softdevice_handler: Inform SoftDevice about HFCLK latency

This allows applications to choose a correct hfclk latency
depending on their crystal.

Signed-off-by: Herman Berget <herman.berget@nordicsemi.no>

Author: hermabe

doc/nrf-bm/release_notes/release_notes_changelog.rst

@@ -33,6 +33,7 @@ SoftDevice Handler
 ==================
 
 * Added the :kconfig:option:`NRF_SDH_CLOCK_HFINT_CALIBRATION_INTERVAL` Kconfig option to control the HFINT calibration interval.
+* Added the :kconfig:option:`NRF_SDH_CLOCK_HFCLK_LATENCY` Kconfig option to inform the SoftDevice about the ramp-up time of the high-frequency crystal oscillator.
 
 Boards
 ======

subsys/softdevice_handler/Kconfig

@@ -67,6 +67,11 @@ config NRF_SDH_CLOCK_HFINT_CALIBRATION_INTERVAL
 	range 1 255
 	default 60
 
+config NRF_SDH_CLOCK_HFCLK_LATENCY
+	int "Ramp-up time of the high-frequency crystal oscillator in microseconds"
+	range 0 $(UINT16_MAX)
+	default 1500
+
 if NRF_SDH_BLE
 
 config NRF_SDH_BLE_CONN_TAG

subsys/softdevice_handler/nrf_sdh.c

@@ -115,6 +115,7 @@ int nrf_sdh_enable_request(void)
 		.rc_ctiv = CONFIG_NRF_SDH_CLOCK_LF_RC_CTIV,
 		.rc_temp_ctiv = CONFIG_NRF_SDH_CLOCK_LF_RC_TEMP_CTIV,
 		.accuracy = CONFIG_NRF_SDH_CLOCK_LF_ACCURACY,
+		.hfclk_latency = CONFIG_NRF_SDH_CLOCK_HFCLK_LATENCY,
 		.hfint_ctiv = CONFIG_NRF_SDH_CLOCK_HFINT_CALIBRATION_INTERVAL,
 	};