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johnnyc
Associate III
since ‎2022-04-28
‎2023-07-12

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  • 17 Posts
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User Activity

When will STM32CubeMX generate valid device tree for v2.8 TF-A?

2023-07-04
Apparently in v2.8 TF-A the RCC device tree block changed significantly for the STM32MP157CAAx board as this commit shows:https://github.com/STMicroelectronics/arm-trusted-firmware/commit/3cf2edd6b87ca5c131108c533761d26cb0539d5eSo old device trees fr...

IWDG not able to trigger reset in U-Boot/Kernel

2023-03-09
On an STM32MP157C the IWDG is setup correctly, but when I trigger an endless loop in U-Boot or a panic in the Kernel, after the timeout the reset does not work. All I know is that the debugger shows a Vector catch. In OPTEE OS the reset works. Is thi...

Longtime kernel support roadmap for STM32MP1

2023-02-08
The Linux Kernel maintainers have just updated the longterm release kernels: https://www.kernel.org/category/releases.htmlCould someone from ST please give an information about which kernel version for STM32MP1 will be supported in the future until 2...

Would it be possible to easily switch dr_mode via sysfs?

2023-02-01
Suppose I would implement a sysfs interface that enables me to set the dr_mode of the dwc2 driver. Is it possible without huge changes in the code, to change the dr_mode on the fly via userspace? We might use the usb-role-switch functionality of the ...

How to enable/disable pwr_sw1 and pwr_sw1 via sysfs?

2023-01-18
We need to enable/disable pwr_sw1 and pwr_sw1 preferably via sysfs:vdd_usb_sw: pwr_sw1 { regulator-name = "vdd_usb_sw"; };   vdd_sd_sw: pwr_sw2 { regulator-name = "vdd_sd_sw"; regulator-always-on; regulator-boot-on; regulator-acti...
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