From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@roeck-us.net (Guenter Roeck) Date: Tue, 24 Nov 2015 10:08:28 -0800 Subject: [PATCH v5 3/5] watchdog: ts4800: add driver for TS-4800 watchdog In-Reply-To: <1448388053-30661-4-git-send-email-damien.riegel@savoirfairelinux.com> References: <1448388053-30661-1-git-send-email-damien.riegel@savoirfairelinux.com> <1448388053-30661-4-git-send-email-damien.riegel@savoirfairelinux.com> Message-ID: <20151124180828.GA11719@roeck-us.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Nov 24, 2015 at 01:00:51PM -0500, Damien Riegel wrote: > This watchdog is instantiated in a FPGA that is memory mapped. It is > made of only one register, called the feed register. Writing to this > register will re-arm the watchdog for a given time (and enable it if it > was disable). It can be disabled by writing a special value into it. > > It is part of a syscon block, and the watchdog register offset in this > block varies from board to board. This offset is passed in the syscon > property after the phandle to the syscon node. > > Signed-off-by: Damien Riegel Reviewed-by: Guenter Roeck