Messages in this thread | | | Date | Wed, 16 Jul 2014 18:30:30 +0530 | From | Sekhar Nori <> | Subject | Re: [PATCH 6/6] tty: serial: Add 8250-core based omap driver |
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On Wednesday 16 July 2014 06:02 PM, Tony Lindgren wrote: > * Sebastian Andrzej Siewior <bigeasy@linutronix.de> [140716 05:14]: >> On 07/11/2014 08:41 AM, Tony Lindgren wrote: >>> >>> If the RX pin does not wake it up, you need to configure the >>> pinctrl-single entry for it, and configure that pin as a wake-up >>> interrupt. See the interrupts-extended entry in omap3-beagle-xm.dts. >> >> This does not help. Checking the manual, there is not something like >> PIN_OFF_WAKEUPENABLE for am33xx. There is just INPUT/OUTPUT, pull >> up/down + enabled/disabled and the mux_mode. For the interrupt, the HW >> referenced as omap3_pmx_core touches some bits in the pinmux register >> which do not exists on am33xx. > > Right, on am33xx there's no IO chain wake-up path. AFAIK the only way > to provide wake events on am33xx would be to mux the RX pin temporarily > to a GPIO input. And sounds like that may work only if the GPIO is > in the first GPIO bank that's always on. I don't know if the other > GPIO banks on am33xx can provide wake up events.
No, they cannot.
Thanks, Sekhar
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