei Wang wrote:
> Support the remote devices on the remote processor via the RPMSG bus on
> i.MX platform.
> 
> The expected DTS layout structure is following:
> 
>     cm33: remoteproc-cm33 {
>              compatible = "fsl,imx8ulp-cm33";
> 
>              rpmsg {
>                      rpmsg-io-channel {
>                              gpio@0 {
>                                      compatible = "fsl,imx-rpmsg-gpio";
>                                      reg = <0>;
>                              };
> 
>                              gpio@1 {
>                                      compatible = "fsl,imx-rpmsg-gpio";
>                                      reg = <1>;
>                              };
> 
>                              ...
>                      };
> 
>                      rpmsg-i2c-channel {
>                              i2c@0 {
>                                      compatible = "fsl,imx-rpmsg-i2c";
>                                      reg = <0>;
>                              };
>                      };
> 
>                      ...
>              };
>      };
> 
> 
> Shenwei Wang (4):
>   dt-bindings: remoteproc: imx_rproc: Add "rpmsg" subnode support
>   remoteproc: imx_rproc: Populate devices under "rpmsg" subnode
>   gpio: imx-rpmsg: add imx-rpmsg GPIO driver
>   arm64: dts: imx8ulp: Add rpmsg node under imx_rproc
> 
>  .../bindings/remoteproc/fsl,imx-rproc.yaml    | 117 ++++
>  arch/arm64/boot/dts/freescale/imx8ulp.dtsi    |  27 +
>  drivers/gpio/Kconfig                          |  11 +
>  drivers/gpio/Makefile                         |   1 +
>  drivers/gpio/gpio-imx-rpmsg.c                 | 559 ++++++++++++++++++
>  drivers/remoteproc/imx_rproc.c                | 125 ++++
>  include/linux/imx_rpmsg.h                     |  55 ++
>  7 files changed, 895 insertions(+)
>  create mode 100644 drivers/gpio/gpio-imx-rpmsg.c
>  create mode 100644 include/linux/imx_rpmsg.h
> 
> --
> 2.43.0
>