STM32 MPUs Products and hardware related
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Forum Posts
Free Linux Device Tree Webinar !
Hi STM32MPU's fan ! Join this webinar to learn more about the Device Tree from A to Z, and move forward your next embedded Linux project!https://www.st.com/content/st_com/en/about/events/events.html/st-bootlin-linux-device-tree-101.html
How to install PPP on stm32MP1-DK2
Hy, I'm following all the wiki on stm32MP1-DK2 , I wan't to install PPP on it but like other things (htop for example) seems to be not available, maybe a stupid question but an answer will be appreciated,this is the log:apt-get install pppreading pac...
STM32MP157 mdio can not get ethernet phy
the kernel log is : mdio_bus stmmac-0: MDIO device at address 7 is missing.phy chip is : ksz9031mpu is : stm32mp157cac3my dts config is : ðernet0 { status = "okay"; pinctrl-0 = <ðernet0_rgmii_pins_a>; pinctrl-1 = <ðernet0_rgmii_pins_slee...
Unable to change the CPU frequency on a STM32MP157C-DK2
Hi all,I'm currently trying to change the CPU frequency of my STM32MP157C-DK2. - Without success...Here is what I've done.Change 'stm32mp15xa.dtsi' for Kernel and TF-Adiff --git a/arch/arm/boot/dts/stm32mp15xa.dtsi b/arch/arm/boot/dts/stm32mp15xa.dts...
Resolved! How to make a SD-Card which is used to boot the system.
I have a question,I have no any USB-OTG interface can be used to help me burning and I can only use SD card to run my board. How can I make this SD-Card work only on linux command lines for example "dd" and so on. I have made tf-a uboot kernel(image...
Resolved! Getting eMMC to boot
I’m having some trouble getting u-boot to boot from eMMC. I’ve evaluated my system using the DK2(using SDCARD) and i’m now porting to a custom board. The custom board contains a STM32MP157CAB and a eMCC connected at sdmmc2.My u-boot devicetree(stm32m...
How to disable sdmmc1
Hi:When I do not enable sdmmc1 in the device tree , a null pointer error will appear, as follows: Unable to handle kernel NULL pointer dereference at virtual address 00000020[ 4.406546] pgd = b1eff48d[ 4.409244] [00000020] *pgd=00000000[ 4.412826]...
Activate USB OTG with PA11 PA12 with DK2 possible?
Hi,for our testing i want to activate the fullspeed OTG on the Pins PA11,PA12. VBUS_OTG is not routet out the Chip on the DK2. Is it possbile to use the FS phy on PA11/PA12 on the DK2 board?Best regards,Niklas
Resolved! Passive tamper detection at PC1 pin in STM32MP151
I am using 2 passive tamper detection in my board that is routed to PC1 (TAMP_IN3) and PC13 (TAMP_IN1) and I want to handle both tamper pins events in linux userspace. I have achieved my goal by adding small code at plat_setup and disabling tamper in...
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