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[nrf fromlist] drivers: clock_control: nrf: Add workaround for XO sta… #2513

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[nrf fromlist] drivers: clock_control: nrf: Add workaround for XO sta… #2513

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14 changes: 14 additions & 0 deletions drivers/clock_control/clock_control_nrf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,14 @@ LOG_MODULE_REGISTER(clock_control, CONFIG_CLOCK_CONTROL_LOG_LEVEL);
#define INF(dev, subsys, ...) CLOCK_LOG(INF, dev, subsys, __VA_ARGS__)
#define DBG(dev, subsys, ...) CLOCK_LOG(DBG, dev, subsys, __VA_ARGS__)

#if defined(NRF54L05_XXAA) || defined(NRF54L10_XXAA) || defined(NRF54L15_XXAA)
#if NRFX_RELEASE_VER_AT_LEAST(3, 11, 0)
#error "Remove workaround for XOSTART as it is already done in the nrfx clock"
#endif

#define USE_WORKAROUND_FOR_CLOCK_XOSTART_ANOMALY 1
#endif

/* Clock subsys structure */
struct nrf_clock_control_sub_data {
clock_control_cb_t cb;
Expand Down Expand Up @@ -235,6 +243,9 @@ static void hfclk_start(void)
hf_start_tstamp = k_uptime_get();
}

#ifdef USE_WORKAROUND_FOR_CLOCK_XOSTART_ANOMALY
nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_PLLSTART);
#endif
nrfx_clock_hfclk_start();
}

Expand All @@ -245,6 +256,9 @@ static void hfclk_stop(void)
}

nrfx_clock_hfclk_stop();
#ifdef USE_WORKAROUND_FOR_CLOCK_XOSTART_ANOMALY
nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_PLLSTOP);
#endif
}

#if NRF_CLOCK_HAS_HFCLK192M
Expand Down