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arm64: dts: ti: k3-j721s2-common-proc-board: Add uart pinmux 

Define the wakeup uart pin-mux for completeness and add explicit
muxing for mcu_uart0. This allows the device tree usage in bootloader
and firmwares that can configure the same appropriately.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230602153554.1571128-6-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Nishanth Menon 2023-06-02 10:35:53 -05:00 committed by Vignesh Raghavendra
parent 7d9b3820d7
commit f5e9ee0b35
1 changed files with 22 additions and 1 deletions
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23
arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
View File

@ -155,6 +155,24 @@
};
&wkup_pmx2 {
wkup_uart0_pins_default: wkup-uart0-pins-default {
pinctrl-single,pins = <
J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (E25) WKUP_GPIO0_6.WKUP_UART0_CTSn */
J721S2_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (F28) WKUP_GPIO0_7.WKUP_UART0_RTSn */
J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (D28) WKUP_UART0_RXD */
J721S2_WKUP_IOPAD(0x04c, PIN_OUTPUT, 0) /* (D27) WKUP_UART0_TXD */
>;
};
mcu_uart0_pins_default: mcu-uart0-pins-default {
pinctrl-single,pins = <
J721S2_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (B24) WKUP_GPIO0_14.MCU_UART0_CTSn */
J721S2_WKUP_IOPAD(0x094, PIN_OUTPUT, 0) /* (D25) WKUP_GPIO0_15.MCU_UART0_RTSn */
J721S2_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (C24) WKUP_GPIO0_13.MCU_UART0_RXD */
J721S2_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (C25) WKUP_GPIO0_12.MCU_UART0_TXD */
>;
};
mcu_cpsw_pins_default: mcu-cpsw-pins-default {
pinctrl-single,pins = <
J721S2_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (B22) MCU_RGMII1_RD0 */
@ -265,11 +283,14 @@
&wkup_uart0 {
status = "reserved";
pinctrl-names = "default";
pinctrl-0 = <&wkup_uart0_pins_default>;
};
&mcu_uart0 {
status = "okay";
/* Default pinmux */
pinctrl-names = "default";
pinctrl-0 = <&mcu_uart0_pins_default>;
};
&main_uart8 {