powerpc/fsl: update compatiable on fsl 16550 uart nodes

The Freescale serial port's are pretty much a 16550, however there are
some FSL specific bugs and features.  Add a "fsl,ns16550" compatiable
string to allow code to handle those FSL specific issues.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

51 files changed, 101 insertions, 101 deletions

diff --git a/arch/powerpc/boot/dts/asp834x-redboot.dts b/arch/powerpc/boot/dts/asp834x-redboot.dts
index 261d10c4534..227290db866 100644
--- a/arch/powerpc/boot/dts/asp834x-redboot.dts
+++ b/arch/powerpc/boot/dts/asp834x-redboot.dts
@@ -256,7 +256,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <400000000>;
 			interrupts = <9 0x8>;
@@ -266,7 +266,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <400000000>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/fsl/pq3-duart-0.dtsi b/arch/powerpc/boot/dts/fsl/pq3-duart-0.dtsi
index 00fa1fd8daf..5e268fdb9d1 100644
--- a/arch/powerpc/boot/dts/fsl/pq3-duart-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/pq3-duart-0.dtsi
@@ -35,7 +35,7 @@
 serial0: serial@4500 {
 	cell-index = <0>;
 	device_type = "serial";
-	compatible = "ns16550";
+	compatible = "fsl,ns16550", "ns16550";
 	reg = <0x4500 0x100>;
 	clock-frequency = <0>;
 	interrupts = <42 2 0 0>;
@@ -44,7 +44,7 @@ serial0: serial@4500 {
 serial1: serial@4600 {
 	cell-index = <1>;
 	device_type = "serial";
-	compatible = "ns16550";
+	compatible = "fsl,ns16550", "ns16550";
 	reg = <0x4600 0x100>;
 	clock-frequency = <0>;
 	interrupts = <42 2 0 0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-duart-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-duart-0.dtsi
index 66271e3a270..225c07b4e8a 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-duart-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-duart-0.dtsi
@@ -35,7 +35,7 @@
 serial0: serial@11c500 {
 	cell-index = <0>;
 	device_type = "serial";
-	compatible = "ns16550";
+	compatible = "fsl,ns16550", "ns16550";
 	reg = <0x11c500 0x100>;
 	clock-frequency = <0>;
 	interrupts = <36 2 0 0>;
@@ -44,7 +44,7 @@ serial0: serial@11c500 {
 serial1: serial@11c600 {
 	cell-index = <1>;
 	device_type = "serial";
-	compatible = "ns16550";
+	compatible = "fsl,ns16550", "ns16550";
 	reg = <0x11c600 0x100>;
 	clock-frequency = <0>;
 	interrupts = <36 2 0 0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-duart-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-duart-1.dtsi
index cf1a0acb40a..d23233a56b9 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-duart-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-duart-1.dtsi
@@ -35,7 +35,7 @@
 serial2: serial@11d500 {
 	cell-index = <2>;
 	device_type = "serial";
-	compatible = "ns16550";
+	compatible = "fsl,ns16550", "ns16550";
 	reg = <0x11d500 0x100>;
 	clock-frequency = <0>;
 	interrupts = <37 2 0 0>;
@@ -44,7 +44,7 @@ serial2: serial@11d500 {
 serial3: serial@11d600 {
 	cell-index = <3>;
 	device_type = "serial";
-	compatible = "ns16550";
+	compatible = "fsl,ns16550", "ns16550";
 	reg = <0x11d600 0x100>;
 	clock-frequency = <0>;
 	interrupts = <37 2 0 0>;
diff --git a/arch/powerpc/boot/dts/gef_ppc9a.dts b/arch/powerpc/boot/dts/gef_ppc9a.dts
index 2266bbb303d..38dcb96c8e2 100644
--- a/arch/powerpc/boot/dts/gef_ppc9a.dts
+++ b/arch/powerpc/boot/dts/gef_ppc9a.dts
@@ -339,7 +339,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <0x2a 0x2>;
@@ -349,7 +349,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <0x1c 0x2>;
diff --git a/arch/powerpc/boot/dts/gef_sbc310.dts b/arch/powerpc/boot/dts/gef_sbc310.dts
index 429e87d9ace..5ab8932d09b 100644
--- a/arch/powerpc/boot/dts/gef_sbc310.dts
+++ b/arch/powerpc/boot/dts/gef_sbc310.dts
@@ -337,7 +337,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <0x2a 0x2>;
@@ -347,7 +347,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <0x1c 0x2>;
diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts
index d81201ac2ca..d5341f5741a 100644
--- a/arch/powerpc/boot/dts/gef_sbc610.dts
+++ b/arch/powerpc/boot/dts/gef_sbc610.dts
@@ -337,7 +337,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <0x2a 0x2>;
@@ -347,7 +347,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <0x1c 0x2>;
diff --git a/arch/powerpc/boot/dts/kmeter1.dts b/arch/powerpc/boot/dts/kmeter1.dts
index d16bae1230f..983aee18579 100644
--- a/arch/powerpc/boot/dts/kmeter1.dts
+++ b/arch/powerpc/boot/dts/kmeter1.dts
@@ -80,7 +80,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <264000000>;
 			interrupts = <9 0x8>;
diff --git a/arch/powerpc/boot/dts/kuroboxHD.dts b/arch/powerpc/boot/dts/kuroboxHD.dts
index 8d725d10882..0a4545159e8 100644
--- a/arch/powerpc/boot/dts/kuroboxHD.dts
+++ b/arch/powerpc/boot/dts/kuroboxHD.dts
@@ -84,7 +84,7 @@ XXXX add flash parts, rtc, ??
