boards: frdm_mcxw71: Enable FlexCAN

Enable FlexCAN on MCXW71.

Signed-off-by: Declan Snyder <[email protected]>

Author: Declan Snyder

boards/nxp/frdm_mcxw71/doc/index.rst

@@ -69,6 +69,8 @@ The ``frdm_mcxw71`` board target in Zephyr currently supports the following feat
 +-----------+------------+-------------------------------------+
 | BLE       | on-chip    | Bluetooth                           |
 +-----------+------------+-------------------------------------+
+| FLEXCAN   | on-chip    | can                                 |
++-----------+------------+-------------------------------------+
 
 Fetch Binary Blobs
 ******************

boards/nxp/frdm_mcxw71/frdm_mcxw71-pinctrl.dtsi

@@ -50,4 +50,12 @@
 			drive-strength = "low";
 		};
 	};
+
+	pinmux_flexcan: pinmux_flexcan {
+		group0 {
+			pinmux = <CAN0_RX_PTC5>, <CAN0_TX_PTC4>;
+			slew-rate = "slow";
+			drive-strength = "low";
+		};
+	};
 };

boards/nxp/frdm_mcxw71/frdm_mcxw71.dts

@@ -26,6 +26,7 @@
 		zephyr,console = &lpuart1;
 		zephyr,shell-uart = &lpuart1;
 		zephyr,uart-pipe = &lpuart0;
+		zephyr,canbus = &flexcan0;
 	};
 
 	user_led {
@@ -116,3 +117,13 @@
 &lptmr0 {
 	status = "okay";
 };
+
+&flexcan0 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_flexcan>;
+	pinctrl-names = "default";
+
+	can-transceiver {
+		max-bitrate = <5000000>;
+	};
+};

boards/nxp/frdm_mcxw71/frdm_mcxw71.yaml

@@ -18,3 +18,4 @@ supported:
   - flash
   - spi
   - i2c
+  - can