Re: [PATCH v5 10/14] dt-bindings: firmware: Add fsl,scu yaml file

From: Viorel Suman
Date: Mon Jun 27 2022 - 08:02:18 EST


On 22-06-24 12:25:44, Krzysztof Kozlowski wrote:
> On 16/06/2022 18:42, Viorel Suman wrote:
> > From: Abel Vesa <abel.vesa@xxxxxxx>
> >
> > In order to replace the fsl,scu txt file from bindings/arm/freescale,
> > we need to split it between the right subsystems. This patch adds the
> > fsl,scu.yaml in the firmware bindings folder. This one is only for
> > the main SCU node. The old txt file will be removed only after all
> > the child nodes have been properly switch to yaml.
> >
> > Signed-off-by: Abel Vesa <abel.vesa@xxxxxxx>
> > Signed-off-by: Viorel Suman <viorel.suman@xxxxxxx>
> > ---
> > .../devicetree/bindings/firmware/fsl,scu.yaml | 170 ++++++++++++++++++
> > 1 file changed, 170 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/firmware/fsl,scu.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/firmware/fsl,scu.yaml b/Documentation/devicetree/bindings/firmware/fsl,scu.yaml

[...]

> > +properties:
> > + $nodename:
> > + const: 'scu'
>
> Why enforcing node name? Second point is that node names should be
> generic, so I wonder what "SCU" exactly means and whether it is generic?
>

It stands for "System Control Unit" - looks generic to me.
I guess a reason to enforce it - need to check with Abel - might be
the need to group multiple SCU implementations under a common known name.

> > +
> > + compatible:
> > + const: fsl,imx-scu
> > +
> > + clock-controller:
> > + description: |
> > + $ref: /schemas/clock/fsl,scu-clk.yaml
>
> That's not a valid syntax. ref is not part of description
>

Right, will fix that, thank you for review.

Regards,
Viorel