cd20154bc7
Adds Kconfig option to configure the startup time of the external 32KHz crystal oscillator. Signed-off-by: Thomas Schranz <electronics@wandfluh.com>
43 lines
1.2 KiB
Text
43 lines
1.2 KiB
Text
# Copyright (c) 2019 ML!PA Consulting GmbH
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# SPDX-License-Identifier: Apache-2.0
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if SOC_SERIES_SAMD51 || SOC_SERIES_SAME51 || SOC_SERIES_SAME53 || SOC_SERIES_SAME54
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config SOC_ATMEL_SAMD5X_XOSC32K
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bool "The external 32 kHz crystal oscillator"
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help
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Say y to enable the external 32 kHZ crystal oscillator at
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startup. This can then be selected as the main clock source
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for the SOC.
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config SOC_ATMEL_SAMD5X_XOSC32K_STARTUP
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depends on SOC_ATMEL_SAMD5X_XOSC32K
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hex "Startup time external 32 kHz crystal oscillator"
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range 0x0 0x6
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default 0x1
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help
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Selects the startup time for the external 32 kHz crystal oscillator.
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choice
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prompt "Main clock source"
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default SOC_ATMEL_SAMD5X_DEFAULT_AS_MAIN
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help
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Selects the clock that the main clocks, such as the CPU
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clock and AHB clock, will be derived from.
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config SOC_ATMEL_SAMD5X_DEFAULT_AS_MAIN
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bool "DEFAULT"
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help
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This choice will leave all clocks to their current state.
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This can be the default reset state or a state set by a bootloader.
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config SOC_ATMEL_SAMD5X_XOSC32K_AS_MAIN
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depends on SOC_ATMEL_SAMD5X_XOSC32K
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bool "XOSC32K"
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config SOC_ATMEL_SAMD5X_OSCULP32K_AS_MAIN
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bool "OSCULP32K"
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endchoice
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endif
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