Commit fc14be96 authored by Lad Prabhakar's avatar Lad Prabhakar Committed by Geert Uytterhoeven
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arm64: dts: renesas: r9a09g087m44-rzt2h-evk: Enable I2C0 and I2C1 support 



Enable I2C0 and I2C1 on the RZ/N2H evaluation board.

Signed-off-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250820200659.2048755-6-prabhakar.mahadev-lad.rj@bp.renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent 1366c160

arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts

+56 −0
Original line number Diff line number Diff line
@@ -10,6 +10,14 @@ 
#include "r9a09g087m44.dtsi"

#include "rzt2h-n2h-evk-common.dtsi"



/*

 * I2C0 and LED8/9 share the same pins use the below

 * macro to choose (and set approopriate DIP switches).

 */

#define I2C0	1

#define LED8	(!I2C0)

#define LED9	(!I2C0)



/ {

	model = "Renesas RZ/N2H EVK Board based on r9a09g087m44";

	compatible = "renesas,rzn2h-evk", "renesas,r9a09g087m44", "renesas,r9a09g087";
@@ -60,6 +68,7 @@ led-7 { 
			function-enumerator = <8>;

		};



#if LED8

		led-8 {

			/*

			 * USER_LED0
@@ -70,7 +79,9 @@ led-8 { 
			function = LED_FUNCTION_DEBUG;

			function-enumerator = <0>;

		};

#endif



#if LED9

		led-9 {

			/*

			 * USER_LED1
@@ -81,6 +92,7 @@ led-9 { 
			function = LED_FUNCTION_DEBUG;

			function-enumerator = <1>;

		};

#endif



		led-10 {

			/*
@@ -105,3 +117,47 @@ led-11 { 
		};

	};

};



#if I2C0

&i2c0 {

	pinctrl-0 = <&i2c0_pins>;

	pinctrl-names = "default";

	clock-frequency = <400000>;

	status = "okay";

};

#endif



&i2c1 {

	pinctrl-0 = <&i2c1_pins>;

	pinctrl-names = "default";

	clock-frequency = <400000>;

	status = "okay";

};



&pinctrl {

	/*

	 * I2C0 Pin Configuration:

	 * ------------------------

	 * Signal | Pin     | DSW15

	 * -------|---------|--------------

	 * SCL    | P14_6   | 8: OFF, 9: ON, 10: OFF

	 * SDA    | P14_7   | 5: ON, 6: OFF

	 */

	i2c0_pins: i2c0-pins {

		pinmux = <RZT2H_PORT_PINMUX(14, 6, 0x17)>,

			 <RZT2H_PORT_PINMUX(14, 7, 0x17)>;

	};



	/*

	 * I2C1 Pin Configuration:

	 * ------------------------

	 * Signal | Pin     | DSW7

	 * -------|---------|--------------

	 * SCL    | P03_3   | 1: ON, 2: OFF

	 * SDA    | P03_4   | 3: ON, 4: OFF

	 */

	i2c1_pins: i2c1-pins {

		pinmux = <RZT2H_PORT_PINMUX(3, 3, 0x17)>,

			 <RZT2H_PORT_PINMUX(3, 4, 0x17)>;

	};

};