From 79eccceadd8478d9ea38236468b559e6248e3626 Mon Sep 17 00:00:00 2001
From: Abraham Gonzalez <abe.gonzalez@berkeley.edu>
Date: Sat, 27 Feb 2021 22:55:25 +0000
Subject: [PATCH] Small comments to Clocks.scala

---
 generators/chipyard/src/main/scala/Clocks.scala | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/generators/chipyard/src/main/scala/Clocks.scala b/generators/chipyard/src/main/scala/Clocks.scala
index 9ca6a801..0ba31abb 100644
--- a/generators/chipyard/src/main/scala/Clocks.scala
+++ b/generators/chipyard/src/main/scala/Clocks.scala
@@ -75,15 +75,18 @@ object ClockingSchemeGenerators {
     }
 
     val aggregator = LazyModule(new ClockGroupAggregator("allClocks")).node
+    // provides the implicit clock to the system
     (chiptop.implicitClockSinkNode
       := ClockGroup()
       := aggregator)
+    // provides the system clock (ex. the bus clocks)
     (systemAsyncClockGroup
       :*= resetSetter
       :*= ClockGroupNamePrefixer()
       :*= aggregator)
 
     val referenceClockSource =  ClockSourceNode(Seq(ClockSourceParameters()))
+    // provides all the divided clocks (from the top-level clock)
     (aggregator
       := ClockGroupFrequencySpecifier(p(ClockFrequencyAssignersKey), p(DefaultClockFrequencyKey))
       := ClockGroupResetSynchronizer()