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arm64: dts: ti: k3-j721e-beagleboneai64: Add wakeup_uart pinmux

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Define the wakeup uart pin-mux for completeness. This allows the
device tree usage in bootloader and firmwares that can configure the
same appropriately.

Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20230601183151.1000157-7-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Nishanth Menon 2023-06-01 13:31:48 -05:00 committed by Vignesh Raghavendra
parent b04b18ccb3
commit 4c2c99026c
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
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@ -20,6 +20,7 @@ / {
model = "BeagleBoard.org BeagleBone AI-64";
aliases {
serial0 = &wkup_uart0;
serial2 = &main_uart0;
mmc0 = &main_sdhci0;
mmc1 = &main_sdhci1;
@ -531,6 +532,13 @@ J721E_WKUP_IOPAD(0xfc, PIN_INPUT_PULLUP, 0) /* (H24) WKUP_I2C0_SDA */
>;
};
wkup_uart0_pins_default: wkup-uart0-pins-default {
pinctrl-single,pins = <
J721E_WKUP_IOPAD(0xa0, PIN_INPUT, 0) /* (J29) WKUP_UART0_RXD */
J721E_WKUP_IOPAD(0xa4, PIN_OUTPUT, 0) /* (J28) WKUP_UART0_TXD */
>;
};
mcu_usbss1_pins_default: mcu-usbss1-pins-default {
pinctrl-single,pins = <
J721E_WKUP_IOPAD(0x3c, PIN_OUTPUT_PULLUP, 5) /* (A23) MCU_OSPI1_LBCLKO.WKUP_GPIO0_30 */
@ -541,6 +549,8 @@ J721E_WKUP_IOPAD(0x3c, PIN_OUTPUT_PULLUP, 5) /* (A23) MCU_OSPI1_LBCLKO.WKUP_GPIO
&wkup_uart0 {
/* Wakeup UART is used by TIFS firmware. */
status = "reserved";
pinctrl-names = "default";
pinctrl-0 = <&wkup_uart0_pins_default>;
};
&main_uart0 {