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SChen.19
Associate II
since ‎2022-04-01
‎2023-06-14

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  • 7 Posts
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User Activity

How to use boot pin as gpio

2023-05-26
Hi, I use boot1 pin as gpio key function. The boot1 is PI5, and I configure it in kernel dts code. When the system boot up, the input event0 device is shows, but I use hexdump can not get any key code data. Currently, my board is boot from sdcard. gp...

ETH1 doesn't work on stm32mp135

2023-05-25
Hi, I designed a board with stm32mp135 and YT8531 phy chip. The ETH1 is not working and ETH2 is work good. They all output 125Mhz from phy to mac. But the ETH1 has reset dma failed. I had measure the 125Mhz is correct on phy side.Below is my dts code...

STM32MP157 mmc1 not switch into high speed mode

2022-04-01
Hi supporter, I have two boards, one is my custom board and another is dk2. Those boards are not support high speed of mmc1. The mmc2 is into high speed and has 50Mhz clock.Below is some info about mmc1 and mmc2 on dk2 board.root@stm32mp1:~# cat /sys...
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