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arm64: dts: ti: k3-am62a7-sk: 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: Markus Schneider-Pargmann (TI.com) <msp@baylibre.com>
Link: https://patch.msgid.link/20251103-topic-am62-dt-partialio-v6-15-v5-5-b8d9ff5f2742@baylibre.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Markus Schneider-Pargmann (TI.com) 2025-11-03 13:39:32 +01:00 committed by Vignesh Raghavendra
parent 1f2f34b619
commit afb919a6b3
1 changed files with 69 additions and 0 deletions
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69
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
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@ -233,6 +233,10 @@
&wkup_uart0 {
pinctrl-names = "default";
pinctrl-0 = <&wkup_uart0_pins_default>;
wakeup-source = <&system_io_ddr>,
<&system_deep_sleep>,
<&system_mcu_only>,
<&system_standby>;
status = "reserved";
};
@ -426,6 +430,42 @@
AM62AX_MCU_IOPAD(0x000, PIN_INPUT, 7) /* (E11) MCU_GPIO0_0 */
>;
};
mcu_mcan0_tx_pins_default: mcu-mcan0-tx-default-pins {
pinctrl-single,pins = <
AM62AX_MCU_IOPAD(0x034, PIN_OUTPUT, 0) /* (D6) MCU_MCAN0_TX */
>;
};
mcu_mcan0_rx_pins_default: mcu-mcan0-rx-default-pins {
pinctrl-single,pins = <
AM62AX_MCU_IOPAD(0x038, PIN_INPUT, 0) /* (B3) MCU_MCAN0_RX */
>;
};
mcu_mcan0_rx_pins_wakeup: mcu-mcan0-rx-wakeup-pins {
pinctrl-single,pins = <
AM62AX_MCU_IOPAD(0x038, PIN_INPUT | PIN_WKUP_EN, 0) /* (B3) MCU_MCAN0_RX */
>;
};
mcu_mcan1_tx_pins_default: mcu-mcan1-tx-default-pins {
pinctrl-single,pins = <
AM62AX_MCU_IOPAD(0x03c, PIN_OUTPUT, 0) /* (E5) MCU_MCAN1_TX */
>;
};
mcu_mcan1_rx_pins_default: mcu-mcan1-rx-default-pins {
pinctrl-single,pins = <
AM62AX_MCU_IOPAD(0x040, PIN_INPUT, 0) /* (D4) MCU_MCAN1_RX */
>;
};
mcu_mcan1_rx_pins_wakeup: mcu-mcan1-rx-wakeup-pins {
pinctrl-single,pins = <
AM62AX_MCU_IOPAD(0x040, PIN_INPUT | PIN_WKUP_EN, 0) /* (D4) MCU_MCAN1_RX */
>;
};
};
&mcu_gpio0 {
@ -852,4 +892,33 @@
};
};
&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"