diff --git a/include/openthread/instance.h b/include/openthread/instance.h
index 26bdb949a..974860fea 100644
--- a/include/openthread/instance.h
+++ b/include/openthread/instance.h
@@ -53,7 +53,7 @@ extern "C" {
  * @note This number versions both OpenThread platform and user APIs.
  *
  */
-#define OPENTHREAD_API_VERSION (231)
+#define OPENTHREAD_API_VERSION (232)
 
 /**
  * @addtogroup api-instance
diff --git a/include/openthread/thread.h b/include/openthread/thread.h
index d98ad66a9..ef9cbd1de 100644
--- a/include/openthread/thread.h
+++ b/include/openthread/thread.h
@@ -138,6 +138,14 @@ typedef struct
     uint8_t      mAge;                 ///< Time last heard
     bool         mAllocated : 1;       ///< Router ID allocated or not
     bool         mLinkEstablished : 1; ///< Link established with Router ID or not
+    uint8_t      mVersion;             ///< Thread version
+
+    /**
+     * Parent CSL parameters are only relevant when OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE is enabled.
+     *
+     */
+    uint8_t mCslClockAccuracy; ///< CSL clock accuracy, in ± ppm
+    uint8_t mCslUncertainty;   ///< CSL uncertainty, in ±10 us
 } otRouterInfo;
 
 /**
diff --git a/src/cli/README.md b/src/cli/README.md
index c088da474..d1455b8fe 100644
--- a/src/cli/README.md
+++ b/src/cli/README.md
@@ -1995,7 +1995,7 @@ Done
 
 Get the diagnostic information for a Thread Router as parent.
 
-Note: When operating as a Thread Router, this command will return the cached information from when the device was previously attached as a Thread Child. Returning cached information is necessary to support the Thread Test Harness - Test Scenario 8.2.x requests the former parent (i.e. Joiner Router's) MAC address even if the device has already promoted to a router.
+Note: When operating as a Thread Router when `OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE` is enabled, this command will return the cached information from when the device was previously attached as a Thread Child. Returning cached information is necessary to support the Thread Test Harness - Test Scenario 8.2.x requests the former parent (i.e. Joiner Router's) MAC address even if the device has already promoted to a router.
 
 ```bash
 > parent
@@ -2004,9 +2004,17 @@ Rloc: 5c00
 Link Quality In: 3
 Link Quality Out: 3
 Age: 20
+Version: 4
 Done
 ```
 
+Note: When `OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE` is enabled, this command will return two extra lines with information relevant for CSL Receiver operation.
+
+```bash
+CSL clock accuracy: 20
+CSL uncertainty: 5
+```
+
 ### parentpriority
 
 Get the assigned parent priority value, -2 means not assigned.
diff --git a/src/cli/cli.cpp b/src/cli/cli.cpp
index 1825b7ea9..73866d3c2 100644
--- a/src/cli/cli.cpp
+++ b/src/cli/cli.cpp
@@ -3787,7 +3787,11 @@ template <> otError Interpreter::Process<Cmd("parent")>(Arg aArgs[])
     OutputLine("Link Quality In: %d", parentInfo.mLinkQualityIn);
     OutputLine("Link Quality Out: %d", parentInfo.mLinkQualityOut);
     OutputLine("Age: %d", parentInfo.mAge);
-
+    OutputLine("Version: %d", parentInfo.mVersion);
+#if OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
+    OutputLine("CSL clock accuracy: %d", parentInfo.mCslClockAccuracy);
+    OutputLine("CSL uncertainty: %d", parentInfo.mCslUncertainty);
+#endif
 exit:
     return error;
 }
diff --git a/src/core/api/thread_api.cpp b/src/core/api/thread_api.cpp
index bec8c0633..190d035c3 100644
--- a/src/core/api/thread_api.cpp
+++ b/src/core/api/thread_api.cpp
@@ -368,6 +368,11 @@ otError otThreadGetParentInfo(otInstance *aInstance, otRouterInfo *aParentInfo)
     aParentInfo->mAge            = static_cast<uint8_t>(Time::MsecToSec(TimerMilli::GetNow() - parent->GetLastHeard()));
     aParentInfo->mAllocated      = true;
     aParentInfo->mLinkEstablished = parent->IsStateValid();
+    aParentInfo->mVersion         = parent->GetVersion();
+#if OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
+    aParentInfo->mCslClockAccuracy = parent->GetCslClockAccuracy();
+    aParentInfo->mCslUncertainty   = parent->GetCslUncertainty();
+#endif
 
 #if !OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE
 exit:
diff --git a/src/lib/spinel/spinel.h b/src/lib/spinel/spinel.h
index bc1b8d564..845385756 100644
--- a/src/lib/spinel/spinel.h
+++ b/src/lib/spinel/spinel.h
@@ -2295,7 +2295,7 @@ enum
     SPINEL_PROP_THREAD_LEADER_ADDR = SPINEL_PROP_THREAD__BEGIN + 0,
 
     /// Thread Parent Info
-    /** Format: `ESLccCC` - Read only
+    /** Format: `ESLccCCCCC` - Read only
      *
      *  `E`: Extended address
      *  `S`: RLOC16
@@ -2304,6 +2304,9 @@ enum
      *  `c`: Last RSSI (in dBm)
      *  `C`: Link Quality In
      *  `C`: Link Quality Out
+     *  `C`: Version
+     *  `C`: CSL clock accuracy
+     *  `C`: CSL uncertainty
      *
      */
     SPINEL_PROP_THREAD_PARENT = SPINEL_PROP_THREAD__BEGIN + 1,
diff --git a/src/ncp/ncp_base_mtd.cpp b/src/ncp/ncp_base_mtd.cpp
index e2dbb5323..aa717ee57 100644
--- a/src/ncp/ncp_base_mtd.cpp
+++ b/src/ncp/ncp_base_mtd.cpp
@@ -806,6 +806,11 @@ template <> otError NcpBase::HandlePropertyGet<SPINEL_PROP_THREAD_PARENT>(void)
             SuccessOrExit(error = mEncoder.WriteInt8(lastRssi));
             SuccessOrExit(error = mEncoder.WriteUint8(parentInfo.mLinkQualityIn));
             SuccessOrExit(error = mEncoder.WriteUint8(parentInfo.mLinkQualityOut));
+            SuccessOrExit(error = mEncoder.WriteUint8(parentInfo.mVersion));
+#if OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
+            SuccessOrExit(error = mEncoder.WriteUint8(parentInfo.mCslClockAccuracy));
+            SuccessOrExit(error = mEncoder.WriteUint8(parentInfo.mCslUncertainty));
+#endif
         }
         else
         {