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From: Alexandre Belloni <>
To: Paul Fertser <>
Cc: Ivan Mikhaylov <>,
	Alessandro Zummo <>,,
Subject: Re: [PATCH 0/2] rtc: pch-rtc: add Intel Series PCH built-in read-only RTC
Date: Sun, 15 Aug 2021 01:22:15 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <20210814224215.GX15173@home.paul.comp>

On 15/08/2021 01:42:15+0300, Paul Fertser wrote:
> 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.

This is not the current thinking, if everything is integrated, then
there is no issue registering a watchdog from the RTC driver. I'll let
you check with Lee...

However, I'm not sure what is the correct interface for poweroff/reboot

Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering

  reply	other threads:[~2021-08-17  0:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-10 15:44 [PATCH 0/2] rtc: pch-rtc: add Intel Series PCH built-in read-only RTC Ivan Mikhaylov
2021-08-10 15:44 ` [PATCH 1/2] rtc: pch-rtc: add RTC driver for Intel Series PCH Ivan Mikhaylov
2021-08-14 22:52   ` Paul Fertser
2021-08-20 12:34     ` Ivan Mikhaylov
2021-09-25 22:24       ` Alexandre Belloni
2021-08-10 15:44 ` [PATCH 2/2] dt-bindings: rtc: provide RTC PCH device tree binding doc Ivan Mikhaylov
2021-08-14 22:42 ` [PATCH 0/2] rtc: pch-rtc: add Intel Series PCH built-in read-only RTC Paul Fertser
2021-08-14 23:22   ` Alexandre Belloni [this message]
2021-08-17 18:04   ` Milton Miller II
2021-08-17 20:05     ` Alexandre Belloni
2021-08-30 11:56       ` Ivan Mikhaylov
2021-09-14 23:52         ` Ivan Mikhaylov

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