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arm64: dts: st: use lptimer3 as tick broadcast source on stm32mp257f-ev1

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During the low power modes the generic ARM timer is deactivated, so the
the tick broadcast is used, based on LPTIMER3 which is clocked by LSE on
STMicroelectronics boards.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Fabrice Gasnier
2025-05-14 10:10:39 +02:00
committed by Alexandre Torgue
parent e0919bca1a
commit 5e281c436e
1 changed files with 8 additions and 0 deletions
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8
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
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@@ -222,6 +222,14 @@ flash0: flash@0 {
};
};
/* use LPTIMER with tick broadcast for suspend mode */
&lptimer3 {
status = "okay";
timer {
status = "okay";
};
};
&rtc {
status = "okay";
};