diff --git a/Documentation/devicetree/bindings/gpio/led.txt b/Documentation/devicetree/bindings/gpio/led.txt
index edc83c1c0d54bb5f7f3297593eba77f1931e3d12..df1b3080f6b88f22f5844d02c7c2f717dac50175 100644
--- a/Documentation/devicetree/bindings/gpio/led.txt
+++ b/Documentation/devicetree/bindings/gpio/led.txt
@@ -10,16 +10,10 @@ LED sub-node properties:
 - gpios :  Should specify the LED's GPIO, see "gpios property" in
   Documentation/devicetree/bindings/gpio/gpio.txt.  Active low LEDs should be
   indicated using flags in the GPIO specifier.
-- label :  (optional) The label for this LED.  If omitted, the label is
-  taken from the node name (excluding the unit address).
-- linux,default-trigger :  (optional) This parameter, if present, is a
-  string defining the trigger assigned to the LED.  Current triggers are:
-    "backlight" - LED will act as a back-light, controlled by the framebuffer
-		  system
-    "default-on" - LED will turn on, but see "default-state" below
-    "heartbeat" - LED "double" flashes at a load average based rate
-    "ide-disk" - LED indicates disk activity
-    "timer" - LED flashes at a fixed, configurable rate
+- label :  (optional)
+  see Documentation/devicetree/bindings/leds/common.txt
+- linux,default-trigger :  (optional)
+  see Documentation/devicetree/bindings/leds/common.txt
 - default-state:  (optional) The initial state of the LED.  Valid
   values are "on", "off", and "keep".  If the LED is already on or off
   and the default-state property is set the to same value, then no
diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d88816dd550b7650239e2b3d5b6fad8361d4b5b
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/common.txt
@@ -0,0 +1,23 @@
+Common leds properties.
+
+Optional properties for child nodes:
+- label : The label for this LED.  If omitted, the label is
+  taken from the node name (excluding the unit address).
+
+- linux,default-trigger :  This parameter, if present, is a
+    string defining the trigger assigned to the LED.  Current triggers are:
+     "backlight" - LED will act as a back-light, controlled by the framebuffer
+		   system
+     "default-on" - LED will turn on (but for leds-gpio see "default-state"
+		    property in Documentation/devicetree/bindings/gpio/led.txt)
+     "heartbeat" - LED "double" flashes at a load average based rate
+     "ide-disk" - LED indicates disk activity
+     "timer" - LED flashes at a fixed, configurable rate
+
+Examples:
+
+system-status {
+	label = "Status";
+	linux,default-trigger = "heartbeat";
+	...
+};
diff --git a/Documentation/devicetree/usage-model.txt b/Documentation/devicetree/usage-model.txt
index dca90fe22a90c5d61c3cc0251326917a143e8929..ef9d06c9f8fde9341c3dc1926f83524fb7a47396 100644
--- a/Documentation/devicetree/usage-model.txt
+++ b/Documentation/devicetree/usage-model.txt
@@ -347,7 +347,7 @@ later), which will happily live at the base of the Linux /sys/devices
 tree.  Therefore, if a DT node is at the root of the tree, then it
 really probably is best registered as a platform_device.
 
-Linux board support code calls of_platform_populate(NULL, NULL, NULL)
+Linux board support code calls of_platform_populate(NULL, NULL, NULL, NULL)
 to kick off discovery of devices at the root of the tree.  The
 parameters are all NULL because when starting from the root of the
 tree, there is no need to provide a starting node (the first NULL), a
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
index 6d1c6bb9f224d9e01303f15fdadef7643075e6c5..2a48022c41e7d184660c59de87fa7dce0b345d4b 100644
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -27,3 +27,5 @@ HOSTCFLAGS_dtc-parser.tab.o := $(HOSTCFLAGS_DTC)
 # dependencies on generated files need to be listed explicitly
 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
 
+# generated files need to be cleaned explicitly
+clean-files	:= dtc-lexer.lex.c dtc-parser.tab.c dtc-parser.tab.h