Device-Tree

I2S audio output with a Raspberry Pi Zero W and AD SSM2518 DAC (PMOD AMP3)

Demonstrates configuring Linux & ALSA on a Raspberry Pi Zero W to output audio via I2S to a Digilent PMOD AMP3

Using device tree overlays with Linux/Petalinux

This post will show you how to use device tree overlays in Linux, and discusses Petalinux-specific configuration requirements and bugs....

Creating device tree overlays

This post provides an example of how you can create a device tree overlay .dtbo file. Once you've created the dtbo file, read "Using...

Quickly Try devicetree and Root Filesystem Changes from a Xilinx PetaLinux Built image.ub

This post shows how to get the Linux kernel, Flattened Device Tree blob, petalinux-user-image from an image.ub built by PetaLinux. Then...

Set bootargs in a PetaLinux 2019.1 Build

This post shows how PetaLinux Tools 2019.1 lays out device tree files and how to edit bootargs. Assumptions You've installed PetaLinux...

Build an Environment to Debug Device Tree Generation

This is a quick post that lists all of the commands to set up an environment to debug device tree generation. Versions Used Vivado...