April 2026 monthly summary for zephyrproject-rtos/zephyr focused on stabilizing hardware support for the mr_canhubk3 board. Delivered a targeted pinmux header alignment to match hal_nxp changes, restoring proper functionality and compatibility. Commits delivering the change: 660ae1eeaceb7a1a2e1a3f3e97123ae84cb9ada3 - boards: mr_canhubk3: update pinmux header name. Updated pinmux header name to match hal_nxp changes. Signed-off-by: Dat Nguyen Duy <dat.nguyenduy@nxp.com>

February 2026 monthly summary for zephyrproject-rtos/zephyr focusing on code quality and standards compliance. No new feature deliveries this month; primary effort centered on a critical bug fix to enforce hex value casing in device trees, improving consistency, build reliability, and maintainability across boards.

2026-01 Monthly Summary: Delivered SPI and CANXL enablement for NXP S32K platforms across Zephyr and HAL, expanded board support, enhanced testing capabilities, and improved interrupt reliability. Key activities included device-tree SPI integration for S32K566 and S32K5XXCVB, SPI loopback test overlays for s32k5xxcvb, GIC-based interrupt handling optimization, CANXL driver and configuration work across HAL and Zephyr, CAN bus support on nxp_s32k5xx_mb, and a baud-rate safety fix via freeze mode. Impact: broader hardware coverage, accelerated feature delivery, improved testing rigor, and more reliable CAN/SPI operation for automotive-grade deployments.

December 2025: Delivered tangible value across Zephyr-enabled NXP/S32K platforms. Implemented configurable Erratum handling for S32K344 LPSPI, extended watchdog support across S32K5xx with DT nodes, samples, and tests; consolidated hardware support (baremetal drivers, MCUX integration, pinmux headers) for S32K5/S32K56x; fixed a critical PIT multi-instance IRQ bug; enabled S32K566 platform hardware via device-tree entries (STM, PIT, PWM, I2C, CAN, LPI2C, FlexCAN); and added board-level overlays and testing for S32K5XXCVB with CAN support. These changes improve platform reliability, accelerate customer integration, and strengthen test coverage across the stack.

November 2025 monthly summary for nrfconnect/sdk-zephyr focusing on NXP S32K566 bring-up and S32K5XX shield integration. Delivered initial NXP S32K566 MCU platform bring-up (M7 & R52) including clock management, pin control, GPIO, and UART, enabling porting and testability. Introduced an S32K5XX shield to enhance I/O connectivity and provide serial visualization for debugging. These work items extend hardware coverage, improve observability, and accelerate customer deployments.

Monthly summary for 2025-04 focused on stabilizing timer/test reliability in AmbiqMicro/ambiqzephyr. Delivered a targeted bug fix to correct countdown timer tick calculations in the test_valid_function_without_alarm case, strengthening the reliability of the counter driver's basic API tests and reducing flaky test outcomes. The change enables more robust CI feedback and safer release readiness.

February 2025 monthly summary for developer work in the hal_nxp repository, highlighting feature delivery, clock configuration work, and its impact on performance and reliability.

December 2024 monthly summary for telink-semi/zephyr. Resolved a Windows-specific Twister device testing issue by correcting a faulty conditional, ensuring device tests run on Windows with QEMU simulators. The fix eliminates skipped tests, stabilizes Windows CI, and increases cross-platform test coverage for Zephyr.

November 2024 — kholia/zephyr: Stabilized DMA MCUX EDMA v3 integration by correcting macro usage and register access. Implemented conditional macros based on CONFIG_DMA_MCUX_EDMA_V3 to ensure valid access to DMA_CSR_DREQ and EDMA_HW_TCD_CH_ACTIVE_MASK, aligning with EDMA v3 specifications and reducing hardware access errors. The change is implemented with the commit 65511eacf9d17bf22a6cf28c3ace467a86a159f5.

In Sep 2024, nxp-upstream/hal_nxp delivered foundational eMIOS PWM integration within the AUTOSAR framework, enhanced configurability via device-tree, and alignment patches to improve cross-component compatibility. The work focused on enabling PWM usage in the ICU/MCL context and establishing generation/configuration pipelines for eMIOS PWM/MCL/ICU, establishing a scalable foundation for PWM control on S32Z270-based platforms.