diff --git a/fw/htt_ppdu_stats.h b/fw/htt_ppdu_stats.h
index d4c832c34391..d2f2f49c99fd 100644
--- a/fw/htt_ppdu_stats.h
+++ b/fw/htt_ppdu_stats.h
@@ -508,11 +508,11 @@ typedef struct {
 
 #define HTT_PPDU_STATS_USER_COMMON_TLV_DELAYED_BA_M     0x00004000
 #define HTT_PPDU_STATS_USER_COMMON_TLV_DELAYED_BA_S             14
- 
+
 #define HTT_PPDU_STATS_USER_COMMON_TLV_DELAYED_BA_GET(_var) \
     (((_var) & HTT_PPDU_STATS_USER_COMMON_TLV_DELAYED_BA_M) >> \
     HTT_PPDU_STATS_USER_COMMON_TLV_DELAYED_BA_S)
- 
+
 #define HTT_PPDU_STATS_USER_COMMON_TLV_DELAYED_BA_SET(_var, _val) \
      do { \
          HTT_CHECK_SET_VAL(HTT_PPDU_STATS_USER_COMMON_TLV_DELAYED_BA, _val); \
diff --git a/fw/wmi_services.h b/fw/wmi_services.h
index e9bbeff19d90..3ec2d6334a74 100644
--- a/fw/wmi_services.h
+++ b/fw/wmi_services.h
@@ -255,6 +255,7 @@ typedef  enum  {
     WMI_SERVICE_DUAL_BEACON_ON_SINGLE_MAC_MCC_SUPPORT=159, /* Support dual beacon on different channel on single MAC */
     WMI_SERVICE_MOTION_DET=160, /* support for motion detection config */
     WMI_SERVICE_INFRA_MBSSID=161, /* support infra multi-BSSID feature */
+    WMI_SERVICE_OBSS_SPATIAL_REUSE=162, /* support spatial reuse feature */
 
 
     /******* ADD NEW SERVICES HERE *******/
diff --git a/fw/wmi_tlv_defs.h b/fw/wmi_tlv_defs.h
index ad92b283122a..dfe45b4ef8b2 100644
--- a/fw/wmi_tlv_defs.h
+++ b/fw/wmi_tlv_defs.h
@@ -923,6 +923,7 @@ typedef enum {
     WMITLV_TAG_STRUC_wmi_motion_det_event,
     WMITLV_TAG_STRUC_wmi_motion_det_base_line_event,
     WMITLV_TAG_STRUC_wmi_ndp_transport_ip_param,
+    WMITLV_TAG_STRUC_wmi_obss_spatial_reuse_set_cmd_fixed_param,
 } WMITLV_TAG_ID;
 
 /*
@@ -1300,6 +1301,7 @@ typedef enum {
     OP(WMI_MOTION_DET_BASE_LINE_CONFIG_PARAM_CMDID) \
     OP(WMI_MOTION_DET_START_STOP_CMDID) \
     OP(WMI_MOTION_DET_BASE_LINE_START_STOP_CMDID) \
+    OP(WMI_PDEV_OBSS_PD_SPATIAL_REUSE_CMDID) \
     /* add new CMD_LIST elements above this line */
 
 
@@ -3746,6 +3748,11 @@ WMITLV_CREATE_PARAM_STRUC(WMI_TWT_RESUME_DIALOG_CMDID);
   WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_STRUC_wmi_peer_tid_configurations_cmd_fixed_param, wmi_peer_tid_configurations_cmd_fixed_param, fixed_param, WMITLV_SIZE_FIX)
 WMITLV_CREATE_PARAM_STRUC(WMI_PEER_TID_CONFIGURATIONS_CMDID);
 
+/* OBSS_PD Spatial_Reuse cnmd */
+#define WMITLV_TABLE_WMI_PDEV_OBSS_PD_SPATIAL_REUSE_CMDID(id,op,buf,len) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_STRUC_wmi_obss_spatial_reuse_set_cmd_fixed_param, wmi_obss_spatial_reuse_set_cmd_fixed_param, fixed_param, WMITLV_SIZE_FIX)
+WMITLV_CREATE_PARAM_STRUC(WMI_PDEV_OBSS_PD_SPATIAL_REUSE_CMDID);
+
 
 /************************** TLV definitions of WMI events *******************************/
 
diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 5aa835ca815e..a3c05371666d 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -244,6 +244,7 @@ typedef enum {
     WMI_GRP_11K_OFFLOAD,    /* 0x3d */
     WMI_GRP_TWT,            /* 0x3e TWT (Target Wake Time) for STA and AP */
     WMI_GRP_MOTION_DET,     /* 0x3f */
+    WMI_GRP_SPATIAL_REUSE,  /* 0x40 */
 } WMI_GRP_ID;
 
 #define WMI_CMD_GRP_START_ID(grp_id) (((grp_id) << 12) | 0x1)
@@ -1139,6 +1140,9 @@ typedef enum {
     WMI_MOTION_DET_BASE_LINE_CONFIG_PARAM_CMDID,
     WMI_MOTION_DET_START_STOP_CMDID,
     WMI_MOTION_DET_BASE_LINE_START_STOP_CMDID,
+
+    /** WMI commands related to OBSS PD Spatial Reuse **/
+    WMI_PDEV_OBSS_PD_SPATIAL_REUSE_CMDID = WMI_CMD_GRP_START_ID(WMI_GRP_SPATIAL_REUSE),
 } WMI_CMD_ID;
 
 typedef enum {
@@ -8647,10 +8651,10 @@ typedef enum {
 
     /** Uplink OFDMA PPDU bandwidth (0: 20MHz, 1: 40MHz, 2: 80Mhz, 3: 160MHz)*/
     WMI_VDEV_PARAM_UL_PPDU_BW,                            /* 0x8E */
-    
+
     /** Enable/Disable FW handling MU EDCA change from AP (1: En, 0:Dis)  */
     WMI_VDEV_PARAM_MU_EDCA_FW_UPDATE_EN,                  /* 0x8F */
-    
+
     /** Update dot11ObssNbruToleranceTime in fw. Param value: seconds */
     WMI_VDEV_PARAM_UPDATE_OBSS_RU_TOLERANCE_TIME,         /* 0x90 */
 
@@ -23162,6 +23166,27 @@ typedef struct {
                                     * phase (in %); reserved for future */
 } wmi_motion_det_base_line_event;
 
+/* Below structures are related to OBSS_PD_SPATIAL Reuse */
+typedef struct {
+    /** TLV tag and len; tag equals
+    * WMITLV_TAG_STRUC_wmi_obss_set_cmd_fixed_param */
+    A_UINT32 tlv_header;
+    /** Enable/Disable Spatial Reuse */
+    A_UINT32 enable;
+    /*
+     * In the below fields, "OBSS level" refers to the power of the
+     * signals received from "Other BSS".
+     * Spatial reuse will only be permitted if the Other BSS's signal power
+     * is witin the min to max range specified by the below fields.
+     */
+    /** Minimum OBSS level to use */
+    A_INT32 obss_min; /* RSSI in dBm */
+    /** Maximum OBSS level to use */
+    A_INT32 obss_max; /* RSSI in dBm */
+    /** Vdev id*/
+    A_UINT32 vdev_id;
+} wmi_obss_spatial_reuse_set_cmd_fixed_param;
+
 
 /* ADD NEW DEFS HERE */
 
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 11812bef1889..1a6a8990b549 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_ 554
+#define __WMI_REVISION_ 555
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work