Hi, On Wed, Mar 6, 2013 at 12:23 PM, Rajesh Bhaskaran <cb.rajesh.in@xxxxxxxxx> wrote: > Hi all , > > I was trying to write a GPIO driver module for Hawkboard , in order to > toggle the LEDs connected to the GPIOs . > > I am using a OMAP L138 processor , and am trying to do a ioremap of the > physical address space to the Kernel's virtual address space . But I guess I > am not able to figure out the exact base address of the GPIO bank . > > I am basically trying to toggle the GPIO Bank 6 . I went through the OMAP > L138 reference manual , but am unable to find the base address . Afterwards > I plan to use the ioctl function to toggle the LEDs . > > Attaching herewith the link to the OMAP L138 reference manual . Reference > manual : www.ti.com/lit/ug/spruh77a/spruh77a.pdf > > Could anyone kindly guide me , on the procedure to decipher the Baseaddress > of the GPIO Bank 6 from the Reference manual ? > You need to go through the memory map of the device refer[1] for this. In [1] refer table 2-4 you will find the entire memory map including GPIO. For GPIO refer this [2] too. Regards, --Prabhakar Lad http://in.linkedin.com/pub/prabhakar-lad/19/92b/955 [1] http://www.ti.com/lit/ds/sprs586d/sprs586d.pdf [2] http://www.ti.com/lit/ug/sprufl8b/sprufl8b.pdf > Thanks in advance ! > > Cheers , > ~RCB~ > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
