linux-kernel - Re: [PATCH 02/15] dt-bindings: media: addition of stm32 csi driver description

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Message-ID: <20241105074115.GA1413559@gnbcxd0016.gnb.st.com>
Date: Tue, 5 Nov 2024 08:42:17 +0100
From: Alain Volmat <alain.volmat@...s.st.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: Hugues Fruchet <hugues.fruchet@...s.st.com>,
        Mauro Carvalho Chehab
	<mchehab@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre
 Torgue <alexandre.torgue@...s.st.com>,
        Hans Verkuil
	<hverkuil-cisco@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Rob
 Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor
 Dooley <conor+dt@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>, <linux-media@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH 02/15] dt-bindings: media: addition of stm32 csi driver
 description

Hi Krzysztof,

On Tue, Oct 08, 2024 at 03:23:10PM +0200, Krzysztof Kozlowski wrote:
> On Tue, Oct 08, 2024 at 01:18:04PM +0200, Alain Volmat wrote:
> > Addition of the stm32 csi controller driver
> 
> This is supposed to be about hardware, not driver. Missing full stop.

Ok, commit message corrected in the upcoming v2.

> 
> > 
> > Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
> > ---
> >  .../devicetree/bindings/media/st,stm32-csi.yaml    | 129 +++++++++++++++++++++
> 
> Use compatible as filename.

Fixed

> 
> >  1 file changed, 129 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/media/st,stm32-csi.yaml b/Documentation/devicetree/bindings/media/st,stm32-csi.yaml
> > new file mode 100644
> > index 000000000000..71e7c51be58c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/st,stm32-csi.yaml
> > @@ -0,0 +1,129 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/st,stm32-csi.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: STMicroelectronics STM32 CSI controller
> > +
> > +description:
> > +  The STM32 CSI controller allows connecting a CSI based
> > +  camera to the DCMIPP camera pipeline.
> > +
> > +maintainers:
> > +  - Alain Volmat <alain.volmat@...s.st.com>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - st,stm32mp25-csi
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    maxItems: 3
> > +
> > +  clock-names:
> > +    items:
> > +      - const: pclk
> > +      - const: txesc
> > +      - const: csi2phy
> > +
> > +  resets:
> > +    maxItems: 1
> > +
> > +  vdd-supply:
> > +    description: Digital core power supply (0.91V)
> > +
> > +  vdda18-supply:
> > +    description: System analog power supply (1.8V)
> > +
> > +  access-controllers:
> > +    minItems: 1
> > +    maxItems: 2
> > +
> > +  ports:
> > +    $ref: /schemas/graph.yaml#/properties/ports
> > +
> > +    properties:
> > +      port@0:
> > +        $ref: /schemas/graph.yaml#/$defs/port-base
> > +        unevaluatedProperties: false
> > +        description:
> > +          Input port node
> > +
> > +        properties:
> > +          endpoint:
> > +            $ref: video-interfaces.yaml#
> > +            unevaluatedProperties: false
> > +
> > +            properties:
> > +              data-lanes:
> > +                description:
> > +                  Indicate the number of data-lanes and their mapping.
> > +
> > +                items:
> 
> Drop

Done

> 
> ... and test your patches. Mailing list is not the place to test them.
> Your machine is.

I did, however my dtschema was too old hence not reporting the issue.
Once updated I now got the error reported and fixed that.

> 
> > +                  minItems: 1
> > +                  items:
> > +                    - const: 1
> > +                    - const: 2
> > +
> > +            required:
> > +              - data-lanes
> > +
> > +      port@1:
> > +        $ref: /schemas/graph.yaml#/properties/port
> > +        description:
> > +          Output port node
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - clocks
> > +  - clock-names
> > +  - resets
> > +  - ports
> 
> Best regards,
> Krzysztof
> 

Regards,
Alain