Linux RTC
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From: Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com>
To: Frank Li <Frank.li@nxp.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Alexander Stein <alexander.stein@ew.tq-group.com>,
	linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, s32@nxp.com, imx@lists.linux.dev,
	Christophe Lizzi <clizzi@redhat.com>,
	Alberto Ruiz <aruizrui@redhat.com>,
	Enric Balletbo <eballetb@redhat.com>,
	Eric Chanudet <echanude@redhat.com>,
	Larisa Grigore <larisa.grigore@nxp.com>
Subject: Re: [PATCH 1/2] dt-bindings: rtc: nxp,pcf85063: add 'no-battery' property
Date: Thu, 10 Apr 2025 17:51:06 +0300	[thread overview]
Message-ID: <652aa23b-ba12-42c3-94b7-8d0bbe548aec@oss.nxp.com> (raw)
In-Reply-To: <Z/fZww9TDLhm66O3@lizhi-Precision-Tower-5810>

On 4/10/2025 5:46 PM, Frank Li wrote:
> On Thu, Apr 10, 2025 at 11:25:47AM +0300, Ciprian Costea wrote:
>> From: Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com>
>>
>> In case the RTC is not linked to any battery, the oscillator will
>> be stopped at startup, triggering a SW reset command for the PCF85063 RTC.
>> For this setup, introduce 'no-battery' property which can be used to
>> manually start the oscillator.
>>
>> Co-developed-by: Larisa Grigore <larisa.grigore@nxp.com>
>> Signed-off-by: Larisa Grigore <larisa.grigore@nxp.com>
>> Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com>
>> ---
>>   Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml
>> index 2f892f8640d1..b342eb13fb2e 100644
>> --- a/Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml
>> +++ b/Documentation/devicetree/bindings/rtc/nxp,pcf85063.yaml
>> @@ -36,6 +36,11 @@ properties:
>>       enum: [7000, 12500]
>>       default: 7000
>>
>> +  no-battery:
>> +    description: Used in case the RTC is not linked to any battery so the
>> +      oscillator is stopped at startup.
>> +    type: boolean
> 
> Can you use optional regulator such as, vbat-supply?
> 
> Frank
> 

Hello Frank,

Please disregard this patchset, as stated in the next patch review [1]

[1] 
https://lore.kernel.org/all/e64083ee-3374-4bdf-92a3-ce91e1402b13@oss.nxp.com/

Regards,
Ciprian

>> +
>>     clock:
>>       $ref: /schemas/clock/fixed-clock.yaml
>>       description:
>> --
>> 2.45.2
>>


  reply	other threads:[~2025-04-10 14:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-10  8:25 [PATCH 0/2] enable PCF85063 RTC support for S32G274A-RDB2 and S32G399A-RDB3 boards Ciprian Costea
2025-04-10  8:25 ` [PATCH 1/2] dt-bindings: rtc: nxp,pcf85063: add 'no-battery' property Ciprian Costea
2025-04-10 14:46   ` Frank Li
2025-04-10 14:51     ` Ciprian Marian Costea [this message]
2025-04-10  8:25 ` [PATCH 2/2] rtc: pcf85063: handle stopped oscillator at startup Ciprian Costea
2025-04-10  9:17   ` Alexandre Belloni
2025-04-10 12:56     ` Ciprian Marian Costea

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