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[nrf fromlist] modules: hal_nordic: nrf_802154: use timer to emit hfc… #2885

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Merged
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May 22, 2025
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[nrf fromlist] modules: hal_nordic: nrf_802154: use timer to emit hfc… #2885

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22 changes: 22 additions & 0 deletions modules/hal_nordic/nrf_802154/sl_opensource/platform/nrf_802154_clock_zephyr.c
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,19 @@
}

#if defined(CONFIG_CLOCK_CONTROL_NRF)

#if defined(NRF54LM20A_ENGA_XXAA)
/* HF clock time to ramp-up. */
#define MAX_HFXO_RAMP_UP_TIME_US 550

static void hfclk_started_timer_handler(struct k_timer *dummy)
{
hfclk_on_callback(NULL, NULL, 0, 0);
}

K_TIMER_DEFINE(hfclk_started_timer, hfclk_started_timer_handler, NULL);
#endif

void nrf_802154_clock_hfclk_start(void)
{
struct onoff_manager *mgr =
Expand All @@ -64,7 +77,16 @@
int ret = onoff_request(mgr, &hfclk_cli);
__ASSERT_NO_MSG(ret >= 0);
(void)ret;

#if defined(NRF54LM20A_ENGA_XXAA)
/*
* Right now, the power_clock_irq is not available on nRF54LM20A.
* Since the onoff mechanism relies on the irq, the timer is used
* to emit the hfclk_ready callback.
*/
k_timer_start(&hfclk_started_timer, K_USEC(MAX_HFXO_RAMP_UP_TIME_US), K_NO_WAIT);
#endif
}

Check notice on line 89 in modules/hal_nordic/nrf_802154/sl_opensource/platform/nrf_802154_clock_zephyr.c

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modules/hal_nordic/nrf_802154/sl_opensource/platform/nrf_802154_clock_zephyr.c:89 
-	#if defined(NRF54LM20A_ENGA_XXAA)
-		/*
-		 * Right now, the power_clock_irq is not available on nRF54LM20A.
-		 * Since the onoff mechanism relies on the irq, the timer is used
-		 * to emit the hfclk_ready callback.
-		 */
-		k_timer_start(&hfclk_started_timer, K_USEC(MAX_HFXO_RAMP_UP_TIME_US), K_NO_WAIT);
-	#endif
+#if defined(NRF54LM20A_ENGA_XXAA)
+	/*
+	 * Right now, the power_clock_irq is not available on nRF54LM20A.
+	 * Since the onoff mechanism relies on the irq, the timer is used
+	 * to emit the hfclk_ready callback.
+	 */
+	k_timer_start(&hfclk_started_timer, K_USEC(MAX_HFXO_RAMP_UP_TIME_US), K_NO_WAIT);
+#endif

void nrf_802154_clock_hfclk_stop(void)
{
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