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Subject: Re: [PATCH v3 9/9] dt-bindings: serial: stm32: add phandle
 'bluetooth' to fix dtbs_check warrning
To:     dillon min <dillon.minfei@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Ahmad Fatoum <a.fatoum@pengutronix.de>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@st.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        <linux-stm32@st-md-mailman.stormreply.com>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        <linux@armlinux.org.uk>, Vladimir Murzin <vladimir.murzin@arm.com>,
        <afzal.mohd.ma@gmail.com>, <gregkh@linuxfoundation.org>,
        <erwan.leray@st.com>, <erwan.leray@foss.st.com>,
        <linux-serial@vger.kernel.org>, <lkp@intel.com>
References: <1615801436-3016-1-git-send-email-dillon.minfei@gmail.com>
 <1615801436-3016-10-git-send-email-dillon.minfei@gmail.com>
 <CAL9mu0Lfj+n4uk2rT8QnDtRveHn2gLx4ut6fLCByt0w9e08vwQ@mail.gmail.com>
From:   Alexandre TORGUE <alexandre.torgue@foss.st.com>
Message-ID: <01c9f635-7b2b-fc9c-3cf9-6d7f425d683e@foss.st.com>
Date:   Fri, 19 Mar 2021 09:38:39 +0100
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Hi Dillon

On 3/19/21 5:28 AM, dillon min wrote:
> No changes, Just loop lkp in.
> 
> 
> Hi lkp,
> 
> Sorry for the late reply, thanks for your report.
> This patch is to fix the build warning message.
> 
> Thanks.
> Regards
> 
> On Mon, Mar 15, 2021 at 5:45 PM <dillon.minfei@gmail.com> wrote:
>>
>> From: dillon min <dillon.minfei@gmail.com>
>>
>> when run make dtbs_check with 'bluetoothi brcm,bcm43438-bt'
>> dts enabled on stm32h7, there is a warrning popup:
>>
>>>> arch/arm/boot/dts/stm32h750i-art-pi.dt.yaml: serial@40004800: 'bluetooth'
>>     does not match any of the regexes: 'pinctrl-[0-9]+'
>>
>> to make dtbs_check happy, so add a phandle bluetooth
>>
>> Fixes: 500cdb23d608 ("ARM: dts: stm32: Add STM32H743 MCU and STM32H743i-EVAL board")
>> Signed-off-by: dillon min <dillon.minfei@gmail.com>
>> Reported-by: kernel test robot <lkp@intel.com>
>> ---
>>   Documentation/devicetree/bindings/serial/st,stm32-uart.yaml | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> index 8631678283f9..5e674840e62d 100644
>> --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> @@ -50,6 +50,11 @@ properties:
>>       minItems: 1
>>       maxItems: 2
>>
>> +  bluetooth:
>> +    type: object
>> +    description: |
>> +      phandles to the usart controller and bluetooth
>> +

Do we really need to add this "generic" property here ? You could test 
without the "AditionalProperties:False".

Regards
Alex


>>   # cts-gpios and rts-gpios properties can be used instead of 'uart-has-rtscts'
>>   # or 'st,hw-flow-ctrl' (deprecated) for making use of any gpio pins for flow
>>   # control instead of dedicated pins.
>> --
>> 1.9.1
>>