From: Kevin Hilman <khilman@baylibre.com>
To: Kevin Hilman <khilman@kernel.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
linux-rtc@vger.kernel.org
Cc: linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Neil Armstrong <narmstrong@baylibre.com>
Subject: Re: [PATCH v3 0/2] rtc: add new Amlogic Virtual Wake RTC
Date: Thu, 22 Aug 2019 13:52:20 -0700 [thread overview]
Message-ID: <7hmug03ou3.fsf@baylibre.com> (raw)
In-Reply-To: <20190812232850.8016-1-khilman@kernel.org>
Kevin Hilman <khilman@kernel.org> writes:
> From: Kevin Hilman <khilman@baylibre.com>
>
> Add a new driver for the virtual wake RTC on Amlogic SoCs.
>
> The RTC is virtual from the Linux side because it's a hardware timer
> managed by firmware on the secure co-processor (SCP.) The interface
> is 1 register where a wakeup time (in seconds) is written. The SCP then
> uses this value to program an always-on timer.
Just FYI... this was originally tested on G12A and G12B SoCs, but has
now also been tested to work unmodified on the new SM1 SoC as well.
Kevin
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prev parent reply other threads:[~2019-08-22 20:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-12 23:28 [PATCH v3 0/2] rtc: add new Amlogic Virtual Wake RTC Kevin Hilman
2019-08-12 23:28 ` [PATCH v3 1/2] dt-bindings: rtc: new binding for Amlogic VRTC Kevin Hilman
2019-08-22 21:11 ` Alexandre Belloni
2019-08-12 23:28 ` [PATCH v3 2/2] rtc: Add Amlogic Virtual Wake RTC Kevin Hilman
2019-08-22 21:11 ` Alexandre Belloni
2019-08-22 20:52 ` Kevin Hilman [this message]
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