arm64: dts: ti: k3-j721s2-som-p0: Enable wakeup_i2c0 and eeprom

Enable wakeup_i2c and use un-used pinmux. While at it, describe the
board detection eeprom present on the board.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230602153554.1571128-7-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
index d473d79..c1a6c36 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
@@ -61,6 +61,15 @@
        };
 };
 
+&wkup_pmx2 {
+       wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_WKUP_IOPAD(0x98, PIN_INPUT, 0) /* (H24) WKUP_I2C0_SCL */
+                       J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (H27) WKUP_I2C0_SDA */
+               >;
+       };
+};
+
 &main_pmx0 {
        main_i2c0_pins_default: main-i2c0-pins-default {
                pinctrl-single,pins = <
@@ -77,6 +86,19 @@
        };
 };
 
+&wkup_i2c0 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&wkup_i2c0_pins_default>;
+       clock-frequency = <400000>;
+
+       eeprom@50 {
+               /* CAV24C256WE-GT3 */
+               compatible = "atmel,24c256";
+               reg = <0x50>;
+       };
+};
+
 &main_i2c0 {
        status = "okay";
        pinctrl-names = "default";