From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jerry Van Baren <gvb.uboot@gmail.com>
Date: Wed, 20 Aug 2008 22:08:09 -0400
Subject: [U-Boot] [PATCH 0/7] libfdt: Update to resync with dtc/libfdt
In-Reply-To: <20080821015153.GB31701@yookeroo.seuss>
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David Gibson wrote:
> On Wed, Aug 20, 2008 at 09:45:04PM -0400, Jerry Van Baren wrote:
>> gvb.uboot at gmail.com wrote:
>>> The following changesets resynchronize u-boot with the master libfdt.
>>>
>>> Best regards,
>>> gvb
>> First results using aliases with David's libfdt improvements...
>>
>> These are the aliases:
>>
>> => fdt p /aliases
>> aliases {
>>         ethernet0 = "/qe at e0100000/ucc at 2000";
>>         ethernet1 = "/qe at e0100000/ucc at 3000";
>>         serial0 = "/soc8360 at e0000000/serial at 4500";
>>         serial1 = "/soc8360 at e0000000/serial at 4600";
>>         pci0 = "/pci at e0008500";
>> };
>>
>> Dereference an alias by not using the '/' prefix per OF conventions:
>>
>> => fdt print ethernet0
>> ucc at 2000 {
>>         device_type = "network";
>>         compatible = "ucc_geth";
>>         cell-index = <0x1>;
>>         reg = <0x2000 0x200>;
>>         interrupts = <0x20>;
>>         interrupt-parent = <0x2>;
>>         local-mac-address = [00 00 00 00 00 00];
>>         rx-clock-name = "none";
>>         tx-clock-name = "clk9";
>>         phy-handle = <0x3>;
>>         phy-connection-type = "rgmii-id";
>>         pio-handle = <0x4>;
>> };
>>
>> Whooo-heeee!
>>
>> Dereference the ethernet0 alias and print a property:
>>
>> => fdt print ethernet0/phy-connection-type
>> libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND
> 
> Uh... didn't I talk you out of this broken path-to-property stuff way
> back when?

Dang, you are quick.  I just realized that myself.  The alias 
dereference *IS* working as expected.

As you point out, the proper syntax is path <space> property:
=> fdt print ethernet0 phy-connection-type
device_type = "network"

which works just fine.

Thanks!
gvb