boards: nxp/frdm_mcxn236: Support Flexcan for NXP frdm_mcxa156 board

Support Flexcan for NXP frdm_mcxa156 board Signed-off-by: Neil Chen <[email protected]>
zephyrproject-rtos · Jan 7, 2025 · fd1826e · fd1826e
1 parent 0004a3f
commit fd1826e
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diff --git a/boards/nxp/frdm_mcxa156/board.c b/boards/nxp/frdm_mcxa156/board.c
@@ -149,6 +149,12 @@ static int frdm_mcxa156_init(void)
 	CLOCK_EnableClock(kCLOCK_GateDAC0);
 #endif
 
+#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(flexcan0))
+	CLOCK_SetClockDiv(kCLOCK_DivFLEXCAN0, 1U);
+	CLOCK_SetClockDiv(kCLOCK_DivFRO_HF_DIV, 1U);
+	CLOCK_AttachClk(kFRO_HF_DIV_to_FLEXCAN0);
+#endif
+
 #if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(lpadc0))
 	CLOCK_SetClockDiv(kCLOCK_DivADC0, 1u);
 	CLOCK_AttachClk(kFRO12M_to_ADC0);

diff --git a/boards/nxp/frdm_mcxa156/doc/index.rst b/boards/nxp/frdm_mcxa156/doc/index.rst
@@ -60,6 +60,8 @@ The FRDM-MCXA156 board configuration supports the following hardware features:
 +-----------+------------+-------------------------------------+
 | DAC       | on-chip    | dac                                 |
 +-----------+------------+-------------------------------------+
+| FLEXCAN   | on-chip    | CAN                                 |
++-----------+------------+-------------------------------------+
 | I2C       | on-chip    | i2c                                 |
 +-----------+------------+-------------------------------------+
 | LPCMP     | on-chip    | sensor(comparator)                  |

diff --git a/boards/nxp/frdm_mcxa156/frdm_mcxa156-pinctrl.dtsi b/boards/nxp/frdm_mcxa156/frdm_mcxa156-pinctrl.dtsi
@@ -23,6 +23,15 @@
 			slew-rate = "fast";
 		};
 	};
+	pinmux_flexcan0: pinmux_flexcan0 {
+		group0 {
+			pinmux = <CAN0_TXD_P1_13>,
+				<CAN0_RXD_P1_12>;
+			slew-rate = "fast";
+			drive-strength = "low";
+			input-enable;
+		};
+	};
 	pinmux_flexpwm0_pwm0: pinmux_flexpwm0_pwm0 {
 		group0 {
 			pinmux = <PWM0_A0_P3_6>,

diff --git a/boards/nxp/frdm_mcxa156/frdm_mcxa156.dts b/boards/nxp/frdm_mcxa156/frdm_mcxa156.dts
@@ -32,6 +32,7 @@
 		zephyr,console = &lpuart0;
 		zephyr,shell-uart = &lpuart0;
 		zephyr,uart-mcumgr = &lpuart0;
+		zephyr,canbus = &flexcan0;
 	};
 
 	leds {
@@ -103,6 +104,12 @@
 	pinctrl-names = "default";
 };
 
+&flexcan0 {
+	status = "okay";
+	pinctrl-0 = <&pinmux_flexcan0>;
+	pinctrl-names = "default";
+};
+
 &flexpwm0_pwm0 {
 	status = "okay";
 	pinctrl-0 = <&pinmux_flexpwm0_pwm0>;

diff --git a/boards/nxp/frdm_mcxa156/frdm_mcxa156.yaml b/boards/nxp/frdm_mcxa156/frdm_mcxa156.yaml
@@ -18,6 +18,7 @@ supported:
   - adc
   - flash
   - gpio
+  - can
   - counter
   - dac
   - i2c
-Original file line number
+Diff line change
@@ Expand Up / @@ -18,6 +18,7 @@ supported: @@
       - adc
       - flash
       - gpio
+      - can
       - counter
       - dac
       - i2c
@@ Expand Down @@