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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 02:38:37.6495 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9362e172-7cb8-4399-3dc2-08de4815b390 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.195];Helo=[flwvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044F2.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR10MB4357 Add the system states that are available on the TI AM62L SoC. Signed-off-by: Kendall Willis Reviewed-by: Dhruva Gole Reviewed-by: Markus Schneider-Pargmann --- arch/arm64/boot/dts/ti/k3-am62l.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62l.dtsi b/arch/arm64/boot/dts/ti/= k3-am62l.dtsi index 23acdbb301fe38e6045c0ef3ae340196009ed217..3b84ac9be6d075f5eb469c3e503= b2e494c62be27 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62l.dtsi @@ -64,6 +64,18 @@ pmu: pmu { interrupts =3D ; }; =20 + system-idle-states { + system_rtc_ddr: system-rtc-ddr { + compatible =3D "system-idle-state"; + idle-state-name =3D "mem-deep"; + }; + + system_deep_sleep: system-deep-sleep { + compatible =3D "system-idle-state"; + idle-state-name =3D "mem"; + }; + }; + cbass_main: bus@f0000 { compatible =3D "simple-bus"; ranges =3D <0x00 0x00600000 0x00 0x00600000 0x00 0x00010100>, /* GPIO */ --=20 2.34.1 From nobody Sat Feb 7 09:29:39 2026 Received: from BL0PR03CU003.outbound.protection.outlook.com (mail-eastusazon11012026.outbound.protection.outlook.com [52.101.53.26]) (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 C865923C4FF; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 02:38:37.2246 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 665e0f42-1d00-47c0-74f1-08de4815b34f 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: CH3PEPF00000013.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA3PR10MB8044 The Main UART can resume from suspend to RAM states when PIN_WKUP_EN is enabled. Add the necessary pins needed to wakeup the system. Add the system idle states that the Main UART can wakeup the system from. Signed-off-by: Kendall Willis Reviewed-by: Dhruva Gole Reviewed-by: Markus Schneider-Pargmann --- arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 24 ++++++++++++++++++++--= -- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/bo= ot/dts/ti/k3-am62x-sk-common.dtsi index 50ed859ae06c47af38b11753d909a91485d438e5..e84356a971ee5a2c1c799eb5a18= 30cc8efc9adf7 100644 --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi @@ -143,14 +143,26 @@ &phy_gmii_sel { =20 &main_pmx0 { /* First pad number is ALW package and second is AMC package */ - main_uart0_pins_default: main-uart0-default-pins { + main_uart0_tx_pins_default: main-uart0-tx-default-pins { bootph-all; pinctrl-single,pins =3D < - AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14/A13) UART0_RXD */ AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14/E11) UART0_TXD */ >; }; =20 + main_uart0_rx_pins_default: main-uart0-rx-default-pins { + bootph-all; + pinctrl-single,pins =3D < + AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14/A13) UART0_RXD */ + >; + }; + + main_uart0_rx_pins_wakeup: main-uart0-rx-wakeup-pins { + pinctrl-single,pins =3D < + AM62X_IOPAD(0x1c8, PIN_INPUT | PIN_WKUP_EN, 0) /* (D14/A13) UART0_RXD */ + >; + }; + main_uart1_pins_default: main-uart1-default-pins { bootph-pre-ram; pinctrl-single,pins =3D < @@ -322,8 +334,12 @@ &wkup_uart0 { &main_uart0 { bootph-all; status =3D "okay"; - pinctrl-names =3D "default"; - pinctrl-0 =3D <&main_uart0_pins_default>; + pinctrl-names =3D "default", "wakeup"; + pinctrl-0 =3D <&main_uart0_tx_pins_default>, <&main_uart0_rx_pins_default= >; + pinctrl-1 =3D <&main_uart0_tx_pins_default>, <&main_uart0_rx_pins_wakeup>; + wakeup-source =3D <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; }; =20 &main_uart1 { --=20 2.34.1 From nobody Sat Feb 7 09:29:39 2026 Received: from CY3PR05CU001.outbound.protection.outlook.com (mail-westcentralusazon11013005.outbound.protection.outlook.com [40.93.201.5]) (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 9D56A26FD9B; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 02:38:53.1174 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c8b0b6ca-4df5-4c89-78ff-08de4815bcce X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A101.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR10MB4156 The Main UART can resume from suspend to RAM states when PIN_WKUP_EN is enabled. Add the necessary pins needed to wakeup the system. Add the system idle states that the Main UART can wakeup the system from. Signed-off-by: Kendall Willis Reviewed-by: Dhruva Gole Reviewed-by: Markus Schneider-Pargmann --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/= ti/k3-am62a7-sk.dts index e99bdbc2e0cbdf858f1631096f9c2a086191bab3..85f93975fa728e3e65f5c7562e6= 7e684cd5a4da2 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -274,14 +274,26 @@ AM62AX_IOPAD(0x078, PIN_OUTPUT, 1) /* (T21) GPMC0_AD1= 5.VOUT0_DATA23 */ >; }; =20 - main_uart0_pins_default: main-uart0-default-pins { + main_uart0_tx_pins_default: main-uart0-tx-default-pins { pinctrl-single,pins =3D < - AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (E14) UART0_RXD */ AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (D15) UART0_TXD */ >; bootph-all; }; =20 + main_uart0_rx_pins_default: main-uart0-rx-default-pins { + pinctrl-single,pins =3D < + AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (E14) UART0_RXD */ + >; + bootph-all; + }; + + main_uart0_rx_pins_wakeup: main-uart0-rx-wakeup-pins { + pinctrl-single,pins =3D < + AM62AX_IOPAD(0x1c8, PIN_INPUT | PIN_WKUP_EN, 0) /* (E14) UART0_RXD */ + >; + }; + main_uart1_pins_default: main-uart1-default-pins { pinctrl-single,pins =3D < AM62AX_IOPAD(0x01ac, PIN_INPUT, 2) /* (B21) MCASP0_AFSR.UART1_RXD */ @@ -717,8 +729,12 @@ &main_gpio_intr { =20 &main_uart0 { status =3D "okay"; - pinctrl-names =3D "default"; - pinctrl-0 =3D <&main_uart0_pins_default>; + pinctrl-names =3D "default", "wakeup"; + pinctrl-0 =3D <&main_uart0_tx_pins_default>, <&main_uart0_rx_pins_default= >; + pinctrl-1 =3D <&main_uart0_tx_pins_default>, <&main_uart0_rx_pins_wakeup>; + wakeup-source =3D <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; bootph-all; }; =20 --=20 2.34.1 From nobody Sat Feb 7 09:29:39 2026 Received: from SJ2PR03CU001.outbound.protection.outlook.com (mail-westusazon11012009.outbound.protection.outlook.com [52.101.43.9]) (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 420281E4AF; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 02:38:38.1085 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fdcc6f87-d5ab-42d2-bba2-08de4815b3db 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: BL02EPF00021F6A.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR10MB5145 The Main UART can resume from suspend to RAM states when PIN_WKUP_EN is enabled. Add the necessary pins needed to wakeup the system. Add the system idle states that the Main UART can wakeup the system from. Signed-off-by: Kendall Willis Reviewed-by: Dhruva Gole Reviewed-by: Markus Schneider-Pargmann --- arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/= ti/k3-am62p5-sk.dts index ef719c6334fc094f01d9e8185992f2f58320e17d..96bba65f4f16792834567324db6= f7f2bdee7bc06 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts @@ -328,14 +328,26 @@ AM62PX_IOPAD(0x0164, PIN_INPUT, 0) /* (A20) RGMII2_TX= _CTL */ bootph-all; }; =20 - main_uart0_pins_default: main-uart0-default-pins { + main_uart0_tx_pins_default: main-uart0-tx-default-pins { pinctrl-single,pins =3D < - AM62PX_IOPAD(0x1c8, PIN_INPUT, 0) /* (A22) UART0_RXD */ AM62PX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */ >; bootph-all; }; =20 + main_uart0_rx_pins_default: main-uart0-rx-default-pins { + pinctrl-single,pins =3D < + AM62PX_IOPAD(0x1c8, PIN_INPUT, 0) /* (A22) UART0_RXD */ + >; + bootph-all; + }; + + main_uart0_rx_pins_wakeup: main-uart0-rx-wakeup-pins { + pinctrl-single,pins =3D < + AM62PX_IOPAD(0x1c8, PIN_INPUT | PIN_WKUP_EN, 0) /* (A22) UART0_RXD */ + >; + }; + main_uart1_pins_default: main-uart1-default-pins { pinctrl-single,pins =3D < AM62PX_IOPAD(0x0194, PIN_INPUT, 2) /* (D25) MCASP0_AXR3.UART1_CTSn */ @@ -692,8 +704,12 @@ partition@3fc0000 { }; =20 &main_uart0 { - pinctrl-names =3D "default"; - pinctrl-0 =3D <&main_uart0_pins_default>; + pinctrl-names =3D "default", "wakeup"; + pinctrl-0 =3D <&main_uart0_tx_pins_default>, <&main_uart0_rx_pins_default= >; + pinctrl-1 =3D <&main_uart0_tx_pins_default>, <&main_uart0_rx_pins_wakeup>; + wakeup-source =3D <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; status =3D "okay"; bootph-all; }; --=20 2.34.1 From nobody Sat Feb 7 09:29:39 2026 Received: from CY3PR05CU001.outbound.protection.outlook.com (mail-westcentralusazon11013038.outbound.protection.outlook.com [40.93.201.38]) (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 C9DE923ED75; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 02:38:38.9004 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1c5a1fdc-814d-482e-ed04-08de4815b451 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: CH3PEPF00000017.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR10MB6476 The Main UART can resume from suspend to RAM states when PIN_WKUP_EN is enabled. Add the necessary pins needed to wakeup the system. Add the system idle states that the Main UART can wakeup the system from. Signed-off-by: Kendall Willis Reviewed-by: Dhruva Gole Reviewed-by: Markus Schneider-Pargmann --- arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts= /ti/k3-am62l3-evm.dts index cae04cce337366b50928d39b0c888550b14e43d3..911719278e7191d96a886ce1e81= 8f98085dd5d67 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts @@ -280,14 +280,26 @@ AM62LX_IOPAD(0x0234, PIN_INPUT, 0) /* (B6) MMC1_SDCD = */ bootph-all; }; =20 - uart0_pins_default: uart0-default-pins { + uart0_tx_pins_default: uart0-tx-default-pins { pinctrl-single,pins =3D < - AM62LX_IOPAD(0x01b4, PIN_INPUT, 0) /* (D13) UART0_RXD */ AM62LX_IOPAD(0x01b8, PIN_OUTPUT, 0) /* (C13) UART0_TXD */ >; bootph-all; }; =20 + uart0_rx_pins_default: uart0-rx-default-pins { + pinctrl-single,pins =3D < + AM62LX_IOPAD(0x01b4, PIN_INPUT, 0) /* (D13) UART0_RXD */ + >; + bootph-all; + }; + + uart0_rx_pins_wakeup: uart0-rx-wakeup-pins { + pinctrl-single,pins =3D < + AM62LX_IOPAD(0x01b4, PIN_INPUT | PIN_WKUP_EN, 0) /* (D13) UART0_RXD */ + >; + }; + usb1_default_pins: usb1-default-pins { pinctrl-single,pins =3D < AM62LX_IOPAD(0x0248, PIN_INPUT | PIN_DS_PULLUD_ENABLE | PIN_DS_PULL_UP,= 0) /* (A5) USB1_DRVVBUS */ @@ -328,8 +340,10 @@ &sdhci1 { }; =20 &uart0 { - pinctrl-0 =3D <&uart0_pins_default>; - pinctrl-names =3D "default"; + pinctrl-0 =3D <&uart0_tx_pins_default>, <&uart0_rx_pins_default>; + pinctrl-1 =3D <&uart0_tx_pins_default>, <&uart0_rx_pins_wakeup>; + pinctrl-names =3D "default", "wakeup"; + wakeup-source =3D <&system_deep_sleep>; status =3D "okay"; bootph-all; }; --=20 2.34.1