arm: mvebu: add uartX labels for Armada SoC serial nodes

This patch adds uartX labels for Armada SoC serial nodes. This is
a preliminary work to be able to easily reference the serial lines
in Device Tree files. One expected use is when providing stdout-path
property for barebox.

Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Link: https://lkml.kernel.org/r/0683d1a823fe9b75849f3dafcf1cf6ee291cdca6.1416613429.git.arno@natisbad.org
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

2 files changed, 6 insertions, 4 deletions

diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 4d84ca981fe0..2057351ed00b 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -151,7 +151,7 @@
                                 status = "disabled";
                         };
 
-                        serial@12000 {
+                        uart0: serial@12000 {
                                 compatible = "snps,dw-apb-uart";
                                 reg = <0x12000 0x100>;
                                 reg-shift = <2>;
@@ -160,7 +160,8 @@
                                 clocks = <&coreclk 0>;
                                 status = "disabled";
                         };
-                        serial@12100 {
+
+                        uart1: serial@12100 {
                                 compatible = "snps,dw-apb-uart";
                                 reg = <0x12100 0x100>;
                                 reg-shift = <2>;
diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
index a3919b644737..e4ba27ef109b 100644
--- a/arch/arm/boot/dts/armada-xp.dtsi
+++ b/arch/arm/boot/dts/armada-xp.dtsi
@@ -53,7 +53,7 @@
                                 reg = <0x11100 0x100>;
                         };
 
-                        serial@12200 {
+                        uart2: serial@12200 {
                                 compatible = "snps,dw-apb-uart";
                                 reg = <0x12200 0x100>;
                                 reg-shift = <2>;
@@ -62,7 +62,8 @@
                                 clocks = <&coreclk 0>;
                                 status = "disabled";
                         };
-                        serial@12300 {
+
+                        uart3: serial@12300 {
                                 compatible = "snps,dw-apb-uart";
                                 reg = <0x12300 0x100>;
                                 reg-shift = <2>;