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>

diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 4d84ca9..2057351 100644 (file)
--- 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 a3919b6..e4ba27e 100644 (file)
--- 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>;