From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Romain Baeriswyl
<Romain.Baeriswyl-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org>
Cc: rmallon-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org,
pawel.moll-5wv7dgnIgG8@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org,
ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org,
rob-VoJi6FS/r0vR7s880joybQ@public.gmane.org,
pierrick.hascoet-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org,
vgupta-HKixBCOQz3hWk0Htik3J/w@public.gmane.org,
christian.ruppert-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org,
chiau.ee.chew-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org,
rafael.j.wysocki-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
romainba-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH v2 1/2] i2c designware make SCL and SDA falling time configurable
Date: Sun, 9 Mar 2014 09:20:32 +0100 [thread overview]
Message-ID: <20140309082032.GD2575@katana> (raw)
In-Reply-To: <1390236223-22584-1-git-send-email-romainba-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org>
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On Mon, Jan 20, 2014 at 05:43:43PM +0100, Romain Baeriswyl wrote:
> This patch allows to set independantly SCL and SDA falling times.
> The tLOW period is computed by taking into account the SCL falling time.
> The tHIGH period is computed by taking into account the SDA falling time.
>
> For instance in case the margin on tLOW is considered too small, it can
> be increased by increasing the SCL falling time which is by default set
> at 300ns.
>
> The same applies for tHIGH period with the help of SDA falling time.
>
> Signed-off-by: Romain Baeriswyl <romainba-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org>
> Reviewed-by: Christian Ruppert <christian.ruppert-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org>
Applied to for-next, thanks!
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Romain Baeriswyl <Romain.Baeriswyl@abilis.com>
Cc: rmallon@gmail.com, mika.westerberg@linux.intel.com,
rob.herring@calxeda.com, pawel.moll@arm.com,
mark.rutland@arm.com, swarren@wwwdotorg.org,
ijc+devicetree@hellion.org.uk, rob@landley.net,
pierrick.hascoet@abilis.com, vgupta@synopsys.com,
christian.ruppert@abilis.com, chiau.ee.chew@intel.com,
khali@linux-fr.org, rafael.j.wysocki@intel.com,
devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,
romainba@abilis.com
Subject: Re: [PATCH v2 1/2] i2c designware make SCL and SDA falling time configurable
Date: Sun, 9 Mar 2014 09:20:32 +0100 [thread overview]
Message-ID: <20140309082032.GD2575@katana> (raw)
In-Reply-To: <1390236223-22584-1-git-send-email-romainba@abilis.com>
[-- Attachment #1: Type: text/plain, Size: 692 bytes --]
On Mon, Jan 20, 2014 at 05:43:43PM +0100, Romain Baeriswyl wrote:
> This patch allows to set independantly SCL and SDA falling times.
> The tLOW period is computed by taking into account the SCL falling time.
> The tHIGH period is computed by taking into account the SDA falling time.
>
> For instance in case the margin on tLOW is considered too small, it can
> be increased by increasing the SCL falling time which is by default set
> at 300ns.
>
> The same applies for tHIGH period with the help of SDA falling time.
>
> Signed-off-by: Romain Baeriswyl <romainba@abilis.com>
> Reviewed-by: Christian Ruppert <christian.ruppert@abilis.com>
Applied to for-next, thanks!
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next prev parent reply other threads:[~2014-03-09 8:20 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-08 11:45 [PATCH 1/2] i2c-designware: make *CNT values configurable Mika Westerberg
2013-07-08 11:45 ` Mika Westerberg
[not found] ` <1373283927-21677-1-git-send-email-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2013-07-08 11:45 ` [PATCH 2/2] i2c-designware: configure *CNT values from ACPI Mika Westerberg
2013-07-08 11:45 ` Mika Westerberg
[not found] ` <1373283927-21677-2-git-send-email-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2013-07-10 13:01 ` Mika Westerberg
2013-07-10 13:01 ` Mika Westerberg
2013-07-08 13:42 ` [PATCH 1/2] i2c-designware: make *CNT values configurable Christian Ruppert
2013-07-08 13:42 ` Christian Ruppert
[not found] ` <20130708134216.GB6402-7oYq3qWSd+k@public.gmane.org>
2013-07-09 8:44 ` Mika Westerberg
2013-07-09 8:44 ` Mika Westerberg
