Commit 2f932d41 authored by Udit Kumar's avatar Udit Kumar Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: k3-j7200-som: Enable I2C 

This patch enables wkup_i2c0 node in board dts file
along with pin mux and speed.
Also enables underneath eeprom CAV24C256WE.

J7200 Datasheet (Table 6-106, Section 6.4 Pin Multiplexing) :
https://www.ti.com/lit/ds/symlink/dra821u.pdf

J7200 User Guide (Section 4.3, Table 4-2) :
https://www.ti.com/lit/ug/spruiw7a/spruiw7a.pdf



Signed-off-by: default avatarUdit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230419040007.3022780-3-u-kumar1@ti.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 3d011933

arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi

+21 −0
Original line number Diff line number Diff line
@@ -118,6 +118,15 @@ J721E_WKUP_IOPAD(0x0008, PIN_INPUT, 0) /* MCU_OSPI0_DQS */ 
	};

};



&wkup_pmx2 {

	wkup_i2c0_pins_default: wkup-i2c0-pins-default {

			pinctrl-single,pins = <

			J721E_WKUP_IOPAD(0x98, PIN_INPUT_PULLUP, 0) /* (F20) WKUP_I2C0_SCL */

			J721E_WKUP_IOPAD(0x9c, PIN_INPUT_PULLUP, 0) /* (H21) WKUP_I2C0_SDA */

		>;

	};

};



&main_pmx0 {

	main_i2c0_pins_default: main-i2c0-pins-default {

		pinctrl-single,pins = <
@@ -214,6 +223,18 @@ exp_som: gpio@21 { 
	};

};



&wkup_i2c0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&wkup_i2c0_pins_default>;

	clock-frequency = <400000>;



	eeprom@50 {

		compatible = "atmel,24c256";

		reg = <0x50>;

	};

};



&ospi0 {

	pinctrl-names = "default";

	pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;