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From: Mike Frysinger <vapier@gentoo.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/4] Add a generic struct clk
Date: Mon, 30 May 2011 05:20:11 +0000	[thread overview]
Message-ID: <201105300120.12633.vapier@gentoo.org> (raw)
In-Reply-To: <1305876469.325655.313573683829.0.gpush@pororo>

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On Friday, May 20, 2011 03:27:49 Jeremy Kerr wrote:
> [This series was originally titled 'Add a common struct clk', but
> the goals have changed since that first set of patches. We're now aiming
> for a more complete generic clock infrastructure, rather than just
> abstracting struct clk]
> 
> [This series still needs work, see the TODO section below]

for future series, could you cc uclinux-dist-devel@blackfin.uclinux.org ?  we 
dont do clock management on Blackfin parts atm, but it's something we would 
like to start doing.  our hardware can easily benefit from this.

basically, we have:
xtal -> pll -> divider -> core clock -> divider -> core timer
		\-> divider -> system clock
					|-> spi divider -> spi clock
					|-> i2c divider -> i2c clock
					|-> uart divider -> uart clock
					...etc...
and future parts are only going to get more complicated trees.

atm we only support changing core clock on the fly since it requires 
reprogramming one device (the core timer).  we'd like to support changing the 
other clocks on the fly, but have no framework for doing so.  this obviously 
would address that.
-mike

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WARNING: multiple messages have this Message-ID
From: Mike Frysinger <vapier@gentoo.org>
To: Jeremy Kerr <jeremy.kerr@canonical.com>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-sh@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 0/4] Add a generic struct clk
Date: Mon, 30 May 2011 01:20:11 -0400	[thread overview]
Message-ID: <201105300120.12633.vapier@gentoo.org> (raw)
In-Reply-To: <1305876469.325655.313573683829.0.gpush@pororo>

[-- Attachment #1: Type: Text/Plain, Size: 1151 bytes --]

On Friday, May 20, 2011 03:27:49 Jeremy Kerr wrote:
> [This series was originally titled 'Add a common struct clk', but
> the goals have changed since that first set of patches. We're now aiming
> for a more complete generic clock infrastructure, rather than just
> abstracting struct clk]
> 
> [This series still needs work, see the TODO section below]

for future series, could you cc uclinux-dist-devel@blackfin.uclinux.org ?  we 
dont do clock management on Blackfin parts atm, but it's something we would 
like to start doing.  our hardware can easily benefit from this.

basically, we have:
xtal -> pll -> divider -> core clock -> divider -> core timer
		\-> divider -> system clock
					|-> spi divider -> spi clock
					|-> i2c divider -> i2c clock
					|-> uart divider -> uart clock
					...etc...
and future parts are only going to get more complicated trees.

atm we only support changing core clock on the fly since it requires 
reprogramming one device (the core timer).  we'd like to support changing the 
other clocks on the fly, but have no framework for doing so.  this obviously 
would address that.
-mike

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WARNING: multiple messages have this Message-ID
From: vapier@gentoo.org (Mike Frysinger)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/4] Add a generic struct clk
Date: Mon, 30 May 2011 01:20:11 -0400	[thread overview]
Message-ID: <201105300120.12633.vapier@gentoo.org> (raw)
In-Reply-To: <1305876469.325655.313573683829.0.gpush@pororo>

On Friday, May 20, 2011 03:27:49 Jeremy Kerr wrote:
> [This series was originally titled 'Add a common struct clk', but
> the goals have changed since that first set of patches. We're now aiming
> for a more complete generic clock infrastructure, rather than just
> abstracting struct clk]
> 
> [This series still needs work, see the TODO section below]

for future series, could you cc uclinux-dist-devel at blackfin.uclinux.org ?  we 
dont do clock management on Blackfin parts atm, but it's something we would 
like to start doing.  our hardware can easily benefit from this.

basically, we have:
xtal -> pll -> divider -> core clock -> divider -> core timer
		\-> divider -> system clock
					|-> spi divider -> spi clock
					|-> i2c divider -> i2c clock
					|-> uart divider -> uart clock
					...etc...
and future parts are only going to get more complicated trees.

