# Kconfig - Clock controller driver configuration options
#
# Copyright (c) 2016 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: Apache-2.0

config CLOCK_CONTROL_NRF_FORCE_ALT
	bool
	depends on SOC_COMPATIBLE_NRF
	help
	  This option can be enabled to force an alternative implementation
	  of the clock control driver.

if !CLOCK_CONTROL_NRF_FORCE_ALT

menuconfig CLOCK_CONTROL_NRF
	bool "NRF Clock controller support"
	depends on SOC_COMPATIBLE_NRF
	default y
	help
	  Enable support for the Nordic Semiconductor nRFxx series SoC clock
	  driver.

if CLOCK_CONTROL_NRF

choice CLOCK_CONTROL_NRF_SOURCE
	prompt "32KHz clock source"
	default CLOCK_CONTROL_NRF_K32SRC_XTAL

config CLOCK_CONTROL_NRF_K32SRC_RC
	bool "RC Oscillator"

config CLOCK_CONTROL_NRF_K32SRC_XTAL
	bool "Crystal Oscillator"

config CLOCK_CONTROL_NRF_K32SRC_SYNTH
	depends on !SOC_SERIES_NRF91X
	bool "Synthesized from HFCLK"

config CLOCK_CONTROL_NRF_K32SRC_EXT_LOW_SWING
	depends on SOC_SERIES_NRF52X
	bool "External low swing"

config CLOCK_CONTROL_NRF_K32SRC_EXT_FULL_SWING
	depends on SOC_SERIES_NRF52X
	bool "External full swing"

endchoice

config CLOCK_CONTROL_NRF_K32SRC_BLOCKING
	bool "Blocking 32KHz crystal oscillator startup"
	depends on CLOCK_CONTROL_NRF_K32SRC_XTAL
	help
	  Clock control driver will spin wait in CPU sleep until 32KHz
	  crystal oscillator starts up. If not enabled, RC oscillator will
	  initially start running and automatically switch to crystal when
	  ready.

choice CLOCK_CONTROL_NRF_ACCURACY
	prompt "32KHz clock accuracy"
	default CLOCK_CONTROL_NRF_K32SRC_500PPM if CLOCK_CONTROL_NRF_K32SRC_RC
	default CLOCK_CONTROL_NRF_K32SRC_20PPM

config CLOCK_CONTROL_NRF_K32SRC_500PPM
	bool "251 ppm to 500 ppm"

config CLOCK_CONTROL_NRF_K32SRC_250PPM
	bool "151 ppm to 250 ppm"

config CLOCK_CONTROL_NRF_K32SRC_150PPM
	bool "101 ppm to 150 ppm"

config CLOCK_CONTROL_NRF_K32SRC_100PPM
	bool "76 ppm to 100 ppm"

config CLOCK_CONTROL_NRF_K32SRC_75PPM
	bool "51 ppm to 75 ppm"

config CLOCK_CONTROL_NRF_K32SRC_50PPM
	bool "31 ppm to 50 ppm"

config CLOCK_CONTROL_NRF_K32SRC_30PPM
	bool "21 ppm to 30 ppm"

config CLOCK_CONTROL_NRF_K32SRC_20PPM
	bool "0 ppm to 20 ppm"

endchoice

endif # CLOCK_CONTROL_NRF

endif #!CLOCK_CONTROL_NRF_FORCE_ALT