devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Tero Kristo <t-kristo@ti.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>,
	mturquette@linaro.org, linux-omap@vger.kernel.org,
	sassmann@kpanic.de, jsarha@ti.com
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/1] ARM: OMAP: add external clock provider support
Date: Mon, 4 Aug 2014 15:36:19 +0300	[thread overview]
Message-ID: <53DF7E43.2060907@ti.com> (raw)
In-Reply-To: <53DF7094.7050601@ti.com>

On 08/04/2014 02:37 PM, Peter Ujfalusi wrote:
> On 08/01/2014 04:15 PM, Tero Kristo wrote:
>> Hi,
>>
>> This patch adds possibility to register external clocks (outside the main
>> SoC) on TI boards through device tree. Clock sources as such include for
>> example twl-6030 / twl-6040 chips and variants which can be used to clock
>> for example audio / WLAN chips.
>
> Just one question to Mike and Tero:
> would it be possible to have generic binding for such an external clocks?
> We have the palmas clock driver already upstream which handles the 32K clocks
> from the PMIC. Palmas class of PMICs can be used with TI/nVidia(/Intel?)
> platforms. We use Palmas on omap5-uevm, DRA7-EVM also uses Palmas compatible
> PMIC and some nVidia platform also uses this class of devices (and they all
> need to have control over the 32K clock(s)).

Other platforms initialize their clocks in different manner, they can 
use generic of_clk_init I believe. If they can't use that for some 
reason, then they need to implement something similar to this.

-Tero

>
>> This patch can be queued once someone has a use-case + patches that requires
>> usage of such clocks.
>>
>> -Tero
>>
>
>


  reply	other threads:[~2014-08-04 12:36 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-01 13:15 [PATCH 0/1] ARM: OMAP: add external clock provider support Tero Kristo
2014-08-01 13:15 ` [PATCH 1/1] clk: ti: add support for external clock provider Tero Kristo
2014-08-04 10:50   ` Jyri Sarha
2014-08-19 13:22   ` Mark Rutland
2014-08-20  7:39     ` Tero Kristo
2014-08-21 13:42       ` Tero Kristo
2014-08-04 11:37 ` [PATCH 0/1] ARM: OMAP: add external clock provider support Peter Ujfalusi
2014-08-04 12:36   ` Tero Kristo [this message]
2014-09-03 19:28     ` Mike Turquette
2014-09-04  6:48       ` Tero Kristo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=53DF7E43.2060907@ti.com \
    --to=t-kristo@ti.com \
    --cc=devicetree@vger.kernel.org \
    --cc=jsarha@ti.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-omap@vger.kernel.org \
    --cc=mturquette@linaro.org \
    --cc=peter.ujfalusi@ti.com \
    --cc=sassmann@kpanic.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).