boards: nxp: mimxrt1180_evk: add lpi2c2/3 pinmux

add lpi2c2/3 pinmux

Signed-off-by: Lucien Zhao <lucien.zhao@nxp.com>

boards/nxp/mimxrt1180_evk/doc/index.rst

@@ -106,6 +106,8 @@ already supported, which can also be re-used on this mimxrt1180_evk board:
 | UART      | on-chip    | serial port-polling;                |
 |           |            | serial port-interrupt               |
 +-----------+------------+-------------------------------------+
+| I2C       | on-chip    | i2c                                 |
++-----------+------------+-------------------------------------+
 
 The default configuration can be found in the defconfig file:
 :zephyr_file:`boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm33_defconfig`

boards/nxp/mimxrt1180_evk/mimxrt1180_evk-pinctrl.dtsi

@@ -40,4 +40,27 @@
 			slew-rate = "fast";
 		};
 	};
+
+	/* Connected to FXLS8974 */
+	pinmux_lpi2c2: pinmux_lpi2c2 {
+		group0 {
+			pinmux = <&iomuxc_aon_gpio_aon_15_lpi2c2_sda>,
+				<&iomuxc_aon_gpio_aon_16_lpi2c2_scl>;
+			drive-strength = "normal";
+			drive-open-drain;
+			slew-rate = "fast";
+			input-enable;
+		};
+	};
+
+	pinmux_lpi2c3: pinmux_lpi2c3 {
+		group0 {
+			pinmux = <&iomuxc_gpio_ad_18_lpi2c3_scl>,
+				<&iomuxc_gpio_ad_19_lpi2c3_sda>;
+			drive-strength = "normal";
+			drive-open-drain;
+			slew-rate = "fast";
+			input-enable;
+		};
+	};
 };

boards/nxp/mimxrt1180_evk/mimxrt1180_evk.dtsi

@@ -71,3 +71,13 @@
 		write-block-size = <1>;
 	};
 };
+
+&lpi2c2 {
+	pinctrl-0 = <&pinmux_lpi2c2>;
+	pinctrl-names = "default";
+};
+
+&lpi2c3 {
+	pinctrl-0 = <&pinmux_lpi2c3>;
+	pinctrl-names = "default";
+};

boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm33.yaml

@@ -17,4 +17,5 @@ flash: 16384
 supported:
   - gpio
   - uart
+  - i2c
 vendor: nxp

boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm7.yaml

@@ -17,4 +17,5 @@ flash: 256
 supported:
   - gpio
   - uart
+  - i2c
 vendor: nxp