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,
linux-arm-kernel@lists.infradead.org,
Neil Armstrong <narmstrong@baylibre.com>,
devicetree@vger.kernel.org
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
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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