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modules: hal_nordic: nrf_802154: emit hfclk_ready with timer on nRF54LM20A

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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.

Signed-off-by: Piotr Koziar <piotr.koziar@nordicsemi.no>
This commit is contained in:
Piotr Koziar 2025-05-16 22:41:27 +02:00 committed by Benjamin Cabé
parent fd3cc9b19f
commit 3c050cfcfd
1 changed files with 22 additions and 0 deletions
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22
modules/hal_nordic/nrf_802154/sl_opensource/platform/nrf_802154_clock_zephyr.c
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@ -44,6 +44,19 @@ static void hfclk_on_callback(struct onoff_manager *mgr,
}
#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 =
@ -64,6 +77,15 @@ void nrf_802154_clock_hfclk_start(void)
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
}
void nrf_802154_clock_hfclk_stop(void)