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From: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linuxppc-dev@lists.ozlabs.org list"
	<linuxppc-dev@lists.ozlabs.org>,
	linux-gpio@vger.kernel.org,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	"Albert Herranz" <albert_herranz@yahoo.es>,
	"Segher Boessenkool" <segher@kernel.crashing.org>
Subject: Re: [PATCH v2 3/6] gpio: Add GPIO driver for Nintendo Wii
Date: Wed, 7 Feb 2018 13:54:34 +0100	[thread overview]
Message-ID: <20180207125434.d7wogzlkfthzob5t@latitude> (raw)
In-Reply-To: <CACRpkdZLiw=e-XiS9cbQuJGJ2tJVV86qKaLCy2yG==FSENhAHw@mail.gmail.com>

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On Wed, Feb 07, 2018 at 01:29:45PM +0100, Linus Walleij wrote:
> On Mon, Jan 22, 2018 at 6:04 AM, Jonathan Neuschäfer
> <j.neuschaefer@gmx.net> 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@gmx.net>
> > Cc: Albert Herranz <albert_herranz@yahoo.es>
> > Cc: Segher Boessenkool <segher@kernel.crashing.org>
> > ---
> >
> > v2:
> 
> All looks very good to me, Andy had some additional comments,
> once addressed in v3 I will apply this.
> 
> You only need to resend this patch as I already applied the DT
> bindings.

This driver can't be used until the resource mapping problem on PPC32
(see patch 1/6 and the related discussion) is solved or worked around
with out-of-tree patches (such as patch 1/6). Should I send v3 anyway?


Thanks,
Jonathan Neuschäfer

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  reply	other threads:[~2018-02-07 12:54 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-22  5:04 [PATCH v2 0/6] Nintendo Wii GPIO driver Jonathan Neuschäfer
2018-01-22  5:04 ` [PATCH v2 1/6] resource: Extend the PPC32 reserved memory hack Jonathan Neuschäfer
     [not found]   ` <20180122050411.32460-2-j.neuschaefer-hi6Y0CQ0nG0@public.gmane.org>
2018-01-23 12:58     ` Michael Ellerman
2018-01-23 16:37       ` Jonathan Neuschäfer
2018-01-24  1:23         ` Michael Ellerman
2018-01-27  8:00           ` Jonathan Neuschäfer
2018-01-22  5:04 ` [PATCH v2 2/6] powerpc: wii: Explicitly configure GPIO owner for poweroff pin Jonathan Neuschäfer
2018-01-22  5:04 ` [PATCH v2 3/6] gpio: Add GPIO driver for Nintendo Wii Jonathan Neuschäfer
2018-01-28 17:31   ` Andy Shevchenko
2018-01-31  8:37     ` Jonathan Neuschäfer
2018-02-07 12:29   ` Linus Walleij
2018-02-07 12:54     ` Jonathan Neuschäfer [this message]
2018-01-22  5:04 ` [PATCH v2 4/6] dt-bindings: gpio: Add binding for Wii GPIO controller Jonathan Neuschäfer
2018-02-07 12:26   ` Linus Walleij
2018-01-22  5:04 ` [PATCH v2 5/6] powerpc: wii.dts: Add ngpios property Jonathan Neuschäfer
     [not found] ` <20180122050411.32460-1-j.neuschaefer-hi6Y0CQ0nG0@public.gmane.org>
2018-01-22  5:04   ` [PATCH v2 6/6] powerpc: wii.dts: Add GPIO line names Jonathan Neuschäfer

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