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Tue, 30 Dec 2025 20:51:50 -0600 Received: from [127.0.1.1] (uda0506412.dhcp.ti.com [128.247.81.19]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 5BV2pn4x1608844; Tue, 30 Dec 2025 20:51:50 -0600 From: Kendall Willis Date: Tue, 30 Dec 2025 20:51:42 -0600 Subject: [PATCH 3/3] arm64: boot: dts: ti: k3-am62l3-evm: enable WKUP UART wakeup from LPM Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20251230-wkup-uart-wakeup-v1-3-cd6e15f8d956@ti.com> References: <20251230-wkup-uart-wakeup-v1-0-cd6e15f8d956@ti.com> In-Reply-To: <20251230-wkup-uart-wakeup-v1-0-cd6e15f8d956@ti.com> To: Nishanth Menon , Vignesh Raghavendra , "Tero Kristo" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Dhruva Gole" , Bryan Brattlof CC: , , , , , , , , , Kendall Willis X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 02:51:53.2192 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9b91aaa1-e815-4949-8166-08de48178dc0 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D3.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR10MB6009 Change the status of the wkup_uart0_interconnect node to enabled. The target-module node sets the UART SYSC and SYSS registers to allow wakeup from WKUP UART in DeepSleep low power mode. Signed-off-by: Kendall Willis Reviewed-by: Dhruva Gole --- 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 cae04cce337366b50928d39b0c888550b14e43d3..02b1a1c76b2ee05d49cd69d199a= 6aacdb1973fa0 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts @@ -359,3 +359,7 @@ &usb1 { pinctrl-names =3D "default"; pinctrl-0 =3D <&usb1_default_pins>; }; + +&wkup_uart0_interconnect { + status =3D "okay"; +}; --=20 2.34.1