diff --git a/build.sbt b/build.sbt
index e8f999c005..6711679654 100644
--- a/build.sbt
+++ b/build.sbt
@@ -170,7 +170,7 @@ lazy val tracegen = (project in file("generators/tracegen"))
   .settings(commonSettings)
 
 lazy val icenet = (project in file("generators/icenet"))
-  .dependsOn(testchipip, rocketchip)
+  .dependsOn(rocketchip)
   .settings(libraryDependencies ++= rocketLibDeps.value)
   .settings(commonSettings)
 
@@ -206,7 +206,7 @@ lazy val sha3 = (project in file("generators/sha3"))
   .settings(commonSettings)
 
 lazy val gemmini = (project in file("generators/gemmini"))
-  .dependsOn(testchipip, rocketchip)
+  .dependsOn(rocketchip)
   .settings(libraryDependencies ++= rocketLibDeps.value)
   .settings(chiselTestSettings)
   .settings(commonSettings)
diff --git a/docs/Customization/DMA-Devices.rst b/docs/Customization/DMA-Devices.rst
index d87b49aac8..77907ec22f 100644
--- a/docs/Customization/DMA-Devices.rst
+++ b/docs/Customization/DMA-Devices.rst
@@ -20,7 +20,7 @@ that writes zeros to the memory at a configured address.
     :start-after: DOC include start: DigitalTop
     :end-before: DOC include end: DigitalTop
 
-We use ``TLHelper.makeClientNode`` to create a TileLink client node for us.
+We use ``TLClientNode`` to create a TileLink client node for us.
 We then connect the client node to the memory system through the front bus (fbus).
 For more info on creating TileLink client nodes, take a look at :ref:`TileLink-Diplomacy-Reference/NodeTypes:Client Node`.
 
diff --git a/docs/TileLink-Diplomacy-Reference/NodeTypes.rst b/docs/TileLink-Diplomacy-Reference/NodeTypes.rst
index 74fe7854c7..c31aafba23 100644
--- a/docs/TileLink-Diplomacy-Reference/NodeTypes.rst
+++ b/docs/TileLink-Diplomacy-Reference/NodeTypes.rst
@@ -16,8 +16,7 @@ on the C channel, and send grant acknowledgements on the E channel.
 
 The L1 caches and DMA devices in RocketChip/Chipyard have client nodes.
 
-You can add a TileLink client node to your LazyModule using the TLHelper
-object from testchipip like so:
+You can add a TileLink client node to your LazyModule like so:
 
 .. literalinclude:: ../../generators/chipyard/src/main/scala/example/NodeTypes.scala
     :language: scala
@@ -48,8 +47,7 @@ generators optimize the hardware by not arbitrating the client to managers with
 address ranges that don't overlap with its visibility.
 
 Inside your lazy module implementation, you can call ``node.out`` to get a
-list of bundle/edge pairs. If you used the TLHelper, you only specified a
-single client edge, so this list will only have one pair.
+list of bundle/edge pairs.
 
 The ``tl`` bundle is a Chisel hardware bundle that connects to the IO of this
 module. It contains two (in the case of TL-UL and TL-UH) or five (in the case
@@ -65,8 +63,7 @@ Manager Node
 ------------
 
 TileLink managers take requests from clients on the A channel and send
-responses back on the D channel. You can create a manager node using the
-TLHelper like so:
+responses back on the D channel. You can create a manager like so:
 
 .. literalinclude:: ../../generators/chipyard/src/main/scala/example/NodeTypes.scala
     :language: scala
diff --git a/generators/chipyard/src/main/scala/example/InitZero.scala b/generators/chipyard/src/main/scala/example/InitZero.scala
index a9885d3444..5051c37d4a 100644
--- a/generators/chipyard/src/main/scala/example/InitZero.scala
+++ b/generators/chipyard/src/main/scala/example/InitZero.scala
@@ -5,14 +5,14 @@ import chisel3.util._
 import freechips.rocketchip.subsystem.{BaseSubsystem, CacheBlockBytes}
 import freechips.rocketchip.config.{Parameters, Field, Config}
 import freechips.rocketchip.diplomacy.{LazyModule, LazyModuleImp, IdRange}
-import testchipip.TLHelper
+import freechips.rocketchip.tilelink._
 
 case class InitZeroConfig(base: BigInt, size: BigInt)
 case object InitZeroKey extends Field[Option[InitZeroConfig]](None)
 
 class InitZero(implicit p: Parameters) extends LazyModule {
-  val node = TLHelper.makeClientNode(
-    name = "init-zero", sourceId = IdRange(0, 1))
+  val node = TLClientNode(Seq(TLMasterPortParameters.v1(Seq(TLClientParameters(
+    name = "init-zero", sourceId = IdRange(0, 1))))))
 
   lazy val module = new InitZeroModuleImp(this)
 }
diff --git a/generators/chipyard/src/main/scala/example/NodeTypes.scala b/generators/chipyard/src/main/scala/example/NodeTypes.scala
index 914e5ba56a..cafc470f27 100644
--- a/generators/chipyard/src/main/scala/example/NodeTypes.scala
+++ b/generators/chipyard/src/main/scala/example/NodeTypes.scala
@@ -3,7 +3,6 @@ package chipyard.example
 import freechips.rocketchip.config.Parameters
 import freechips.rocketchip.diplomacy._
 import freechips.rocketchip.tilelink._
-import testchipip.TLHelper
 
 // These modules are not meant to be synthesized.
 // They are used as examples in the documentation and are only here
@@ -11,11 +10,11 @@ import testchipip.TLHelper
 
