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Thu, 06 Mar 2025 03:16:12 -0800 (PST) Received: from localhost ([2001:4091:a245:8327:80ad:8144:3b07:4679]) by smtp.gmail.com with UTF8SMTPSA id a640c23a62f3a-ac23973a981sm77339566b.120.2025.03.06.03.16.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Mar 2025 03:16:12 -0800 (PST) From: Markus Schneider-Pargmann Date: Thu, 06 Mar 2025 12:14:51 +0100 Subject: [PATCH v5 13/13] arm64: dts: ti: k3-am62p5-sk: Set wakeup-source system-states MIME-Version: 1.0 Message-Id: <20250306-topic-am62-partialio-v6-12-b4-v5-13-f9323d3744a2@baylibre.com> References: <20250306-topic-am62-partialio-v6-12-b4-v5-0-f9323d3744a2@baylibre.com> In-Reply-To: <20250306-topic-am62-partialio-v6-12-b4-v5-0-f9323d3744a2@baylibre.com> To: Nishanth Menon , Tero Kristo , Santosh Shilimkar , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Anand Gadiyar , Chandrasekar Ramakrishnan , Marc Kleine-Budde , Vincent Mailhol Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Vishal Mahaveer , Kevin Hilman , Dhruva Gole , Akashdeep Kaur , Kendall Willis , linux-can@vger.kernel.org, Markus Schneider-Pargmann X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3129; i=msp@baylibre.com; h=from:subject:message-id; bh=VbF63lIgRDIHEDh0j1eHwrNJ7kNRLfR5v3SvlStjSYs=; b=owGbwMvMwCGm0rPl0RXRdfaMp9WSGNJPNj9bP3Om+c6c/W0NXvezuVwKil+enfVcUPiCfG3TX sFdPzilOkpZGMQ4GGTFFFnuflj4rk7u+oKIdY8cYeawMoEMYeDiFICJGGQz/BXwPWbXHCl3t6Ds ou+51SzTF11Ycez5J8vUJ6WGSXOvZnoyMpw4YGVWf+qQtSDHnA0qLGVPzNYuj9ggMoP3gjirztz UfmYA X-Developer-Key: i=msp@baylibre.com; a=openpgp; fpr=BADD88DB889FDC3E8A3D5FE612FA6A01E0A45B41 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250306_031614_216549_16C8EC50 X-CRM114-Status: GOOD ( 10.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The CANUART pins of mcu_mcan0, mcu_mcan1, mcu_uart0 and wkup_uart0 are powered during Partial-IO and IO+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: Markus Schneider-Pargmann --- arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 76 +++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts index d29f524600af017af607e2cb6122d3a581575ffc..35b950e444353c416e33344dfff42e2edeab3aba 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts @@ -683,3 +683,79 @@ &mcu_gpio0 { &mcu_gpio_intr { status = "reserved"; }; + +&mcu_mcan0 { + pinctrl-names = "default", "wakeup"; + pinctrl-0 = <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_default>; + pinctrl-1 = <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_wakeup>; + wakeup-source = <&system_partial_io>, + <&system_io_ddr>, + <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; + status = "okay"; +}; + +&mcu_mcan1 { + pinctrl-names = "default", "wakeup"; + pinctrl-0 = <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_default>; + pinctrl-1 = <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_wakeup>; + wakeup-source = <&system_partial_io>, + <&system_io_ddr>, + <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; + status = "okay"; +}; + +&mcu_uart0 { + wakeup-source = <&system_io_ddr>, + <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; +}; + +&wkup_uart0 { + wakeup-source = <&system_io_ddr>, + <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; +}; + +&mcu_pmx0 { + mcu_mcan0_tx_pins_default: mcu-mcan0-tx-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x034, PIN_OUTPUT, 0) /* (D6) MCU_MCAN0_TX */ + >; + }; + + mcu_mcan0_rx_pins_default: mcu-mcan0-rx-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x038, PIN_INPUT, 0) /* (B3) MCU_MCAN0_RX */ + >; + }; + + mcu_mcan0_rx_pins_wakeup: mcu-mcan0-rx-wakeup-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x038, PIN_INPUT | WKUP_EN, 0) /* (B3) MCU_MCAN0_RX */ + >; + }; + + mcu_mcan1_tx_pins_default: mcu-mcan1-tx-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x03c, PIN_OUTPUT, 0) /* (E5) MCU_MCAN1_TX */ + >; + }; + + mcu_mcan1_rx_pins_default: mcu-mcan1-rx-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x040, PIN_INPUT, 0) /* (D4) MCU_MCAN1_RX */ + >; + }; + + mcu_mcan1_rx_pins_wakeup: mcu-mcan1-rx-wakeup-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x040, PIN_INPUT | WKUP_EN, 0) /* (D4) MCU_MCAN1_RX */ + >; + }; +};