linux-kernel - [PATCH v3 3/4] arm64: boot: dts: ti: k3-am62l3-evm: define WKUP

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Message-ID: <20260127-v6-19-wkup-uart-wakeup-v3-3-e7ccac761f3a@ti.com>
Date: Tue, 27 Jan 2026 16:39:38 -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 3/4] arm64: boot: dts: ti: k3-am62l3-evm: define
 WKUP_UART0 pins

Add the pin definition for the WKUP_UART0 node.

Signed-off-by: Kendall Willis <k-willis@...com>
---
 arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
index cae04cce337366b50928d39b0c888550b14e43d3..3ac9a2d0d9cb78d87479c4a8aed5c0b1f1cb3faa 100644
--- a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
@@ -306,6 +306,12 @@ AM62LX_IOPAD(0x0238, PIN_OUTPUT, 7) /* (D24) MMC1_SDWP.GPIO0_123 */
 		>;
 	};
 
+	wkup_uart0_pins_default: wkup-uart0-default-pins {
+		pinctrl-single,pins = <
+			AM62LX_IOPAD(0x0000, PIN_INPUT, 0) /* (Y22) WKUP_UART0_RXD */
+			AM62LX_IOPAD(0x0004, PIN_OUTPUT, 0) /* (AA23) WKUP_UART0_TXD */
+		>;
+	};
 };
 
 &sdhci0 {
@@ -359,3 +365,8 @@ &usb1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&usb1_default_pins>;
 };
+
+&wkup_uart0 {
+	pinctrl-0 = <&wkup_uart0_pins_default>;
+	pinctrl-names = "default";
+};

-- 
2.34.1