Linux driver for PF1550 and iMX6ULZ

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Linux driver for PF1550 and iMX6ULZ

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Contributor II

Hi

Could somebody clarify which linux driver to use for the the PF1550 with the iMX6ULZ and where I can find an example device tree binding.

Thanks

Ian

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4 Replies

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Contributor I

I too would like to know what the status of the PF1550 driver is.

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NXP TechSupport
NXP TechSupport

ian@etwoc.com 

Hello,

  PMIC PF1550 is supported by NXP Linux BSP.  Use section 2.5.2 (PMIC PF Regulator)

of i.MX Linux Reference Manual (Rev. L5.4.24_2.1.0) for more details.

Embedded Linux for i.MX Applications Processors | NXP 

Regards,

Yuri.

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Contributor II

Hi

In L5.4.24_2.1.0 I see the pf1550-regulator-rpmsg driver but not the pf1550 client driver. I just checked and the client driver was available in the 4.19.35_1.1.0 release (pf1550.c) but has been removed in latest BSP. I also noticed the pf1550 charger driver was removed in the latest release, pf1550-charger.c in /drivers/power/supply. 

Do I have to use the rpmsg drive now, even in a iMX6ULZ application? What about the battery charger driver as that has now been removed?

Thanks

Ian

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NXP TechSupport
NXP TechSupport

@ian3 
Hello,

  Yes, It has been removed from  L5.4.24_2.1.0 release. However, if customers are using pf1550 with i.MX6ULZ then they can still port/integrate those drivers in their BSP. The BSP team has been requested about  reasons behind the removal of the driver; I will inform You  in case of an update.

Regards,
Yuri.