michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: timer: nrf_grtc_timer: Add frequency parameter for K32SRC

Browse source 
Add frequency value for LFCLK sources to be used when `lfxo` node
is not present.

Signed-off-by: Adam Kondraciuk <adam.kondraciuk@nordicsemi.no>
This commit is contained in:
Adam Kondraciuk 2025-05-08 15:55:43 +02:00 • committed by Benjamin Cabé
commit a280fbf9fb
1 changed files with 6 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/timer/nrf_grtc_timer.c
View file

@ -54,7 +54,11 @@
#define MAX_CYCLES (MAX_TICKS * CYC_PER_TICK)
#if DT_NODE_HAS_STATUS_OKAY(LFCLK_NODE)
#define LFCLK_FREQUENCY_HZ DT_PROP(LFCLK_NODE, clock_frequency)
#else
#define LFCLK_FREQUENCY_HZ CONFIG_CLOCK_CONTROL_NRF_K32SRC_FREQUENCY
#endif
#if defined(CONFIG_TEST)
const int32_t z_sys_timer_irq_for_test = DT_IRQN(GRTC_NODE);
@ -414,8 +418,8 @@ int z_nrf_grtc_wakeup_prepare(uint64_t wake_time_us)
/* This mechanism ensures that stored CC value is latched. */
uint32_t wait_time =
nrfy_grtc_timeout_get(NRF_GRTC) * CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC / 32768 +
MAX_CC_LATCH_WAIT_TIME_US;
nrfy_grtc_timeout_get(NRF_GRTC) * CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC /
LFCLK_FREQUENCY_HZ + MAX_CC_LATCH_WAIT_TIME_US;
k_busy_wait(wait_time);
k_spin_unlock(&lock, key);
return 0;