
Cherrence Sarip developed and integrated device drivers for embedded systems, focusing on Zephyr OS and analogdevicesinc/no-OS repositories. Over four months, Cherrence delivered SPI register access and PWM driver support for MAX22216/MAX22217 devices in Zephyr, using C programming and aligning with Zephyr’s MFD and PWM driver patterns to ensure maintainability and hardware compatibility. In analogdevicesinc/no-OS, Cherrence implemented an LTC2378 ADC driver with Industrial I/O (IIO) integration, providing initialization, data conversion, and comprehensive documentation. The work emphasized robust technical writing, clear code ownership, and seamless hardware integration, enabling faster customer onboarding and reducing integration effort for supported devices.
This month delivered end-to-end LTC2378 ADC integration for analogdevicesinc/no-OS, featuring a complete driver with IIO support and an LTC2378-20 evaluation project. Added accompanying documentation to accelerate onboarding. The work strengthens hardware support, demonstrates IIO-based data paths, and provides ready-to-run examples for customers evaluating LTC2378.
This month delivered end-to-end LTC2378 ADC integration for analogdevicesinc/no-OS, featuring a complete driver with IIO support and an LTC2378-20 evaluation project. Added accompanying documentation to accelerate onboarding. The work strengthens hardware support, demonstrates IIO-based data paths, and provides ready-to-run examples for customers evaluating LTC2378.
April 2025 monthly summary: Key feature delivered: Device Support for MAX22216/MAX22217 via a new MISC driver in nxp-upstream/zephyr, enabling advanced functionality through the MFD parent. No major bugs fixed were recorded this month. Overall impact: expanded device coverage and consistency with Zephyr MFD patterns, improving time-to-market for MAX2221X-based designs. Technologies/skills demonstrated: kernel driver development, MISC driver pattern, MFD integration, code signing and contribution hygiene, cross-repo collaboration.
April 2025 monthly summary: Key feature delivered: Device Support for MAX22216/MAX22217 via a new MISC driver in nxp-upstream/zephyr, enabling advanced functionality through the MFD parent. No major bugs fixed were recorded this month. Overall impact: expanded device coverage and consistency with Zephyr MFD patterns, improving time-to-market for MAX2221X-based designs. Technologies/skills demonstrated: kernel driver development, MISC driver pattern, MFD integration, code signing and contribution hygiene, cross-repo collaboration.
March 2025 monthly summary for nxp-upstream/zephyr: Delivered MAX2221X PWM driver support integrated with the Zephyr PWM API to enable control of MAX22216/MAX22217 devices. No major bugs fixed this month. This work expands hardware support, improves interoperability via a standard PWM interface, and accelerates customer engineering timelines.
March 2025 monthly summary for nxp-upstream/zephyr: Delivered MAX2221X PWM driver support integrated with the Zephyr PWM API to enable control of MAX22216/MAX22217 devices. No major bugs fixed this month. This work expands hardware support, improves interoperability via a standard PWM interface, and accelerates customer engineering timelines.
February 2025 monthly summary for nxp-upstream/zephyr: Delivered MAX2221X SPI register access and device support in the MFD driver (read/write/update) for MAX22216/MAX22217, enabling SPI-based manipulation of device registers. This feature expansion enhances Zephyr hardware support and accelerates customer deployments; no major bugs fixed this month; maintained clear ownership and documentation for maintainability.
February 2025 monthly summary for nxp-upstream/zephyr: Delivered MAX2221X SPI register access and device support in the MFD driver (read/write/update) for MAX22216/MAX22217, enabling SPI-based manipulation of device registers. This feature expansion enhances Zephyr hardware support and accelerates customer deployments; no major bugs fixed this month; maintained clear ownership and documentation for maintainability.

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