# \[PATCH 1/6\] ARM: OMAP1: ams-delta: add GPIO lookup tables

- From: Janusz Krzysztofik \<jmkrzyszt@gmail.com\>
- Date: 2018-05-21 18:10:37 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2018/05/5288935
- Thread: https://ratatoskr.run/linux-arm-kernel/2018/05/5287779/t.md

```text
On Monday, May 21, 2018 7:35:19 PM CEST Tony Lindgren wrote:
> Hi,
> 
> * Janusz Krzysztofik [ref] [180518 14:12]:
> > Scope of the change is limited to GPIO pins used by board specific
> > device drivers which will be updated by follow-up patches of the
> > series. Those are some OMAP GPIO (gpio-0-15) and most of Amstrad Delta
> > latch2 GPIO bank pins. Remaining pins of those banks, as well as
> > Amstrad Delta latch1 pins, will be addressed later.
> > 
> > Assign a label ("latch2") to the bank, enumerate its pins and put that
> > information, together with OMAP GPIO bank pins, in GPIO lookup tables.
> > Assign lookup tables to devices as soon as those devices are registered
> > and their names can be obtained.
> > 
> > A step froward in:
> > - removal of hard-coded GPIO numbers from drivers,
> > - removal of board mach includes from drivers,
> > - switching to dynamically assigned GPIO numbers.
> 
> Is this first patch safe for me to apply separately?

Absolutely, it is.

Thanks,
Janusz
```