diff --git a/boards/vendor/telem3/telem3.dts b/boards/vendor/telem3/telem3.dts
index 063cf1e..8a88b2b 100644
--- a/boards/vendor/telem3/telem3.dts
+++ b/boards/vendor/telem3/telem3.dts
@@ -64,6 +64,7 @@
 		zephyr,shell-uart = &usart1;
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash0;
+		zephyr,canbus = &fdcan1;
 	};
 	aliases {
 		led0 = &good_led;
@@ -72,6 +73,19 @@
 		volt-sensor0 = &vref;
 		volt-sensor1 = &vbat;
 	};
+
+	soc {
+		fdcan1: can@4000a400 {
+			compatible = "st,stm32-fdcan";
+			reg = <0x4000a400 0x400>, <0x4000ac00 0x350>;
+			reg-names = "m_can", "message_ram";
+			interrupts = <39 0>, <40 0>;
+			interrupt-names = "int0", "int1";
+			clocks = <&rcc STM32_CLOCK_BUS_APB1_2 0x00000200>;
+			bosch,mram-cfg = <0x0 28 8 3 3 0 3 3>;
+			status = "disabled";
+		};
+	};
 };
 
 // &clk_lse {
@@ -153,7 +167,7 @@ zephyr_udc0: &usb {
 &spi1 {
 	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
 	pinctrl-names = "default";
-	cs-gpios = <&gpioa 3 GPIO_ACTIVE_LOW>;
+	cs-gpios = <&gpioa 3 GPIO_ACTIVE_LOW>, <&gpioc 4 GPIO_ACTIVE_LOW>;
 	status = "okay";
 
 	bme280@0 {
@@ -161,6 +175,7 @@ zephyr_udc0: &usb {
 		reg = <0>;
 		spi-max-frequency = <DT_FREQ_M(1)>;
 	};
+	/* TODO: add LSM6DS3 may need custom driver */
 };
 
 &vref {
@@ -179,4 +194,12 @@ zephyr_udc0: &usb {
 	status = "okay";
 };
 
-
+&fdcan1 {
+	status = "okay";
+	clocks = <&rcc STM32_CLOCK_BUS_APB1_2 0x00000200>,
+		 <&rcc STM32_SRC_PLL_Q SAI2_SEL(0)>;
+	bus-speed = <125000>;
+	bus-speed-data = <125000>;
+	pinctrl-0 = <&fdcan1_tx_pd1 &fdcan1_rx_pd0>;
+	pinctrl-names = "default";
+};