arm64: dts: ti: k3-j784s4-evm: 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/20230602214937.2349545-4-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index de7c44a..09f052c 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -25,6 +25,7 @@
                serial2 = &main_uart8;
                mmc0 = &main_sdhci0;
                mmc1 = &main_sdhci1;
+               i2c0 = &wkup_i2c0;
                i2c3 = &main_i2c0;
        };
 
@@ -297,6 +298,13 @@
                >;
        };
 
+       wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+               pinctrl-single,pins = <
+                       J721S2_WKUP_IOPAD(0x98, PIN_INPUT, 0) /* (N33) WKUP_I2C0_SCL */
+                       J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */
+               >;
+       };
+
        mcu_uart0_pins_default: mcu-uart0-pins-default {
                pinctrl-single,pins = <
                        J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (H37) WKUP_GPIO0_14.MCU_UART0_CTSn */
@@ -397,6 +405,19 @@
        pinctrl-0 = <&wkup_uart0_pins_default>;
 };
 
+&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>;
+       };
+};
+
 &mcu_uart0 {
        status = "okay";
        pinctrl-names = "default";