 		serial0: serial@80004500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x80004500 0x8>;
 			clock-frequency = <97553800>;
 			current-speed = <9600>;
@@ -95,7 +95,7 @@ XXXX add flash parts, rtc, ??
 		serial1: serial@80004600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x80004600 0x8>;
 			clock-frequency = <97553800>;
 			current-speed = <57600>;
diff --git a/arch/powerpc/boot/dts/kuroboxHG.dts b/arch/powerpc/boot/dts/kuroboxHG.dts
index b13a11eb81b..0e758b347cd 100644
--- a/arch/powerpc/boot/dts/kuroboxHG.dts
+++ b/arch/powerpc/boot/dts/kuroboxHG.dts
@@ -84,7 +84,7 @@ XXXX add flash parts, rtc, ??
 		serial0: serial@80004500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x80004500 0x8>;
 			clock-frequency = <130041000>;
 			current-speed = <9600>;
@@ -95,7 +95,7 @@ XXXX add flash parts, rtc, ??
 		serial1: serial@80004600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x80004600 0x8>;
 			clock-frequency = <130041000>;
 			current-speed = <57600>;
diff --git a/arch/powerpc/boot/dts/mpc8308_p1m.dts b/arch/powerpc/boot/dts/mpc8308_p1m.dts
index 697b3f6b78b..22b0832b6c3 100644
--- a/arch/powerpc/boot/dts/mpc8308_p1m.dts
+++ b/arch/powerpc/boot/dts/mpc8308_p1m.dts
@@ -233,7 +233,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <133333333>;
 			interrupts = <9 0x8>;
@@ -243,7 +243,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <133333333>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8308rdb.dts b/arch/powerpc/boot/dts/mpc8308rdb.dts
index a0bd1881081..f66d10d95a8 100644
--- a/arch/powerpc/boot/dts/mpc8308rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8308rdb.dts
@@ -208,7 +208,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <133333333>;
 			interrupts = <9 0x8>;
@@ -218,7 +218,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <133333333>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts
index ac1eb320c7b..1c836c6c5be 100644
--- a/arch/powerpc/boot/dts/mpc8313erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8313erdb.dts
@@ -261,7 +261,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -271,7 +271,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts
index 4dd08c32297..811848e93ae 100644
--- a/arch/powerpc/boot/dts/mpc8315erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8315erdb.dts
@@ -265,7 +265,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <133333333>;
 			interrupts = <9 0x8>;
@@ -275,7 +275,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <133333333>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts
index 05ad8c98e52..da9c72ddc34 100644
--- a/arch/powerpc/boot/dts/mpc832x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc832x_mds.dts
@@ -105,7 +105,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -115,7 +115,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts
index f4fadb23ad6..ff7b15b340a 100644
--- a/arch/powerpc/boot/dts/mpc832x_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts
@@ -83,7 +83,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -93,7 +93,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts
index 505dc842d80..2608679d0d4 100644
--- a/arch/powerpc/boot/dts/mpc8349emitx.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitx.dts
@@ -283,7 +283,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;		// from bootloader
 			interrupts = <9 0x8>;
@@ -293,7 +293,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;		// from bootloader
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
index eb732115f01..6cd044d8fb8 100644
--- a/arch/powerpc/boot/dts/mpc8349emitxgp.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
@@ -189,7 +189,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;		// from bootloader
 			interrupts = <9 0x8>;
@@ -199,7 +199,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;		// from bootloader
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts
index 230febb9b72..4552864082c 100644
--- a/arch/powerpc/boot/dts/mpc834x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc834x_mds.dts
@@ -242,7 +242,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -252,7 +252,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts
index 45cfa1c50a2..c0e450a551b 100644
--- a/arch/powerpc/boot/dts/mpc836x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc836x_mds.dts
@@ -136,7 +136,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <264000000>;
 			interrupts = <9 0x8>;
@@ -146,7 +146,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <264000000>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc836x_rdk.dts b/arch/powerpc/boot/dts/mpc836x_rdk.dts
index bdf4459677b..b6e9aec1d86 100644
--- a/arch/powerpc/boot/dts/mpc836x_rdk.dts
+++ b/arch/powerpc/boot/dts/mpc836x_rdk.dts
@@ -102,7 +102,7 @@
 
