rcar_gen3: drivers: staging

 - ddr
 - pfc [pin function controller]
 - qos [bandwidth]

checkpatch.pl is generating too many errors.
diff --git a/drivers/staging/renesas/rcar/pfc/pfc.mk b/drivers/staging/renesas/rcar/pfc/pfc.mk
new file mode 100644
index 0000000..40e4090
--- /dev/null
+++ b/drivers/staging/renesas/rcar/pfc/pfc.mk
@@ -0,0 +1,56 @@
+#
+# Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${RCAR_LSI},${RCAR_AUTO})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.c
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.c
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/M3/pfc_init_m3.c
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/M3N/pfc_init_m3n.c
+
+else ifdef RCAR_LSI_CUT_COMPAT
+  ifeq (${RCAR_LSI},${RCAR_H3})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.c
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.c
+  endif
+  ifeq (${RCAR_LSI},${RCAR_H3N})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.c
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.c
+  endif
+  ifeq (${RCAR_LSI},${RCAR_M3})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/M3/pfc_init_m3.c
+  endif
+  ifeq (${RCAR_LSI},${RCAR_M3N})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/M3N/pfc_init_m3n.c
+  endif
+  ifeq (${RCAR_LSI},${RCAR_E3})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/E3/pfc_init_e3.c
+  endif
+else
+  ifeq (${RCAR_LSI},${RCAR_H3})
+    ifeq (${LSI_CUT},10)
+      BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.c
+    else ifeq (${LSI_CUT},11)
+      BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v1.c
+    else
+#     LSI_CUT 20 or later
+      BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.c
+    endif
+  endif
+  ifeq (${RCAR_LSI},${RCAR_H3N})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/H3/pfc_init_h3_v2.c
+  endif
+  ifeq (${RCAR_LSI},${RCAR_M3})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/M3/pfc_init_m3.c
+  endif
+  ifeq (${RCAR_LSI},${RCAR_M3N})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/M3N/pfc_init_m3n.c
+  endif
+  ifeq (${RCAR_LSI},${RCAR_E3})
+    BL2_SOURCES += drivers/staging/renesas/rcar/pfc/E3/pfc_init_e3.c
+  endif
+endif
+
+BL2_SOURCES += drivers/staging/renesas/rcar/pfc/pfc_init.c