diff --git a/arch/powerpc/boot/dts/tqm8540.dts b/arch/powerpc/boot/dts/tqm8540.dts
index a693f01c21aa6874f0688437425da6622094522b..39e55ab82b89023a2ed03f4b33ab2fc70e4ee5e8 100644
--- a/arch/powerpc/boot/dts/tqm8540.dts
+++ b/arch/powerpc/boot/dts/tqm8540.dts
@@ -84,6 +84,11 @@
 			interrupt-parent = <&mpic>;
 			dfsrr;
 
+			dtt@50 {
+				compatible = "national,lm75";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1337";
 				reg = <0x68>;
diff --git a/arch/powerpc/boot/dts/tqm8541.dts b/arch/powerpc/boot/dts/tqm8541.dts
index 9e3f5f0dde2002049b531600c52a48f61a53f4a9..58ae8bc5881749de4f31e5d0e1e0cbba9c5edf3c 100644
--- a/arch/powerpc/boot/dts/tqm8541.dts
+++ b/arch/powerpc/boot/dts/tqm8541.dts
@@ -83,6 +83,11 @@
 			interrupt-parent = <&mpic>;
 			dfsrr;
 
+			dtt@50 {
+				compatible = "national,lm75";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1337";
 				reg = <0x68>;
diff --git a/arch/powerpc/boot/dts/tqm8548-bigflash.dts b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
index 86ebbe9ca74a9d021cc669a2c308a16a923c2a1c..bff380a25aa6362ac5d7ae003df8240ebf42a171 100644
--- a/arch/powerpc/boot/dts/tqm8548-bigflash.dts
+++ b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
@@ -85,6 +85,11 @@
 			interrupt-parent = <&mpic>;
 			dfsrr;
 
+			dtt@50 {
+				compatible = "national,lm75";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1337";
 				reg = <0x68>;
diff --git a/arch/powerpc/boot/dts/tqm8548.dts b/arch/powerpc/boot/dts/tqm8548.dts
index c7eb9216609377806e5b2b6abc2258739a6e0b92..112ac90f2ea7bc18cbcf92799581a0001f21ee6f 100644
--- a/arch/powerpc/boot/dts/tqm8548.dts
+++ b/arch/powerpc/boot/dts/tqm8548.dts
@@ -85,6 +85,11 @@
 			interrupt-parent = <&mpic>;
 			dfsrr;
 
+			dtt@50 {
+				compatible = "national,lm75";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1337";
 				reg = <0x68>;
diff --git a/arch/powerpc/boot/dts/tqm8555.dts b/arch/powerpc/boot/dts/tqm8555.dts
index cf92b4e7945e3d6fa61b57907929692ac48b29d0..4b7da890c03bd98e43f7ee02724c876e4cef9616 100644
--- a/arch/powerpc/boot/dts/tqm8555.dts
+++ b/arch/powerpc/boot/dts/tqm8555.dts
@@ -83,6 +83,11 @@
 			interrupt-parent = <&mpic>;
 			dfsrr;
 
+			dtt@50 {
+				compatible = "national,lm75";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1337";
 				reg = <0x68>;
diff --git a/arch/powerpc/boot/dts/tqm8560.dts b/arch/powerpc/boot/dts/tqm8560.dts
index fe83d22118cceecbbd3616bf8d01ae84f55b796a..3fa552f31edb8cd1b343461f71773cb26edc02ee 100644
--- a/arch/powerpc/boot/dts/tqm8560.dts
+++ b/arch/powerpc/boot/dts/tqm8560.dts
@@ -85,6 +85,11 @@
 			interrupt-parent = <&mpic>;
 			dfsrr;
 
+			dtt@50 {
+				compatible = "national,lm75";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1337";
 				reg = <0x68>;