STM32 MPUs Products and hardware related

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getting kernel panic on worker queue

hi getting following kernel on added code on irq with worker queuecancel_delayed_work(&stm32_port->port.test_dwq); queue_delayed_work(stm32_port->port.test_wq, &stm32_port->port.test_dwq, msecs_to_jiffies(1823));// 3.5T for 9600uname -aLinux mp1som 4...

Ara.1 by Senior
  • 541 Views
  • 1 replies
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/dev/watchdog is always busy.

I am using the STM32MP15-DK2 dev board and with a modified device tree to enable some peripherals. I would like to use /dev/watchdog to reset if ever my application hangs. But whenever I try to open the device I get Error opening watchdog device: Dev...

ASuar.1 by Associate III
  • 1900 Views
  • 3 replies
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SPI chip/slave select issue STM32MP157

I have troubles in setting the polarity of the SPI chip select i/o for an external chip.I noticed In the reference manual that it should be changeable with SPI configuration register 2 (SSIOP bit 28) :Bit 28 SSIOP: SS input/output polarity0: low leve...

Ronte.1 by Associate II
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  • 5 replies
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STPMIC1 PWR_USB_SW with 5V input

Dear all,We are designing a board using STM32MP1 and STPMIC1 mostly as recommended in datasheet and application note. As we have a wide VIN range we added a discrete DC/DC with a 5V output that supply STPMIC1 VIN.We would like to use STMPIC1 PWR_USB_...

PGE by Associate III
  • 982 Views
  • 6 replies
  • 0 kudos