arm64: dts: imx8dxl-evk: add flexcan2 and flecan3

Add flexcan2 and flexcan3 for imx8dxl-evk board.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8dxl-evk.dts

@@ -81,6 +81,24 @@ reg_fec1_io: regulator-2 {
 		status = "disabled";
 	};
 
+	reg_can0_stby: regulator-4 {
+		compatible = "regulator-fixed";
+		regulator-name = "can0-stby";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pca6416_3 0 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	reg_can1_stby: regulator-5 {
+		compatible = "regulator-fixed";
+		regulator-name = "can1-stby";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pca6416_3 1 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
 	reg_usdhc2_vmmc: regulator-3 {
 		compatible = "regulator-fixed";
 		regulator-name = "SD1_SPWR";
@@ -322,6 +340,20 @@ &lpuart0 {
 	status = "okay";
 };
 
+&flexcan2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan2>;
+	xceiver-supply = <&reg_can0_stby>;
+	status = "okay";
+};
+
+&flexcan3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan3>;
+	xceiver-supply = <&reg_can1_stby>;
+	status = "okay";
+};
+
 &lsio_gpio4 {
 	status = "okay";
 };
@@ -491,6 +523,20 @@ IMX8DXL_QSPI0B_SS0_B_LSIO_QSPI0B_SS0_B     0x06000021
 		>;
 	};
 
+	pinctrl_flexcan2: flexcan2grp {
+		fsl,pins = <
+			IMX8DXL_UART2_TX_ADMA_FLEXCAN1_TX	0x00000021
+			IMX8DXL_UART2_RX_ADMA_FLEXCAN1_RX	0x00000021
+		>;
+	};
+
+	pinctrl_flexcan3: flexcan3grp {
+		fsl,pins = <
+			IMX8DXL_FLEXCAN2_TX_ADMA_FLEXCAN2_TX	0x00000021
+			IMX8DXL_FLEXCAN2_RX_ADMA_FLEXCAN2_RX	0x00000021
+		>;
+	};
+
 	pinctrl_fec1: fec1grp {
 		fsl,pins = <
 			IMX8DXL_COMP_CTL_GPIO_1V8_3V3_ENET_ENETB0_PAD		0x000014a0