Forum Posts
STANDBY exit TF-A error STM32MP157
My board with stm32mp157 wakes up from CSTOP with UART wake source, but cannot wakes with RTC or WAKEUP PINs from STANDBY. TF-A outputs strange errors at the end:ERROR: Illegal access to 0xe0000000 in :ERROR: Non-SecureERROR: PrivilegeERROR...
How to map peripheral memory on stm32mp157c
I'm developing an IoT device for a customer and I have an external Bluetooth SoC connected to the ST's MCU via UART. The BT SoC shares its UART Tx pin with reset functionality so I need to develop a driver to momentarily turn the UART to GPIO mode to...
Resolved! How do I create the STM32MP157AAA custom board Device Tree via CubeMx?
HelloI'm going to create and flash my custom board with CubeMx. But I don't know how to modify the dtb file.Can you give me a link or a way to get the right help?
Resolved! Dual Display Support
Hi,Is STM32MP1 is able to drive two displays at once , one via DSI and another via RGB is it possible? Following are the combinations :RGB to HDMI ---- to drive HDMI display.DSI to HDMI ----- to drive HDMI display.RGB to LVDS ----- to Drive LVDS disp...
How to control a GPIO in TF-A ?
I want to control a GPIO before u-boot, so how to control in TF-A?
Minimal OpenSTLinux
We are building a custom embedded system based on STM32MP1 using customised OpenSTLinux. We are currently using the st-image-core as a starting point but we found it already heavy.Is there any option or other images providing a smaller image ?Also h...
Resolved! OpenSTLinux remove wifi and bluetooth support
We are using OpenSTLinux to generate a custom image for our custom board. This board has no wifi nor bluetooth so we would like to remove it's support.Our machine conf file is based on stm32mp1-eval.conf with the following edition (commenting wifi an...
Location of generated dtb file.
Hi,I am trying to develop something around the STM32MP1.For that I have made some changes in the dts file via cubeMx and followed the process of building it given here.What is the location where the dtb file generated ? My arch/arm/boot/dts folder lo...
STM32mp1 pin mux in kernel dts
currently i have a pin <STM32_PINMUX('F', 14, GPIO)> how to mux as a GPIO before using as a gpiolib, export work fine, but i2c4 is not working but i can see GPIO is getting based on sys gpiolib. as before export i see PF14 line is muxed as pin 94 (P...
