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How to properly intiate boot sequance of stm32mp1?

I am upgrading from ecosystem 4.1 to 4.0. after changing every thing properly in the device tree. and now i successfully compiled the image partitions using bitbake how ever when i boot using the flashed images every thing works correctly utill i rec...

iheb by Associate III
  • 4072 Views
  • 13 replies
  • 5 kudos

RTC Clock Source Selecton Issue - STM32MP135F

Hi,I'm having an issue with RTC module. getting an error due to no clock source is connected to rtc_ck:[ 3.645423] stm32_rtc 5c004000.rtc: rtc_ck is slow[ 3.749902] stm32_rtc 5c004000.rtc: Can't enter in init mode. Prescaler config failed.[ 3.756489]...

STM32MP157 VREFBUF enable fails

We are using STM32MP157F in our board, running OSD32MP1 Debian SDK v3.0 (Linux Kernel v5.10-stm32mp).In our board VDDA pin is connected to LDO5 at 3.3VVREF+ and VREF- pins are connected to VSSA.We cannot supply external VREF for ADC due to hardware l...

VREF-connection.png
farid by Associate II
  • 1018 Views
  • 1 replies
  • 0 kudos

How to use STM32MP157AAD3T internal clock

Dear STM:       We would like to ask some quesions about how the internal clock of STM32MP157 series chips is used, in the handware instruction manual,only the use of external  clock is introduce,How dose STM32MP157 use the internal clock? 

lingwang by Associate II
  • 2382 Views
  • 6 replies
  • 0 kudos

USB Gadget does not recognize disconnect

Hello,I'm kind of stuck with my STM32MP157C custom board. In general, everything works fine except for the USB. I'm using the new Ecosystem 5 and using the USB OTG with the NCM Ethernet gadget. My USB has no ID pin wired and is in peripheral mode all...

JSala.3 by Associate II
  • 1004 Views
  • 1 replies
  • 0 kudos