Hi Suniel, Am 02.04.20 um 06:39 schrieb Suniel Mahesh: > On Wed, Apr 1, 2020 at 3:40 PM Markus Reichl <m.reichl@xxxxxxxxxxxxx> wrote: >> >> Hi Suniel, >> >> Am 01.04.20 um 06:53 schrieb Suniel Mahesh: >> > Hi Markus, Levin and all, >> > >> > Can you guys please suggest me on my requirement. >> > >> > rk3399-roc-pc board has a Power Key/button. As per the schematics this >> > Power Key/button >> > is connected to GPIO0_A5. >> >> And to PWRON of RK808. >> >> > >> > My requirement is can I use this button for board powerup (especially >> > in linux when we issue >> > "poweroff" command, the board shuts down and it should power back on >> > after I press the Power Key/button). >> > >> > For the above to happen, I think this Power Key/button be connected to >> > PMIC RK808-D IC, am i correct ? >> >> Yes, see P.16 of ROC-3399-PC-V10-A-20180804 schematic. >> > >> > In the schematics, it is not very clear as if such arrangement is >> > there (though it says it can be an option in >> > RK3399_BOX_REF_V13_20180821.pdf). I am attaching the document. >> > >> > Please suggest/comment on my requirement. >> >> Should work, everything is in place, just press long enough ;-). > > Thanks Markus for your help. its working. > >> >> Btw. could you just revert your recent U-Boot commit >> checking GPIO0_A5 that prevents unattended booting? > > we have sent a patch series(5 patches) which takes care of the above > issue. attaching patchwork links: > https://patchwork.ozlabs.org/patch/1258093/ I looked at your [v2,2/5] roc-rk3399-pc: Set low power leds, power key only if POR [1] and it seems to prevent unattended boot after a power interruption (brown out), which is a problem for a device with a built in board and no access to power key or operator. I really would prefer straight boot without human intervention in all cases. Thanks, -- Markus [1] https://patchwork.ozlabs.org/patch/1258094/ > > Suniel >> >> Thanks, >> -- >> Markus >> >> > >> > Thanks and regards >> > Suniel >> > > _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip
