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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 Fri Apr 3 01:49:02 2026 Received: from MW6PR02CU001.outbound.protection.outlook.com (mail-westus2azon11012044.outbound.protection.outlook.com [52.101.48.44]) (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 ED34030BF6F; Thu, 19 Feb 2026 19:43:36 +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..6e87c3297404f1e2925141d747f= cced3cee86564 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_target: 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 Fri Apr 3 01:49:02 2026 Received: from DM1PR04CU001.outbound.protection.outlook.com (mail-centralusazon11010011.outbound.protection.outlook.com [52.101.61.11]) (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 6DA202D0600; 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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 Fri Apr 3 01:49:02 2026 Received: from SN4PR2101CU001.outbound.protection.outlook.com (mail-southcentralusazon11012037.outbound.protection.outlook.com [40.93.195.37]) (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 264082D7DE2; 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The 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..8ac7ad2cd1b9695482ede804c77= dc382820fbe8b 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_target { + status =3D "okay"; +}; --=20 2.34.1