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nordic: grtc: add clear at init #89664

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nordic: grtc: add clear at init #89664

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modules: hal_nordic: nrfx: Add GRTC clear at init feature
adamkondraciuk May 8, 2025
4c7866b
drivers: timer: nrf_grtc_timer: Add GRTC clear at init feature
adamkondraciuk May 8, 2025
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5 changes: 5 additions & 0 deletions drivers/timer/Kconfig.nrf_grtc
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,11 @@ config NRF_GRTC_ALWAYS_ON
help
Always keep the SYSCOUNTER active even if the CPU is in sleep mode.

config NRF_GRTC_CLEAR_AT_INIT
bool "Clear the GRTC on driver init."
help
Clear the GRTC counter on initialization.
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Since in #89147 (comment) you say that clearing the GRTC is not something we want to do, this should probably mention the consequences of doing so.

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@adamkondraciuk could you follow-up on this review comment?


config NRF_GRTC_TIMER_APP_DEFINED_INIT
bool "Application defines GRTC initialization"
help
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3 changes: 3 additions & 0 deletions modules/hal_nordic/nrfx/nrfx_kconfig.h
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Expand Up @@ -182,6 +182,9 @@
#ifdef CONFIG_NRF_GRTC_START_SYSCOUNTER
#define NRFX_GRTC_CONFIG_AUTOSTART 1
#endif
#ifdef CONFIG_NRF_GRTC_CLEAR_AT_INIT
#define NRFX_GRTC_CONFIG_CLEAR_AT_INIT 1
#endif

#ifdef CONFIG_NRFX_GPIOTE
#define NRFX_GPIOTE_ENABLED 1
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