From: Richard Cochran <richardcochran-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Grygorii Strashko <grygorii.strashko-l0cyMroinI0@public.gmane.org>
Cc: "David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Mugunthan V N <mugunthanvnm-l0cyMroinI0@public.gmane.org>,
Sekhar Nori <nsekhar-l0cyMroinI0@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Murali Karicheri <m-karicheri2-l0cyMroinI0@public.gmane.org>,
Wingman Kwok <w-kwok2-l0cyMroinI0@public.gmane.org>
Subject: Re: [PATCH 2/6] net: ethernet: ti: cpts: add support for ext rftclk selection
Date: Wed, 30 Nov 2016 10:56:32 +0100 [thread overview]
Message-ID: <20161130095632.GC28680@localhost.localdomain> (raw)
In-Reply-To: <20161128230428.6872-3-grygorii.strashko-l0cyMroinI0@public.gmane.org>
On Mon, Nov 28, 2016 at 05:04:24PM -0600, Grygorii Strashko wrote:
> Some CPTS instances, which can be found on KeyStone 2 1/10G Ethernet
> Switch Subsystems, can control an external multiplexer that selects
> one of up to 32 clocks for time sync reference (RFTCLK). This feature
> can be configured through CPTS_RFTCLK_SEL register (offset: x08).
>
> Hence, introduce optional DT cpts_rftclk_sel poperty wich, if present,
> will specify CPTS reference clock. The cpts_rftclk_sel should be
> omitted in DT if HW doesn't support this feature. The external fixed
> rate clocks can be defined in board files as "fixed-clock".
Can't you implement this using the clock tree, rather than an ad-hoc
DT property?
Thanks,
Richard
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next prev parent reply other threads:[~2016-11-30 9:56 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-28 23:04 [PATCH 0/6] net: ethernet: ti: cpts: update and enable support on keystone 2 socs Grygorii Strashko
2016-11-28 23:04 ` [PATCH 1/6] net: ethernet: ti: netcp: add support of cpts Grygorii Strashko
2016-11-30 9:44 ` Richard Cochran
[not found] ` <20161130094441.GB28680-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2016-11-30 17:31 ` Grygorii Strashko
2016-11-30 18:22 ` Richard Cochran
2016-12-05 14:49 ` Rob Herring
2016-12-05 18:25 ` Grygorii Strashko
2016-12-05 19:30 ` Richard Cochran
2016-11-28 23:04 ` [PATCH 2/6] net: ethernet: ti: cpts: add support for ext rftclk selection Grygorii Strashko
[not found] ` <20161128230428.6872-3-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2016-11-30 9:56 ` Richard Cochran [this message]
[not found] ` <20161130095632.GC28680-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2016-11-30 17:35 ` Grygorii Strashko
2016-12-06 19:39 ` Grygorii Strashko
2016-12-06 20:25 ` Richard Cochran
[not found] ` <20161206202558.GB23605-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2016-12-06 20:40 ` Grygorii Strashko
2016-12-09 0:47 ` Stephen Boyd
[not found] ` <20161209004745.GJ5423-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-12-09 23:29 ` Grygorii Strashko
2016-12-05 14:51 ` Rob Herring
2016-11-28 23:04 ` [PATCH 3/6] net: ethernet: ti: cpts: add support of cpts HW_TS_PUSH Grygorii Strashko
[not found] ` <20161128230428.6872-4-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2016-11-30 10:19 ` Richard Cochran
2016-11-30 11:08 ` Jan Lübbe
2016-11-30 20:15 ` Grygorii Strashko
2016-12-03 23:21 ` Richard Cochran
2016-12-08 19:04 ` Grygorii Strashko
2016-12-09 8:50 ` Richard Cochran
2016-11-28 23:04 ` [PATCH 4/6] net: ethernet: ti: cpts: add ptp pps support Grygorii Strashko
2016-11-30 10:05 ` Richard Cochran
[not found] ` <20161130100519.GD28680-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2016-12-06 18:08 ` Richard Cochran
2016-12-06 20:43 ` Grygorii Strashko
2016-11-30 11:01 ` Jan Lübbe
2016-11-30 18:45 ` Richard Cochran
2016-11-30 20:43 ` Grygorii Strashko
2016-11-30 22:17 ` Richard Cochran
2016-12-02 9:58 ` Richard Cochran
2016-12-02 17:58 ` Grygorii Strashko
[not found] ` <bfbebf2d-d057-6a21-845c-48f0a9ab0404-l0cyMroinI0@public.gmane.org>
2016-12-02 19:28 ` Richard Cochran
[not found] ` <20161128230428.6872-1-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2016-11-28 23:04 ` [PATCH 5/6] ARM: keystone: dts: fix netcp clocks and add names Grygorii Strashko
2016-11-28 23:04 ` [PATCH 6/6] ARM: dts: keystone: enable time synchronization (cpts) submodule Grygorii Strashko
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