85 lines
2.0 KiB
Plaintext
85 lines
2.0 KiB
Plaintext
# 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"
|
|
|
|
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
|