[RFT PATCH v3] ARM: omap1: enable real software node lookup of GPIOs on Nokia 770

[Aaro Koskinen]

Hi,

On Thu, Mar 26, 2026 at 09:57:31AM +0100, Bartosz Golaszewski wrote:
> On Mon, Mar 16, 2026 at 9:50 AM Bartosz Golaszewski <brgl at kernel.org> wrote:
> > On Fri, Mar 6, 2026 at 1:31 AM Kevin Hilman <khilman at kernel.org> wrote:
> > > Bartosz Golaszewski <brgl at kernel.org> writes:
> > > > On Thu, Feb 12, 2026 at 12:46 PM Arnd Bergmann <arnd at kernel.org> wrote:
> > > >> On Thu, Feb 12, 2026, at 12:25, Bartosz Golaszewski wrote:
> > > >> > Currently the board file for Nokia 770 creates dummy software nodes not
> > > >> > attached in any way to the actual GPIO controller devices and uses the
> > > >> > fact that GPIOLIB matching swnode's name to the GPIO chip's label during
> > > >> > software node lookup. This behavior is wrong and we want to remove it.
> > > >> > To that end, we need to first convert all existing users to creating
> > > >> > actual fwnode links.
> > > >> >
> > > >> > Create real software nodes for GPIO controllers on OMAP16xx and
> > > >> > reference them from the software nodes in the nokia board file.
> > > >> >
> > > >> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski at oss.qualcomm.com>
> > > >>
> > > >> Acked-by: Arnd Bergmann <arnd at arndb.de>
> > > >
> > > > Aaro, Janusz: Can you please pick it up for v7.1?
> > >
> > > I can take this via the OMAP tree once I have confirmation from
> > > Aaro/Janusz that they've tested.
> 
> Hi again! Any chance we could get this queued? Janusz, Aaro: any objections?

Unfortunately the patch doesn't work - 770 just dies silently. This
means that e.g. CBUS GPIOs are not working as those are needed to keep
the device powered. I'll try to figure out how to debug this...

A.