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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 --- 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