Commit fa00d6dc authored by Biju Das's avatar Biju Das Committed by Geert Uytterhoeven
Browse files

arm64: dts: renesas: rzg2lc-smarc: Enable SCIF1 on carrier board 



SCIF1 interface is available on PMOD1 connector (CN7) on carrier board.

This patch adds pinmux and scif1 node to carrier board dtsi file for
RZ/G2LC SMARC EVK.

Signed-off-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220203170636.7747-4-biju.das.jz@bp.renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent 2ed3b5d9

arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi

+7 −0
Original line number Diff line number Diff line
@@ -17,6 +17,13 @@ scif0_pins: scif0 { 
			 <RZG2L_PORT_PINMUX(38, 1, 1)>;	/* RxD */

	};



	scif1_pins: scif1 {

		pinmux = <RZG2L_PORT_PINMUX(40, 0, 1)>, /* TxD */

			 <RZG2L_PORT_PINMUX(40, 1, 1)>, /* RxD */

			 <RZG2L_PORT_PINMUX(41, 0, 1)>, /* CTS# */

			 <RZG2L_PORT_PINMUX(41, 1, 1)>; /* RTS# */

	};



	sd1-pwr-en-hog {

		gpio-hog;

		gpios = <RZG2L_GPIO(39, 2) GPIO_ACTIVE_HIGH>;

arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi

+26 −0
Original line number Diff line number Diff line
@@ -34,3 +34,29 @@ 
#include "rzg2lc-smarc-som.dtsi"

#include "rzg2lc-smarc-pinfunction.dtsi"

#include "rz-smarc-common.dtsi"



/* comment the #define statement to disable SCIF1 (SER0) on PMOD1 (CN7) */

#define PMOD1_SER0	1



/ {

	aliases {

		serial1 = &scif1;

	};

};



/*

 * To enable SCIF1 (SER0) on PMOD1 (CN7), On connector board

 * SW1 should be at position 2->3 so that SER0_CTS# line is activated

 * SW2 should be at position 2->3 so that SER0_TX line is activated

 * SW3 should be at position 2->3 so that SER0_RX line is activated

 * SW4 should be at position 2->3 so that SER0_RTS# line is activated

 */

#if (!SW_SCIF_CAN && PMOD1_SER0)

&scif1 {

	pinctrl-0 = <&scif1_pins>;

	pinctrl-names = "default";



	uart-has-rtscts;

	status = "okay";

};

#endif