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Wed, 20 Aug 2025 13:49:23 -0700 (PDT) Date: Wed, 20 Aug 2025 14:49:21 -0600 From: Mathieu Poirier To: Shenwei Wang Cc: Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Linus Walleij , Bartosz Golaszewski , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: Re: [PATCH 0/4] Enable Remote GPIO over RPMSG on i.MX Platform Message-ID: References: <20250818204420.794554-1-shenwei.wang@nxp.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250818204420.794554-1-shenwei.wang@nxp.com> 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 >