diff --git a/components/soc/esp32s2/include/soc/Kconfig.soc_caps.in b/components/soc/esp32s2/include/soc/Kconfig.soc_caps.in
index 967ede67690..959c824b6b8 100644
--- a/components/soc/esp32s2/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32s2/include/soc/Kconfig.soc_caps.in
@@ -839,6 +839,10 @@ config SOC_USB_OTG_PERIPH_NUM
     int
     default 1
 
+config SOC_USB_FSLS_PHY_NUM
+    int
+    default 1
+
 config SOC_SHA_DMA_MAX_BUFFER_SIZE
     int
     default 3968
diff --git a/components/soc/esp32s2/include/soc/soc_caps.h b/components/soc/esp32s2/include/soc/soc_caps.h
index cd8cf0fcfd2..e0fa0b4993f 100644
--- a/components/soc/esp32s2/include/soc/soc_caps.h
+++ b/components/soc/esp32s2/include/soc/soc_caps.h
@@ -359,6 +359,7 @@
 
 /*-------------------------- USB CAPS ----------------------------------------*/
 #define SOC_USB_OTG_PERIPH_NUM          (1U)
+#define SOC_USB_FSLS_PHY_NUM            (1U)
 
 /*--------------------------- SHA CAPS ---------------------------------------*/
 /* Max amount of bytes in a single DMA operation is 4095,
diff --git a/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in b/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
index 61430a32bfc..9b801602fdc 100644
--- a/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32s3/include/soc/Kconfig.soc_caps.in
@@ -1007,6 +1007,10 @@ config SOC_USB_OTG_PERIPH_NUM
     int
     default 1
 
+config SOC_USB_FSLS_PHY_NUM
+    int
+    default 1
+
 config SOC_SHA_DMA_MAX_BUFFER_SIZE
     int
     default 3968
diff --git a/components/soc/esp32s3/include/soc/soc_caps.h b/components/soc/esp32s3/include/soc/soc_caps.h
index 0e6a5b94b54..c1cc0de6195 100644
--- a/components/soc/esp32s3/include/soc/soc_caps.h
+++ b/components/soc/esp32s3/include/soc/soc_caps.h
@@ -399,6 +399,7 @@
 
 /*-------------------------- USB CAPS ----------------------------------------*/
 #define SOC_USB_OTG_PERIPH_NUM          (1U)
+#define SOC_USB_FSLS_PHY_NUM            (1U)
 
 /*--------------------------- SHA CAPS ---------------------------------------*/
 /* Max amount of bytes in a single DMA operation is 4095,