STM32 MPUs Embedded software and solutions

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PHYTEC STM32MP135 LCD PANEL DTS

Hello everyone,I am using the STM32MP135 SoM from PHYTEC, and I’m creating a custom device tree source (DTS) file tailored to our carrier board. I’m having trouble controlling the backlight PWM signal. I’m unable to enable the PWM and enable signal a...

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STM32MP135 NO BACKLIGHT

Hi Everyone,I have problem with custom carrier and dts. I am using MP135 SoM from PHYTEC and when I add panel backlight property to the panel node, there is no pwm output, but when I comment out this feature from the panel node, the panel backlight w...

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","simp...

Lmoio.1 by Senior
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stpmic1-regulator warnings

Hey there,I have a custom stm32mp153c based board. I adapted bootloaders/optee/kernel from scarthgap branch of meta-st-stm32mp and have everything booting (tf-a 2.8, u-boot 2022.10, optee 3.19, kernel 6.1.28). The only remaining warnings I have are t...

UVV by Associate III
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SAI in the linux kernel source code, how the two submodules can be received at the same time.

linux内核源码当中的SAI,两个子模块如何同时进行接收,一般正点的sda用于发送,SDB用于接收Translated to Englishlinux kernel source code among the SAI, how the two submodules at the same time to receive, the general positive point of the sda is used to send, SDB is used to receive

Poppy by Associate
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