tests: drivers: i2c: Add support for i2c_api on mck_ra8t2

Add support for test app "i2c_api" on Renesas mck_ra8t2

Signed-off-by: Khoa Tran <[email protected]>

Author: khoatranyj

tests/drivers/i2c/i2c_api/boards/mck_ra8t2_r7ka8t2lfecac_cm85.conf

@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_SENSOR_GY271_QMC=y

tests/drivers/i2c/i2c_api/boards/mck_ra8t2_r7ka8t2lfecac_cm85.overlay

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		i2c-0 = &iic1;
+		gy271 = &iic1;
+	};
+};
+
+&pinctrl {
+	iic1_default: iic1_default {
+		group1 {
+			/* SCL1 SDA1*/
+			psels = <RA_PSEL(RA_PSEL_I2C, 2, 5)>,
+				<RA_PSEL(RA_PSEL_I2C, 2, 4)>;
+			drive-strength = "medium";
+			drive-open-drain;
+		};
+	};
+};
+
+&iic1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <DT_FREQ_M(1)>;
+	pinctrl-0 = <&iic1_default>;
+	pinctrl-names = "default";
+	interrupts = <92 1>, <93 1>, <94 1>, <95 1>;
+	interrupt-names = "rxi", "txi", "tei", "eri";
+	status = "okay";
+};

tests/drivers/i2c/i2c_api/boards/mck_ra8t2_r7ka8t2lfecac_cm85_sci_b_i2c.conf

@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_SENSOR_GY271_QMC=y

tests/drivers/i2c/i2c_api/boards/mck_ra8t2_r7ka8t2lfecac_cm85_sci_b_i2c.overlay

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		i2c-0 = &i2c0;
+		gy271 = &i2c0;
+	};
+};
+
+&pinctrl {
+	sci0_default: sci0_default {
+		group1 {
+			/* SDA0 SCL0*/
+			psels = <RA_PSEL(RA_PSEL_SCI_0, 6, 3)>,
+				<RA_PSEL(RA_PSEL_SCI_0, 6, 2)>;
+			drive-strength = "medium";
+			drive-open-drain;
+		};
+	};
+};
+
+&sci0 {
+	pinctrl-0 = <&sci0_default>;
+	pinctrl-names = "default";
+	interrupts = <95 1>, <94 1>, <93 1>;
+	interrupt-names = "rxi", "txi", "tei";
+	status = "okay";
+
+	i2c0: i2c {
+		sda-output-delay = <300>;
+		noise-filter-clock-select = <1>;
+		bit-rate-modulation;
+		status = "okay";
+	};
+};

tests/drivers/i2c/i2c_api/testcase.yaml

@@ -27,6 +27,7 @@ tests:
     platform_allow:
       - ek_ra8p1/r7ka8p1kflcac/cm85
       - ek_ra8p1/r7ka8p1kflcac/cm33
+      - mck_ra8t2/r7ka8t2lfecac/cm85
     extra_args:
       - DTC_OVERLAY_FILE="./boards/${BOARD}${NORMALIZED_BOARD_QUALIFIERS}_sci_b_i2c.overlay"
       - CONF_FILE="./prj.conf ./boards/${BOARD}${NORMALIZED_BOARD_QUALIFIERS}_sci_b_i2c.conf"