Commit 4c8c2471 authored by Nishanth Menon's avatar Nishanth Menon Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: k3-am68-sk-base-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: default avatarNishanth Menon <nm@ti.com>
Reviewed-by: default avatarUdit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230602153554.1571128-4-nm@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 92fee724

arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts

+26 −0
Original line number Diff line number Diff line
@@ -22,6 +22,8 @@ chosen { 
	};



	aliases {

		serial0 = &wkup_uart0;

		serial1 = &mcu_uart0;

		serial2 = &main_uart8;

		mmc1 = &main_sdhci1;

		can0 = &mcu_mcan0;
@@ -202,6 +204,15 @@ J721S2_IOPAD(0x08c, PIN_INPUT, 7) /* (T25) MCASP0_AXR7.GPIO0_35 */ 
};



&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_cpsw_pins_default: mcu-cpsw-pins-default {

		pinctrl-single,pins = <

			J721S2_WKUP_IOPAD(0x02C, PIN_INPUT, 0) /* (B22) MCU_RGMII1_RD0 */
@@ -254,6 +265,13 @@ J721S2_WKUP_IOPAD(0x07c, PIN_INPUT, 0) /* (H26) WKUP_GPIO0_9.MCU_I2C1_SDA */ 
		>;

	};



	mcu_uart0_pins_default: mcu-uart0-pins-default {

		pinctrl-single,pins = <

			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_rpi_header_gpio0_pins0_default: mcu-rpi-header-gpio0-pins0-default {

		pinctrl-single,pins = <

			J721S2_WKUP_IOPAD(0x118, PIN_INPUT, 7) /* (G25) WKUP_GPIO0_66 */
@@ -305,6 +323,14 @@ &wkup_gpio1 { 


&wkup_uart0 {

	status = "reserved";

	pinctrl-names = "default";

	pinctrl-0 = <&wkup_uart0_pins_default>;

};



&mcu_uart0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&mcu_uart0_pins_default>;

};



&main_uart8 {