linux-kernel - RE: [PATCH v3 2/6] dt-bindings: thermal: r9a09g047-tsu: Document the TSU unit

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Message-ID:
 <OSBPR01MB2775B1B2FB8EE446E15B38CEFFDF2@OSBPR01MB2775.jpnprd01.prod.outlook.com>
Date: Mon, 17 Mar 2025 10:56:34 +0000
From: John Madieu <john.madieu.xa@...renesas.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: "geert+renesas@...der.be" <geert+renesas@...der.be>, "conor+dt@...nel.org"
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Subject: RE: [PATCH v3 2/6] dt-bindings: thermal: r9a09g047-tsu: Document the
 TSU unit

Hi Krzysztof,

Thanks for the review!

> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@...nel.org>
> Sent: Monday, March 17, 2025 10:29 AM
> To: John Madieu <john.madieu.xa@...renesas.com>
> Subject: Re: [PATCH v3 2/6] dt-bindings: thermal: r9a09g047-tsu: Document
> the TSU unit
> 
> On Sat, Mar 15, 2025 at 09:12:12AM +0100, John Madieu wrote:
> > The Renesas RZ/G3E SoC includes a Thermal Sensor Unit (TSU) block
> > designed to measure the junction temperature. The device provides
> > real-time temperature measurements for thermal management, utilizing a
> > single dedicated channel (channel 1) for temperature sensing.
> 
> Please wrap commit message according to Linux coding style / submission
> process (neither too early nor over the limit):

Will be fixed in v4.

> 
> Please run scripts/checkpatch.pl and fix reported warnings. After that,
> run also 'scripts/checkpatch.pl --strict' and (probably) fix more
> warnings. Some warnings can be ignored, especially from --strict run, but
> the code here looks like it needs a fix. Feel free to get in touch if the
> warning is not clear.

Noted. Thanks!

> 
> >
> > Signed-off-by: John Madieu <john.madieu.xa@...renesas.com>
> > ---
> > v1 -> v2:
> >  * Fix reg property specifier to get rid of yamlint warnings
> >  * Fix IRQ name to reflect TSU expectations
> 
> ...
> 
> > +  interrupts:
> > +    description: |
> > +      Interrupt specifiers for the TSU:
> > +      - S12TSUADI1: Conversion complete interrupt signal (pulse)
> > +      - S12TSUADCMPI1: Comparison result interrupt signal (level)
> 
> Same problems as before - you need to list and describe items to have
> constraints. Otherwise why 5 interrupts are allowed but only two
> interrupt-names (test this)?
> 
> There is no syntax like above in any other bindings. If you found such,
> please share the filename so we can fix it.

Will fix it in v4.

> 
> > +
> > +  interrupt-names:
> > +    items:
> > +      - const: adi
> > +      - const: adcmpi
> > +
> > +  "#thermal-sensor-cells":
> > +    const: 0
> > +
> > +  renesas,tsu-calibration-sys:
> > +    $ref: /schemas/types.yaml#/definitions/phandle
> > +    description: |
> > +      Phandle to the system controller (sys) that contains the TSU
> > +      calibration values used for temperature calculations.
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - resets
> > +  - power-domains
> > +  - interrupts
> > +  - interrupt-names
> > +  - "#thermal-sensor-cells"
> > +  - renesas,tsu-calibration-sys
> > +
> > +    thermal-zones {
> 
> Drop the node, no need to show how to use provider binding.

Noted. Thanks!

> 
> Best regards,
> Krzysztof

Regards,
John