STM32 MPUs Products and hardware related

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Resolved! I'd like to output the PPS waveform on the STM32MP157D-EV1 board. But it's not outputting.

I found the pin of PG8 on the GPIO pin map on the board. So I connected to PG8 and GND to connect with oscilloscope.In the picture, the blue line is the oscilloscope's GND port.I connected the board and the oscilloscope like the picture above. And I ...

0693W00000aJSdSQAW.png 0693W00000aJSeGQAW.jpg 0693W00000aJSeaQAG.jpg
kKim.1 by Associate II
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Resolved! Can't get GPIOs to work

Hello, Using the stock image I've found I can manipulate the red LED on PA13 by using gpio commands:gpioset gpiochip0 13=0 gpioset gpiochip0 13=1I need to access Pin 38 and Pin 40 on the 40 pin header, which are PI6 and PF11.These are both tied to th...

How to remove "sound" from DTS?

I am trying to use the 40 pin GPIO, namely pin 48 and pin 40 which are PF11 and PI6. PI6 is assigned to sai2. I've disabled sai2. However, the DTB will not compile because there is still a reference to the sai2 pins here:sound:sound{ compatible = ...