 		serial0: serial@4500 {
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			interrupts = <9 8>;
 			interrupt-parent = <&ipic>;
@@ -112,7 +112,7 @@
 
 		serial1: serial@4600 {
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			interrupts = <10 8>;
 			interrupt-parent = <&ipic>;
diff --git a/arch/powerpc/boot/dts/mpc8377_mds.dts b/arch/powerpc/boot/dts/mpc8377_mds.dts
index 855782c5e5e..cfccef57cd1 100644
--- a/arch/powerpc/boot/dts/mpc8377_mds.dts
+++ b/arch/powerpc/boot/dts/mpc8377_mds.dts
@@ -276,7 +276,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -286,7 +286,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8377_rdb.dts b/arch/powerpc/boot/dts/mpc8377_rdb.dts
index dbc1b988b29..353deff1b7f 100644
--- a/arch/powerpc/boot/dts/mpc8377_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8377_rdb.dts
@@ -321,7 +321,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -331,7 +331,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8377_wlan.dts b/arch/powerpc/boot/dts/mpc8377_wlan.dts
index 9ea78305696..ef4a305a0d0 100644
--- a/arch/powerpc/boot/dts/mpc8377_wlan.dts
+++ b/arch/powerpc/boot/dts/mpc8377_wlan.dts
@@ -304,7 +304,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -314,7 +314,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8378_mds.dts b/arch/powerpc/boot/dts/mpc8378_mds.dts
index f70cf600083..538fcb92733 100644
--- a/arch/powerpc/boot/dts/mpc8378_mds.dts
+++ b/arch/powerpc/boot/dts/mpc8378_mds.dts
@@ -315,7 +315,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -325,7 +325,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;
 			clock-frequency = <0>;
 			interrupts = <10 0x8>;
diff --git a/arch/powerpc/boot/dts/mpc8378_rdb.dts b/arch/powerpc/boot/dts/mpc8378_rdb.dts
index 3447eb9f6e8..32333a908f3 100644
--- a/arch/powerpc/boot/dts/mpc8378_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8378_rdb.dts
@@ -321,7 +321,7 @@
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4500 0x100>;
 			clock-frequency = <0>;
 			interrupts = <9 0x8>;
@@ -331,7 +331,7 @@
 		serial1: serial@4600 {
 			cell-index = <1>;
 			device_type = "serial";
-			compatible = "ns16550";
+			compatible = "fsl,ns16550", "ns16550";
 			reg = <0x4600 0x100>;