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

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Date:	Fri, 7 Feb 2014 15:49:15 +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

Hi,

On 07/02/14 12:12, Christoph Fritz wrote:

> Yes, your patch fixes the issues for sys_clkout2. Thanks! If you want,
> you can add my:
> Tested-by: Christoph Fritz <chf.fritz@...glemail.com>
> 
> Below is my clock fix for dss:
> 
> From b90a62128068e1b6b0ba2a11c5cc0c8e587cf301 Mon Sep 17 00:00:00 2001
> From: Christoph Fritz <chf.fritz@...glemail.com>
> Date: Fri, 7 Feb 2014 10:51:15 +0100
> Subject: [PATCH] ARM: dts: omap36xx: fix dpll4_m4_ck tree
> 
> OMAP36xx has different hardware implementation for the dpll4_m4_ck tree
> compared to other OMAP3 variants. Reflect this properly in the dts file.

I rebased the DSS DT branch on top of v3.14-rc1, and I'm trying to get
beagle-xM working. Pinmuxing was wrong, but after fixing that, the
clk_set_rate for dss fclk failed. I applied Tero's and your patches, but
now when starting omapdss I see:

[   19.704193] omap clock: module associated with clock
dss1_alwon_fck_3430es2 didn't enable in 1000
00 tries

I wonder if I'm still missing some patch?

 Tomi



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