diff --git a/drivers/pinctrl/pinctrl_gd32_af.c b/drivers/pinctrl/pinctrl_gd32_af.c
index 21c3adf85ca..eb50d53f59d 100644
--- a/drivers/pinctrl/pinctrl_gd32_af.c
+++ b/drivers/pinctrl/pinctrl_gd32_af.c
@@ -21,6 +21,7 @@ BUILD_ASSERT((GD32_OTYPE_PP == GPIO_OTYPE_PP) &&
 
 BUILD_ASSERT((GD32_OSPEED_2MHZ == GPIO_OSPEED_2MHZ) &&
 #if defined(CONFIG_SOC_SERIES_GD32F3X0) || \
+	defined(CONFIG_SOC_SERIES_GD32A50X) || \
 	defined(CONFIG_SOC_SERIES_GD32L23X)
 	     (GD32_OSPEED_10MHZ == GPIO_OSPEED_10MHZ) &&
 	     (GD32_OSPEED_50MHZ == GPIO_OSPEED_50MHZ) &&
diff --git a/include/zephyr/drivers/pinctrl/pinctrl_soc_gd32_common.h b/include/zephyr/drivers/pinctrl/pinctrl_soc_gd32_common.h
index 9d1d8293179..06b0615651a 100644
--- a/include/zephyr/drivers/pinctrl/pinctrl_soc_gd32_common.h
+++ b/include/zephyr/drivers/pinctrl/pinctrl_soc_gd32_common.h
@@ -107,6 +107,7 @@ typedef uint32_t pinctrl_soc_pin_t;
 /** Maximum 2MHz */
 #define GD32_OSPEED_2MHZ 0U
 #if defined(CONFIG_SOC_SERIES_GD32F3X0) || \
+	defined(CONFIG_SOC_SERIES_GD32A50X) || \
 	defined(CONFIG_SOC_SERIES_GD32L23X)
 /** Maximum 10MHz */
 #define GD32_OSPEED_10MHZ 1U