[PATCH v6 1/5] dt-bindings: remoteproc: imx_rproc: Add "rpmsg" subnode support

[Shenwei Wang]

> -----Original Message-----
> From: Arnaud POULIQUEN <arnaud.pouliquen at foss.st.com>
> Sent: Thursday, December 18, 2025 4:30 AM
> To: Shenwei Wang <shenwei.wang at nxp.com>; Linus Walleij
> <linusw at kernel.org>; Bartosz Golaszewski <brgl at kernel.org>; Rob Herring
> <robh at kernel.org>; Krzysztof Kozlowski <krzk+dt at kernel.org>; Conor Dooley
> <conor+dt at kernel.org>; Bjorn Andersson <andersson at kernel.org>; Mathieu
> Poirier <mathieu.poirier at linaro.org>; Shawn Guo <shawnguo at kernel.org>;
> Sascha Hauer <s.hauer at pengutronix.de>; Jonathan Corbet <corbet at lwn.net>
> Cc: Pengutronix Kernel Team <kernel at pengutronix.de>; Fabio Estevam
> <festevam at gmail.com>; Peng Fan <peng.fan at nxp.com>; linux-
> gpio at vger.kernel.org; devicetree at vger.kernel.org; linux-
> kernel at vger.kernel.org; linux-remoteproc at vger.kernel.org; imx at lists.linux.dev;
> linux-arm-kernel at lists.infradead.org; linux-doc at vger.kernel.org; dl-linux-imx
> <linux-imx at nxp.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 at 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 at 1 {
> > +            compatible = "rpmsg-gpio";
> > +            reg = <1>;
> > +            gpio-controller;
> > +            #gpio-cells = <2>;
> > +            #interrupt-cells = <2>;
> > +            interrupt-controller;
> > +            interrupt-parent = <&rpmsg_gpiob>;
> > +          };
> > +        };
> > +      };
> >       };
> >   ...