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Thu, 22 Aug 2019 13:52:20 -0700 (PDT) From: Kevin Hilman To: Kevin Hilman , Alexandre Belloni , linux-rtc@vger.kernel.org Subject: Re: [PATCH v3 0/2] rtc: add new Amlogic Virtual Wake RTC In-Reply-To: <20190812232850.8016-1-khilman@kernel.org> References: <20190812232850.8016-1-khilman@kernel.org> Date: Thu, 22 Aug 2019 13:52:20 -0700 Message-ID: <7hmug03ou3.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190822_135222_164386_B0D9ED3C X-CRM114-Status: UNSURE ( 9.44 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Neil Armstrong Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Kevin Hilman writes: > From: Kevin Hilman > > 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel