Commit b74d5d65 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

arm64: dts: renesas: spider-cpu: Add I2C4 and EEPROMs 



Enable the I2C4 bus on the Falcon CPU board, and describe the I2C EEPROMs
present on the Spider CPU and BreakOut boards.

Extracted from a larger patch in the BSP by LUU HOAI.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/6d8917e49f83b6a932970ca169100eb086d11f16.1643898884.git.geert+renesas@glider.be
parent bd044373

arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi

+20 −0
Original line number Diff line number Diff line
@@ -31,10 +31,30 @@ &extalr_clk { 
	clock-frequency = <32768>;

};



&i2c4 {

	pinctrl-0 = <&i2c4_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";



	i2c4_pins: i2c4 {

		groups = "i2c4";

		function = "i2c4";

	};



	scif3_pins: scif3 {

		groups = "scif3_data", "scif3_ctrl";

		function = "scif3";

arch/arm64/boot/dts/renesas/r8a779f0-spider.dts

+9 −0
Original line number Diff line number Diff line
@@ -20,3 +20,12 @@ chosen { 
		stdout-path = "serial0:115200n8";

	};

};



&i2c4 {

	eeprom@51 {

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

		label = "breakout-board";

		reg = <0x51>;

		pagesize = <8>;

	};

};