linux-kernel - Re: [PATCH v9,2/7] dt-bindings: thermal: Add dt-binding document for LVTS thermal controllers

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Date:   Wed, 21 Sep 2022 08:20:06 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, bchihi@...libre.com,
        rafael@...nel.org, rui.zhang@...el.com, daniel.lezcano@...aro.org,
        amitk@...nel.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        khilman@...libre.com, mka@...omium.org, robh+dt@...nel.org,
        krzk+dt@...nel.org, matthias.bgg@...il.com, p.zabel@...gutronix.de,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, james.lo@...iatek.com,
        fan.chen@...iatek.com, louis.yu@...iatek.com,
        rex-bc.chen@...iatek.com, abailon@...libre.com
Subject: Re: [PATCH v9,2/7] dt-bindings: thermal: Add dt-binding document for
 LVTS thermal controllers

On 14/09/2022 14:19, AngeloGioacchino Del Regno wrote:
> 
>> +
>> +  nvmem-cell-names:
>> +    minItems: 1
>> +    maxItems: 2
>> +    description: Calibration efuse cell names for LVTS
> 
> Actually, maxItems is not really two, but it depends on how many
> eFuse arrays / nvmem cells we have for each SoC, so I was thinking...
> 
> ...what about doing something like
> 
>    nvmem-cell-names:
>      minItems: 1
>      items:
>        pattern: 'lvts-calib-data[0-9]+$'
> 
> and then,
>    if:
>      properties:
>        compatible:
>          contains:
>            enum:
>              - mediatek,blahblah-something
>    then:
>      properties:
>        nvmem-cell-names:
>          maxItems: 2 (or 3, 4, 5...)
> 
> P.S.: I haven't tried any binding check on the proposed lines.
> 

Should work, but does not enforce the order, so I would rather propose
something longer:

properties:
  nvmem-cell-names:
    items:
      - lvts-calib-data0
      - lvts-calib-data1
    minItems: 1


and then in allOf:if:then set minItems:2 or maxItems:1




Best regards,
Krzysztof