diff --git a/fw/wmi_services.h b/fw/wmi_services.h
index 47c0e92342e5..9733825ed292 100644
--- a/fw/wmi_services.h
+++ b/fw/wmi_services.h
@@ -397,6 +397,7 @@ typedef  enum  {
     WMI_SERVICE_PACKET_CAPTURE_SUPPORT = 212, /* target supports packet capture Mode (SMART MU) */
     WMI_SERVICE_PER_PEER_HTT_STATS_RESET = 213, /* FW supports HTT per peer stats reset facility */
     WMI_SERVICE_DELETE_ALL_PEER_SUPPORT = 214, /* target supports cmd to delete all peers within a vdev */
+    WMI_SERVICE_DYNAMIC_HW_MODE_SWITCH_SUPPORT = 215, /* target supports Dynamic HW mode switch */
 
     /******* ADD NEW SERVICES HERE *******/
 
diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index a567988b2ea0..8fefe86bd933 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -23155,6 +23155,12 @@ typedef struct {
      * Refer to WMI_HE_CAP_xx_LTF_xxx_SUPPORT_GET/SET macros
      */
     A_UINT32 he_cap_info_internal;
+
+    A_UINT32 wireless_modes; /* REGDMN MODE, see REGDMN_MODE_ enum */
+    A_UINT32 low_2ghz_chan_freq;  /* units = MHz */
+    A_UINT32 high_2ghz_chan_freq; /* units = MHz */
+    A_UINT32 low_5ghz_chan_freq;  /* units = MHz */
+    A_UINT32 high_5ghz_chan_freq; /* units = MHz */
 } WMI_MAC_PHY_CAPABILITIES;
 
 typedef struct {
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index e387c4760a39..ed3d77f6d7fc 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -36,7 +36,7 @@
 #define __WMI_VER_MINOR_    0
 /** WMI revision number has to be incremented when there is a
  *  change that may or may not break compatibility. */
-#define __WMI_REVISION_ 684
+#define __WMI_REVISION_ 685
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work