[not found] ` <20130709084402.GF4898-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-07-09 16:19 ` Christian Ruppert
2013-07-09 16:19 ` Christian Ruppert
[not found] ` <20130709161927.GC30236-7oYq3qWSd+k@public.gmane.org>
2013-07-10 10:52 ` Mika Westerberg
2013-07-10 10:52 ` Mika Westerberg
[not found] ` <20130710105215.GY4898-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-07-10 16:56 ` Christian Ruppert
2013-07-10 16:56 ` Christian Ruppert
[not found] ` <20130710165634.GA30693-7oYq3qWSd+k@public.gmane.org>
2013-07-11 7:36 ` Mika Westerberg
2013-07-11 7:36 ` Mika Westerberg
2013-07-11 10:13 ` Mika Westerberg
[not found] ` <20130711101330.GP4898-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-07-12 7:56 ` Shinya Kuribayashi
2013-07-12 7:56 ` Shinya Kuribayashi
[not found] ` <51DFB6C1.4040001-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2013-07-12 8:51 ` Mika Westerberg
2013-07-12 8:51 ` Mika Westerberg
[not found] ` <20130712085140.GY4898-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-07-13 5:36 ` Shinya Kuribayashi
2013-07-13 5:36 ` Shinya Kuribayashi
[not found] ` <51E0E76B.1040304-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2013-07-16 11:16 ` Christian Ruppert
2013-07-16 11:16 ` Christian Ruppert
[not found] ` <20130716111616.GA25835-7oYq3qWSd+k@public.gmane.org>
2013-07-17 14:39 ` Shinya Kuribayashi
2013-07-17 14:39 ` Shinya Kuribayashi
[not found] ` <51E6ACBE.7000509-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2013-07-22 13:17 ` Christian Ruppert
2013-07-22 13:17 ` Christian Ruppert
[not found] ` <20130722131706.GA24081-7oYq3qWSd+k@public.gmane.org>
2013-07-24 14:31 ` Shinya Kuribayashi
2013-07-24 14:31 ` Shinya Kuribayashi
[not found] ` <51EFE550.1000507-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2013-08-05 9:31 ` Christian Ruppert
2013-08-05 9:31 ` Christian Ruppert
[not found] ` <20130805093126.GE20936-7oYq3qWSd+k@public.gmane.org>
2013-08-05 10:02 ` Wolfram Sang
2013-08-05 10:02 ` Wolfram Sang
2013-08-12 7:48 ` Christian Ruppert
2013-08-12 7:48 ` Christian Ruppert
[not found] ` <20130812074800.GA23792-7oYq3qWSd+k@public.gmane.org>
2013-08-12 11:09 ` Wolfram Sang
2013-08-12 11:09 ` Wolfram Sang
2013-08-16 2:15 ` Shinya Kuribayashi
2013-08-16 2:15 ` Shinya Kuribayashi
2013-08-19 11:36 ` Mika Westerberg
[not found] ` <20130819113604.GN4898-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-08-19 12:22 ` Shinya Kuribayashi
2013-08-19 12:22 ` Shinya Kuribayashi
2013-08-21 14:39 ` Christian Ruppert
[not found] ` <20130821143915.GA3046-7oYq3qWSd+k@public.gmane.org>
2013-08-24 4:58 ` Shinya Kuribayashi
2013-08-24 4:58 ` Shinya Kuribayashi
[not found] ` <52183D87.40703-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2013-08-28 15:34 ` Christian Ruppert
2013-08-28 15:34 ` Christian Ruppert
2013-10-08 15:00 ` [PATCH 1/2] i2c designware make SCL and SDA falling time configurable Romain Baeriswyl
2013-10-09 7:55 ` Mika Westerberg
2013-10-10 0:54 ` Ryan Mallon
[not found] ` <5255FAB5.7080803-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-10-13 11:36 ` Shinya Kuribayashi
2013-10-13 11:36 ` Shinya Kuribayashi
[not found] ` <525A85D6.3090608-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2014-01-16 19:43 ` Wolfram Sang
2014-01-16 19:43 ` Wolfram Sang
2014-01-20 16:43 ` [PATCH v2 " Romain Baeriswyl
[not found] ` <1390236223-22584-1-git-send-email-romainba-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org>
2014-03-09 8:20 ` Wolfram Sang [this message]
2014-03-09 8:20 ` Wolfram Sang
[not found] ` <20130828153429.GB7066-7oYq3qWSd+k@public.gmane.org>
2013-10-08 15:00 ` [PATCH 2/2] i2c designware add support of I2C standard mode Romain Baeriswyl
2013-10-08 15:00 ` Romain Baeriswyl
2013-10-09 7:56 ` Mika Westerberg
[not found] ` <20131009075632.GR3521-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-10-13 11:46 ` Shinya Kuribayashi
2013-10-13 11:46 ` Shinya Kuribayashi
2014-01-16 19:33 ` Wolfram Sang
2014-01-20 16:45 ` [PATCH v2 " Romain Baeriswyl
[not found] ` <1390236338-21407-1-git-send-email-romainba-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org>
2014-03-09 8:07 ` Wolfram Sang
2014-03-09 8:07 ` Wolfram Sang
2014-03-25 10:18 ` [PATCH V3 " Romain Baeriswyl
2014-03-25 10:18 ` Romain Baeriswyl
2013-08-19 6:39 ` [PATCH 1/2] i2c-designware: make *CNT values configurable Mika Westerberg
2013-08-19 6:39 ` Mika Westerberg
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