On Fri, Apr 03, 2020 at 04:29:00PM +1100, Evan Benn wrote: > From: Julius Werner <jwerner@xxxxxxxxxxxx> > > This patch adds a watchdog driver that can be used on ARM systems > with the appropriate watchdog implemented in Secure Monitor firmware. > The driver communicates with firmware via a Secure Monitor Call. > This may be useful for platforms using TrustZone that want > the Secure Monitor firmware to have the final control over the watchdog. > > This is implemented on mt8173 chromebook devices oak, elm and hana in > arm trusted firmware file plat/mediatek/mt8173/drivers/wdt/wdt.c. > > Signed-off-by: Julius Werner <jwerner@xxxxxxxxxxxx> > Signed-off-by: Evan Benn <evanbenn@xxxxxxxxxxxx> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> Guenter