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arm64: dts: ti: k3-am62d2-evm: Set wakeup-source system-states

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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 <k-willis@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Link: https://patch.msgid.link/20260212-am62d-can-wkup-dts-v1-1-d2de17e1f303@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Kendall Willis 2026-02-12 14:07:16 -06:00 committed by Vignesh Raghavendra
parent 2af52683ec
commit d170388d5c
1 changed files with 69 additions and 0 deletions
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69
arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
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@ -199,6 +199,42 @@ led-0 {
&mcu_pmx0 {
status = "okay";
mcu_mcan0_tx_pins_default: mcu-mcan0-tx-default-pins {
pinctrl-single,pins = <
AM62DX_MCU_IOPAD(0x0034, PIN_OUTPUT, 0) /* (C7) MCU_MCAN0_TX */
>;
};
mcu_mcan0_rx_pins_default: mcu-mcan0-rx-default-pins {
pinctrl-single,pins = <
AM62DX_MCU_IOPAD(0x0038, PIN_INPUT, 0) /* (E8) MCU_MCAN0_RX */
>;
};
mcu_mcan0_rx_pins_wakeup: mcu-mcan0-rx-wakeup-pins {
pinctrl-single,pins = <
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 = <
AM62DX_MCU_IOPAD(0x003c, PIN_OUTPUT, 0) /* (D7) MCU_MCAN1_TX */
>;
};
mcu_mcan1_rx_pins_default: mcu-mcan1-rx-default-pins {
pinctrl-single,pins = <
AM62DX_MCU_IOPAD(0x0040, PIN_INPUT, 0) /* (B9) MCU_MCAN1_RX */
>;
};
mcu_mcan1_rx_pins_wakeup: mcu-mcan1-rx-wakeup-pins {
pinctrl-single,pins = <
AM62DX_MCU_IOPAD(0x040, PIN_INPUT | PIN_WKUP_EN, 0) /* (B9) MCU_MCAN1_RX */
>;
};
pmic_irq_pins_default: pmic-irq-default-pins {
pinctrl-single,pins = <
AM62DX_IOPAD(0x01f4, PIN_INPUT, 7) /* (F17) EXTINTn.GPIO1_31 */
@ -228,6 +264,10 @@ AM62DX_MCU_IOPAD(0x0050, PIN_INPUT, 0) /* (E13) WKUP_I2C0_SDA */
&wkup_uart0 {
pinctrl-names = "default";
pinctrl-0 = <&wkup_uart0_pins_default>;
wakeup-source = <&system_io_ddr>,
<&system_deep_sleep>,
<&system_mcu_only>,
<&system_standby>;
bootph-all;
status = "reserved";
};
@ -737,4 +777,33 @@ &c7x_0 {
firmware-name = "am62d-c71_0-fw";
};
&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>;
};
&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>;
};
&mcu_uart0 {
wakeup-source = <&system_io_ddr>,
<&system_deep_sleep>,
<&system_mcu_only>,
<&system_standby>;
};
#include "k3-am62a-ti-ipc-firmware.dtsi"