[PATCH 1/4] arm64: dts: ti: k3-am62-lp-sk: add out-band-wakeup property to m_can devices
From: Kendall Willis
Date: Thu Aug 20 2026 - 18:09:15 EST
The m_can pins can be a wakeup source in the deepest low power states,
despite being in the MCU domain which is OFF during deeper low power
states. Add the out-band-wakeup property to allow the out_band_wakeup flag
to be enabled during suspend for m_can devices.
Signed-off-by: Kendall Willis <k-willis@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
index dfd65c00f5b95bca9e3a447f3ca14ad40631e1c2..011f2f37037553d1dd8ef68d2ecad36c4e93b130 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
@@ -283,6 +283,7 @@ &gpmc0 {
};
&mcu_mcan0 {
+ out-band-wakeup;
pinctrl-names = "default", "wakeup";
pinctrl-0 = <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_default>;
pinctrl-1 = <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_wakeup>;
@@ -294,6 +295,7 @@ &mcu_mcan0 {
};
&mcu_mcan1 {
+ out-band-wakeup;
pinctrl-names = "default", "wakeup";
pinctrl-0 = <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_default>;
pinctrl-1 = <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_wakeup>;
--
2.34.1