Re: [PATCH v3 4/6] ARM: dts: imx6q{dl}: fix the wrong RTS/CTS pad name

[Huang Shijie <b32955@freescale.com>]

于 2013年07月07日 19:51, Lothar Waßmann 写道:
> Hi,
>
> Shawn Guo writes:
>> On Fri, Jul 05, 2013 at 02:12:30PM +0800, Huang Shijie wrote:
>>> There is something wrong with the RTS/CTS pads:
>>>    The RTS pad is assigned with the CTS's value;
>>>    while the CTS pad is assigned with the RTS's value.
>>>
>> So basically, you are saying that select_input should be set up for CTS
>> rather than RTS.  It seems that the people who generated the macro got
>> the wrong input from developer.
>>
> programming 'select_input' only makes sense for inputs, not outputs.
> Since CTS is an output signal, select_input only makes sense for the
> RTS function of the pads.
Hi Lothar:

In our imx6 Soc, the CTS is used as a input signal, not as a output signal.

I checked two boards, one is imx6q ARM2 armidillo board, one is 
imx6-sabreauto board,
both the boards use the CTS as a input signal.



thanks
Huang Shijie


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