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SubjectRe: [PATCH v5 12/13] arm64: dts: freescale: sl28: enable LED support
Hi Pavel,

Am 2020-07-17 10:36, schrieb Pavel Machek:
> Hi!
>
>> Now that we have support for GPIO lines of the SMARC connector, enable
>> LED support on the KBox A-230-LS. There are two LEDs without fixed
>> functions, one is yellow and one is green. Unfortunately, it is just
>> one
>> multi-color LED, thus while it is possible to enable both at the same
>> time it is hard to tell the difference between "yellow only" and
>> "yellow
>> and green".
>
>> + user_yellow {
>> + label = "s1914:yellow:user";
>> + gpios = <&sl28cpld_gpio0 0 0>;
>> + };
>> +
>> + user_green {
>> + label = "s1914:green:user";
>> + gpios = <&sl28cpld_gpio1 3 0>;
>> + };
>
> This is not suitable label for such LEDs... there's zero chance
> userland will
> know what to do with these.
>
> Do they have some kind of "usual" function?

Unfortunately, they do not. I guess the green one could be something
like
"application ready" and the yellow one could be an indication that some
fault occurred.

Do you have any suggestions?

-michael

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