[nrf noup] boot: zephyr: nrf_cleanup HFCLK

michalek-no · michalek-no · commit 38ef93980282 · 2026-05-08T14:59:28.000+02:00
turn off PLL and HFXO at cleanup

Signed-off-by: Mateusz Michalek &lt;mateusz.michalek@nordicsemi.no&gt;
diff --git a/boot/zephyr/nrf_cleanup.c b/boot/zephyr/nrf_cleanup.c
@@ -116,6 +116,10 @@ static NRF_UARTE_Type *nrf_uarte_to_clean[] = {
 #if defined(CONFIG_NRFX_CLOCK)
 static void nrf_cleanup_clock(void)
 {
+    nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_HFCLKSTOP);
+#if NRF_CLOCK_HAS_PLL
+    nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_PLLSTOP);
+#endif
     nrf_clock_int_disable(NRF_CLOCK, 0xFFFFFFFF);
 }
 #endif

Original file line number	Diff line number	Diff line change
`@@ -116,6 +116,10 @@ static NRF_UARTE_Type *nrf_uarte_to_clean[] = {`
`116`	`116`	`#if defined(CONFIG_NRFX_CLOCK)`
`117`	`117`	`static void nrf_cleanup_clock(void)`
`118`	`118`	`{`
	`119`	`+ nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_HFCLKSTOP);`
	`120`	`+#if NRF_CLOCK_HAS_PLL`
	`121`	`+ nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_PLLSTOP);`
	`122`	`+#endif`
`119`	`123`	`nrf_clock_int_disable(NRF_CLOCK, 0xFFFFFFFF);`
`120`	`124`	`}`
`121`	`125`	`#endif`