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@xxxxxxxxxxx>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
---
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 1b88485a62a1..242115863ab4 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -190,6 +190,14 @@ &i2c8 {
status = "disabled";
};
+/* use LPTIMER with tick broadcast for suspend mode */
+&lptimer3 {
+ status = "okay";
+ timer {
+ status = "okay";
+ };
+};
+
&rtc {
status = "okay";
};
--
2.25.1
