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2 posts

LinuxDeep Dive October 4, 2026 7 min read

Linux NVMEM Cells and Layouts: Read Calibration Data Without Guessing

Trace Linux NVMEM providers, named cells, layouts, and consumer APIs while preserving offsets, units, permissions, and irreversible-write safety.

#linux#nvmem#embedded

LinuxDeep Dive October 4, 2026 7 min read

Diagnose Linux pinctrl by mapping pads to functions, inspecting default and sleep states, and separating GPIO ownership from electrical muxing.

#linux#pinctrl#device-tree