Commit cf39ff15 authored by Nishanth Menon's avatar Nishanth Menon Committed by Vignesh Raghavendra
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arm64: dts: ti: k3-am62a7-sk: Describe main_uart1 and wkup_uart 



wkup_uart and main_uart1 on this platform is used by tifs and DM
firmwares. Describe them for completeness including the pinmux.

Signed-off-by: default avatarNishanth Menon <nm@ti.com>
[bb@ti.com: updated pinmux and commit subject]
Signed-off-by: default avatarBryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230425221708.549675-1-bb@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 13fdc081

arch/arm64/boot/dts/ti/k3-am62a7-sk.dts

+38 −2
Original line number Diff line number Diff line
@@ -17,7 +17,9 @@ / { 
	model = "Texas Instruments AM62A7 SK";



	aliases {

		serial0 = &wkup_uart0;

		serial2 = &main_uart0;

		serial3 = &main_uart1;

		mmc1 = &sdhci1;

	};
@@ -114,11 +116,38 @@ led-0 { 
	};

};



&mcu_pmx0 {

	wkup_uart0_pins_default: wkup-uart0-pins-default {

		pinctrl-single,pins = <

			AM62AX_MCU_IOPAD(0x0024, PIN_INPUT, 0) /* (C9) WKUP_UART0_RXD */

			AM62AX_MCU_IOPAD(0x0028, PIN_OUTPUT, 0) /* (E9) WKUP_UART0_TXD */

			AM62AX_MCU_IOPAD(0x002c, PIN_INPUT, 0) /* (C10) WKUP_UART0_CTSn */

			AM62AX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C8) WKUP_UART0_RTSn */

		>;

	};

};



/* WKUP UART0 is used for DM firmware logs */

&wkup_uart0 {

	pinctrl-names = "default";

	pinctrl-0 = <&wkup_uart0_pins_default>;

	status = "reserved";

};



&main_pmx0 {

	main_uart0_pins_default: main-uart0-pins-default {

		pinctrl-single,pins = <

			AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14) UART0_RXD */

			AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */

			AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (E14) UART0_RXD */

			AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (D15) UART0_TXD */

		>;

	};



	main_uart1_pins_default: main-uart1-pins-default {

		pinctrl-single,pins = <

			AM62AX_IOPAD(0x01e8, PIN_INPUT, 1) /* (C17) I2C1_SCL.UART1_RXD */

			AM62AX_IOPAD(0x01ec, PIN_OUTPUT, 1) /* (E17) I2C1_SDA.UART1_TXD */

			AM62AX_IOPAD(0x0194, PIN_INPUT, 2) /* (C19) MCASP0_AXR3.UART1_CTSn */

			AM62AX_IOPAD(0x0198, PIN_OUTPUT, 2) /* (B19) MCASP0_AXR2.UART1_RTSn */

		>;

	};
@@ -254,6 +283,13 @@ &main_uart0 { 
	pinctrl-0 = <&main_uart0_pins_default>;

};



/* Main UART1 is used for TIFS firmware logs */

&main_uart1 {

	pinctrl-names = "default";

	pinctrl-0 = <&main_uart1_pins_default>;

	status = "reserved";

};



&usbss1 {

	status = "okay";

};