[EXT] Re: [PATCH v4 2/5] dt-bindings: arm: fsl: add imx-se-fw binding doc

[Pankaj Gupta]

> -----Original Message-----
> From: Krzysztof Kozlowski <krzk at kernel.org>
> Sent: Monday, July 8, 2024 11:46 AM
> To: Pankaj Gupta <pankaj.gupta at nxp.com>; Jonathan Corbet
> <corbet at lwn.net>; Rob Herring <robh at kernel.org>; Krzysztof Kozlowski
> <krzk+dt at kernel.org>; Conor Dooley <conor+dt at kernel.org>; Shawn Guo
> <shawnguo at kernel.org>; Sascha Hauer <s.hauer at pengutronix.de>;
> Pengutronix Kernel Team <kernel at pengutronix.de>; Fabio Estevam
> <festevam at gmail.com>; Rob Herring <robh+dt at kernel.org>; Krzysztof
> Kozlowski <krzysztof.kozlowski+dt at linaro.org>
> Cc: linux-doc at vger.kernel.org; linux-kernel at vger.kernel.org;
> devicetree at vger.kernel.org; imx at lists.linux.dev; linux-arm-
> kernel at lists.infradead.org
> Subject: Re: [EXT] Re: [PATCH v4 2/5] dt-bindings: arm: fsl: add imx-se-fw
> binding doc
> 
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> 
> On 08/07/2024 07:50, Pankaj Gupta wrote:
> >> Drop redundant/obvious parts.
> > Will replace above two description line with the below two.
> >       - description: mailbox phandle to send message to se firmware
> >       - description: mailbox phandle to receive message from se
> > firmware
> >
> >>
> >> So two mailboxes?
> > Two handles of the same mailbox.
> >
> >>
> >>> +
> >>> +  mbox-names:
> >>> +    items:
> >>> +      - const: tx
> >>> +      - const: rx
> >>> +      - const: txdb
> >>> +      - const: rxdb
> >>
> >> 4 mailboxes? This cannot be different.
> > mbox-names can have any of the above mentioned 4 values.
> > And  two values are minimum, required.
> 
> No, I said it cannot be different. If two are minimum, then you can have here
> 4, right? But earlier you said you can have only 2. It does not make any sense.

Understood.  Will fix this with following changes.

-      - const: tx
-      - const: rx
-      - const: txdb
-      - const: rxdb
-    minItems: 2
+      - enum:
+          - tx
+          - txdb
+      - enum:
+          - rx
+          - rxdb


> 
> >
> >>
> >>> +    minItems: 2
> >>> +
> >>> +  memory-region:
> >>> +    description: contains the phandle to reserved external memory.
> >>
> >> Drop
> > Will remove the line " description: contains the phandle to reserved external
> memory."
> >
> >>
> >>> +    items:
> >>> +      - description: It is used by secure-enclave firmware. It is an optional
> >>> +          property based on compatible and identifier to
> >>> + communication
> >> interface.
> >>> +          (see bindings/reserved-memory/reserved-memory.txt)
> >>> +
> >>> +  sram:
> >>> +    description: contains the phandle to sram.
> >>
> >> Drop
> > Will remove " description: contains the phandle to sram."
> >
> >>
> >>> +    items:
> >>> +      - description: Phandle to the device SRAM. It is an optional property
> >>> +          based on compatible and identifier to communication interface.
> >>> +
> >>> +required:
> >>> +  - compatible
> >>> +  - reg
> >>> +  - mboxes
> >>> +  - mbox-names
> >>> +
> >>> +additionalProperties: false
> >>
> >> Keep it after allOf block
> >
> > In V2, it is after allOf block.
> > In previous comments, it was commented to place allOf block, after
> required.
> > I am little confused.
> 
> So why did you implement it entirely different? Read the comment from Conor
> and from me again. I am sorry, but repeating the same three times (once by
> Conor, twice by me) is quite a waste of time.
> 
> Open example-schema. How is it done there?

Understood the point. Referred to the example-schema.
Will correct as per the example-schema.

> 
> Best regards,
> Krzysztof