linux-kernel - [PATCH v3 4/4] arm64: boot: dts: ti: k3-am62l3-evm: enable target-module node

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Message-ID: <20260127-v6-19-wkup-uart-wakeup-v3-4-e7ccac761f3a@ti.com>
Date: Tue, 27 Jan 2026 16:39:39 -0600
From: Kendall Willis <k-willis@...com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, "Tero
 Kristo" <kristo@...nel.org>, Rob Herring <robh@...nel.org>, "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, "Dhruva
 Gole" <d-gole@...com>, Bryan Brattlof <bb@...com>
CC: <vishalm@...com>, <sebin.francis@...com>, <msp@...libre.com>,
	<khilman@...libre.com>, <linux-arm-kernel@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Kendall Willis
	<k-willis@...com>
Subject: [PATCH v3 4/4] arm64: boot: dts: ti: k3-am62l3-evm: enable
 target-module node

Change the status of the wkup_uart0_interconnect node to enabled. The
target-module node sets the UART SYSS register to allow wakeup from WKUP
UART in DeepSleep low power mode.

Reviewed-by: Dhruva Gole <d-gole@...com>
Signed-off-by: Kendall Willis <k-willis@...com>
---
 arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
index 3ac9a2d0d9cb78d87479c4a8aed5c0b1f1cb3faa..37379b86582c9e412f94c18ce7fa81857034375f 100644
--- a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
@@ -370,3 +370,7 @@ &wkup_uart0 {
 	pinctrl-0 = <&wkup_uart0_pins_default>;
 	pinctrl-names = "default";
 };
+
+&wkup_uart0_interconnect {
+	status = "okay";
+};

-- 
2.34.1