diff --git a/boards/wch/ch32v003evt/ch32v003evt.yaml b/boards/wch/ch32v003evt/ch32v003evt.yaml
index 5e768fd1f4a..af6e3fa0dfe 100644
--- a/boards/wch/ch32v003evt/ch32v003evt.yaml
+++ b/boards/wch/ch32v003evt/ch32v003evt.yaml
@@ -11,3 +11,6 @@ supported:
   - dma
   - gpio
   - i2c
+  - pwm
+  - uart
+  - watchdog
diff --git a/boards/wch/ch32v003f4p6_dev_board/ch32v003f4p6_dev_board.yaml b/boards/wch/ch32v003f4p6_dev_board/ch32v003f4p6_dev_board.yaml
index e4823b08a3a..683ba85c03f 100644
--- a/boards/wch/ch32v003f4p6_dev_board/ch32v003f4p6_dev_board.yaml
+++ b/boards/wch/ch32v003f4p6_dev_board/ch32v003f4p6_dev_board.yaml
@@ -9,5 +9,7 @@ ram: 2
 flash: 16
 supported:
   - gpio
-  - uart
   - i2c
+  - pwm
+  - uart
+  - watchdog
diff --git a/boards/wch/ch32v006evt/ch32v006evt.dts b/boards/wch/ch32v006evt/ch32v006evt.dts
index 2cd0e20abeb..a450a24c716 100644
--- a/boards/wch/ch32v006evt/ch32v006evt.dts
+++ b/boards/wch/ch32v006evt/ch32v006evt.dts
@@ -57,6 +57,7 @@
 		led0 = &blue_led1;
 		led1 = &blue_led2;
 		pwm-led0 = &blue_pwm2;
+		watchdog0 = &iwdg;
 	};
 };
 
@@ -88,3 +89,7 @@
 	pinctrl-0 = <&usart1_default>;
 	pinctrl-names = "default";
 };
+
+&iwdg {
+	status = "okay";
+};
diff --git a/boards/wch/ch32v006evt/ch32v006evt.yaml b/boards/wch/ch32v006evt/ch32v006evt.yaml
index e3d97db9f1f..08bd8b523f9 100644
--- a/boards/wch/ch32v006evt/ch32v006evt.yaml
+++ b/boards/wch/ch32v006evt/ch32v006evt.yaml
@@ -12,5 +12,6 @@ supported:
   - gpio
   - i2c
   - pwm
+  - uart
   - watchdog
 vendor: wch
diff --git a/boards/wch/ch32v303vct6_evt/ch32v303vct6_evt.yaml b/boards/wch/ch32v303vct6_evt/ch32v303vct6_evt.yaml
new file mode 100644
index 00000000000..2f362b68b57
--- /dev/null
+++ b/boards/wch/ch32v303vct6_evt/ch32v303vct6_evt.yaml
@@ -0,0 +1,14 @@
+identifier: ch32v303vct6_evt
+name: WCH CH32V303VCT6-EVT Evaluation Board
+type: mcu
+arch: riscv
+toolchain:
+  - cross-compile
+  - zephyr
+ram: 32
+flash: 480
+supported:
+  - gpio
+  - i2c
+  - pwm
+  - uart
diff --git a/boards/wch/linkw/linkw.dts b/boards/wch/linkw/linkw.dts
index 50f749ef28c..b362cc51266 100644
--- a/boards/wch/linkw/linkw.dts
+++ b/boards/wch/linkw/linkw.dts
@@ -51,6 +51,7 @@
 	aliases {
 		led0 = &blue_led;
 		sw0 = &mode;
+		watchdog0 = &iwdg;
 	};
 };
 
@@ -82,3 +83,7 @@
 	pinctrl-0 = <&usart2_default>;
 	pinctrl-names = "default";
 };
+
+&iwdg {
+	status = "okay";
+};
diff --git a/boards/wch/linkw/linkw.yaml b/boards/wch/linkw/linkw.yaml
index fb0db29bc12..d59a5d3730c 100644
--- a/boards/wch/linkw/linkw.yaml
+++ b/boards/wch/linkw/linkw.yaml
@@ -10,3 +10,7 @@ flash: 128
 supported:
   - dma
   - gpio
+  - i2c
+  - pwm
+  - uart
+  - watchdog
diff --git a/boards/weact/bluepillplus_ch32v203/bluepillplus_ch32v203.yaml b/boards/weact/bluepillplus_ch32v203/bluepillplus_ch32v203.yaml
index e1a2745db98..00b1f3fbd00 100644
--- a/boards/weact/bluepillplus_ch32v203/bluepillplus_ch32v203.yaml
+++ b/boards/weact/bluepillplus_ch32v203/bluepillplus_ch32v203.yaml
@@ -9,3 +9,6 @@ ram: 20
 flash: 224
 supported:
   - gpio
+  - i2c
+  - pwm
+  - uart