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// SPDX-License-Identifier: GPL-2.0
/**
* AM62 family of devices can wakeup from Low Power Modes via
* multiple wakeup sources. This overlay enables MAIN GPIO, MCU GPIO,
* and MCU MCAN pins.
*
* Copyright (C) 2023 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"
&{/} {
gpio_key {
compatible = "gpio-keys";
autorepeat;
pinctrl-names = "default";
pinctrl-0 = <&main_gpio1_pins_default>;
switch {
label = "WKGPIO";
linux,code = <KEY_WAKEUP>;
interrupts-extended = <&main_gpio1 10 IRQ_TYPE_EDGE_RISING>,
<&main_pmx0 0x1a0>;
interrupt-names = "irq", "wakeup";
};
};
mcu_gpio_key {
compatible = "gpio-keys";
autorepeat;
pinctrl-names = "default";
pinctrl-0 = <&wake_mcugpio1_pins_default>;
interrupt-parent = <&mcu_gpio0>;
interrupts = <4 IRQ_TYPE_EDGE_RISING>;
switch {
label = "MCUGPIO";
linux,code = <143>;
gpios = <&mcu_gpio0 4 GPIO_ACTIVE_LOW>;
wakeup-source;
};
};
};
&main_pmx0 {
main_gpio1_pins_default: main-gpio1-pins-default {
pinctrl-single,pins = <
AM62X_IOPAD(0x1a0, PIN_INPUT_PULLUP, 7) /* (E18) MCASP0_AXR0.EHRPWM1_B */
>;
};
};
&mcu_pmx0 {
wake_mcugpio1_pins_default: wake-mcugpio1-pins-default {
pinctrl-single,pins = <
AM62X_MCU_IOPAD(0x0010, PIN_INPUT, 7) /* (D8) MCU_SPI0_D1.MCU_GPIO0_4 */
>;
};
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_gpio0 {
status = "okay";
};
&mcu_gpio_intr {
status = "okay";
};
&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";
};
|
