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Date:   Sun, 15 Aug 2021 01:42:15 +0300
From:   Paul Fertser <>
To:     Ivan Mikhaylov <>
Cc:     Alessandro Zummo <>,
        Alexandre Belloni <>,,
Subject: Re: [PATCH 0/2] rtc: pch-rtc: add Intel Series PCH built-in
 read-only RTC

On Tue, Aug 10, 2021 at 06:44:34PM +0300, Ivan Mikhaylov wrote:
> Add RTC driver with dt binding tree document. Also this driver adds one sysfs
> attribute for host power control which I think is odd for RTC driver.
> Need I cut it off and use I2C_SLAVE_FORCE? I2C_SLAVE_FORCE is not good
> way too from my point of view. Is there any better approach?

Reading the C620 datasheet I see this interface also allows other
commands (wake up, watchdog feeding, reboot etc.) and reading statuses
(e.g Intruder Detect, POWER_OK_BAD).

I think if there's any plan to use anything other but RTC via this
interface then the driver should be registered as an MFD.

Be free, use free ( software!

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