On Wed, 2018-06-27 at 11:39 +0200, Daniel Lezcano wrote: > On 27/06/2018 09:53, Stanley Chu wrote: > > This patch adds a new clock event for the timer > > found on the Mediatek SoCs. > > > > The Mediatek System Timer has several 32-bit timers. > > Only one timer is used by this driver as a clock event > > supporting oneshot events. > > > > The System Timer can be run with two clocks. A 13 MHz system > > clock and the RTC clock running at 32 KHz. This implementation > > uses the system clock with no clock source divider. > > Recent platforms have the arch_arm_timer and it will be always selected. > > What is the benefit of adding this timer ? > > Hi Daniel, To save power as much as possible, our platform enables "arch_timer_c3stop" in arch_arm_timer, and thus another always-on timer is required for tick-broadcasting. System Timer is introduced for above purpose. Thanks. Stanley Chu -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
