boards: nxp: frdm_mcxa344: Support lpi2c for NXP frdm_mcxa344 board

Support lpi2c for NXP frdm_mcxa344 board.

Signed-off-by: Neil Chen <[email protected]>

Author: NeilChen93

boards/nxp/frdm_mcxa344/board.c

@@ -119,6 +119,16 @@ void board_early_init_hook(void)
 	CLOCK_EnableClock(kCLOCK_GateGPIO4);
 #endif
 
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(lpi2c0))
+	CLOCK_SetClockDiv(kCLOCK_DivLPI2C0, 1u);
+	CLOCK_AttachClk(kFRO_LF_DIV_to_LPI2C0);
+#endif
+
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(lpi2c1))
+	CLOCK_SetClockDiv(kCLOCK_DivLPI2C1, 1u);
+	CLOCK_AttachClk(kFRO_LF_DIV_to_LPI2C1);
+#endif
+
 #if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(lpuart0))
 	CLOCK_SetClockDiv(kCLOCK_DivLPUART0, 1u);
 	CLOCK_AttachClk(kFRO_LF_DIV_to_LPUART0);

boards/nxp/frdm_mcxa344/frdm_mcxa344-pinctrl.dtsi

@@ -3,14 +3,37 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-
 #include <nxp/mcx/MCXA344VLL-pinctrl.h>
 
 &pinctrl {
+	pinmux_lpi2c0: pinmux_lpi2c0 {
+		group0 {
+			pinmux = <LPI2C0_SDA_P1_8>,
+				 <LPI2C0_SCL_P1_9>;
+			slew-rate = "fast";
+			drive-strength = "low";
+			input-enable;
+			bias-pull-up;
+			drive-open-drain;
+		};
+	};
+
+	pinmux_lpi2c1: pinmux_lpi2c1 {
+		group0 {
+			pinmux = <LPI2C1_SDA_P3_28>,
+				 <LPI2C1_SCL_P3_27>;
+			slew-rate = "fast";
+			drive-strength = "low";
+			input-enable;
+			bias-pull-up;
+			drive-open-drain;
+		};
+	};
+
 	pinmux_lpuart2: pinmux_lpuart2 {
 		group0 {
 			pinmux = <LPUART2_RXD_P2_3>,
-				<LPUART2_TXD_P2_2>;
+				 <LPUART2_TXD_P2_2>;
 			drive-strength = "low";
 			slew-rate = "fast";
 			input-enable;

boards/nxp/frdm_mcxa344/frdm_mcxa344.dts

@@ -105,33 +105,6 @@
 	status = "okay";
 };
 
-&gpio0 {
-	status = "okay";
-};
-
-&gpio1 {
-	status = "okay";
-};
-
-&gpio2 {
-	status = "okay";
-};
-
-&gpio3 {
-	status = "okay";
-};
-
-&gpio4 {
-	status = "okay";
-};
-
-&lpuart2 {
-	status = "okay";
-	current-speed = <115200>;
-	pinctrl-0 = <&pinmux_lpuart2>;
-	pinctrl-names = "default";
-};
-
 &flash {
 	partitions {
 		compatible = "fixed-partitions";
@@ -160,3 +133,42 @@
 		};
 	};
 };
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&gpio3 {
+	status = "okay";
+};
+
+&gpio4 {
+	status = "okay";
+};
+
+&lpi2c0 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpi2c0>;
+	pinctrl-names = "default";
+};
+
+&lpi2c1 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpi2c1>;
+	pinctrl-names = "default";
+};
+
+&lpuart2 {
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0 = <&pinmux_lpuart2>;
+	pinctrl-names = "default";
+};

boards/nxp/frdm_mcxa344/frdm_mcxa344.yaml

@@ -17,5 +17,6 @@ supported:
   - arduino_gpio
   - flash
   - gpio
+  - i2c
   - uart
 vendor: nxp