atm we only support changing core clock on the fly since it requires 
reprogramming one device (the core timer).  we'd like to support changing the 
other clocks on the fly, but have no framework for doing so.  this obviously 
would address that.
-mike
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  parent reply	other threads:[~2011-05-30  5:20 UTC|newest]

Thread overview: 139+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-20  7:27 Jeremy Kerr
2011-05-20  7:27 ` Jeremy Kerr
2011-05-20  7:27 ` Jeremy Kerr
2011-05-20  7:27 ` [PATCH 4/4] clk: Add simple gated clock Jeremy Kerr
2011-05-20  7:27   ` Jeremy Kerr
2011-05-20  7:27   ` Jeremy Kerr
2011-05-20 11:37   ` Arnd Bergmann
2011-05-20 11:37     ` Arnd Bergmann
2011-05-20 11:37     ` Arnd Bergmann
2011-05-20 22:19   ` Rob Herring
2011-05-20 22:19     ` Rob Herring
2011-05-20 22:19     ` Rob Herring
2011-05-20  7:27 ` [PATCH 2/4] clk: Implement clk_set_rate Jeremy Kerr
2011-05-20  7:27   ` Jeremy Kerr
2011-05-20  7:27   ` Jeremy Kerr
2011-05-20 12:25   ` Sascha Hauer
2011-05-20 12:25     ` Sascha Hauer
2011-05-20 12:25     ` Sascha Hauer
2011-05-24  7:59   ` Colin Cross
2011-05-24  7:59     ` Colin Cross
2011-05-24  7:59     ` Colin Cross
2011-05-25 19:03   ` Sascha Hauer
2011-05-25 19:03     ` Sascha Hauer
2011-05-25 19:03     ` Sascha Hauer
     [not found]     ` <1306373867.2875.162.camel@pororo>
2011-05-26  6:54       ` Sascha Hauer
2011-05-26  6:54         ` Sascha Hauer
2011-05-26  6:54         ` Sascha Hauer
2011-05-30  5:05   ` Mike Frysinger
2011-05-30  5:05     ` Mike Frysinger
2011-05-30  5:05     ` Mike Frysinger
2011-05-20  7:27 ` [PATCH 3/4] clk: Add fixed-rate clock Jeremy Kerr
2011-05-20  7:27   ` Jeremy Kerr
2011-05-20  7:27   ` Jeremy Kerr
2011-05-24  7:01   ` Francesco VIRLINZI
2011-05-30  5:01   ` Mike Frysinger
2011-05-30  5:01     ` Mike Frysinger
2011-05-30  5:01     ` Mike Frysinger
2011-05-30  5:02   ` Mike Frysinger
2011-05-30  5:02     ` Mike Frysinger
2011-05-30  5:02     ` Mike Frysinger
2011-05-20  7:27 ` [PATCH 1/4] clk: Add a generic clock infrastructure Jeremy Kerr
2011-05-20  7:27   ` Jeremy Kerr
2011-05-20  7:27   ` Jeremy Kerr
2011-05-20 11:59   ` Sascha Hauer
2011-05-20 11:59     ` Sascha Hauer
2011-05-20 11:59     ` Sascha Hauer
2011-05-20 13:25     ` Thomas Gleixner
2011-05-20 13:25       ` Thomas Gleixner
2011-05-20 13:25       ` Thomas Gleixner
2011-05-20 13:36       ` Sascha Hauer
2011-05-20 13:36         ` Sascha Hauer
2011-05-20 13:36         ` Sascha Hauer
2011-05-23 23:55   ` Colin Cross
2011-05-23 23:55     ` Colin Cross
2011-05-23 23:55     ` Colin Cross
2011-05-24  7:02     ` Sascha Hauer
2011-05-24  7:02       ` Sascha Hauer
2011-05-24  7:02       ` Sascha Hauer
2011-05-24  7:51       ` Colin Cross
2011-05-24  7:51         ` Colin Cross
2011-05-24  7:51         ` Colin Cross
2011-05-24  8:38         ` Sascha Hauer
2011-05-24  8:38           ` Sascha Hauer
2011-05-24  8:38           ` Sascha Hauer
2011-05-25 11:22           ` Richard Zhao
