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boards: efr32_radio: Enable Backup RTC

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Enable Backup RTC (burtc0) node for the efr32_radio_brd4187c board.

Signed-off-by: Markus Fuchs <markus.fuchs@ch.sauter-bc.com>
This commit is contained in:
Markus Fuchs 2023-07-28 14:59:53 +02:00 • committed by Fabio Baltieri
commit 1766932b56
3 changed files with 16 additions and 2 deletions
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4
boards/arm/efr32_radio/efr32_radio_brd4187c.dts
View file

@ -99,6 +99,10 @@
status = "okay";
};
&burtc0 {
status = "okay";
};
&stimer0 {
status = "okay";
};

7
boards/arm/efr32_radio/efr32_radio_brd4187c_defconfig
View file

@ -6,9 +6,12 @@ CONFIG_ARM_MPU=y
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_CORTEX_M_SYSTICK=y
CONFIG_GPIO=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=78000000
CONFIG_CMU_HFCLK_HFXO=y
CONFIG_SOC_GECKO_EMU_DCDC=y
CONFIG_SOC_GECKO_EMU_DCDC_MODE_ON=y
# Use BURTC as system clock source
CONFIG_GECKO_BURTC_TIMER=y
CONFIG_CMU_BURTCCLK_LFXO=y
CONFIG_SYS_CLOCK_TICKS_PER_SEC=1024

7
dts/arm/silabs/efr32mg24.dtsi
View file

@ -68,6 +68,13 @@
status = "disabled";
};
burtc0: burtc@50064000 {
compatible = "silabs,gecko-burtc";
reg = <0x50064000 0x3034>;
interrupts = <17 0>;
status = "disabled";
};
se: semailbox@5c021000 {
compatible = "silabs,gecko-semailbox";
reg = <0x5c021000 0x1000>;