flipperdevices/u-boot
Feb 2025 – Jun 2025
3 Months active
Languages Used
C
Technical Skills
Device TreeDriver DevelopmentEmbedded SystemsKernel DevelopmentPower ManagementDevice Drivers
Rui Miguel Silva
PROFILE
Rui Miguel Silva
Worked on the flipperdevices/u-boot repository to deliver hardware support and stability improvements for Qualcomm platforms over three months. Developed and integrated a Qualcomm USB VBUS regulator driver, enabling reliable power delivery and variant-aware handling for different PMICs, particularly the pm8x50b. Addressed a device-tree parsing bug by correcting string property length calculations, improving driver stability. Added USB3 NoC clock support for the sm8650, coordinating clock management and enhancing error handling for missing clocks. Demonstrated expertise in C, embedded systems, and kernel development, with a focus on device drivers, power management, and cohesive, review-friendly commit practices throughout the project.
Overall Statistics
Feature vs Bugs
75%Features
Repository Contributions
4Total
Bugs
1
Commits
4
Features
3
Lines of code
161
Activity Months3
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Aniket LimayeMember
Aparna PatraMember
Aashvij ShenaiMember
Alexander DahlMember
Work History
June 2025
1 Commits • 1 Features
Jun 1, 20252025-06 Monthly Summary for flipperdevices/u-boot. Key feature delivered: USB3 NoC Clock Support for the sm8650 Clock Pool, adding GCC_CFG_NOC_USB3_PRIM_AXI_CLK to properly manage and utilize the USB3 NoC clock. Major bugs fixed: enhanced error handling for missing clocks to improve stability in USB3 clock paths (follow-up to prior improvements). Overall impact: improved hardware compatibility and reliability for USB3 on sm8650, reducing clock-related boot and peripheral issues. Technologies/skills demonstrated: Linux kernel clock framework integration, QCOM sm8650 clock driver work, u-boot changes, commit-based development, and hardware clock domain coordination.
1 Commits • 1 Features
Jun 1, 20252025-06 Monthly Summary for flipperdevices/u-boot. Key feature delivered: USB3 NoC Clock Support for the sm8650 Clock Pool, adding GCC_CFG_NOC_USB3_PRIM_AXI_CLK to properly manage and utilize the USB3 NoC clock. Major bugs fixed: enhanced error handling for missing clocks to improve stability in USB3 clock paths (follow-up to prior improvements). Overall impact: improved hardware compatibility and reliability for USB3 on sm8650, reducing clock-related boot and peripheral issues. Technologies/skills demonstrated: Linux kernel clock framework integration, QCOM sm8650 clock driver work, u-boot changes, commit-based development, and hardware clock domain coordination.
June 2025
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary focused on delivering hardware compatibility enhancements and stabilizing QCOM VBUS regulator handling in the u-boot repo. Implemented variant-aware support for the qcom_vbus_regulator to ensure correct operation across Qualcomm PMIC variants, with emphasis on the pm8x50b variant. Consolidated changes across register offsets and adjusted probe and enable/disable flows to reflect variant-specific behavior. Prepared groundwork for broader PMIC variant coverage and improved power-management reliability for devices.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary focused on delivering hardware compatibility enhancements and stabilizing QCOM VBUS regulator handling in the u-boot repo. Implemented variant-aware support for the qcom_vbus_regulator to ensure correct operation across Qualcomm PMIC variants, with emphasis on the pm8x50b variant. Consolidated changes across register offsets and adjusted probe and enable/disable flows to reflect variant-specific behavior. Prepared groundwork for broader PMIC variant coverage and improved power-management reliability for devices.
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for the flipperdevices/u-boot workstream. Focused on delivering critical hardware support improvements for Qualcomm platforms and addressing a key device-tree parsing bug impacting driver stability.
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for the flipperdevices/u-boot workstream. Focused on delivering critical hardware support improvements for Qualcomm platforms and addressing a key device-tree parsing bug impacting driver stability.
February 2025
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
Device DriversDevice TreeDriver DevelopmentEmbedded SystemsKernel DevelopmentPower Management
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