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Yocto mx6dl PMIC_ON_REQ control on shutdown

Question asked by Stas Gil on Feb 20, 2018
Latest reply on Feb 22, 2018 by Stas Gil

Hi community,


    I need to look and work through the shutdown procedure of our imx6DL custom board that was based on sabresd and using PFUZE100 pmic.  


PMIC_ON_REQ line is connected to PMIC_PWRON


kernel version - 4.1.15


I'm trying to find the implementation of pm_power_off() function that is called on shutdown, and find a place where software toggles the PMIC_ON_REQ line, in case of a soft shutdown (issuing "$shutdown -h -P now")


We are using the device tree, and there is nothing that i could find in arch/arm/mach-imx


the rtc-snvs driver is disabled (CONFIG_POWER_RESET_IMX is not set)


Any tips ?