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// SPDX-License-Identifier: GPL-2.0
/**
* AM62 family of devices can wakeup from I/O Only + DDR low power mode via
* multiple wakeup sources. This overlay enables mcu_mcan pins to be used
* as wakeup source.
*
* Copyright (C) 2025 Texas Instruments Incorporated - http://www.ti.com/
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include "k3-pinctrl.h"
&mcu_pmx0 {
mcu_mcan0_tx_pins_default: mcu-mcan0-tx-pins-default {
pinctrl-single,pins = <
AM62X_IOPAD(0x034, PIN_OUTPUT, 0) /* (D6) MCU_MCAN0_TX */
>;
};
mcu_mcan0_rx_pins_default: mcu-mcan0-rx-pins-default {
pinctrl-single,pins = <
AM62X_IOPAD(0x038, PIN_INPUT, 0) /* (B3) MCU_MCAN0_RX */
>;
};
mcu_mcan0_rx_pins_wakeup: mcu-mcan0-rx-pins-wakeup {
pinctrl-single,pins = <
AM62X_IOPAD(0x038, PIN_INPUT | PIN_WKUP_EN, 0) /* (B3) MCU_MCAN0_RX */
>;
};
mcu_mcan1_tx_pins_default: mcu-mcan1-tx-pins-default {
pinctrl-single,pins = <
AM62X_IOPAD(0x03c, PIN_OUTPUT, 0) /* (E5) MCU_MCAN1_TX */
>;
};
mcu_mcan1_rx_pins_default: mcu-mcan1-rx-pins-default {
pinctrl-single,pins = <
AM62X_IOPAD(0x040, PIN_INPUT, 0) /* (D4) MCU_MCAN1_RX */
>;
};
mcu_mcan1_rx_pins_wakeup: mcu-mcan1-rx-pins-wakeup {
pinctrl-single,pins = <
AM62X_IOPAD(0x040, PIN_INPUT | PIN_WKUP_EN, 0) /* (D4) MCU_MCAN1_RX */
>;
};
};
&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 = "suspend", "poweroff";
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 = "suspend", "poweroff";
status = "okay";
};
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