| # SPDX-License-Identifier: Apache-2.0 |
| |
| if SOC_SERIES_SAMD20 || SOC_SERIES_SAMD21 || SOC_SERIES_SAMR21 |
| |
| config SOC_ATMEL_SAMD_NVM_WAIT_STATES |
| int "NVM wait states" |
| default 1 |
| help |
| Wait states to set for NVM. Consult the datasheet as these are highly |
| dependent on the device operationg conditions. |
| |
| config SOC_ATMEL_SAMD_OSC32K |
| bool "Internal 32.768 kHz RC oscillator" |
| help |
| Enable the internal 32.768 kHz RC oscillator at startup. |
| This can then be selected as the main clock reference for the SOC. |
| |
| config SOC_ATMEL_SAMD_OSC8M |
| bool "Internal 8 MHz RC oscillator" |
| help |
| Enable the internal 8 MHz RC oscillator at startup. |
| This can then be selected as the main clock reference for the SOC. |
| |
| config SOC_ATMEL_SAMD_XOSC32K |
| bool "External 32.768 kHz clock source" |
| help |
| Enable the external 32.768 kHz clock source at startup. |
| This can then be selected as the main clock reference for the SOC. |
| |
| config SOC_ATMEL_SAMD_XOSC32K_CRYSTAL |
| bool "External 32.768 kHz clock is a crystal oscillator" |
| depends on SOC_ATMEL_SAMD_XOSC32K |
| default y |
| help |
| Enable the crystal oscillator (if disabled, expect a clock signal on |
| XIN32). |
| |
| config SOC_ATMEL_SAMD_XOSC |
| bool "External 0.4..32 MHz clock source" |
| help |
| Enable the external 0.4..32 MHz clock source at startup. |
| This can then be selected as the main clock reference for the SOC. |
| |
| config SOC_ATMEL_SAMD_XOSC_CRYSTAL |
| bool "External 0.4..32 MHz clock is a crystal oscillator" |
| depends on SOC_ATMEL_SAMD_XOSC |
| default y |
| help |
| Enable the crystal oscillator (if disabled, expect a clock signal on |
| XIN). |
| |
| config SOC_ATMEL_SAMD_XOSC_FREQ_HZ |
| int "External 0.4..32 MHz clock oscillator frequency" |
| range 400000 32000000 |
| default 8000000 |
| depends on SOC_ATMEL_SAMD_XOSC |
| help |
| External 0.4..32 MHz clock oscillator reference frequency. |
| |
| choice |
| prompt "Main clock reference" |
| default SOC_ATMEL_SAMD_DEFAULT_AS_MAIN |
| help |
| Selects the clock that will be used for the DFLL48M's reference. |
| Main clocks, such as the CPU and AHB clocks will be derived from |
| DFLL48M. |
| |
| config SOC_ATMEL_SAMD_DEFAULT_AS_MAIN |
| bool "DEFAULT" |
| help |
| This choice will leave all clocks to their current state. |
| This can be the default reset state or a state set by a bootloader. |
| |
| config SOC_ATMEL_SAMD_OSC32K_AS_MAIN |
| bool "OSC32K" |
| depends on SOC_ATMEL_SAMD_OSC32K |
| |
| config SOC_ATMEL_SAMD_XOSC32K_AS_MAIN |
| bool "XOSC32K" |
| depends on SOC_ATMEL_SAMD_XOSC32K |
| |
| config SOC_ATMEL_SAMD_OSC8M_AS_MAIN |
| bool "OSC8M" |
| depends on SOC_ATMEL_SAMD_OSC8M |
| |
| config SOC_ATMEL_SAMD_XOSC_AS_MAIN |
| bool "XOSC" |
| depends on SOC_ATMEL_SAMD_XOSC |
| |
| endchoice |
| |
| endif # SOC_SERIES_SAMD20 || SOC_SERIES_SAMD21 || SOC_SERIES_SAMR21 |
