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From: Richard Cochran <richardcochran@gmail.com>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, Mugunthan V N <mugunthanvnm@ti.com>,
	Sekhar Nori <nsekhar@ti.com>,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
	Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org,
	Murali Karicheri <m-karicheri2@ti.com>,
	Wingman Kwok <w-kwok2@ti.com>
Subject: Re: [PATCH 4/6] net: ethernet: ti: cpts: add ptp pps support
Date: Tue, 6 Dec 2016 19:08:57 +0100	[thread overview]
Message-ID: <20161206180857.GA20680@localhost.localdomain> (raw)
In-Reply-To: <20161130100519.GD28680@localhost.localdomain>

On Wed, Nov 30, 2016 at 11:05:19AM +0100, Richard Cochran wrote:
> Can you adjust the frequency of the keystone devices in hardware?  If
> so, then please implement it, and just disable PPS for the CPSW.
> 
> The only reason I used the timecounter for frequency adjustment was
> because the am335x HW is broken.  But this shouldn't hold back other
> newer HW without the same silicon flaws.

I am talking here about the ADPLLLJ units.  Are they usable on the
keystone?

If so, please implement the frequency adjustment with them.

Thanks,
Richard

WARNING: multiple messages have this Message-ID (diff)
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 4/6] net: ethernet: ti: cpts: add ptp pps support
Date: Tue, 6 Dec 2016 19:08:57 +0100	[thread overview]
Message-ID: <20161206180857.GA20680@localhost.localdomain> (raw)
In-Reply-To: <20161130100519.GD28680-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>

On Wed, Nov 30, 2016 at 11:05:19AM +0100, Richard Cochran wrote:
> Can you adjust the frequency of the keystone devices in hardware?  If
> so, then please implement it, and just disable PPS for the CPSW.
> 
> The only reason I used the timecounter for frequency adjustment was
> because the am335x HW is broken.  But this shouldn't hold back other
> newer HW without the same silicon flaws.

I am talking here about the ADPLLLJ units.  Are they usable on the
keystone?

If so, please implement the frequency adjustment with them.

Thanks,
Richard
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  reply	other threads:[~2016-12-06 18:09 UTC|newest]

Thread overview: 65+ 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 ` Grygorii Strashko
2016-11-28 23:04 ` [PATCH 1/6] net: ethernet: ti: netcp: add support of cpts Grygorii Strashko
2016-11-28 23:04   ` Grygorii Strashko
2016-11-30  9:44   ` Richard Cochran
2016-11-30 17:31     ` Grygorii Strashko
2016-11-30 17:31       ` Grygorii Strashko
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 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
2016-11-28 23:04   ` Grygorii Strashko
2016-11-30  9:56   ` Richard Cochran
2016-11-30  9:56     ` Richard Cochran
2016-11-30 17:35     ` Grygorii Strashko
2016-11-30 17:35       ` Grygorii Strashko
2016-11-30 17:35       ` Grygorii Strashko
2016-12-06 19:39       ` Grygorii Strashko
2016-12-06 19:39         ` Grygorii Strashko
2016-12-06 20:25         ` Richard Cochran
2016-12-06 20:40           ` Grygorii Strashko
2016-12-06 20:40             ` Grygorii Strashko
2016-12-06 20:40             ` Grygorii Strashko
2016-12-09  0:47         ` Stephen Boyd
2016-12-09 23:29           ` Grygorii Strashko
2016-12-09 23:29             ` Grygorii Strashko
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
2016-11-28 23:04   ` Grygorii Strashko
2016-11-30 10:19   ` Richard Cochran
2016-11-30 10:19     ` Richard Cochran
2016-11-30 11:08   ` Jan Lübbe
2016-11-30 20:15     ` Grygorii Strashko
2016-11-30 20:15       ` Grygorii Strashko
2016-12-03 23:21   ` Richard Cochran
2016-12-08 19:04     ` Grygorii Strashko
2016-12-08 19:04       ` Grygorii Strashko
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
2016-11-28 23:04   ` Grygorii Strashko
2016-11-30 10:05   ` Richard Cochran
2016-12-06 18:08     ` Richard Cochran [this message]
2016-12-06 18:08       ` Richard Cochran
2016-12-06 20:43       ` Grygorii Strashko
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 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
2016-12-02 17:58             ` Grygorii Strashko
2016-12-02 19:28             ` Richard Cochran
2016-12-02 19:28               ` Richard Cochran
2016-11-28 23:04 ` [PATCH 5/6] ARM: keystone: dts: fix netcp clocks and add names Grygorii Strashko
2016-11-28 23:04   ` Grygorii Strashko
2016-11-28 23:04   ` Grygorii Strashko
2016-11-28 23:04 ` [PATCH 6/6] ARM: dts: keystone: enable time synchronization (cpts) submodule Grygorii Strashko
2016-11-28 23:04   ` Grygorii Strashko

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