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
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [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
next prev parent reply other threads:[~2013-07-19 7:17 UTC|newest]
Thread overview: 110+ 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 ` Sricharan R
2013-07-18 16:43 ` Sricharan R
2013-07-18 16:43 ` [PATCH 1/3] misc: " Sricharan R
2013-07-18 16:43 ` Sricharan R
2013-07-18 16:43 ` Sricharan R
2013-07-18 16:55 ` Joe Perches
2013-07-18 16:55 ` Joe Perches
2013-07-18 18:25 ` Felipe Balbi
2013-07-18 18:25 ` Felipe Balbi
2013-07-18 18:25 ` Felipe Balbi
2013-07-21 16:33 ` Linus Walleij
2013-07-21 16:33 ` Linus Walleij
2013-07-18 18:56 ` Nishanth Menon
2013-07-18 18:56 ` Nishanth Menon
2013-07-18 18:56 ` Nishanth Menon
2013-07-18 23:39 ` Santosh Shilimkar
2013-07-18 23:39 ` Santosh Shilimkar
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 0:13 ` Nishanth Menon
2013-07-19 0:13 ` Nishanth Menon
2013-07-19 10:48 ` Sricharan R
2013-07-19 10:48 ` Sricharan R
2013-07-19 10:48 ` Sricharan R
2013-07-19 7:17 ` Tony Lindgren [this message]
2013-07-19 7:17 ` Tony Lindgren
2013-07-19 10:48 ` Sricharan R
2013-07-19 10:48 ` Sricharan R
2013-07-19 10:48 ` Sricharan R
[not found] ` <51E83A4F.5080904-l0cyMroinI0@public.gmane.org>
2013-07-21 16:49 ` Linus Walleij
2013-07-21 16:49 ` Linus Walleij
2013-07-21 16:49 ` Linus Walleij
2013-07-22 12:20 ` Sricharan R
2013-07-22 12:20 ` Sricharan R
2013-07-22 16:23 ` Santosh Shilimkar
2013-07-22 16:23 ` Santosh Shilimkar
2013-07-24 16:08 ` Nishanth Menon
2013-07-24 16:08 ` Nishanth Menon
2013-07-24 16:38 ` Santosh Shilimkar
2013-07-24 16:38 ` Santosh Shilimkar
2013-07-24 16:47 ` Nishanth Menon
2013-07-24 16:47 ` Nishanth Menon
2013-07-24 18:43 ` Sricharan R
2013-07-24 18:43 ` Sricharan R
2013-07-24 18:51 ` Nishanth Menon
2013-07-24 18:51 ` Nishanth Menon
2013-07-24 18:59 ` Santosh Shilimkar
2013-07-24 18:59 ` Santosh Shilimkar
2013-08-13 8:10 ` Tony Lindgren
2013-08-13 8:10 ` Tony Lindgren
2013-08-13 9:56 ` Sricharan R
2013-08-13 9:56 ` Sricharan R
2013-08-13 9:56 ` Sricharan R
2013-08-13 13:29 ` Santosh Shilimkar
2013-08-13 13:29 ` Santosh Shilimkar
2013-08-13 13:29 ` Santosh Shilimkar
2013-08-15 20:01 ` Linus Walleij
2013-08-15 20:01 ` Linus Walleij
2013-08-15 20:26 ` Santosh Shilimkar
2013-08-15 20:26 ` Santosh Shilimkar
2013-08-15 20:51 ` Linus Walleij
2013-08-15 20:51 ` Linus Walleij
2013-08-15 21:14 ` Santosh Shilimkar
2013-08-15 21:14 ` Santosh Shilimkar
2013-08-15 21:14 ` Santosh Shilimkar
2013-08-21 21:10 ` Linus Walleij
2013-08-21 21:10 ` Linus Walleij
2013-08-22 11:33 ` Sricharan R
2013-08-22 11:33 ` Sricharan R
2013-08-22 11:33 ` Sricharan R
2013-08-22 13:45 ` Santosh Shilimkar
2013-08-22 13:45 ` Santosh Shilimkar
2013-08-23 4:47 ` Rajendra Nayak
2013-08-23 4:47 ` Rajendra Nayak
2013-08-23 6:11 ` Sricharan R
2013-08-23 6:11 ` Sricharan R
2013-08-23 6:17 ` Rajendra Nayak
2013-08-23 6:17 ` Rajendra Nayak
2013-08-23 6:17 ` Rajendra Nayak
2013-08-23 6:36 ` Sekhar Nori
2013-08-23 6:36 ` Sekhar Nori
2013-08-23 6:53 ` Sricharan R
2013-08-23 6:53 ` Sricharan R
2013-08-23 8:14 ` Sekhar Nori
2013-08-23 8:14 ` Sekhar Nori
2013-08-23 8:14 ` Sekhar Nori
2013-08-23 13:38 ` Santosh Shilimkar
2013-08-23 13:38 ` Santosh Shilimkar
2013-08-23 16:28 ` Sekhar Nori
2013-08-23 16:28 ` Sekhar Nori
2013-08-23 16:28 ` Sekhar Nori
2013-08-23 19:06 ` Linus Walleij
2013-08-23 19:06 ` Linus Walleij
2013-08-23 19:44 ` Santosh Shilimkar
2013-08-23 19:44 ` Santosh Shilimkar
2013-08-23 19:44 ` Santosh Shilimkar
2013-08-13 13:28 ` Santosh Shilimkar
2013-08-13 13:28 ` Santosh Shilimkar
2013-08-14 7:27 ` Tony Lindgren
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 16:43 ` Sricharan R
2013-07-18 16:43 ` Sricharan R
2013-07-18 19:04 ` Nishanth Menon
2013-07-18 19:04 ` Nishanth Menon
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
2013-07-18 16:43 ` Sricharan R
2013-07-18 16:43 ` Sricharan R
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