Andreas,

Ehh, one more thing. It looks like my memory is playing tricks on me.
Please see inline.

On 02.08.2014 02:52, Andreas Färber wrote:

Allows them to be extended by reference.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 v6: Split off from Snow/SMDK cleanups (Doug Anderson)

[snip]

-	serial@12C00000 {
+	uart0: serial@12C00000 {
 		clocks = <&clock CLK_UART0>, <&clock CLK_SCLK_UART0>;
 		clock-names = "uart", "clk_uart_baud0";
 	};
 
-	serial@12C10000 {
+	uart1: serial@12C10000 {
 		clocks = <&clock CLK_UART1>, <&clock CLK_SCLK_UART1>;
 		clock-names = "uart", "clk_uart_baud0";
 	};
 
-	serial@12C20000 {
+	uart2: serial@12C20000 {
 		clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>;
 		clock-names = "uart", "clk_uart_baud0";
 	};
 
-	serial@12C30000 {
+	uart3: serial@12C30000 {
 		clocks = <&clock CLK_UART3>, <&clock CLK_SCLK_UART3>;
 		clock-names = "uart", "clk_uart_baud0";
 	};

I forgot about a series [1] that went through tty tree, which is going
to conflict with this patch. It already adds labels to uart nodes in
serial_X format. I don't really remember why I went with this format for
Exynos SoCs and with uartX for older ones...

[1]
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/arch/arm/boot/dts?id=1e64f48ea7c59fb94acd7551dd9fa68b8a752efc

Best regards,
Tomasz