Controlling GPIO Inputs and Outputs in Zynq-7000 Linux Kernel Modules
Kernel Space GPIO ManipulationFor the FMQL45T900 platform based on the Zynq-7000 architecture, controlling pins from the kernel space requires determining the correct GPIO index. When utilizing EMIO5 exported from Vivado, the corresponding system GPIO number calculates to 431. The device tree mapping for this pin appears as <&portc 5 0x0 ...
Posted on Wed, 09 Sep 2026 16:05:36 +0000 by Bike Racer