[PATCH v3 2/4] ARM: at91: pm: add ULP1 mode support

2016-02-14 Thread Wenyou Yang
The ULP1 (Ultra Low-power mode 1) is introduced by SAMA5D2. In the ULP1 mode, all the clocks are shut off, inclusive the embedded 12MHz RC oscillator, so as to achieve the lowest power consumption with the system in retention mode and able to resume on the wake up events. As soon as the wake up

[PATCH v3 2/4] ARM: at91: pm: add ULP1 mode support

2016-02-14 Thread Wenyou Yang
The ULP1 (Ultra Low-power mode 1) is introduced by SAMA5D2. In the ULP1 mode, all the clocks are shut off, inclusive the embedded 12MHz RC oscillator, so as to achieve the lowest power consumption with the system in retention mode and able to resume on the wake up events. As soon as the wake up