RTC Issue: PCF85263

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RTC Issue: PCF85263

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rizwanm
Contributor II

Hi,

I am using RTC PCF85263 in our imx6 Quad custom board. 

I am always getting the below error.

Oscillator stop detected, date/time is not reliable.
Oscillator stop detected, date/time is not reliable.
 rtc core: registered rtc-pcf85263 as rtc0
PCF85263 RTC (irqpin=None irq=0)
Oscillator stop detected, date/time is not reliable.
 hctosys: unable to read the hardware clock
 Oscillator stop detected, date/time is not reliable.

 

This error will comes when we write the date and try to read the same. Below the steps followed

1. Set current date using  "date -s" command

2. hwclock -w

3. hwclock

 

Could you please help for the same.

 

Best Regards,
Rizwan M

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1 Reply

215 Views
igorpadykov
NXP TechSupport
NXP TechSupport

Hi Rizwan

one can try to debug it using AN4553 Using Open Source Debugging Tools for

Linux on i.MX Processors
https://www.nxp.com/docs/en/application-note/AN4553.pdf 

i2c communication can be tested with sdk baremetal test (1.1.0_iMX6_Platform_SDK.zip)

SMP Enable in IMX6 

Best regards
igor
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