STM32 MPUs Products

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How to reduce CPU clock frequency on STM32MP157C?

Hi,I'm interested how to change CPU frequency from 650MHz to lower frequency. I looked those two links:https://wiki.st.com/stm32mpu/wiki/How_to_change_the_CPU_frequencyhttps://wiki.st.com/stm32mpu/wiki/Clock_device_tree_configuration_-_Bootloader_spe...

NGajic by Associate III
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  • 5 replies
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Resolved! RPMSG SDB cached buffer

We follow this: https://wiki.st.com/stm32mpu/wiki/How_to_exchange_large_data_buffers_with_the_coprocessor_-_principle and this: https://wiki.st.com/stm32mpu/wiki/How_to_exchange_large_data_buffers_with_the_coprocessor_-_example#Linux_driversarticles...

mishuk by Associate III
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  • 4 replies
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Resolved! STM32MP1waking from Standby by WAKE UP pins

Hello everyone!I’ve tested wake up from standby mode with Wake up pins PI11 (and PI8). But it is not work I have remove all definitions about wake up pins in dts except place where it defines as wake up pins in stm32mp151.dtsi Entering in standby mod...

AKudr.1 by Associate II
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  • 2 replies
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Resolved! Cannot use GPU on a custom board.

We boot up the odyssey Stm32mp157c board with distribution package. While booting the display is working but when i try to run qt examples it gives core dump error. Also there is no connector or encoder in the output of modetest. I could't figure out...

EKIRT.1 by Associate II
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  • 7 replies
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Resolved! barebox I2C4 access

Hello,we try to access the I2C4-Bus under barebox, we use:CPU: STM32MP151CAA Rev.ZTF-A: v2.4-r1.0-nofip(release):b5d0088b9-dirtybarebox: barebox 2021.04.0-02204-gaa9b7b34b8e-dirtyIn the TF-A the I2C4 is unlocked by: DECPROT(STM32MP1_ETZPC_I2C4_ID, DE...

RGlie.1 by Associate II
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  • 4 replies
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How to modify device tree in a Distribution Package

Hello , On Page : https://wiki.st.com/stm32mpu/wiki/How_to_customize_the_Linux_kernel cd <build dir>/workspace/sources/<name of kernel recipe>/PC $> git format-patch -2Is this correct?I can find the source inside the build/tmp-glibc/work/....and not ...

darla14 by Senior
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  • 2 replies
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