2011-05-25 11:22             ` Richard Zhao
2011-05-25 11:22             ` Richard Zhao
2011-05-25 11:43         ` Thomas Gleixner
2011-05-25 11:43           ` Thomas Gleixner
2011-05-25 11:43           ` Thomas Gleixner
2011-05-24  4:18   ` viresh kumar
2011-05-24  4:30     ` viresh kumar
2011-05-24  4:18     ` viresh kumar
2011-05-25 10:47   ` Richard Zhao
2011-05-25 10:47     ` Richard Zhao
2011-05-25 10:47     ` Richard Zhao
2011-05-30  5:00     ` Mike Frysinger
2011-05-30  5:00       ` Mike Frysinger
2011-05-30  5:00       ` Mike Frysinger
2011-05-23 23:12 ` [PATCH 0/4] Add a generic struct clk Colin Cross
2011-05-23 23:12   ` Colin Cross
2011-05-23 23:12   ` Colin Cross
2011-05-24  6:26   ` Sascha Hauer
2011-05-24  6:26     ` Sascha Hauer
2011-05-24  6:26     ` Sascha Hauer
2011-05-24  7:31     ` Colin Cross
2011-05-24  7:31       ` Colin Cross
2011-05-24  7:31       ` Colin Cross
2011-05-24  8:09       ` Sascha Hauer
2011-05-24  8:09         ` Sascha Hauer
2011-05-24  8:09         ` Sascha Hauer
2011-05-24 19:41         ` Colin Cross
2011-05-24 19:41           ` Colin Cross
2011-05-24 19:41           ` Colin Cross
2011-05-25  2:32           ` Richard Zhao
2011-05-25  2:32             ` Richard Zhao
2011-05-25  2:32             ` Richard Zhao
2011-05-25  6:23           ` Sascha Hauer
2011-05-25  6:23             ` Sascha Hauer
2011-05-25  6:23             ` Sascha Hauer
2011-05-25  7:51           ` Thomas Gleixner
2011-05-25  7:51             ` Thomas Gleixner
2011-05-25  7:51             ` Thomas Gleixner
2011-05-27 14:39           ` Mark Brown
2011-05-27 14:39             ` Mark Brown
2011-05-27 14:39             ` Mark Brown
2011-05-24 17:22   ` Richard Zhao
2011-05-24 17:22     ` Richard Zhao
2011-05-24 17:22     ` Richard Zhao
2011-05-24 17:52     ` Colin Cross
2011-05-24 17:52       ` Colin Cross
2011-05-24 17:52       ` Colin Cross
2011-05-25  2:08       ` Richard Zhao
2011-05-25  2:08         ` Richard Zhao
2011-05-25  2:08         ` Richard Zhao
2011-05-30  5:20 ` Mike Frysinger [this message]
2011-05-30  5:20   ` Mike Frysinger
2011-05-30  5:20   ` Mike Frysinger
2011-07-10  9:09 ` Mark Brown
2011-07-10  9:09   ` Mark Brown
2011-07-10  9:09   ` Mark Brown
2011-07-10  9:50   ` Russell King - ARM Linux
2011-07-10  9:50     ` Russell King - ARM Linux
2011-07-10  9:50     ` Russell King - ARM Linux
2011-07-10 10:00     ` Russell King - ARM Linux
2011-07-10 10:00       ` Russell King - ARM Linux
2011-07-10 10:00       ` Russell King - ARM Linux
2011-07-10 11:27     ` Mark Brown
2011-07-10 11:27       ` Mark Brown
2011-07-10 11:27       ` Mark Brown
2011-07-10 11:52       ` Russell King - ARM Linux
2011-07-10 11:52         ` Russell King - ARM Linux
2011-07-10 11:52         ` Russell King - ARM Linux
2011-07-11  2:49   ` Jeremy Kerr
2011-07-11  2:49     ` Jeremy Kerr
2011-07-11  2:49     ` Jeremy Kerr
2011-07-11  3:57     ` Mark Brown
2011-07-11  3:57       ` Mark Brown
2011-07-11  3:57       ` Mark Brown

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