[Avila] Gateworks Openwrt and GPIO

[Mark Kelly]

Thanks Chris,

so does the adding 0 2 4 to the mask like was suggested earlier get me
control of those for the gw2345???

Mark

On Wed, 2008-06-11 at 15:22 -0700, Chris Lang wrote:

>  
> 
> Mark,
>  
> For the Avila, the gpio's currently are not configured on a per board
> basis. You will notice in avila-setup.c that it is flagged as needing
> to be done. Instead it has a blanket mask of the following:
>  
> #define AVILA_GPIO_MASK (1 << 1) | (1 << 3) | (1 << 5) | (1 << 7) | (1
> << 9)
>  
> which means that you can only control gpio's 1, 3, 5, 7, and 9.
>  
> You will also need to set them as output's before trying to set/clear
> them. So, in your example, you will need to do the following to
> set/clear gpio 1:
>  
> # gpioctl dirout 1
> # gpioctl set 1
> # gpioctl clear 1
>  
> As for gpio 3, you are able to set/clear it without setting the
> direction because the led driver set's it as an output.
>  
> - Chris 
>         ----- Original Message ----- 
>         From: Mark Kelly 
>         To: avila 
>         Sent: Wednesday, June 11, 2008 11:48 AM
>         Subject: [Avila] Gateworks Openwrt and GPIO
>         
>         
>         
>         Anyone using the current openwrt and their gpiodev?
>         
>         I have this strange problem with my GW2345 and I'm not sure
>         where to look.  I've found in the the openwrt patches where
>         they assign gpio 3 to the LED which works great.  Now what
>         doesn't appear to work is the other gpio on the board.  using
>         the gpioctl package I can control gpio 3 just fine, but  if I
>         try to turn gpio 0,1,2, or 4 on or off with it.  It just sits
>         there.  It acts like it does something, but that status of
>         those gpio never changes.  
>         
>         When I look at the patchset for gpio 3 it appears that it is
>         latched and I'm wondering if I change the other gpio pins to
>         be that way if I can control similarly?
>         
>         
>         
>         
>         
>         
>         
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