FW: LED driver

[Hans Schillstrom]

Hi,
Thats right, but the original is for 2.4.2x.
I'll attach the original status_led.c from Denx for you

/Hans

Wolfgang: Sorry about the missing copyright
 

On Thu, 2005-03-17 at 13:47, srinivas.surabhi at wipro.com wrote:
> Thanks a lot for your help. But in my sources I could not find
> immap_cpm2.h file. There is immap_8260.h file, I don't know it is
> similar to that of immap_cpum2.h.
> 
> Can you send the immap_cpum2.h file please?
> 
> I am working on kernel 2.4.20
> 
> -Thanks once again..
> SS
> 
> -----Original Message-----
> From: Hans Schillstrom [mailto:hans.schillstrom at pwav.com]
> Sent: Thursday, March 17, 2005 3:17 PM
> To: Srinivas Surabhi (WT01 - TELECOM SOLUTIONS)
> Cc: linuxppc-embedded at ozlabs.org
> Subject: Re: FW: LED driver
> 
> Hi,
> I have made a driver for our mpc8270 board
> It is based upon Denx led_driver and made for 2.6 kernel
> (See atached file)
> 
> To control the leds you have to perfom some ioctl's
> first create your devices
> mknod led0 c 151 0 ...
> 
> Example howto use it:
> 
> void led_off( int file )
> {
>   if (ioctl(file,STATUSLED_SET,0) < 0)
>     perror("led off: ");
> }
> void led_blink( int file )
> {
>   if (ioctl(file,STATUSLED_SET,1) < 0)
>     perror("led blink: ");
> }
> void led_on( int file )
> {
>   if (ioctl(file,STATUSLED_SET,2) < 0)
>     perror("led on: ");
> }
> void led_per( int file, int period )
> {
>   if (ioctl(file,STATUSLED_PERIOD,period) < 0)
>     perror("led on: ");
> }
> 
> ...
> 
> int led0 = open("/dev/led0",O_RDWR)
> ...
>   led_blink(led0);	/* turn on green LED */
> ..
> /Hans
> 
> 
> On Thu, 2005-03-17 at 06:15, srinivas.surabhi at wipro.com wrote:
> >
> > -----Original Message-----
> > From: Srinivas Surabhi (WT01 - TELECOM SOLUTIONS)
> > Sent: Thursday, March 17, 2005 7:53 AM
> > To: linuxppc-embedded at ozlabs.org
> > Subject: LED driver
> >
> > Hi,
> >
> > I am working on the MPC8270 board having connected GPIO 3 lines
> > connected to 3 LEDs. So can any one help me in finding out the best
> > solution of controlling the LEDs from MVlinux (kernel and user space)
> or
> > any pointers who has done it before.
> >
> > Thanks & Rgds
> > SS
> >
> >
> >
> >
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> 
> 
> 
> Confidentiality Notice
> 
> The information contained in this electronic message and any attachments to this message are intended
> for the exclusive use of the addressee(s) and may contain confidential or privileged information. If
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