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esp_hw_support: add 26 MHz XTAL option for esp32c2

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Some esp32c2 boards will be produced with a 26 MHz XTAL. This commit
adds the basic Kconfig option for this type of hardware.
Support for CONFIG_ESP32C2_XTAL_FREQ_26 in other areas of IDF will be
implemented in subsequent commits.
This commit is contained in:
Ivan Grokhotkov
2022-07-01 19:50:00 +02:00
committed by songruojing
parent 7e2ee82160
commit 672e70a023
1 changed files with 21 additions and 0 deletions
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21
components/esp_hw_support/port/esp32c2/Kconfig.hw_support Normal file
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config ESP32C2_XTAL_FREQ
int
default 40 if ESP32C2_XTAL_FREQ_40
default 26 if ESP32C2_XTAL_FREQ_26
choice ESP32C2_XTAL_FREQ_SEL
prompt "Main XTAL frequency"
default ESP32C2_XTAL_FREQ_40
help
ESP32-C2 currently supports the following XTAL frequencies:
- 26 MHz
- 40 MHz
This option must be set to the correct value for the given hardware.
config ESP32C2_XTAL_FREQ_40 # TODO: IDF-5488
bool "40 MHz"
config ESP32C2_XTAL_FREQ_26
bool "26 MHz"
endchoice