In linux-6.15.68, in Documentation/devicetree/bindings/pci/rockchip-pcie-ep.txt, I see these explanations. (please see the marked line.) In the exa ...
In linux-6.15.68, in Documentation/devicetree/bindings/pci/rockchip-pcie-ep.txt, I see these explanations. (please see the marked line.) In the exa ...
I can't understand how the device tree information is used in a specific driver. This is a code snippet from linux-6.15.68 drivers/pci/controller/dwc/ ...
I have a ST7580 Power line communication modem connected to a BeagleBone Black device running Debian Linux, kernel v4.19. I am trying to communicate w ...
I'm running a buildroot linux environment on a STM32MP157 dev board. I have a button with an internal pullup on pin B12. I want to fire an interrupt o ...
I am trying to add a tlv320aic3110 codec to my project and I have been recommended adding these endpoints to the i2s and i2c attributes: The proble ...
I've got a Raspberry Pi CM4 (with eMMC) running an image built using Yocto. The CM4 is running on the official CMIO board. I want to use the official ...
I use libfdt and I have trouble to get right address-cell/size-cells values from reserved memory region node (leaf) into my device tree. fdt_address_c ...
When porting to a new Yocto Honister distro and the meta-xilinx metalayer xlnx-rel-v2022.1_update2, the base.dtbo device tree overlay is not generated ...
I am attempting to configure the PCIe x4 connection on my ROCKPro64 (RK3399 processor) development board to act as a PCIe endpoint device. My goal is ...
I have a arm64 linux custom board with a spi-to-can chip, and the chip sometime is mcp2515, sometime is mcp2518fd.But they use different driver (mcp25 ...
I Have Oreo Based Stock Rom And Its Relevant Device Tree. I Want To Build Latest Version Of Aosp Or LineageOs Then Why Do I Need To Port My Current De ...
I am a newbie to the embedded linux and device-tree world. I am trying to modify the device tree of ethernet phy from TI. I am interested to know what ...
I'm trying to understand how devicetrees work. According to the kernel documentation, they are used, in arm architecture, in the following manner: ...
I'm writing a UBoot driver for bitbanged NAND and need to add it to the device tree. Because this device is not on any bus and only references GPIO pi ...
Summary I want to write a simple Linux Kernel Module, which will initialize a GPIO from information it got from device tree. But currently my module ...
I'm trying to mux gpmc_ad9 pin in PWM mode through the device tree file: arch/arm/boot/dts/am335x-boneblack.dts However the debugfs still shows mo ...
Hello I want to record 8 channels from TIDA-01454 CMB into a Beaglebone AI. As the CMB is built with two PCM1864 ADCs and it is also a Beagle board, I ...
I have this LCD panel: LED panel's backlight is driven by the MIC2297 chip which takes two signals: BRT - PWM signal for setting brightness of ...
I am completely new to the devicetree. I am trying to connect my LCD panel (datasheet) to the Beaglebone Black's (BBB) expansion connector P8/P9 (BBB ...
I'd like to use the device tree to store some system level constants. Is it possible to store and retrieve arbitrary values from the device tree? At ...