From 5e281c436e4a2ed091d597b92aa55fc57306bc5e Mon Sep 17 00:00:00 2001 From: Fabrice Gasnier Date: Wed, 14 May 2025 10:10:39 +0200 Subject: [PATCH] arm64: dts: st: use lptimer3 as tick broadcast source on stm32mp257f-ev1 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 Signed-off-by: Fabrice Gasnier Signed-off-by: Alexandre Torgue --- arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts index 9d1a1155e36c..2f561ad40665 100644 --- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts +++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts @@ -222,6 +222,14 @@ }; }; +/* use LPTIMER with tick broadcast for suspend mode */ +&lptimer3 { + status = "okay"; + timer { + status = "okay"; + }; +}; + &rtc { status = "okay"; }; -- 2.25.1