From: Benjamin Herrenschmidt <benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
To: Mark Brown
<broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
Cc: "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
"glikely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org"
<glikely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>,
Olof Johansson <olofj-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [RFC 2/2] ARM:Tegra: Device Tree Support: Initialize audio card gpio's from the device tree.
Date: Tue, 31 May 2011 09:27:12 +1000 [thread overview]
Message-ID: <1306798032.7481.641.camel@pasglop> (raw)
In-Reply-To: <20110530070138.GA5036-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
On Mon, 2011-05-30 at 15:01 +0800, Mark Brown wrote:
> On Sun, May 29, 2011 at 08:18:09PM -1000, Mitch Bradley wrote:
>
> > I'm currently dealing with an SoC that has over a hundred GPIOs.
> > Whatever we choose, I think it should be able to handle an insane
> > number of GPIOs without getting any more cumbersome that is
> > necessary.
>
> This is *consumer* side GPIOs, not bindings for the device providing the
> GPIOs. If a single device needs to use hundreds of GPIOs I'd expect
> many of them will be block functions so you'd have a binding with an
> array for things like "databus" and "addrbus".
Yes. Agreed. The producer remains identified by phandle/gpio#, so it's
just a naming thing on the consumer side.
So what are the options ?
- gpio-xxxx = < ... > properties
- existing binding, along with an optional gpio-names string list
- anything else ?
Cheers,
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: benh@kernel.crashing.org (Benjamin Herrenschmidt)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 2/2] ARM:Tegra: Device Tree Support: Initialize audio card gpio's from the device tree.
Date: Tue, 31 May 2011 09:27:12 +1000 [thread overview]
Message-ID: <1306798032.7481.641.camel@pasglop> (raw)
In-Reply-To: <20110530070138.GA5036@opensource.wolfsonmicro.com>
On Mon, 2011-05-30 at 15:01 +0800, Mark Brown wrote:
> On Sun, May 29, 2011 at 08:18:09PM -1000, Mitch Bradley wrote:
>
> > I'm currently dealing with an SoC that has over a hundred GPIOs.
> > Whatever we choose, I think it should be able to handle an insane
> > number of GPIOs without getting any more cumbersome that is
> > necessary.
>
> This is *consumer* side GPIOs, not bindings for the device providing the
> GPIOs. If a single device needs to use hundreds of GPIOs I'd expect
> many of them will be block functions so you'd have a binding with an
> array for things like "databus" and "addrbus".
Yes. Agreed. The producer remains identified by phandle/gpio#, so it's
just a naming thing on the consumer side.
So what are the options ?
- gpio-xxxx = < ... > properties
- existing binding, along with an optional gpio-names string list
- anything else ?
Cheers,
Ben.
next prev parent reply other threads:[~2011-05-30 23:27 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-27 20:56 [RFC 0/2] ARM: Tegra: Device Tree: Audio John Bonesio
2011-05-27 20:56 ` John Bonesio
2011-05-27 20:57 ` [RFC 1/2] ARM:Tegra: Device Tree Support: Initialize the audio card from the device tree John Bonesio
2011-05-27 21:05 ` Grant Likely
2011-05-27 21:05 ` Grant Likely
2011-05-28 1:28 ` Mark Brown
2011-05-28 1:28 ` Mark Brown
2011-06-01 7:07 ` Barry Song
2011-06-01 7:07 ` Barry Song
[not found] ` <BANLkTi=NMjBjWVv_o3PocejhgGr8TdG+1Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-01 16:47 ` Grant Likely
2011-06-01 16:47 ` Grant Likely
[not found] ` <BANLkTi=PtEhxxmZo2DqvmySCmnEd3LbezQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-02 9:07 ` Barry Song
2011-06-02 9:07 ` Barry Song
[not found] ` <BANLkTikWpiY_o27OF-Jxvq7iPeWzrAYOsQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-02 16:04 ` Grant Likely
2011-06-02 16:04 ` Grant Likely
[not found] ` <20110602160445.GA8373-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2011-06-02 16:21 ` Barry Song
2011-06-02 16:21 ` Barry Song
[not found] ` <BANLkTikGp_O-Wd3nMhbV+-RLeXZoWeB6eQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-02 21:43 ` Russell King - ARM Linux
2011-06-02 21:43 ` Russell King - ARM Linux
[not found] ` <20110602214322.GC10532-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2011-06-03 2:32 ` Barry Song
