Re: [PATCH 1/5] dt-bindings: remoteproc: Add PRU consumer bindings

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On Wed, Dec 16, 2020 at 9:55 AM Grzegorz Jaszczyk
<grzegorz.jaszczyk@xxxxxxxxxx> wrote:
>
> Hi Rob,
>
> On Mon, 14 Dec 2020 at 23:58, Rob Herring <robh@xxxxxxxxxx> wrote:
> >
> > On Fri, Dec 11, 2020 at 03:29:29PM +0100, Grzegorz Jaszczyk wrote:
> > > From: Suman Anna <s-anna@xxxxxx>
> > >
> > > Add a YAML binding document for PRU consumers. The binding includes
> > > all the common properties that can be used by different PRU consumer
> > > or application nodes and supported by the PRU remoteproc driver.
> > > These are used to configure the PRU hardware for specific user
> > > applications.
> > >
> > > The application nodes themselves should define their own bindings.
> > >
> > > Co-developed-by: Tero Kristo <t-kristo@xxxxxx>
> > > Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
> > > Signed-off-by: Suman Anna <s-anna@xxxxxx>
> > > Co-developed-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@xxxxxxxxxx>
> > > Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@xxxxxxxxxx>
> > > ---
> > >  .../bindings/remoteproc/ti,pru-consumer.yaml  | 64 +++++++++++++++++++
> > >  1 file changed, 64 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,pru-consumer.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/remoteproc/ti,pru-consumer.yaml b/Documentation/devicetree/bindings/remoteproc/ti,pru-consumer.yaml
> > > new file mode 100644
> > > index 000000000000..2c5c5e2b6159
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/remoteproc/ti,pru-consumer.yaml
> > > @@ -0,0 +1,64 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/remoteproc/ti,pru-consumer.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Common TI PRU Consumer Binding
> > > +
> > > +maintainers:
> > > +  - Suman Anna <s-anna@xxxxxx>
> > > +
> > > +description: |
> > > +  A PRU application/consumer/user node typically uses one or more PRU device
> > > +  nodes to implement a PRU application/functionality. Each application/client
> > > +  node would need a reference to at least a PRU node, and optionally define
> > > +  some properties needed for hardware/firmware configuration. The below
> > > +  properties are a list of common properties supported by the PRU remoteproc
> > > +  infrastructure.
> > > +
> > > +  The application nodes shall define their own bindings like regular platform
> > > +  devices, so below are in addition to each node's bindings.
> > > +
> > > +properties:
> > > +  prus:
> >
> > ti,prus
>
> Thank you - I will change and post v2 but with this I will run into
> issues when this binding will be referenced by some consumer YAML
> binding. Running dtbs_check in such case throws:
> ... k3-am654-base-board.dt.yaml: serial@28000: 'ti,prus' does not
> match any of the regexes: 'pinctrl-[0-9]+'
> In the same time if I will remove this property from that node I am getting:
> ... k3-am654-base-board.dt.yaml: serial@28000: 'ti,prus' is a required property
> as expected.

Sounds like you didn't update 'ti,prus' in whatever schema you include
this one from.

>
> Getting rid of the comma from this property name workarounds mentioned
> problem (which is not proper but allows me to correctly test this
> binding): e.g. s/ti,prus/ti-pruss/ or using the previous name without
> a comma.
> It seems to be an issue with dtbs_check itself which we will encounter
> in the future.

If not, can you point me to a branch having this problem.

Rob



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