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Message-ID: <e8ae1f05-fe57-4fec-9e7e-1fccaed171e6@wolfvision.net>
Date: Tue, 30 Jan 2024 22:34:24 +0100
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH 2/2] dt-bindings: rtc: nxp,pcf8563: add hiz-output
 property
Content-Language: en-US
To: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>, Rob Herring
 <robh+dt@kernel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>,
 linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org,
 devicetree@vger.kernel.org
References: <20231024-topic-pcf85363_hiz_output-v1-0-50908aff0e52@wolfvision.net>
 <20231024-topic-pcf85363_hiz_output-v1-2-50908aff0e52@wolfvision.net>
 <20231025222327c0b5d460@mail.local>
 <2f17c031-30f6-4242-b2a1-1628402b3091@wolfvision.net>
 <1c4a6185-fe09-45d1-900a-10abf48e3fc9@wolfvision.net>
 <20231026005008b8255799@mail.local>
 <8fec6c89-548b-43b5-8361-869663a58573@wolfvision.net>
 <202310260956166bdcb845@mail.local>
From: Javier Carrasco <javier.carrasco@wolfvision.net>
In-Reply-To: <202310260956166bdcb845@mail.local>
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Hello Alexandre,

On 26.10.23 11:56, Alexandre Belloni wrote:

> There is a pin named INTA, it can mux 4 different functions:
> 
>  - clock output
>  - battery mode indication
>  - interrupt
>  - HiZ
> 
> with pinmuxing, you can select which function you want for the pin. I'm
> not sure what is misused there.
> 
> Can you explain what is your actual use case? I'm starting to understand
> that what you want is simply disable clock out because you are not using
> the interrupt.
> 
> If we assume we are never going to use battery mode, then we could
> simply used the CCF for this like the other RTC drivers.
> 

Could you please point me to an RTC driver that uses the CCF for a
similar application? I am not sure what you mean with the battery mode
to make use of the HiZ, and I would like to push forward with this
functionality.

Thank you.

Best regards,
Javier Carrasco