linux-kernel - Re: [PATCH v3] dt-bindings: net: nfc: nxp,pn544: Convert txt bindings to yaml

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Message-Id: <5MQ41R.3H1Q29VJH3GC3@ixit.cz>
Date:   Sun, 17 Oct 2021 18:18:05 +0200
From:   David Heidelberg <david@...t.cz>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     Rob Herring <robh@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, ~okias/devicetree@...ts.sr.ht
Subject: Re: [PATCH v3] dt-bindings: net: nfc: nxp,pn544: Convert txt bindings
 to yaml



On Sun, Oct 10 2021 at 23:01:24 +0200, Krzysztof Kozlowski 
<krzysztof.kozlowski@...onical.com> wrote:
> On 10/10/2021 21:31, Rob Herring wrote:
>>  On Sat, 09 Oct 2021 18:19:42 +0200, David Heidelberg wrote:
>>>  Convert bindings for NXP PN544 NFC driver to YAML syntax.
>>> 
>>>  Signed-off-by: David Heidelberg <david@...t.cz>
>>>  ---
>>>  v2
>>>   - Krzysztof is a maintainer
>>>   - pintctrl dropped
>>>   - 4 space indent for example
>>>   - nfc node name
>>>  v3
>>>   - remove whole pinctrl
>>>   .../bindings/net/nfc/nxp,pn544.yaml           | 61 
>>> +++++++++++++++++++
>>>   .../devicetree/bindings/net/nfc/pn544.txt     | 33 ----------
>>>   2 files changed, 61 insertions(+), 33 deletions(-)
>>>   create mode 100644 
>>> Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml
>>>   delete mode 100644 
>>> Documentation/devicetree/bindings/net/nfc/pn544.txt
>>> 
>> 
>>  Running 'make dtbs_check' with the schema in this patch gives the
>>  following warnings. Consider if they are expected or the schema is
>>  incorrect. These may not be new warnings.
>> 
>>  Note that it is not yet a requirement to have 0 warnings for 
>> dtbs_check.
>>  This will change in the future.
>> 
>>  Full log is available here: 
>> https://patchwork.ozlabs.org/patch/1538804
>> 
>> 
>>  pn547@28: 'clock-frequency' is a required property
>>  	arch/arm64/boot/dts/qcom/msm8992-msft-lumia-octagon-talkman.dt.yaml
>>  	arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon-cityman.dt.yaml
>> 
> 
> I think clock-frequency should be dropped from I2C slave device.
> Similarly to this one:
> https://lore.kernel.org/linux-nfc/f955726a-eb2d-7b3e-9c5f-978358710eb6@canonical.com/T/#u
> 
You have right, it isn't parsed by driver and values match parent i2c 
bus. I dropped it in next revision.

David

> 
> Best regards,
> Krzysztof