topic Re: Software power-down in i.MX Processors

Software power-down

michael_maurer — Wed, 29 Jan 2020 09:49:39 GMT

How to deassert the PMIC_ON_REQ pin, in order to force a power-down software based

Re: Software power-down

igorpadykov — Wed, 29 Jan 2020 11:12:16 GMT

Hi Michael

one can try 1256-ENGR00178629-i.MX6-sabresd-support-software-power-of.patch

available on https://community.nxp.com/docs/DOC-97660

Best regards
igor
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Re: Software power-down

michael_maurer — Wed, 29 Jan 2020 12:28:47 GMT

Hi Igor,

I don’t want to power up the processor, here there is a method, I want to power it down based on software. I haven’t found any description how to initiate a software power-down procedure that de-asserts the PMIC_ON_REQ and shuts-down the PMIC.

Best regards

Michael

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Re: Software power-down

igorpadykov — Wed, 29 Jan 2020 12:48:53 GMT

Hi Michael

1256-ENGR00178629-i.MX6-sabresd-support-software-power-of.patch

de-asserts PMIC_ON_REQ and shuts-down the PMIC:

Q&A: How is mx6 PMIC_ON_REQ under SW control?

Best regards
igor