i.MX Processors中的主题 i2c probe Command Issue

i2c probe Command Issue

anshulkhare — Thu, 11 Jan 2018 13:22:03 GMT

Hello All,

i am working on IMX6ul board, in u-boot i2c Command is enabled,

but when i am giving i2c probe command through command line i am not getting all the valid chip address,

in logs i am receiving failure continuously.

Valid chip addresses :

wait_for_sr_state : failed sr=81 cr=a0 state=2020

i2c init transfer : failed for chip 0xx0 retry=0

i am not getting why this failure is coming.

Could anyone kindly provide us with some information on this. Any help on this is much appreciated.

Thank you.

Re: i2c probe Command Issue

igorpadykov — Thu, 11 Jan 2018 23:19:43 GMT

Hi Anshul

one can check signals with oscilloscope and check iomux

settings: pay attention that sion bit was set.

Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------