[PATCH v1 2/2] arm64: dts: imx93-var-som-symphony: enable UART wakeup

Stefano Radaelli stefano.radaelli21 at gmail.com
Mon Nov 2 10:55:04 PST 2026


From: Stefano Radaelli <stefano.r at variscite.com>

Mark the LPUART1 serial console as a wakeup source to allow it to wake
the system from suspend.

Co-developed-by: Alifer Moraes <alifer.m at variscite.com>
Signed-off-by: Alifer Moraes <alifer.m at variscite.com>
Signed-off-by: Stefano Radaelli <stefano.r at variscite.com>
---
 arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
index 1f0954620195..47203811abe9 100644
--- a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
@@ -302,6 +302,7 @@ typec1_dr_sw: endpoint {
 &lpuart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1>;
+	wakeup-source;
 	status = "okay";
 };
 
-- 
2.47.3




More information about the linux-arm-kernel mailing list