From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Fri, 11 Dec 2015 08:42:42 -0700
Subject: [U-Boot] [PATCH 1/2] ns16550: update compatible and reg-shift
	binding
In-Reply-To: <566A767F.2080100@wytron.com.tw>
References: <1449810510-17105-1-git-send-email-thomas@wytron.com.tw>
 <566A60B5.5000201@wwwdotorg.org> <566A767F.2080100@wytron.com.tw>
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On 12/11/2015 12:08 AM, Thomas Chou wrote:
> Hi Stephen,
>
> On 2015?12?11? 13:35, Stephen Warren wrote:
>> On 12/10/2015 10:08 PM, Thomas Chou wrote:
>>> Update compatible and reg-shift in device tree binding.
>>
>> Has this change been submitted to and accepted by the Linux kernel?
>> That's where the official DT binding documents are stored. Honestly I
>> think we should remove the copies in U-Boot to avoid confusion and
>> forking.
>>
>> The content of the change looks reasonable at a quick glance.
>>
>
> These changes actually came from Linux kernel. They are scattered in
> several files. I included only those are prevalent to u-boot.
>
> 8250.txt
> - compatible : one of:
>      - "ns8250"
...
>
> omap_serial.txt
> - compatible : should be "ti,omap2-uart" for OMAP2 controllers
...
>
> snps-dw-apb-uart.txt
> - compatible : "snps,dw-apb-uart"
> - reg-shift : quantity to shift the register offsets by.  If this
> property is not present then the register offsets are not shifted.

If we are going to have DT binding definitions in U-Boot, we should at 
least keep the directory structure, filenames, and file content 
identical to the bindings in the Linux kernel.