Commit e578a363 authored by Biju Das's avatar Biju Das Committed by Geert Uytterhoeven
Browse files

arm64: dts: renesas: rzg2ul-smarc: Add support for enabling MTU3 



Add support for PMOD_MTU3 macro to enable MTU3 node on RZ/G2UL SMARC
EVK.

The MTU3a PWM pins on PMOD0 are muxed with SPI1. Disable SPI1, when
PMOD_MTU3 macro is enabled.

Signed-off-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230727081848.100834-6-biju.das.jz@bp.renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent a4c125a8

arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts

+11 −0
Original line number Diff line number Diff line
@@ -17,6 +17,17 @@ 
#define SW_SW0_DEV_SEL	1

#define SW_ET0_EN_N	1



/*

 * To enable MTU3a PWM on PMOD0,

 *  - Set DIP-Switch SW1-3 to On position.

 *  - Set PMOD_MTU3 macro to 1.

 */

#define PMOD_MTU3	0



#if (PMOD_MTU3 && !SW_ET0_EN_N)

#error "Cannot set as both PMOD_MTU3 and !SW_ET0_EN_N are mutually exclusive"

#endif



#include "r9a07g043u.dtsi"

#include "rzg2ul-smarc-som.dtsi"

#include "rzg2ul-smarc.dtsi"

arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi

+6 −0
Original line number Diff line number Diff line
@@ -50,6 +50,12 @@ i2c1_pins: i2c1 { 
		input-enable;

	};



	mtu3_pins: mtu3 {

		mtu2-pwm {

			pinmux = <RZG2L_PORT_PINMUX(4, 0, 4)>; /* MTIOC2A */

		};

	};



	scif0_pins: scif0 {

		pinmux = <RZG2L_PORT_PINMUX(6, 4, 6)>, /* TxD */

			 <RZG2L_PORT_PINMUX(6, 3, 6)>; /* RxD */

arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi

+13 −0
Original line number Diff line number Diff line
@@ -28,6 +28,19 @@ wm8978: codec@1a { 
	};

};



#if PMOD_MTU3

&mtu3 {

	pinctrl-0 = <&mtu3_pins>;

	pinctrl-names = "default";



	status = "okay";

};



&spi1 {

	status = "disabled";

};

#endif



#if (SW_ET0_EN_N)

&ssi1 {

	pinctrl-0 = <&ssi1_pins>;