linux-kernel - Re: OMAP: clock DT conversion issues with omap36xx

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Message-ID: <52FC98FF.20800@ti.com>
Date:	Thu, 13 Feb 2014 12:05:51 +0200
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Christoph Fritz <chf.fritz@...glemail.com>,
	Tero Kristo <t-kristo@...com>
CC:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <pali.rohar@...il.com>,
	<pavel@....cz>, Nishanth Menon <nm@...com>
Subject: Re: OMAP: clock DT conversion issues with omap36xx

On 13/02/14 11:03, Tomi Valkeinen wrote:
> On 12/02/14 15:18, Tomi Valkeinen wrote:
> 
>> However, I hacked together the patch below, which "fixes" the issue for
>> 96m and dss fclk. It sets the clock parents so that the x2 clocks are
>> skipped, and makes the x2 clock nodes compatible with "unused", making
>> them effectively disappear. I only verified dss fclk, so Christoph, can
>> you verify the 96m clock?
> 
> Aaand the hack patch I sent is crap... We can't skip the x2 clock path,
> as the dpll4_mNx2_ck clock nodes handle enable/disable bit, which is
> present on 3630 also.
> 
> I think the best and simplest way to fix this is by setting the
> multiplier in the dpll4_mNx2_mul_ck nodes to 1. I don't know why I
> didn't think of it yesterday.
> 
> I have a bunch of other patches needed to get the clocks right, so I'll
> send a series separately a bit later today.

I just sent the "OMAP: OMAP3 DSS related clock patches" series to l-o
and arm lists, which hopefully solves issues discussed in this thread.

 Tomi



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