2011-06-03 2:32 ` Barry Song
[not found] ` <BANLkTikiaA3CCRAXkB=x56wtt8nNF9dqxA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-03 6:20 ` Russell King - ARM Linux
2011-06-03 6:20 ` Russell King - ARM Linux
2011-06-02 21:36 ` Russell King - ARM Linux
2011-06-02 21:36 ` Russell King - ARM Linux
[not found] ` <20110602213656.GB10532-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2011-06-03 1:19 ` Barry Song
2011-06-03 1:19 ` Barry Song
[not found] ` <BANLkTimavC-6oMhAHHsBJ2_Em7aXi7eyNQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-07 3:44 ` Barry Song
2011-06-07 3:44 ` Barry Song
2011-06-14 15:42 ` Grant Likely
2011-06-14 15:42 ` Grant Likely
2011-05-27 20:57 ` [RFC 2/2] ARM:Tegra: Device Tree Support: Initialize audio card gpio's " John Bonesio
2011-05-27 21:06 ` Grant Likely
2011-05-27 21:06 ` Grant Likely
2011-05-28 1:24 ` Mark Brown
2011-05-28 1:24 ` Mark Brown
[not found] ` <20110528012427.GB5971-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2011-05-30 3:11 ` Olof Johansson
2011-05-30 3:11 ` Olof Johansson
[not found] ` <BANLkTinKLcYmStvBEGDcN84BapJXe5Y5bg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-05-30 3:38 ` Mark Brown
2011-05-30 3:38 ` Mark Brown
[not found] ` <20110530033826.GE4130-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2011-05-30 6:11 ` Grant Likely
2011-05-30 6:11 ` Grant Likely
[not found] ` <20110530061155.GC23517-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2011-05-30 6:18 ` Mitch Bradley
2011-05-30 6:18 ` Mitch Bradley
[not found] ` <4DE336A1.5040509-D5eQfiDGL7eakBO8gow8eQ@public.gmane.org>
2011-05-30 6:22 ` Grant Likely
2011-05-30 6:22 ` Grant Likely
2011-05-30 7:01 ` Mark Brown
2011-05-30 7:01 ` Mark Brown
[not found] ` <20110530070138.GA5036-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2011-05-30 16:22 ` Grant Likely
2011-05-30 16:22 ` Grant Likely
2011-05-30 18:54 ` Segher Boessenkool
2011-05-30 18:54 ` Segher Boessenkool
[not found] ` <8d2515b13c817cc956b185d043bcef00-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2011-05-30 19:20 ` Grant Likely
2011-05-30 19:20 ` Grant Likely
[not found] ` <BANLkTi=hkScxYpt449CQCky+bLU3UvkC_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-05-30 20:53 ` Mitch Bradley
2011-05-30 20:53 ` Mitch Bradley
[not found] ` <4DE403C5.7060003-D5eQfiDGL7eakBO8gow8eQ@public.gmane.org>
2011-05-31 17:55 ` Stephen Warren
2011-05-31 17:55 ` Stephen Warren
[not found] ` <74CDBE0F657A3D45AFBB94109FB122FF0498E1C22D-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org>
2011-05-31 18:42 ` Mitch Bradley
2011-05-31 18:42 ` Mitch Bradley
[not found] ` <4DE536AD.5080200-D5eQfiDGL7eakBO8gow8eQ@public.gmane.org>
2011-06-01 15:59 ` Stephen Warren
2011-06-01 15:59 ` Stephen Warren
[not found] ` <74CDBE0F657A3D45AFBB94109FB122FF0498E1C3F5-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org>
2011-06-01 16:18 ` Mark Brown
2011-06-01 16:18 ` Mark Brown
[not found] ` <20110601161856.GB15583-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2011-06-02 15:40 ` Grant Likely
2011-06-02 15:40 ` Grant Likely
2011-06-01 21:32 ` Mitch Bradley
2011-06-01 21:32 ` Mitch Bradley
[not found] ` <4DE6AFF7.3040905-D5eQfiDGL7eakBO8gow8eQ@public.gmane.org>
2011-06-03 21:24 ` Stephen Warren
2011-06-03 21:24 ` Stephen Warren
[not found] ` <74CDBE0F657A3D45AFBB94109FB122FF0498E1C870-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org>
2011-06-04 0:25 ` Mitch Bradley
2011-06-04 0:25 ` Mitch Bradley
2011-06-02 14:59 ` Grant Likely
2011-06-02 14:59 ` Grant Likely
2011-06-02 15:40 ` Grant Likely
2011-06-02 15:40 ` Grant Likely
2011-06-28 21:39 ` Grant Likely
2011-06-28 21:39 ` Grant Likely
2011-05-30 23:27 ` Benjamin Herrenschmidt [this message]
2011-05-30 23:27 ` Benjamin Herrenschmidt
2011-05-30 23:49 ` Olof Johansson
2011-05-30 23:49 ` Olof Johansson
[not found] ` <20110530234909.GA3411-O5ziIzlqnXUVNXGz7ipsyg@public.gmane.org>
2011-05-31 0:58 ` Segher Boessenkool
2011-05-31 0:58 ` Segher Boessenkool
2011-05-31 10:24 ` Mark Brown
2011-05-31 10:24 ` Mark Brown
2011-05-30 7:10 ` Mark Brown
2011-05-30 7:10 ` Mark Brown
2011-05-30 23:26 ` Benjamin Herrenschmidt
2011-05-30 23:26 ` Benjamin Herrenschmidt
2011-05-31 10:03 ` Mark Brown
2011-05-31 10:03 ` Mark Brown
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