From mboxrd@z Thu Jan  1 00:00:00 1970
From: andrew@lunn.ch (Andrew Lunn)
Date: Thu, 1 Aug 2013 18:04:14 +0200
Subject: NSA310 + DT
In-Reply-To: <51FA15F3.7050708@uni-bremen.de>
References: <20130730191943.49f8070c@skate> <20130730183610.GT24782@lunn.ch>
 <51F814A0.2050403@uni-bremen.de> <20130730232316.10dc7019@skate>
 <20130731111414.47e7670b@skate> <51F8DC3A.6010007@uni-bremen.de>
 <20130731115108.21c043fd@skate> <51F8F7E3.9090404@uni-bremen.de>
 <20130731164512.GB19725@lunn.ch> <51FA15F3.7050708@uni-bremen.de>
Message-ID: <20130801160414.GI19725@lunn.ch>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

> The LED's on after kernel is loaded, while starting up does not work.
>            pmx_led_sys_green: pmx-led-sys-green {
>                 marvell,pins = "mpp28";
>                 marvell,function = "gpio";
>                 linux,default-trigger = "heartbeat";
>                 brightness = <255>;
>             };
> I first tried default-trigger, then I added brightness additionally
> but LED's wont turn on.

Can you manually turn the LED on, using /sys/class/led/.../brightness?
It could be we have the wrong GPIO line for the led. It would be good
if you could test them all, not just this one led.

> There is no sata hdd trigger and nand-disk does not trigger on sata
> hdd activity.

They are out of tree patches. There was some discussion about SATA led
activity maybe 6 to 9 months ago. Maybe you can see why the suggested
patches got rejected. If i remember correctly, it was because they are
in the hot path.

   Andrew