From: Tony Lindgren <tony@atomide.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: linux-omap <linux-omap@vger.kernel.org>,
"Cousson, Benoit" <b-cousson@ti.com>,
"devicetree-discuss@lists.ozlabs.org"
<devicetree-discuss@lists.ozlabs.org>,
Grant Likely <grant.likely@secretlab.ca>
Subject: Re: OMAP: Configuring CONTROL_DEVCONF0 register via DT with pinctrl
Date: Wed, 8 Aug 2012 23:36:13 -0700 [thread overview]
Message-ID: <20120809063612.GL11011@atomide.com> (raw)
In-Reply-To: <5022532C.9060804@ti.com>
* Peter Ujfalusi <peter.ujfalusi@ti.com> [120808 04:53]:
> On 08/07/2012 02:10 PM, Tony Lindgren wrote:
> > You need to also consider that CONTROL_DEVCONF0 has the MMC/SDIO module input
> > clock selection. So pinctrl-single binding would have to be expanded to also
> > support one-bit-per-mux type registers in addition to one-register-per-mux
> > registers. And then this could also be used for the MMC/SDIO module input clock.
>
> Or if the clock selection for MMC/SDIO also static on a board we can just do
> the mux config once, configuring McBSP1 and MMC/SDIO at the same time?
Although the DEVCONF0 and 1 seem static, at least with pinctrl framework we
can keep it dynamic if needed and we're not relying on buggy bootloaders to
set it up.
Regards,
Tony
prev parent reply other threads:[~2012-08-09 6:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-27 9:43 OMAP: Configuring CONTROL_DEVCONF0 register via DT with pinctrl Peter Ujfalusi
2012-08-07 11:10 ` Tony Lindgren
2012-08-08 11:53 ` Peter Ujfalusi
2012-08-09 6:36 ` Tony Lindgren [this message]
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