Re: PMIC driver prevents gpio-leds to work

Alexander Shiyan shc_work at
Tue Feb 18 13:43:46 EST 2014

Вторник, 18 февраля 2014, 15:20 -03:00 от Fabio Estevam <festevam at>:
> Hi,
> I am running into the following issue on imx6sl-evk.dts:
> - I can only get the user GPIO LED to work if I unselect the PFUZE100
> PMIC driver
> - This happens on linux-next as well as in the internal FSL kernel based on 3.10
> With CONFIG_REGULATOR_PFUZE100=y then the LED blinks only once and
> stops instead of blinking at the heartbeat rate.
> Changing to CONFIG_REGULATOR_PFUZE100=n then the LED blinks normally.
> I am not sure how the PMIC driver could interact and make the
> gpio-leds driver to fail.
> Any suggestions?

Perhaps, one of regulators turn off the power for a pin-group where LED is connected.


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