General-Purpose Timers Driver for Hard Processor System¶
Last updated: July 11, 2024
Upstream Status: Upstreamed
Device Supported: Agilex 5 , Agilex 7
Introduction¶
The Hard Processor System (HPS) provides four 32-bit general-purpose timers connected to the level 4 (L4) peripheral bus. The timers optionally generate an interrupt when the 32-bit binary count-down timer reaches zero.
For more information please refer to the Intel Agilex 5 Hard Processor System Technical Reference Manual.
Driver Sources¶
The source code for this driver can be found at https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/clocksource/dw_apb_timer.c.
Driver Capabilities¶
- Supports interrupt generation
- Supports free-running mode
- Supports user-defined count mode
Kernel Configurations¶
CONFIG_DW_APB_TIMER
Device Tree¶
Example Device tree location:
Known Issues¶
None known
Notices & Disclaimers¶
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Created: May 25, 2024