93 lines
2.2 KiB
Plaintext
93 lines
2.2 KiB
Plaintext
# Kconfig - Clock controller driver configuration options
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#
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# Copyright (c) 2016 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: Apache-2.0
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config CLOCK_CONTROL_NRF_FORCE_ALT
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bool
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depends on SOC_COMPATIBLE_NRF
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help
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This option can be enabled to force an alternative implementation
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of the clock control driver.
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if !CLOCK_CONTROL_NRF_FORCE_ALT
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menuconfig CLOCK_CONTROL_NRF
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bool "NRF Clock controller support"
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depends on SOC_COMPATIBLE_NRF
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default y
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help
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Enable support for the Nordic Semiconductor nRFxx series SoC clock
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driver.
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if CLOCK_CONTROL_NRF
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choice CLOCK_CONTROL_NRF_SOURCE
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prompt "32KHz clock source"
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default CLOCK_CONTROL_NRF_K32SRC_XTAL
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config CLOCK_CONTROL_NRF_K32SRC_RC
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bool "RC Oscillator"
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config CLOCK_CONTROL_NRF_K32SRC_XTAL
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bool "Crystal Oscillator"
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config CLOCK_CONTROL_NRF_K32SRC_SYNTH
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depends on !SOC_SERIES_NRF91X
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bool "Synthesized from HFCLK"
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config CLOCK_CONTROL_NRF_K32SRC_EXT_LOW_SWING
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depends on SOC_SERIES_NRF52X
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bool "External low swing"
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config CLOCK_CONTROL_NRF_K32SRC_EXT_FULL_SWING
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depends on SOC_SERIES_NRF52X
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bool "External full swing"
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endchoice
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config CLOCK_CONTROL_NRF_K32SRC_BLOCKING
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bool "Blocking 32KHz crystal oscillator startup"
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depends on CLOCK_CONTROL_NRF_K32SRC_XTAL
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help
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Clock control driver will spin wait in CPU sleep until 32KHz
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crystal oscillator starts up. If not enabled, RC oscillator will
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initially start running and automatically switch to crystal when
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ready.
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choice CLOCK_CONTROL_NRF_ACCURACY
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prompt "32KHz clock accuracy"
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default CLOCK_CONTROL_NRF_K32SRC_500PPM if CLOCK_CONTROL_NRF_K32SRC_RC
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default CLOCK_CONTROL_NRF_K32SRC_20PPM
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config CLOCK_CONTROL_NRF_K32SRC_500PPM
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bool "251 ppm to 500 ppm"
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config CLOCK_CONTROL_NRF_K32SRC_250PPM
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bool "151 ppm to 250 ppm"
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config CLOCK_CONTROL_NRF_K32SRC_150PPM
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bool "101 ppm to 150 ppm"
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config CLOCK_CONTROL_NRF_K32SRC_100PPM
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bool "76 ppm to 100 ppm"
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config CLOCK_CONTROL_NRF_K32SRC_75PPM
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bool "51 ppm to 75 ppm"
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config CLOCK_CONTROL_NRF_K32SRC_50PPM
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bool "31 ppm to 50 ppm"
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config CLOCK_CONTROL_NRF_K32SRC_30PPM
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bool "21 ppm to 30 ppm"
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config CLOCK_CONTROL_NRF_K32SRC_20PPM
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bool "0 ppm to 20 ppm"
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endchoice
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endif # CLOCK_CONTROL_NRF
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endif #!CLOCK_CONTROL_NRF_FORCE_ALT
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