Commit 77643815 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

arm64: dts: renesas: white-hawk: Add I2C0 and EEPROMs 



Enable the I2C0 bus on the White Hawk CPU board, and describe the I2C
EEPROMs present on the White Hawk CPU and BreakOut boards.

Based on a larger patch in the BSP by Takeshi Kihara.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/d01cada6f2d3e44dd6cb26cfa8e4ce6382f1fbff.1662715538.git.geert+renesas@glider.be
parent ff77ba05

arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi

+20 −0
Original line number Diff line number Diff line
@@ -40,6 +40,21 @@ &hscif0 { 
	status = "okay";

};



&i2c0 {

	pinctrl-0 = <&i2c0_pins>;

	pinctrl-names = "default";



	status = "okay";

	clock-frequency = <400000>;



	eeprom@50 {

		compatible = "rohm,br24g01", "atmel,24c01";

		label = "cpu-board";

		reg = <0x50>;

		pagesize = <8>;

	};

};



&pfc {

	pinctrl-0 = <&scif_clk_pins>;

	pinctrl-names = "default";
@@ -49,6 +64,11 @@ hscif0_pins: hscif0 { 
		function = "hscif0";

	};



	i2c0_pins: i2c0 {

		groups = "i2c0";

		function = "i2c0";

	};



	scif_clk_pins: scif_clk {

		groups = "scif_clk";

		function = "scif_clk";

arch/arm64/boot/dts/renesas/r8a779g0-white-hawk.dts

+9 −0
Original line number Diff line number Diff line
@@ -20,3 +20,12 @@ chosen { 
		stdout-path = "serial0:921600n8";

	};

};



&i2c0 {

	eeprom@51 {

		compatible = "rohm,br24g01", "atmel,24c01";

		label = "breakout-board";

		reg = <0x51>;

		pagesize = <8>;

	};

};