 // DOC include start: MyClient
 class MyClient(implicit p: Parameters) extends LazyModule {
-  val node = TLHelper.makeClientNode(TLMasterParameters.v1(
+  val node = TLClientNode(Seq(TLMasterPortParameters.v1(Seq(TLClientParameters(
     name = "my-client",
     sourceId = IdRange(0, 4),
     requestFifo = true,
-    visibility = Seq(AddressSet(0x10000, 0xffff))))
+    visibility = Seq(AddressSet(0x10000, 0xffff)))))))
 
   lazy val module = new LazyModuleImp(this) {
     val (tl, edge) = node.out(0)
@@ -29,7 +28,7 @@ class MyClient(implicit p: Parameters) extends LazyModule {
 class MyManager(implicit p: Parameters) extends LazyModule {
   val device = new SimpleDevice("my-device", Seq("tutorial,my-device0"))
   val beatBytes = 8
-  val node = TLHelper.makeManagerNode(beatBytes, TLSlaveParameters.v1(
+  val node = TLManagerNode(Seq(TLSlavePortParameters.v1(Seq(TLManagerParameters(
     address = Seq(AddressSet(0x20000, 0xfff)),
     resources = device.reg,
     regionType = RegionType.UNCACHED,
@@ -40,7 +39,7 @@ class MyManager(implicit p: Parameters) extends LazyModule {
     supportsPutFull = TransferSizes(1, beatBytes),
     supportsPutPartial = TransferSizes(1, beatBytes),
     supportsHint = TransferSizes(1, beatBytes),
-    fifoId = Some(0)))
+    fifoId = Some(0))), beatBytes)))
 
   lazy val module = new LazyModuleImp(this) {
     val (tl, edge) = node.in(0)
@@ -50,7 +49,8 @@ class MyManager(implicit p: Parameters) extends LazyModule {
 
 // DOC include start: MyClient1+MyClient2
 class MyClient1(implicit p: Parameters) extends LazyModule {
-  val node = TLHelper.makeClientNode("my-client1", IdRange(0, 1))
+  val node = TLClientNode(Seq(TLMasterPortParameters.v1(Seq(TLClientParameters(
+    "my-client1", IdRange(0, 1))))))
 
   lazy val module = new LazyModuleImp(this) {
     // ...
@@ -58,7 +58,8 @@ class MyClient1(implicit p: Parameters) extends LazyModule {
 }
 
 class MyClient2(implicit p: Parameters) extends LazyModule {
-  val node = TLHelper.makeClientNode("my-client2", IdRange(0, 1))
+  val node = TLClientNode(Seq(TLMasterPortParameters.v1(Seq(TLClientParameters(
+    "my-client2", IdRange(0, 1))))))
 
   lazy val module = new LazyModuleImp(this) {
     // ...
@@ -83,8 +84,8 @@ class MyClientGroup(implicit p: Parameters) extends LazyModule {
 
 // DOC include start: MyManagerGroup
 class MyManager1(beatBytes: Int)(implicit p: Parameters) extends LazyModule {
-  val node = TLHelper.makeManagerNode(beatBytes, TLSlaveParameters.v1(
-    address = Seq(AddressSet(0x0, 0xfff))))
+  val node = TLManagerNode(Seq(TLSlavePortParameters.v1(Seq(TLManagerParameters(
+    address = Seq(AddressSet(0x0, 0xfff)))), beatBytes)))
 
   lazy val module = new LazyModuleImp(this) {
     // ...
@@ -92,8 +93,8 @@ class MyManager1(beatBytes: Int)(implicit p: Parameters) extends LazyModule {
 }
 
 class MyManager2(beatBytes: Int)(implicit p: Parameters) extends LazyModule {
-  val node = TLHelper.makeManagerNode(beatBytes, TLSlaveParameters.v1(
-    address = Seq(AddressSet(0x1000, 0xfff))))
+  val node = TLManagerNode(Seq(TLSlavePortParameters.v1(Seq(TLManagerParameters(
+    address = Seq(AddressSet(0x1000, 0xfff)))), beatBytes)))
 
   lazy val module = new LazyModuleImp(this) {
     // ...
diff --git a/generators/gemmini b/generators/gemmini
index b6389f3ea7..9e478ecce9 160000
--- a/generators/gemmini
+++ b/generators/gemmini
@@ -1 +1 @@
-Subproject commit b6389f3ea7bbf070aa3dd40972daa5be7e2d4261
+Subproject commit 9e478ecce9e48bbc03b9bd3535d71e03a6269fba
diff --git a/generators/icenet b/generators/icenet
index fb23840eab..90d52a6a84 160000
--- a/generators/icenet
+++ b/generators/icenet
@@ -1 +1 @@
-Subproject commit fb23840eab7a33249eaa23cad7bed4137055e8dd
+Subproject commit 90d52a6a8435c862e6435d04436f587c3b36c8c0
diff --git a/generators/testchipip b/generators/testchipip
index 2906d503cf..6e8a684242 160000
--- a/generators/testchipip
+++ b/generators/testchipip
@@ -1 +1 @@
-Subproject commit 2906d503cf6df42e5b6da576ff9e67d0c65368bc
+Subproject commit 6e8a68424216c9a02916af16a15850f40a534a22
diff --git a/scripts/tutorial-patches/build.sbt.patch b/scripts/tutorial-patches/build.sbt.patch
index 74795d3c76..db81b05275 100644
--- a/scripts/tutorial-patches/build.sbt.patch
+++ b/scripts/tutorial-patches/build.sbt.patch
@@ -27,4 +27,4 @@ index ec36a85f..c0c2849a 100644
 +//  .settings(commonSettings)
 
  lazy val gemmini = (project in file("generators/gemmini"))
-   .dependsOn(testchipip, rocketchip)
+   .dependsOn(rocketchip)