STM32 MPUs Products

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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 : &ethernet0 { status = "okay"; pinctrl-0 = <&ethernet0_rgmii_pins_a>; pinctrl-1 = <&ethernet0_rgmii_pins_slee...

Jliu.21 by Associate II
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  • 3 replies
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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...

KSchu.4 by Associate
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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...

Jliu.21 by Associate II
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  • 3 replies
  • 0 kudos

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...

allard by Senior
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  • 1 replies
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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]...

Wjian.1 by Associate II
  • 604 Views
  • 1 replies
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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...

jandriea by Associate II
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  • 2 replies
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STM32MP157A-DK1 can't use I2C1 from Linux (Cortex A7)

Hello,I'm trying to connect some sensors to the I2C1 connectors of the STM32MP157A-DK1 and read datas from a linux application (Cortex A7). It doesn't works...But I successfully read data from the I2C5 connectors from the Cortex M4 processor.I used t...

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