From: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
To: York Sun <yorksun-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
andrey-MoRZu3FOBbXQT0dZR+AlfA@public.gmane.org,
sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
rabeeh-UBr1pzP51AyaMJb+Lgu22Q@public.gmane.org
Subject: Re: clock driver
Date: Tue, 26 May 2015 15:38:29 -0700 [thread overview]
Message-ID: <20150526223829.GA26454@roeck-us.net> (raw)
In-Reply-To: <5564C58B.9050400-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
On Tue, May 26, 2015 at 12:12:11PM -0700, York Sun wrote:
> Linux experts,
>
> I have rewritten a driver for Silicon Labs SI5338 programmable clock chip. The
> original driver was written by Andrey (CC'ed), but was floatingn outside of the
> kernel. The driver was written to use sysfs as the interface, not the common
> clock framework. I wonder if I have to rewrite the driver following common clock
> framework. One concern is to support a feature to accept ClockBuilder (TM)
> output on sysfs. I don't see sysfs support on common clock framework. Please
> correct me if I am wrong.
>
> If not using common clock framework is acceptable, I would like to send a RFC
> patch for review.
>
My original driver for si570 was rejected because it didn't support the clock
framework, so you might face an uphill battle.
SI provides a document for SI5338 describing how to configure it without
using clockbuilder [1]. Can that be used to implement generic code which
doesn't need clockbuilder ?
Guenter
---
[1] https://www.silabs.com/Support%20Documents/TechnicalDocs/Si5338-RM.pdf
next prev parent reply other threads:[~2015-05-26 22:38 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-26 19:12 clock driver York Sun
[not found] ` <5564C58B.9050400-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-05-26 22:38 ` Guenter Roeck [this message]
[not found] ` <20150526223829.GA26454-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
2015-05-27 0:20 ` York Sun
[not found] ` <55650DBA.5000304-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-05-27 0:32 ` York Sun
[not found] ` <5565108D.2020502-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-05-27 7:09 ` Sebastian Hesselbarth
2015-05-27 15:07 ` York Sun
2015-05-27 16:42 ` Sebastian Hesselbarth
[not found] ` <5565F40E.70805-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-05-27 16:46 ` York Sun
[not found] ` <5565F4CA.4080105-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-05-27 17:09 ` Guenter Roeck
2015-05-27 17:10 ` York Sun
2015-05-27 17:30 ` Michael Turquette
2015-05-27 17:45 ` York Sun
[not found] ` <556602BC.6040203-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-05-27 18:15 ` Guenter Roeck
[not found] ` <20150527181521.GA19448-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>
2015-05-27 18:24 ` York Sun
2015-05-27 18:54 ` Guenter Roeck
2015-05-27 18:58 ` York Sun
[not found] ` <14d96cd6d64.f62a1a09739217.9114963256886461171@elphel.com>
[not found] ` <14d96cd6d64.f62a1a09739217.9114963256886461171-MoRZu3FOBbXQT0dZR+AlfA@public.gmane.org>
2015-05-27 23:08 ` Guenter Roeck
2015-05-27 23:58 ` andrey
[not found] ` <14d97d05f05.c0c23a8c778110.9087956443203424916-MoRZu3FOBbXQT0dZR+AlfA@public.gmane.org>
2015-05-28 0:10 ` Guenter Roeck
2015-05-28 0:29 ` andrey
[not found] ` <14d97ec12ae.121e65c4b780118.1307005790953163680-MoRZu3FOBbXQT0dZR+AlfA@public.gmane.org>
2015-05-28 6:11 ` Michael Turquette
2015-05-28 15:24 ` York Sun
2015-06-10 0:40 ` York Sun
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