From: Jean-Francois Moine <moinejf@free.fr>
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>,
Boris Brezillon <boris.brezillon@free-electrons.com>,
Vishnu Patekar <vishnupatekar0510@gmail.com>,
Andre Przywara <andre.przywara@arm.com>,
Mike Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>,
Hans de Goede <hdegoede@redhat.com>,
Rob Herring <robh+dt@kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 02/16] clk: sunxi-ng: Add common infrastructure
Date: Tue, 17 May 2016 08:54:27 +0200 [thread overview]
Message-ID: <20160517085427.f2f3aa0c66686f8f5f6318ff@free.fr> (raw)
In-Reply-To: <20160516201509.GL27618@lukather>
On Mon, 16 May 2016 22:15:09 +0200
Maxime Ripard <maxime.ripard@free-electrons.com> wrote:
> > > Yes, I intended it to be a simple busy waiting loop since I don't
> > > expect it to be very long. Do yu have any more data on how much time
> > > it usually takes?
> >=20
> > I have a Soc in which the rate of the audio clock is stable after a
> > good second.
>=20
> You mean before the clock is actually stable, or before the lock bit
> is cleared?
>=20
> Which SoC is it? As far as I've seen, only the H3 allows to configure
> the stable time, and while by default it will take 16us, you can
> configure as high as 66ms (which is still way higher than the current
> limit).
Hi Maxime,
Well, it is not a SoC, but an external chip, the SI5351 (in the Dove
Cubox). There is no lock bit, but as it is used for audio, and as I did
not set any delay at streaming start time, I can hear when the clock is
stable.
--=20
Ken ar c'henta=F1 | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
WARNING: multiple messages have this Message-ID (diff)
From: moinejf@free.fr (Jean-Francois Moine)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 02/16] clk: sunxi-ng: Add common infrastructure
Date: Tue, 17 May 2016 08:54:27 +0200 [thread overview]
Message-ID: <20160517085427.f2f3aa0c66686f8f5f6318ff@free.fr> (raw)
In-Reply-To: <20160516201509.GL27618@lukather>
On Mon, 16 May 2016 22:15:09 +0200
Maxime Ripard <maxime.ripard@free-electrons.com> wrote:
> > > Yes, I intended it to be a simple busy waiting loop since I don't
> > > expect it to be very long. Do yu have any more data on how much time
> > > it usually takes?
> >
> > I have a Soc in which the rate of the audio clock is stable after a
> > good second.
>
> You mean before the clock is actually stable, or before the lock bit
> is cleared?
>
> Which SoC is it? As far as I've seen, only the H3 allows to configure
> the stable time, and while by default it will take 16us, you can
> configure as high as 66ms (which is still way higher than the current
> limit).
Hi Maxime,
Well, it is not a SoC, but an external chip, the SI5351 (in the Dove
Cubox). There is no lock bit, but as it is used for audio, and as I did
not set any delay at streaming start time, I can hear when the clock is
stable.
--
Ken ar c'henta? | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
next prev parent reply other threads:[~2016-05-17 6:54 UTC|newest]
Thread overview: 128+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-08 20:01 [PATCH 00/16] clk: sunxi: introduce "modern" clock support Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 01/16] clk: fix critical clock locking Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-09 22:11 ` Stephen Boyd
2016-05-09 22:11 ` Stephen Boyd
2016-05-13 7:50 ` Maxime Ripard
2016-05-13 7:50 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 02/16] clk: sunxi-ng: Add common infrastructure Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-09 10:01 ` Chen-Yu Tsai
2016-05-09 10:01 ` Chen-Yu Tsai
2016-05-15 18:31 ` Maxime Ripard
2016-05-15 18:31 ` Maxime Ripard
2016-05-16 7:02 ` Chen-Yu Tsai
2016-05-16 7:02 ` Chen-Yu Tsai
2016-05-16 8:02 ` Jean-Francois Moine
2016-05-16 8:02 ` Jean-Francois Moine
2016-05-16 20:15 ` Maxime Ripard
2016-05-16 20:15 ` Maxime Ripard
2016-05-17 6:54 ` Jean-Francois Moine [this message]
2016-05-17 6:54 ` Jean-Francois Moine
2016-05-18 19:59 ` Maxime Ripard
2016-05-18 19:59 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 03/16] clk: sunxi-ng: Add fixed factor clock support Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-09 10:05 ` Chen-Yu Tsai
