Hardware Control of U-Boot Based on RK3576: Modification and Practice of Linux 6.1.84 Kernel Device Tree

Dec 18, 2025 · 11 min read · 1. Overview This article introduces a method to pull up the GPIO during the U-Boot stage on the Forlinx Embedded OK3576-C development board by modifying the kernel device tree. As a high-performance embedded platform based on the RK3576 processor, th...