Hi Heiko, On Sat, 7 Dec 2019 at 04:02, Heiko Stuebner <heiko@xxxxxxxxx> wrote: > > Hi Anand, > > Am Freitag, 6. Dezember 2019, 19:45:28 CET schrieb Anand Moon: > > Most of the RK3399 SBC boards do not perform clean > > shutdown and clean reboot. > > > > These patches try to help resolve the issue with proper > > shutdown by turning off the PMIC. > > > > For reference > > RK805 PMCI data sheet: > > [0] http://rockchip.fr/RK805%20datasheet%20V1.3.pdf > > RK808 PMIC data sheet: > > [1] http://rockchip.fr/RK808%20datasheet%20V1.4.pdf > > RK817 PMIC data sheet: > > [2] http://rockchip.fr/RK817%20datasheet%20V1.01.pdf > > RK818 PMIC data sheet: > > [3] http://rockchip.fr/RK818%20datasheet%20V1.0.pdf > > > > Reboot issue: > > My guess is that we need to some proper sequence of > > setting to PMCI to perform clean. > > > > If you have any input please share them. > > The rk8xx pmics may not on all devices be responsible for powering down > the device. That is what the system-power-controller dt-property is for. > > So that property is there for a reason - to indicate that the pmic is > responsible for power-off-handling. > > Heiko > Ok, my intent was to have common framework for shutdown, restart, suspend, resume routines. -Anand
