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

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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: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230419040007.3022780-3-u-kumar1@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Udit Kumar
2023-04-19 09:30:07 +05:30
committed by Vignesh Raghavendra
parent 3d01193300
commit 2f932d4151
1 changed files with 21 additions and 0 deletions
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21
arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
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@@ -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>;