| # Copyright (c) 2019 ML!PA Consulting GmbH |
| # Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com> |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| if SOC_SERIES_SAMD51 || SOC_SERIES_SAME51 || SOC_SERIES_SAME53 || SOC_SERIES_SAME54 |
| |
| config SOC_ATMEL_SAMD5X_XOSC32K |
| bool "The external 32 kHz crystal oscillator" |
| help |
| Say y to enable the external 32 kHZ crystal oscillator at |
| startup. This can then be selected as the main clock source |
| for the SOC. |
| |
| config SOC_ATMEL_SAMD5X_XOSC32K_STARTUP |
| depends on SOC_ATMEL_SAMD5X_XOSC32K |
| hex "Startup time external 32 kHz crystal oscillator" |
| range 0x0 0x6 |
| default 0x1 |
| help |
| Selects the startup time for the external 32 kHz crystal oscillator. |
| |
| config SOC_ATMEL_SAMD5X_XOSC32K_CRYSTAL |
| bool "External 32.768 kHz clock is a crystal oscillator" |
| depends on SOC_ATMEL_SAMD5X_XOSC32K |
| default y |
| help |
| Enable the crystal oscillator (if disabled, expect a clock |
| signal on XIN32). |
| |
| config SOC_ATMEL_SAMD5X_XOSC32K_GAIN_HS |
| bool "XOSC32 High Speed gain" |
| depends on SOC_ATMEL_SAMD5X_XOSC32K |
| help |
| When this option is selected the gain is set High Speed |
| instead standard. |
| |
| DT_ATMEL_RTC := $(dt_nodelabel_path,rtc) |
| DT_ATMEL_RTC_COUNTER_CLOCK_MODE := $(dt_node_str_prop_equals,$(DT_ATMEL_RTC),counter-mode,clock) |
| |
| config SOC_ATMEL_SAMD5X_OSC32K_PRESCALER |
| int "XOSC32 Generic Clock Prescaler" |
| range 1 512 |
| default 32 if "$(DT_ATMEL_RTC_COUNTER_CLOCK_MODE)" |
| default 1 |
| help |
| Configure the prescaler for the generic clock output connected on the |
| xosc32 or osculp32k. When using RTC in calendar mode the GCLK should |
| be divided by 32 to RTC receive the 1024 Hz reference clock. |
| |
| choice |
| prompt "Main clock source" |
| default SOC_ATMEL_SAMD5X_DEFAULT_AS_MAIN |
| help |
| Selects the clock that the main clocks, such as the CPU |
| clock and AHB clock, will be derived from. |
| |
| config SOC_ATMEL_SAMD5X_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_SAMD5X_XOSC32K_AS_MAIN |
| depends on SOC_ATMEL_SAMD5X_XOSC32K |
| bool "XOSC32K" |
| |
| config SOC_ATMEL_SAMD5X_OSCULP32K_AS_MAIN |
| bool "OSCULP32K" |
| |
| endchoice |
| |
| endif |
