RE: [PATCH v6 1/2] dt-bindings: net: Add FSD EQoS device tree bindings

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> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> Sent: 13 February 2025 17:31
> To: Swathi K S <swathi.ks@xxxxxxxxxxx>
> Cc: krzk+dt@xxxxxxxxxx; andrew+netdev@xxxxxxx; davem@xxxxxxxxxxxxx;
> edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx; pabeni@xxxxxxxxxx;
> robh@xxxxxxxxxx; conor+dt@xxxxxxxxxx; richardcochran@xxxxxxxxx;
> mcoquelin.stm32@xxxxxxxxx; alexandre.torgue@xxxxxxxxxxx;
> rmk+kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH v6 1/2] dt-bindings: net: Add FSD EQoS device tree
> bindings
> 
> On 13/02/2025 12:04, Swathi K S wrote:
> >
> >
> >> -----Original Message-----
> >> From: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> >> Sent: 13 February 2025 13:24
> >> To: Swathi K S <swathi.ks@xxxxxxxxxxx>
> >> Cc: krzk+dt@xxxxxxxxxx; andrew+netdev@xxxxxxx;
> davem@xxxxxxxxxxxxx;
> >> edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx; pabeni@xxxxxxxxxx;
> >> robh@xxxxxxxxxx; conor+dt@xxxxxxxxxx; richardcochran@xxxxxxxxx;
> >> mcoquelin.stm32@xxxxxxxxx; alexandre.torgue@xxxxxxxxxxx;
> >> rmk+kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx;
> >> devicetree@xxxxxxxxxxxxxxx; linux-stm32@st-md-
> mailman.stormreply.com;
> >> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> >> Subject: Re: [PATCH v6 1/2] dt-bindings: net: Add FSD EQoS device
> >> tree bindings
> >>
> >> On Thu, Feb 13, 2025 at 10:16:23AM +0530, Swathi K S wrote:
> >>> +  clock-names:
> >>> +    minItems: 5
> >>> +    maxItems: 10
> >>> +    contains:
> >>> +      enum:
> >>> +        - ptp_ref
> >>> +        - master_bus
> >>> +        - slave_bus
> >>> +        - tx
> >>> +        - rx
> >>> +        - master2_bus
> >>> +        - slave2_bus
> >>> +        - eqos_rxclk_mux
> >>> +        - eqos_phyrxclk
> >>> +        - dout_peric_rgmii_clk
> >>
> >> This does not match the previous entry. It should be strictly ordered
> >> with
> >> minItems: 5.
> >
> > Hi Krzysztof,
> > Thanks for reviewing.
> > In FSD SoC, we have 2 instances of ethernet in two blocks.
> > One instance needs 5 clocks and the other needs 10 clocks.
> 
> I understand and I do not think this is contradictory to what I asked.
> If it is, then why/how?
> 
> >
> > I tried to understand this by looking at some other dt-binding files
> > as given below, but looks like they follow similar approach
> > Documentation/devicetree/bindings/net/stm32-dwmac.yaml
> > Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> >
> > Could you please guide me on how to implement this?
> > Also, please help me understand what is meant by 'strictly ordered'
> 
> Every other 99% of bindings. Just like your clocks property.

Hi Krzysztof,
Thanks for your feedback.
I want to make sure I fully understand your comment. 
I can see we have added clocks and clock names in the same order.
Could you please help in detail what specifically needs to be modified regarding the ordering and minItems/maxItems usage?

-Swathi

> 
> Best regards,
> Krzysztof






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