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Thu, 12 Feb 2026 14:07:20 -0600 Received: from [127.0.1.1] (uda0506412.dhcp.ti.com [128.247.81.19]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 61CK7KEI4105115; Thu, 12 Feb 2026 14:07:20 -0600 From: Kendall Willis Date: Thu, 12 Feb 2026 14:07:16 -0600 Subject: [PATCH] arm64: dts: ti: k3-am62d2-evm: Set wakeup-source system-states 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: <20260212-am62d-can-wkup-dts-v1-1-d2de17e1f303@ti.com> X-B4-Tracking: v=1; b=H4sIAPMyjmkC/x3MTQ5AMBBA4avIrE2igy5cRSxaHUxESesvEXfXW H6L9x6IHIQjNNkDgU+JsvoElWfQT8aPjOKSgQrSBSlCs2hy2BuP13xs6PaIpqrZWVuXWjGkcAs 8yP1P2+59P2o0EEFkAAAA X-Change-ID: 20260212-am62d-can-wkup-dts-a45edbb5361e To: Nishanth Menon , Vignesh Raghavendra , "Tero Kristo" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley CC: , , , , , , , , Kendall Willis X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: IPrFBwAN1cwcShA8dZvAJfhTzHsJhPrmQNuR6hiobE9g+wGbdDjoY8DFtQwCqaxQi+S6Au8fF/5564Ton0DHF4/HxaQtd+LP+by0m+IYwy07qCYRBQyxx7DtZSUpotz1FavtRPet2EAfQFCpsnJ8k33ldwCNYaTLOIocd580Rgkttz5y2Gsge/WVQhTEYzulVfSend9jSPSr5dwwPsaK6Y/VrPACUfPWfmFNI1ildK1aUd6EVyAQD7DK7nl4l9aCNg6VD65CPkghai78Le/DJVQAA9w8n/+gYZJIsAgf6ybrK9YugxZAI3nPbsQLpSbcLiBcbjdhd/0KE+BzuzSkX/fnxrmefrEPu7V4YbsbZ30RX8pFtSPRF3hSldsq5KFgBoTnUOtfX/GBksK0tS1aX9Ym51Pt8dO/B8eIcdq7u/Soh6BroiH2VjGk1H+wM5NK X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Feb 2026 20:07:28.1034 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2139d3bc-d5cc-462c-7aa9-08de6a7258d3 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: SJ5PEPF000001D2.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR10MB4178 The CANUART pins of mcu_mcan0, mcu_mcan1, mcu_uart0 and wkup_uart0 are powered during Partial-IO and I/O Only + DDR and are capable of waking up the system in these states. Specify the states in which these units can do a wakeup on this board. Note that the UARTs are not capable of wakeup in Partial-IO because of of a UART mux on the board not being powered during Partial-IO. Add pincontrol definitions for mcu_mcan0 and mcu_mcan1 for wakeup from Partial-IO. Add these as wakeup pinctrl entries for both devices. Signed-off-by: Kendall Willis Reviewed-by: Dhruva Gole --- This patch is based on a similar commit afb919a6b36b ("arm64: dts: ti: k3-am62a7-sk: Set wakeup-source system-states") Markus made for the AM62A SoC. --- arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 69 ++++++++++++++++++++++++++++= ++++ 1 file changed, 69 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts= /ti/k3-am62d2-evm.dts index a5d5dc0a7bec8c3a5dfa63e984ae398af3ede7c0..1ee851a646c053b5d6706f885c6= 8058f4c4374b6 100644 --- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts @@ -199,6 +199,42 @@ led-0 { &mcu_pmx0 { status =3D "okay"; =20 + mcu_mcan0_tx_pins_default: mcu-mcan0-tx-default-pins { + pinctrl-single,pins =3D < + AM62DX_MCU_IOPAD(0x0034, PIN_OUTPUT, 0) /* (C7) MCU_MCAN0_TX */ + >; + }; + + mcu_mcan0_rx_pins_default: mcu-mcan0-rx-default-pins { + pinctrl-single,pins =3D < + AM62DX_MCU_IOPAD(0x0038, PIN_INPUT, 0) /* (E8) MCU_MCAN0_RX */ + >; + }; + + mcu_mcan0_rx_pins_wakeup: mcu-mcan0-rx-wakeup-pins { + pinctrl-single,pins =3D < + AM62DX_MCU_IOPAD(0x0038, PIN_INPUT | PIN_WKUP_EN, 0) /* (E8) MCU_MCAN0_= RX */ + >; + }; + + mcu_mcan1_tx_pins_default: mcu-mcan1-tx-default-pins { + pinctrl-single,pins =3D < + AM62DX_MCU_IOPAD(0x003c, PIN_OUTPUT, 0) /* (D7) MCU_MCAN1_TX */ + >; + }; + + mcu_mcan1_rx_pins_default: mcu-mcan1-rx-default-pins { + pinctrl-single,pins =3D < + AM62DX_MCU_IOPAD(0x0040, PIN_INPUT, 0) /* (B9) MCU_MCAN1_RX */ + >; + }; + + mcu_mcan1_rx_pins_wakeup: mcu-mcan1-rx-wakeup-pins { + pinctrl-single,pins =3D < + AM62DX_MCU_IOPAD(0x040, PIN_INPUT | PIN_WKUP_EN, 0) /* (B9) MCU_MCAN1_R= X */ + >; + }; + pmic_irq_pins_default: pmic-irq-default-pins { pinctrl-single,pins =3D < AM62DX_IOPAD(0x01f4, PIN_INPUT, 7) /* (F17) EXTINTn.GPIO1_31 */ @@ -228,6 +264,10 @@ AM62DX_MCU_IOPAD(0x0050, PIN_INPUT, 0) /* (E13) WKUP_I= 2C0_SDA */ &wkup_uart0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&wkup_uart0_pins_default>; + wakeup-source =3D <&system_io_ddr>, + <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; bootph-all; status =3D "reserved"; }; @@ -737,4 +777,33 @@ &c7x_0 { firmware-name =3D "am62d-c71_0-fw"; }; =20 +&mcu_mcan0 { + pinctrl-names =3D "default", "wakeup"; + pinctrl-0 =3D <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_default>; + pinctrl-1 =3D <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_wakeup>; + wakeup-source =3D <&system_partial_io>, + <&system_io_ddr>, + <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; +}; + +&mcu_mcan1 { + pinctrl-names =3D "default", "wakeup"; + pinctrl-0 =3D <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_default>; + pinctrl-1 =3D <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_wakeup>; + wakeup-source =3D <&system_partial_io>, + <&system_io_ddr>, + <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; +}; + +&mcu_uart0 { + wakeup-source =3D <&system_io_ddr>, + <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; +}; + #include "k3-am62a-ti-ipc-firmware.dtsi" --- base-commit: af98e93c5c39e6d0b87b42f0a32dd3066f795718 change-id: 20260212-am62d-can-wkup-dts-a45edbb5361e Best regards, --=20 Kendall Willis