diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -608,6 +608,19 @@
                         "-DLLVM_TARGETS_TO_BUILD=X86",
                         "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=M68k"])},
 
+    {'name' : "clang-mips64el-linux",
+    'tags'  : ["clang"],
+    'workernames' : ["debian-tritium-mips64el"],
+    'builddir': "clang-mips64el-linux",
+    'factory' : ClangBuilder.getClangCMakeBuildFactory(
+                    clean=False,
+                    checkout_lld=False,
+                    useTwoStage=False,
+                    stage1_config='Release',
+                    extra_cmake_args=['-DLLVM_ENABLE_ASSERTIONS=ON',
+                                      '-DLLVM_PARALLEL_LINK_JOBS=4',
+                                      '-DLLVM_TARGETS_TO_BUILD=Mips'])},
+
     {'name' : "clang-ppc64be-linux-lnt",
     'tags'  : ["clang", "ppc"],
     'workernames' : ["ppc64be-clang-lnt-test"],
diff --git a/buildbot/osuosl/master/config/workers.py b/buildbot/osuosl/master/config/workers.py
--- a/buildbot/osuosl/master/config/workers.py
+++ b/buildbot/osuosl/master/config/workers.py
@@ -64,6 +64,9 @@
         # Windows Server 2016 Intel(R) Xeon(R) CPU @ 2.60GHz, 16 Core(s), 128 GB of RAM
         create_worker("win-mlir-buildbot", properties={'jobs' : 64}, max_builds=1),
 
+        # MIPS Loongson-3A R4 (Loongson-3A4000) 64-bit little endian (mips64el)
+        create_worker("debian-tritium-mips64el", properties={'jobs': 1}, max_builds=1),
+
         # Motorola 68k 32-bit big endian (m68k)
         create_worker("debian-akiko-m68k", properties={'jobs': 1}, max_builds=1),
         create_worker("suse-gary-m68k-cross", properties={'jobs': 4}, max_builds=1),