Commit cbbda853 authored by Francesco Dolcini's avatar Francesco Dolcini Committed by Vignesh Raghavendra
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arm64: dts: ti: k3-am62p-verdin: Split UART_2 pinctrl group 



Some carrier board reuse the UART_2 control signals as GPIO, split
the pinctrl RTS/CTS in separated nodes to maximize flexibility.

Signed-off-by: default avatarFrancesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260324093705.26730-6-francesco@dolcini.it


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 4abc2f22

arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi

+18 −4
Original line number Diff line number Diff line
@@ -767,15 +767,27 @@ AM62PX_MCU_IOPAD(0x0084, PIN_OUTPUT, 0) /* (F13) WKUP_CLKOUT0 */ /* SODIMM 91 */ 
		>;

	};



	/* Verdin UART_2 */

	/* Verdin UART_2 RX/TX */

	pinctrl_wkup_uart0: wkup-uart0-default-pins {

		pinctrl-single,pins = <

			AM62PX_MCU_IOPAD(0x002c, PIN_INPUT,  0) /* (C7) WKUP_UART0_CTSn */ /* SODIMM 143 */

			AM62PX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C6) WKUP_UART0_RTSn */ /* SODIMM 141 */

			AM62PX_MCU_IOPAD(0x0024, PIN_INPUT,  0) /* (D8) WKUP_UART0_RXD  */ /* SODIMM 137 */

			AM62PX_MCU_IOPAD(0x0028, PIN_OUTPUT, 0) /* (D7) WKUP_UART0_TXD  */ /* SODIMM 139 */

		>;

	};



	/* Verdin UART_2 CTS */

	pinctrl_wkup_uart0_cts: wkup-uart0-cts-default-pins {

		pinctrl-single,pins = <

			AM62PX_MCU_IOPAD(0x002c, PIN_INPUT,  0) /* (C7) WKUP_UART0_CTSn */ /* SODIMM 143 */

		>;

	};



	/* Verdin UART_2 RTS */

	pinctrl_wkup_uart0_rts: wkup-uart0-rts-default-pins {

		pinctrl-single,pins = <

			AM62PX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C6) WKUP_UART0_RTSn */ /* SODIMM 141 */

		>;

	};

};



/* Verdin I2S_1_MCLK */
@@ -1410,7 +1422,9 @@ som_eeprom: eeprom@50 { 
/* Verdin UART_2 */

&wkup_uart0 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_wkup_uart0>;

	pinctrl-0 = <&pinctrl_wkup_uart0>,

		    <&pinctrl_wkup_uart0_cts>,

		    <&pinctrl_wkup_uart0_rts>;

	uart-has-rtscts;

	status = "disabled";

};