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From: Tony Lindgren <tony@atomide.com>
To: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Nishanth Menon <nm@ti.com>,
	balbi@ti.com, Sricharan R <r.sricharan@ti.com>,
	linux@arm.linux.org.uk, linux-doc@vger.kernel.org,
	devicetree-discuss@lists.ozlabs.org, rnayak@ti.com,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH 1/3] misc: Add crossbar driver
Date: Fri, 19 Jul 2013 00:17:29 -0700	[thread overview]
Message-ID: <20130719071728.GX7656@atomide.com> (raw)
In-Reply-To: <51E87C98.5030001@ti.com>

> On Thursday 18 July 2013 02:56 PM, Nishanth Menon wrote:
> 
> Since the cross-bar is not limited t0 IRQ lines and applicable for
> DMA request lines as well, making it IRQ chip doesn't make sense. Its
> not typical pin control functionality either but at least that framework
> is much closer to consider as an option.
> 
> Actually its more of setting up the IRQ and DMA pins maps once
> at boot for a given SOC based on chosen configuration by the
> board. So I am leaning towards pinctrl as well. Just haven't
> thought enough about whether thats the best approach.
> 
> CC'ing Linus W and Tony L whether we can use pinctrl framework
> for such an IP and if yes how ;-).

If it really muxes signals then using pinctrl seems logical.
Especially if the registers are in the SCM block.

It might be already possible to handle it already with
pinctrl-single,bits for the muxing part.

Regards,

Tony

  parent reply	other threads:[~2013-07-19  7:17 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-18 16:43 [PATCH 0/3] Add crossbar driver Sricharan R
2013-07-18 16:43 ` [PATCH 1/3] misc: " Sricharan R
2013-07-18 16:55   ` Joe Perches
2013-07-18 18:25   ` Felipe Balbi
2013-07-21 16:33     ` Linus Walleij
2013-07-18 18:56   ` Nishanth Menon
2013-07-18 23:39     ` Santosh Shilimkar
     [not found]       ` <51E87C98.5030001-l0cyMroinI0@public.gmane.org>
2013-07-19  0:13         ` Nishanth Menon
2013-07-19 10:48           ` Sricharan R
2013-07-19  7:17       ` Tony Lindgren [this message]
2013-07-19 10:48         ` Sricharan R
     [not found]     ` <51E83A4F.5080904-l0cyMroinI0@public.gmane.org>
2013-07-21 16:49       ` Linus Walleij
2013-07-22 12:20         ` Sricharan R
2013-07-22 16:23           ` Santosh Shilimkar
2013-07-24 16:08             ` Nishanth Menon
2013-07-24 16:38               ` Santosh Shilimkar
2013-07-24 16:47                 ` Nishanth Menon
2013-07-24 18:43                   ` Sricharan R
2013-07-24 18:51                     ` Nishanth Menon
2013-07-24 18:59                       ` Santosh Shilimkar
2013-08-13  8:10                         ` Tony Lindgren
2013-08-13  9:56                           ` Sricharan R
2013-08-13 13:29                             ` Santosh Shilimkar
2013-08-15 20:01                             ` Linus Walleij
2013-08-15 20:26                               ` Santosh Shilimkar
2013-08-15 20:51                                 ` Linus Walleij
2013-08-15 21:14                                   ` Santosh Shilimkar
2013-08-21 21:10                                     ` Linus Walleij
2013-08-22 11:33                                       ` Sricharan R
2013-08-22 13:45                                         ` Santosh Shilimkar
2013-08-23  4:47                                         ` Rajendra Nayak
2013-08-23  6:11                                           ` Sricharan R
2013-08-23  6:17                                             ` Rajendra Nayak
2013-08-23  6:36                                             ` Sekhar Nori
2013-08-23  6:53                                               ` Sricharan R
2013-08-23  8:14                                                 ` Sekhar Nori
2013-08-23 13:38                                                   ` Santosh Shilimkar
2013-08-23 16:28                                                     ` Sekhar Nori
2013-08-23 19:06                                                       ` Linus Walleij
2013-08-23 19:44                                                         ` Santosh Shilimkar
2013-08-13 13:28                           ` Santosh Shilimkar
2013-08-14  7:27                             ` Tony Lindgren
2013-07-18 16:43 ` [PATCH 2/3] ARM: dts: DRA: Add crossbar device binding Sricharan R
2013-07-18 19:04   ` Nishanth Menon
2013-07-18 16:43 ` [PATCH 3/3] ARM: DRA7xx: Enable crossbar driver for the soc Sricharan R

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