Commit 0c704ebc authored by Wolfram Sang's avatar Wolfram Sang Committed by Geert Uytterhoeven
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ARM: dts: renesas: r9a06g032-rzn1d400-db: Describe I2C bus 



Schematics mention a 24cs64 on the bus, but I definitely have only a
24c64. So, it is only mentioned as a comment.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250328153134.2881-9-wsa+renesas@sang-engineering.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent 182f0dc5

arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts

+44 −0
Original line number Diff line number Diff line
@@ -57,6 +57,44 @@ fixed-link { 
	};

};



&i2c2 {

	pinctrl-0 = <&pins_i2c2>;

	pinctrl-names = "default";

	status = "okay";

	clock-frequency = <400000>;



	pca9698: gpio@20 {

		compatible = "nxp,pca9698";

		reg = <0x20>;

		gpio-controller;

		#gpio-cells = <2>;



		/* configure the analog switch to let i2c2 access the eeprom */

		max4662-in1-hog {

			gpio-hog;

			gpios = <16 0>;

			output-high;

		};

		max4662-in2-hog {

			gpio-hog;

			gpios = <17 0>;

			output-low;

		};

		max4662-in3-hog {

			gpio-hog;

			gpios = <18 0>;

			output-low;

		};

	};



	/* Some revisions may have a 24cs64 at address 0x58 */

	eeprom@50 {

		compatible = "atmel,24c64";

		pagesize = <32>;

		reg = <0x50>;

	};

};



&mii_conv4 {

	renesas,miic-input = <MIIC_SWITCH_PORTB>;

	status = "okay";
@@ -114,6 +152,12 @@ pins_eth4: pins_eth4 { 
		bias-disable;

	};



	pins_i2c2: pins_i2c2 {

		pinmux = <RZN1_PINMUX(115, RZN1_FUNC_I2C)>,

			 <RZN1_PINMUX(116, RZN1_FUNC_I2C)>;

		drive-strength = <12>;

	};



	pins_mdio1: pins_mdio1 {

		pinmux = <RZN1_PINMUX(152, RZN1_FUNC_MDIO1_SWITCH)>,

			 <RZN1_PINMUX(153, RZN1_FUNC_MDIO1_SWITCH)>;