[PATCH v3 2/4] gpio: Add GPIO driver for Nintendo Wii

Jonathan Neuschäfer j.neuschaefer at gmx.net
Sat Feb 10 02:48:08 AEDT 2018


On Fri, Feb 09, 2018 at 01:07:29PM +0100, Jonathan Neuschäfer wrote:
> The Nintendo Wii's chipset (called "Hollywood") has a GPIO controller
> that supports a configurable number of pins (up to 32), interrupts, and
> some special mechanisms to share the controller between the system's
> security processor (an ARM926) and the PowerPC CPU. Pin multiplexing is
> not supported.
> 
> This patch adds a basic driver for this GPIO controller. Interrupt
> support will come in a later patch.
> 
> This patch is based on code developed by Albert Herranz and the GameCube
> Linux Team, file arch/powerpc/platforms/embedded6xx/hlwd-gpio.c,
> available at https://github.com/DeltaResero/GC-Wii-Linux-Kernels, but
> has grown quite dissimilar.
> 
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer at gmx.net>
> Cc: Albert Herranz <albert_herranz at yahoo.es>
> Cc: Segher Boessenkool <segher at kernel.crashing.org>
> <---

Ooops, I just noticed that I broke the separator here. This should be a
normal --- line, obviously.


Jonathan Neuschäfer
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