[PATCH 1/1] dt-bindings: soc: add vf610 reset controller

Frank Li Frank.li at nxp.com
Sat May 31 02:14:14 AEST 2025


On Fri, May 30, 2025 at 04:23:31PM +0100, Conor Dooley wrote:
> On Wed, May 28, 2025 at 11:43:59AM -0400, Frank Li wrote:
> > On Mon, May 26, 2025 at 04:54:30PM +0100, Conor Dooley wrote:
> > > On Thu, May 22, 2025 at 05:39:50PM -0400, Frank Li wrote:
> > > > Add vf610 reset controller, which used to reboot system to fix below
> > > > CHECK_DTB warnings:
> > > >
> > > > arch/arm/boot/dts/nxp/vf/vf610-bk4.dtb: /soc/bus at 40000000/src at 4006e000:
> > > >     failed to match any schema with compatible: ['fsl,vf610-src', 'syscon']
> > > >
> > > > Signed-off-by: Frank Li <Frank.Li at nxp.com>
> > > > ---
> > > >  .../bindings/soc/fsl/fsl,vf610-src.yaml       | 46 +++++++++++++++++++
> > > >  1 file changed, 46 insertions(+)
> > > >  create mode 100644 Documentation/devicetree/bindings/soc/fsl/fsl,vf610-src.yaml
> > > >
> > > > diff --git a/Documentation/devicetree/bindings/soc/fsl/fsl,vf610-src.yaml b/Documentation/devicetree/bindings/soc/fsl/fsl,vf610-src.yaml
> > > > new file mode 100644
> > > > index 0000000000000..4c92a5e4892bf
> > > > --- /dev/null
> > > > +++ b/Documentation/devicetree/bindings/soc/fsl/fsl,vf610-src.yaml
> > > > @@ -0,0 +1,46 @@
> > > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > > +%YAML 1.2
> > > > +---
> > > > +$id: http://devicetree.org/schemas//soc/fsl/fsl,vf610-src.yaml#
> > >
> > > It's a reset controller then, shouldn't it be in /reset, not //soc?
> >
> > It is not reset controller since there are not #reset-cells property to
> > reset other models. It just provides syscon to reboot the whole system.
>
> | Add vf610 reset controller
> | The System Reset Controller (SRC) generates the resets for the device.
>
> Giving me mixed signal here chief. If you call something a reset
> controller multiple times without any additional clarification that it
> does not provide resets to peripherals, how is anyone reading the patch
> not supposed to come to the same conclusion as me?

Yes, reference manual call it reset controllers! But it just indicate reset
signal happen. let me add more descrption at commit message.

Frank




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