STM32 MPUs Embedded software

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PWM backlight not working. Can you please check my device tree configuration? Backlight as a GPIO is working correctly, but when i try to use it as pwm, the pin line is always fixed to low.

Inside my .dts:This is my panel definition:panel { compatible = "newkoro,display","simple-panel"; //enable-gpios = <&gpioe 12 GPIO_ACTIVE_HIGH>; //reset-gpios = <&gpioe 11 GPIO_ACTIVE_HIGH>; backlight = <&backlight>; power-supply = <&...

Lmoio.1 by Senior
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Resolved! build and install Yocto kernel-modules package

Recompiling Linux kernel I have to rebuild the whole image because of kernel-modules, that are dependent on kernel version. After that I have to upload the whole image into STM development board via CubeMX Programmer which takes quiet a lot time. Ho...

mishuk by Associate III
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Resolved! SPI peripheral configuration help

Have been struggling to get SPI to work. I have been working in the engineering boot mode to try and trouble shoot my issues. I have configured PLL3 to run the MCU at 48MHz and the SPI peripheral kernel clk to run at 108MHz and selected the clock so...

Kernel modules packages

I am building softwares for my cutom board based on STM32MP1 using OpenSTLinux. I get lot of kernel-module-* packages installed in the rootfs. I found they are build because fragment-03-systemd.config is added to kernel config if systemd is used.Can ...

PGE by Associate III
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stm32mp1 sgtl5000 codec over i2s

Hi All,i am getting kernel soc sgtl5000.c errorsgtl5000 0-000a: Error reading chip id -6any idea where am i missing , let me know if you need any further inputs&i2c1 {   pinctrl-names = "default", "sleep";   pinctrl-0 = <&i2c1__pins_a>;   pinctrl-1 =...

Ara.1 by Senior
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