linux-kernel - Re: [PATCH v6 1/5] dt-bindings: remoteproc: imx

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Message-ID:
 <PAXPR04MB918536F2859B9A57A0BAE84E89A8A@PAXPR04MB9185.eurprd04.prod.outlook.com>
Date: Thu, 18 Dec 2025 14:53:55 +0000
From: Shenwei Wang <shenwei.wang@....com>
To: Arnaud POULIQUEN <arnaud.pouliquen@...s.st.com>, Linus Walleij
	<linusw@...nel.org>, Bartosz Golaszewski <brgl@...nel.org>, Rob Herring
	<robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
	<conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, Mathieu
 Poirier <mathieu.poirier@...aro.org>, Shawn Guo <shawnguo@...nel.org>, Sascha
 Hauer <s.hauer@...gutronix.de>, Jonathan Corbet <corbet@....net>
CC: Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam
	<festevam@...il.com>, Peng Fan <peng.fan@....com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-remoteproc@...r.kernel.org" <linux-remoteproc@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-doc@...r.kernel.org"
	<linux-doc@...r.kernel.org>, dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH v6 1/5] dt-bindings: remoteproc: imx_rproc: Add "rpmsg"
 subnode support



> -----Original Message-----
> From: Arnaud POULIQUEN <arnaud.pouliquen@...s.st.com>
> Sent: Thursday, December 18, 2025 4:30 AM
> To: Shenwei Wang <shenwei.wang@....com>; Linus Walleij
> <linusw@...nel.org>; Bartosz Golaszewski <brgl@...nel.org>; Rob Herring
> <robh@...nel.org>; Krzysztof Kozlowski <krzk+dt@...nel.org>; Conor Dooley
> <conor+dt@...nel.org>; Bjorn Andersson <andersson@...nel.org>; Mathieu
> Poirier <mathieu.poirier@...aro.org>; Shawn Guo <shawnguo@...nel.org>;
> Sascha Hauer <s.hauer@...gutronix.de>; Jonathan Corbet <corbet@....net>
> Cc: Pengutronix Kernel Team <kernel@...gutronix.de>; Fabio Estevam
> <festevam@...il.com>; Peng Fan <peng.fan@....com>; linux-
> gpio@...r.kernel.org; devicetree@...r.kernel.org; linux-
> kernel@...r.kernel.org; linux-remoteproc@...r.kernel.org; imx@...ts.linux.dev;
> linux-arm-kernel@...ts.infradead.org; linux-doc@...r.kernel.org; dl-linux-imx
> <linux-imx@....com>
> Subject: [EXT] Re: [PATCH v6 1/5] dt-bindings: remoteproc: imx_rproc: Add
> "rpmsg" subnode support
>         syscon = <&src>;
> > +
> > +      rpmsg {
> > +        rpmsg-io-channel {
> > +          #address-cells = <1>;
> > +          #size-cells = <0>;
> > +
> > +          gpio@0 {
> > +            compatible = "rpmsg-gpio";
> > +            reg = <0>;
> > +            gpio-controller;
> > +            #gpio-cells = <2>;
> > +            #interrupt-cells = <2>;
> > +            interrupt-controller;
> > +            interrupt-parent = <&rpmsg_gpioa>;
> 
> 
> "rpmsg_gpioa" seems not defined, or I missed something?
> 

That's just a reference alias in the DTS example, so you can ignore it. I can also remove 
it in the next version to avoid any confusion.

Regards,
Shenwei

> Regards,
> Arnaud
> 
> > +          };
> > +
> > +          gpio@1 {
> > +            compatible = "rpmsg-gpio";
> > +            reg = <1>;
> > +            gpio-controller;
> > +            #gpio-cells = <2>;
> > +            #interrupt-cells = <2>;
> > +            interrupt-controller;
> > +            interrupt-parent = <&rpmsg_gpiob>;
> > +          };
> > +        };
> > +      };
> >       };
> >   ...