[OpenWrt-Devel] [PATCH v5] Add support for Ubiquiti EdgeRouter X (UBNT-ERX)

John Crispin blogic at openwrt.org
Sat Dec 12 11:15:38 EST 2015

On 12/12/2015 17:03, Nikolay Martynov wrote:
> Hi
> 2015-12-12 2:01 GMT-05:00 John Crispin <blogic at openwrt.org>:
>> On 12/12/2015 07:50, Nikolay Martynov wrote:
>>> Hi, John.
>>>> as for the led support, you need to add an extra hook function so that
>>>> swconfig can read the per port traffic counters. it can then make gpio
>>>> leds flash based on those values.
>>>   Just to make sure we are on the same page: the problem is that this
>>> router doesn't have gpio-driven leds. Only leds it has are connected
>>> directly to switch and those are not exposed as gpios.
>>>   Is SWCONFIG_LEDS the thing that designed to help is this case? Or is
>>> it for the case when we have leds on gpios and switch without directly
>>> connected leds?
>> ah ok, i though the automagic leds dont work and you have gpio leds.
>> some ODMs do that for unknown reasons. in those cases the you need the
>> SWCONFIG_LEDS. do they just stay silent for you now ?
>   No, they blink with traffic alright.
>   The problem I was trying to solve is to give some visual
> notification during upgrade.
>   Stock firmware locked one led on. I do not have source for stock
> kernel module that does it, but I looked at U-boot and it looks like
> there's some code that controls those leds via mdio. I do not know
> what exactly they are doing - it might well be they just make link
> status stuck on.
>   I couldn't find anything similar to this in linux kernel.

i just checked the switches datasheet and there is a register to turn
the leds into gpios. and another to control them. i'll convert the
relevant bits of the pdf to a header file during the next days.
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