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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2026 22:39:46.8408 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0f1dd25b-4efb-4f3f-6a95-08de5df4f956 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001CA.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR10MB7204 WKUP_UART0 is apart of the wakeup peripherals and has a range from 0x002B300000 to 0x002B3001FF. Expand the wakeup peripheral window to include WKUP_UART0. Fixes: 5f016758b0ab ("arm64: dts: ti: k3-am62l: add initial infrastructure") Reviewed-by: Dhruva Gole Signed-off-by: Kendall Willis --- arch/arm64/boot/dts/ti/k3-am62l.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62l.dtsi b/arch/arm64/boot/dts/ti/= k3-am62l.dtsi index 23acdbb301fe38e6045c0ef3ae340196009ed217..e01e342c26daaa06a72036cc3a9= a7b13a60e6738 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62l.dtsi @@ -92,7 +92,7 @@ cbass_main: bus@f0000 { <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00001400>, /* VTM */ <0x00 0x04080000 0x00 0x04080000 0x00 0x00008000>, /* PDCFG */ <0x00 0x04201000 0x00 0x04201000 0x00 0x00000100>, /* GPIO */ - <0x00 0x2b100000 0x00 0x2b100000 0x00 0x00100100>, /* Wakeup Periphera= l Window */ + <0x00 0x2b100000 0x00 0x2b100000 0x00 0x00200200>, /* Wakeup Periphera= l Window */ <0x00 0x40800000 0x00 0x40800000 0x00 0x00014000>, /* DMA */ <0x00 0x43000000 0x00 0x43000000 0x00 0x00080000>; /* CTRL MMRs */ #address-cells =3D <2>; @@ -104,7 +104,7 @@ cbass_wakeup: bus@a80000 { <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00001400>, /* VTM */ <0x00 0x04080000 0x00 0x04080000 0x00 0x00008000>, /* PDCFG */ <0x00 0x04201000 0x00 0x04201000 0x00 0x00000100>, /* GPIO */ - <0x00 0x2b100000 0x00 0x2b100000 0x00 0x00100100>, /* Wakeup Peripher= al Window */ + <0x00 0x2b100000 0x00 0x2b100000 0x00 0x00200200>, /* Wakeup Peripher= al Window */ <0x00 0x40800000 0x00 0x40800000 0x00 0x00014000>, /* DMA */ <0x00 0x43000000 0x00 0x43000000 0x00 0x00080000>; /* CTRL MMRs */ #address-cells =3D <2>; --=20 2.34.1 From nobody Sun Feb 8 18:14:36 2026 Received: from PH8PR06CU001.outbound.protection.outlook.com (mail-westus3azon11012055.outbound.protection.outlook.com [40.107.209.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6E6802DE709; Tue, 27 Jan 2026 22:39:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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The node specifically configures the SYSCONFIG related registers for WKUP UART. Reviewed-by: Dhruva Gole Signed-off-by: Kendall Willis --- arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi b/arch/arm64/boot/= dts/ti/k3-am62l-wakeup.dtsi index 61bfcdcfc66ea8d802a36ed43cd01fbbf3decc70..e9d638d9ffd3a52aa6e0df70f60= 03879bc292358 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi @@ -81,7 +81,7 @@ wkup_i2c0: i2c@2b200000 { status =3D "disabled"; }; =20 - target-module@2b300050 { + wkup_uart0_interconnect: target-module@2b300050 { compatible =3D "ti,sysc-omap2", "ti,sysc"; reg =3D <0x00 0x2b300050 0x00 0x4>, <0x00 0x2b300054 0x00 0x4>, --=20 2.34.1 From nobody Sun Feb 8 18:14:36 2026 Received: from PH0PR06CU001.outbound.protection.outlook.com (mail-westus3azon11011009.outbound.protection.outlook.com [40.107.208.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 943462E8B9B; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2026 22:39:50.7784 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8656d70b-dc13-4017-1e2c-08de5df4fbae X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001CA.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR10MB5985 Add the pin definition for the WKUP_UART0 node. Signed-off-by: Kendall Willis --- 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..3ac9a2d0d9cb78d87479c4a8aed= 5c0b1f1cb3faa 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 */ >; }; =20 + wkup_uart0_pins_default: wkup-uart0-default-pins { + pinctrl-single,pins =3D < + AM62LX_IOPAD(0x0000, PIN_INPUT, 0) /* (Y22) WKUP_UART0_RXD */ + AM62LX_IOPAD(0x0004, PIN_OUTPUT, 0) /* (AA23) WKUP_UART0_TXD */ + >; + }; }; =20 &sdhci0 { @@ -359,3 +365,8 @@ &usb1 { pinctrl-names =3D "default"; pinctrl-0 =3D <&usb1_default_pins>; }; + +&wkup_uart0 { + pinctrl-0 =3D <&wkup_uart0_pins_default>; + pinctrl-names =3D "default"; +}; --=20 2.34.1 From nobody Sun Feb 8 18:14:36 2026 Received: from MW6PR02CU001.outbound.protection.outlook.com (mail-westus2azon11012041.outbound.protection.outlook.com [52.101.48.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A0AB2C08C0; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2026 22:39:46.8540 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cde9abc4-fbba-4029-c97c-08de5df4f952 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: DS1PEPF00017092.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR10MB6065 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 Signed-off-by: Kendall Willis --- 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..37379b86582c9e412f94c18ce7f= a81857034375f 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 =3D <&wkup_uart0_pins_default>; pinctrl-names =3D "default"; }; + +&wkup_uart0_interconnect { + status =3D "okay"; +}; --=20 2.34.1