2016-05-09 10:05 ` Chen-Yu Tsai
2016-05-16 13:15 ` Jean-Francois Moine
2016-05-16 13:15 ` Jean-Francois Moine
2016-05-16 21:08 ` Maxime Ripard
2016-05-16 21:08 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 04/16] clk: sunxi-ng: Add gate " Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 05/16] clk: sunxi-ng: Add mux " Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-21 16:18 ` Chen-Yu Tsai
2016-05-21 16:18 ` Chen-Yu Tsai
2016-05-22 19:20 ` Maxime Ripard
2016-05-22 19:20 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 06/16] clk: sunxi-ng: Add divider table clock Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-21 16:30 ` Chen-Yu Tsai
2016-05-21 16:30 ` Chen-Yu Tsai
2016-05-08 20:01 ` [PATCH 07/16] clk: sunxi-ng: Add phase clock support Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-21 16:43 ` Chen-Yu Tsai
2016-05-21 16:43 ` Chen-Yu Tsai
2016-05-23 17:01 ` Maxime Ripard
2016-05-23 17:01 ` Maxime Ripard
2016-05-24 9:01 ` Chen-Yu Tsai
2016-05-24 9:01 ` Chen-Yu Tsai
2016-05-08 20:01 ` [PATCH 08/16] clk: sunxi-ng: Add M-factor " Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-11 6:46 ` Jean-Francois Moine
2016-05-11 6:46 ` Jean-Francois Moine
2016-05-15 18:51 ` Maxime Ripard
2016-05-15 18:51 ` Maxime Ripard
2016-05-21 17:09 ` Chen-Yu Tsai
2016-05-21 17:09 ` Chen-Yu Tsai
2016-05-22 19:22 ` Maxime Ripard
2016-05-22 19:22 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 09/16] clk: sunxi-ng: Add P-factor " Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 10/16] clk: sunxi-ng: Add M-P factor " Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-23 13:45 ` Chen-Yu Tsai
2016-05-23 13:45 ` Chen-Yu Tsai
2016-05-23 17:18 ` Maxime Ripard
2016-05-23 17:18 ` Maxime Ripard
2016-05-24 4:14 ` Chen-Yu Tsai
2016-05-24 4:14 ` Chen-Yu Tsai
2016-05-24 21:07 ` Maxime Ripard
2016-05-24 21:07 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 11/16] clk: sunxi-ng: Add N-K-factor " Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-23 13:58 ` Chen-Yu Tsai
2016-05-23 13:58 ` Chen-Yu Tsai
2016-05-08 20:01 ` [PATCH 12/16] clk: sunxi-ng: Add N-M-factor " Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-09 7:24 ` Jean-Francois Moine
2016-05-09 7:24 ` Jean-Francois Moine
2016-05-15 19:04 ` Maxime Ripard
2016-05-15 19:04 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 13/16] clk: sunxi-ng: Add N-K-M Factor clock Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-11 8:45 ` Jean-Francois Moine
2016-05-11 8:45 ` Jean-Francois Moine
2016-05-15 19:08 ` Maxime Ripard
2016-05-15 19:08 ` Maxime Ripard
2016-05-23 14:10 ` Chen-Yu Tsai
2016-05-23 14:10 ` Chen-Yu Tsai
2016-05-08 20:01 ` [PATCH 14/16] clk: sunxi-ng: Add N-K-M-P factor clock Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-11 8:49 ` Jean-Francois Moine
2016-05-11 8:49 ` Jean-Francois Moine
2016-05-23 14:36 ` Chen-Yu Tsai
2016-05-23 14:36 ` Chen-Yu Tsai
2016-05-30 7:57 ` Maxime Ripard
2016-05-30 7:57 ` Maxime Ripard
2016-05-08 20:01 ` [PATCH 15/16] clk: sunxi-ng: Add H3 clocks Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
2016-05-09 7:39 ` Jean-Francois Moine
2016-05-09 7:39 ` Jean-Francois Moine
2016-05-15 19:18 ` Maxime Ripard
2016-05-15 19:18 ` Maxime Ripard
2016-05-13 9:45 ` Jean-Francois Moine
2016-05-13 9:45 ` Jean-Francois Moine
2016-05-18 14:02 ` Maxime Ripard
2016-05-18 14:02 ` Maxime Ripard
2016-05-18 16:23 ` Jean-Francois Moine
2016-05-18 16:23 ` Jean-Francois Moine
2016-05-18 16:27 ` Jean-Francois Moine
2016-05-18 16:27 ` Jean-Francois Moine
2016-05-16 13:47 ` Jean-Francois Moine
2016-05-16 13:47 ` Jean-Francois Moine
2016-05-18 21:20 ` Maxime Ripard
2016-05-18 21:20 ` Maxime Ripard
2016-05-30 16:15 ` Chen-Yu Tsai
2016-05-30 16:15 ` Chen-Yu Tsai
2016-06-01 19:19 ` Maxime Ripard
2016-06-01 19:19 ` Maxime Ripard
2016-06-03 6:42 ` Chen-Yu Tsai
2016-06-03 6:42 ` Chen-Yu Tsai
2016-06-03 6:55 ` Chen-Yu Tsai
2016-06-03 6:55 ` Chen-Yu Tsai
2016-05-08 20:01 ` [PATCH 16/16] ARM: dt: sun8i: switch the H3 to the new CCU driver Maxime Ripard
2016-05-08 20:01 ` Maxime Ripard
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