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

Support lpspi for NXP frdm_mcxa344 board.

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

Author: NeilChen93

boards/nxp/frdm_mcxa344/board.c

@@ -129,6 +129,16 @@ void board_early_init_hook(void)
 	CLOCK_AttachClk(kFRO_LF_DIV_to_LPI2C1);
 #endif
 
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(lpspi0))
+	CLOCK_SetClockDiv(kCLOCK_DivLPSPI0, 1u);
+	CLOCK_AttachClk(kFRO_LF_DIV_to_LPSPI0);
+#endif
+
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(lpspi1))
+	CLOCK_SetClockDiv(kCLOCK_DivLPSPI1, 1u);
+	CLOCK_AttachClk(kFRO_LF_DIV_to_LPSPI1);
+#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

@@ -30,6 +30,18 @@
 		};
 	};
 
+	pinmux_lpspi0: pinmux_lpspi0 {
+		group0 {
+			pinmux = <LPSPI0_SDO_P1_0>,
+				 <LPSPI0_SCK_P1_1>,
+				 <LPSPI0_SDI_P1_2>,
+				 <LPSPI0_PCS0_P1_3>;
+			slew-rate = "fast";
+			drive-strength = "low";
+			input-enable;
+		};
+	};
+
 	pinmux_lpuart2: pinmux_lpuart2 {
 		group0 {
 			pinmux = <LPUART2_RXD_P2_3>,

boards/nxp/frdm_mcxa344/frdm_mcxa344.dts

@@ -166,6 +166,12 @@
 	pinctrl-names = "default";
 };
 
+&lpspi0 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_lpspi0>;
+	pinctrl-names = "default";
+};
+
 &lpuart2 {
 	status = "okay";
 	current-speed = <115200>;

boards/nxp/frdm_mcxa344/frdm_mcxa344.yaml

@@ -18,5 +18,6 @@ supported:
   - flash
   - gpio
   - i2c
+  - spi
   - uart
 vendor: nxp