ARM: dts: SAMSUNG: Add aliases of UART nodes

This patch adds alias entries for UART nodes of all SoCs using
samsung-uart compatible UART controllers, so that the dependency on
probe order is removed and deterministic device naming is assured.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/arm/boot/dts/exynos5.dtsi b/arch/arm/boot/dts/exynos5.dtsi
index 79d0608..ff2d2cb 100644 (file)
--- a/arch/arm/boot/dts/exynos5.dtsi
+++ b/arch/arm/boot/dts/exynos5.dtsi
@@ -18,6 +18,13 @@
 / {
        interrupt-parent = <&gic>;
 
+       aliases {
+               serial0 = &serial_0;
+               serial1 = &serial_1;
+               serial2 = &serial_2;
+               serial3 = &serial_3;
+       };
+
        chipid@10000000 {
                compatible = "samsung,exynos4210-chipid";
                reg = <0x10000000 0x100>;
@@ -50,25 +57,25 @@
                interrupts = <1 9 0xf04>;
        };
 
-       serial@12C00000 {
+       serial_0: serial@12C00000 {
                compatible = "samsung,exynos4210-uart";
                reg = <0x12C00000 0x100>;
                interrupts = <0 51 0>;
        };
 
-       serial@12C10000 {
+       serial_1: serial@12C10000 {
                compatible = "samsung,exynos4210-uart";
                reg = <0x12C10000 0x100>;
                interrupts = <0 52 0>;
        };
 
-       serial@12C20000 {
+       serial_2: serial@12C20000 {
                compatible = "samsung,exynos4210-uart";
                reg = <0x12C20000 0x100>;
                interrupts = <0 53 0>;
        };
 
-       serial@12C30000 {
+       serial_3: serial@12C30000 {
                compatible = "samsung,exynos4210-uart";
                reg = <0x12C30000 0x100>;
                interrupts = <0 54 0>;