Commit 6fa5d37a authored by Nishanth Menon's avatar Nishanth Menon Committed by Vignesh Raghavendra
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arm64: dts: ti: k3-j784s4-evm: Add mcu and wakeup uarts 



Add wakeup and MCU uart. 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/20230602214937.2349545-3-nm@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 14462bd0

arch/arm64/boot/dts/ti/k3-j784s4-evm.dts

+33 −0
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ chosen { 
	};



	aliases {

		serial0 = &wkup_uart0;

		serial1 = &mcu_uart0;

		serial2 = &main_uart8;

		mmc0 = &main_sdhci0;

		mmc1 = &main_sdhci1;
@@ -286,6 +288,24 @@ J784S4_IOPAD(0x020, PIN_INPUT, 7) /* (AJ35) MCAN15_RX.GPIO0_8 */ 
};



&wkup_pmx2 {

	wkup_uart0_pins_default: wkup-uart0-pins-default {

		pinctrl-single,pins = <

			J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (L37) WKUP_GPIO0_6.WKUP_UART0_CTSn */

			J721S2_WKUP_IOPAD(0x074, PIN_INPUT, 0) /* (L36) WKUP_GPIO0_7.WKUP_UART0_RTSn */

			J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (K35) WKUP_UART0_RXD */

			J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (K34) WKUP_UART0_TXD */

		>;

	};



	mcu_uart0_pins_default: mcu-uart0-pins-default {

		pinctrl-single,pins = <

			J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (H37) WKUP_GPIO0_14.MCU_UART0_CTSn */

			J784S4_WKUP_IOPAD(0x094, PIN_OUTPUT, 0) /* (K37) WKUP_GPIO0_15.MCU_UART0_RTSn */

			J784S4_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (K38) WKUP_GPIO0_13.MCU_UART0_RXD */

			J784S4_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (J37) WKUP_GPIO0_12.MCU_UART0_TXD */

		>;

	};



	mcu_cpsw_pins_default: mcu-cpsw-pins-default {

		pinctrl-single,pins = <

			J784S4_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */
@@ -370,6 +390,19 @@ J784S4_WKUP_IOPAD(0x044, PIN_INPUT, 0) /* (C31) MCU_OSPI1_LBCLKO */ 
	};

};



&wkup_uart0 {

	/* Firmware usage */

	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 {

	status = "okay";

	pinctrl-names = "default";