Concise monthly summary for 2026-03 (nxp-upstream/zephyr). This month focused on expanding hardware platform support for PIC32CX SG and CA90 devices, strengthening test coverage for SG41, and improving CI integration. Key work spanned driver and device-tree enhancements, board-level testing overlays, and CI pipeline reliability enhancements aimed at reducing validation time and accelerating bring-up for new boards.

February 2026 monthly summary: Delivered key hardware integration and device-tree enhancements for Microchip PIC32CM_PL family across two repositories, enabling broader hardware support, improved configurability, and faster time-to-market. Notable work includes HAL compatibility update for PIC32CM-PL DFP, GPIO pinctrl support for SAME5XD5X via device tree, and a full clock control subsystem with DT bindings, Kconfig symbol, clock driver, and per-board defaults.

January 2026 performance: Expanded Zephyr projects with broader Microchip MCU support and strengthened testing, delivering tangible business value through platform expansion and improved validation. Key features delivered include PIC32CM PL family support across device-tree, SoC initialization for RAM ECC, and initial Curiosity Nano board support for PIC32CM PL10. In parallel, testing coverage was extended with SAM E54 support in the counter driver tests, enabling broader hardware validation and reducing risk for future releases. Impact: More inclusive hardware support accelerates customer onboarding to Microchip MCUs, improves stability via proper RAM ECC initialization, and tightens feedback loops through enhanced test coverage. Demonstrated capabilities in device-tree modeling, SoC bring-up, memory initialization, board bring-up, and test automation across two repositories.

Month: 2025-12 | Summary of key work and impact across Zephyr and Microchip ports. Delivered core platform improvements, broadened hardware support, and enhanced testability with CI-ready changes. Highlights span device-tree bindings, timer/counter capabilities, watchesdog integration, and RTC/TC peripherals for Microchip platforms. This work strengthens reliability, reduces integration time for customers, and expands the Microchip footprint in Zephyr families.

November 2025 delivered end-to-end Microchip TCC/G1 PWM and timer/counter support (DTS/YAML bindings and core drivers) and expanded board support for PIC32CX SG41/SG61 Cult boards; added SAM E54 XPRO/Curiosity Ultra board support with CI-ready TCC tests; and introduced interrupt controller enhancements via an EIC driver integrated with the GPIO API. The work increases hardware compatibility, accelerates integration for Microchip-based platforms, and strengthens CI coverage for TCC G1 counters across multiple boards.

October 2025: Delivered core hardware enablement and clocking improvements for PIC32CX SG series across two repositories, aligning HAL versioning and stabilizing pinctrl/clock configurations to enable higher performance and reliable builds. The changes lay groundwork for future peripheral integrations and reduce configuration drift across platforms.

September 2025 performance summary for zephyr-testing. Delivered broad Microchip hardware support and PWM capabilities, enabling hardware-in-testing across PIC32CX SG SoCs and GPIOs. The work expanded hardware coverage, improved build/test reliability, and provides actionable platform capabilities for testing and integration teams.