tests: drivers: i2c_target_api: boards: add support for nucleo_h753zi

- enable i2c2 node in dts
- add .conf and .overlay with appropriate configurations for
  nucleo_h753zi.
- update testcase.yaml file for CI testing

Signed-off-by: Fabrice DJIATSA <[email protected]>

Author: djiatsaf-st

boards/st/nucleo_h753zi/nucleo_h753zi.dts

@@ -144,6 +144,13 @@ zephyr_udc0: &usbotg_fs {
 	clock-frequency = <I2C_BITRATE_FAST>;
 };
 
+&i2c2 {
+	pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;
+	pinctrl-names = "default";
+	status = "okay";
+	clock-frequency = <I2C_BITRATE_FAST>;
+};
+
 &timers12 {
 	st,prescaler = <10000>;
 	status = "okay";

tests/drivers/i2c/i2c_target_api/boards/nucleo_h753zi.conf

@@ -0,0 +1,2 @@
+CONFIG_I2C_STM32_INTERRUPT=y
+CONFIG_I2C_VIRTUAL=n

tests/drivers/i2c/i2c_target_api/boards/nucleo_h753zi.overlay

@@ -0,0 +1,32 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2025 STMicroelectronics
+ *
+ */
+
+/* I2C bus pins are exposed on the ST morpho header.
+ *
+ *  Bus        SDA               SCL
+ *          Pin   Hdr         Pin   Hdr
+ *  i2c1    PB9   CN7:4      PB8   CN7:2
+ *  i2c2    PB11  CN10:34    PB10  CN10:32
+ *
+ * Short Pin PB9 to PB11, and PB8 to PB10, for the test to pass.
+ */
+
+&i2c1 {
+	eeprom0: eeprom@54 {
+		compatible = "zephyr,i2c-target-eeprom";
+		reg = <0x54>;
+		size = <256>;
+	};
+};
+
+&i2c2 {
+	eeprom1: eeprom@56 {
+		compatible = "zephyr,i2c-target-eeprom";
+		reg = <0x56>;
+		size = <256>;
+	};
+};

tests/drivers/i2c/i2c_target_api/testcase.yaml

@@ -25,13 +25,14 @@ tests:
       - nucleo_f401re
       - nucleo_f429zi
       - nucleo_h503rb
-      - nucleo_wl55jc
+      - nucleo_h753zi
       - nucleo_l073rz
       - nucleo_l152re
       - nucleo_u083rc
       - nucleo_u385rg_q
       - nucleo_wba55cg
       - nucleo_wb55rg
+      - nucleo_wl55jc
       - rpi_pico
       - sltb010a@0
       - mr_canhubk3