From: broonie@opensource.wolfsonmicro.com (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC] clk: add support for automatic parent handling
Date: Mon, 25 Apr 2011 11:57:45 +0100 [thread overview]
Message-ID: <20110425105744.GA30859@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <20110425020348.GA6540@shlinux1.ap.freescale.net>
On Mon, Apr 25, 2011 at 10:03:49AM +0800, Richard Zhao wrote:
> On Thu, Apr 21, 2011 at 01:35:42PM +0100, Mark Brown wrote:
> > Please bear in mind that due to the fact that we've currently got one
> > clock implementation per subarchitecture anything off-SoC has some
> > serious barriers to implementation in kernel. For the system management
> > units you'd be looking at very new systems, this is a new development.
> How many arch have off-soc clocks? Where's the source?
> At least for arm, nearly all is memory mapped clock registers. clk is free
> to override, we just need abstract the most common things.
Even for many ARMs it's common for the clock tree to be rooted in the
PMIC (since it will always be on), and of course the full system clock
tree will not just include the CPU but also any other digital components
in the system.
next prev parent reply other threads:[~2011-04-25 10:57 UTC|newest]
Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-15 19:08 [RFC] sanitizing crazy clock data files Sascha Hauer
2011-04-15 19:08 ` [PATCH 01/10] Add a common struct clk Sascha Hauer
2011-04-21 19:48 ` Thomas Gleixner
2011-04-22 0:28 ` Richard Zhao
2011-04-22 9:23 ` Thomas Gleixner
2011-04-23 14:08 ` Richard Zhao
2011-04-23 15:30 ` Thomas Gleixner
2011-04-24 2:54 ` Richard Zhao
2011-04-24 7:20 ` Linus Walleij
2011-04-24 9:55 ` Richard Zhao
2011-04-22 4:57 ` Saravana Kannan
2011-04-22 9:13 ` Thomas Gleixner
2011-04-29 10:09 ` Russell King - ARM Linux
2011-04-29 10:45 ` Thomas Gleixner
2011-04-29 10:58 ` Tony Lindgren
2011-04-29 11:01 ` Russell King - ARM Linux
2011-04-30 18:30 ` Pavel Machek
2011-04-30 8:06 ` Linus Walleij
2011-04-30 9:01 ` Russell King - ARM Linux
2011-04-30 16:30 ` Linus Walleij
2011-05-01 20:33 ` Rob Herring
2011-05-02 1:09 ` Jeremy Kerr
2011-05-02 3:09 ` Rob Herring
2011-05-02 3:40 ` Jeremy Kerr
2011-05-02 16:30 ` Rob Herring
2011-05-02 22:36 ` Russell King - ARM Linux
2011-05-03 0:22 ` Saravana Kannan
2011-05-04 6:40 ` Sascha Hauer
2011-05-04 18:33 ` Saravana Kannan
2011-05-04 23:35 ` Paul Walmsley
2011-05-10 20:06 ` Saravana Kannan
2011-05-02 16:55 ` David Brown
2011-05-02 17:31 ` Stephen Boyd
2011-04-15 19:08 ` [PATCH 02/10] clk: Generic support for fixed-rate clocks Sascha Hauer
2011-04-15 19:08 ` [PATCH 03/10] clk: Make NULL a valid clock again Sascha Hauer
2011-04-19 0:53 ` Jeremy Kerr
2011-04-19 6:25 ` Sascha Hauer
2011-04-20 12:53 ` Uwe Kleine-König
2011-04-15 19:08 ` [PATCH 04/10] clk: implement parent pass through functions Sascha Hauer
2011-04-18 9:25 ` Uwe Kleine-König
2011-04-18 9:48 ` Sascha Hauer
2011-04-19 17:20 ` Stephen Boyd
2011-04-19 17:53 ` Sascha Hauer
2011-04-19 19:09 ` Uwe Kleine-König
2011-04-19 20:58 ` Sascha Hauer
2011-04-19 21:54 ` Thomas Gleixner
2011-04-20 7:16 ` Uwe Kleine-König
2011-04-20 8:34 ` Thomas Gleixner
2011-04-20 14:07 ` [PATCH RFC] clk: add support for automatic parent handling Uwe Kleine-König
2011-04-20 16:16 ` Thomas Gleixner
2011-04-20 18:59 ` Uwe Kleine-König
2011-04-20 19:52 ` Thomas Gleixner
2011-04-21 6:58 ` Saravana Kannan
2011-04-21 10:33 ` Thomas Gleixner
2011-04-21 19:22 ` torbenh
2011-04-23 23:26 ` Benjamin Herrenschmidt
2011-04-21 7:22 ` Uwe Kleine-König
2011-04-21 9:12 ` Thomas Gleixner
2011-04-21 10:31 ` Mark Brown
2011-04-21 11:42 ` Tony Lindgren
2011-04-21 14:52 ` Thomas Gleixner
2011-04-22 7:09 ` Tony Lindgren
2011-04-22 8:22 ` Thomas Gleixner
2011-04-21 14:29 ` Thomas Gleixner
2011-04-29 10:37 ` Russell King - ARM Linux
2011-04-29 11:01 ` Thomas Gleixner
2011-04-29 11:06 ` Russell King - ARM Linux
2011-04-29 12:13 ` Thomas Gleixner
2011-04-29 13:26 ` Russell King - ARM Linux
2011-04-29 15:31 ` Thomas Gleixner
2011-04-29 22:07 ` Russell King - ARM Linux
2011-04-29 22:16 ` Thomas Gleixner
2011-04-29 22:19 ` Russell King - ARM Linux
2011-04-29 22:47 ` Thomas Gleixner
2011-04-30 14:27 ` torbenh
2011-05-03 6:35 ` Colin Cross
2011-05-05 8:35 ` torbenh
2011-05-03 2:44 ` Saravana Kannan
2011-05-03 2:46 ` Saravana Kannan
2011-04-21 10:13 ` Mark Brown
2011-04-21 11:39 ` Tony Lindgren
2011-04-21 7:42 ` Sascha Hauer
2011-04-21 9:21 ` Thomas Gleixner
2011-04-21 11:50 ` Mark Brown
2011-04-21 12:20 ` Thomas Gleixner
2011-04-21 12:35 ` Mark Brown
2011-04-25 2:03 ` Richard Zhao
2011-04-25 10:57 ` Mark Brown [this message]
2011-04-25 14:41 ` Richard Zhao
2011-04-25 14:44 ` Mark Brown
2011-04-29 10:49 ` Russell King - ARM Linux
2011-04-29 11:11 ` Thomas Gleixner
2011-04-29 11:38 ` Russell King - ARM Linux
2011-04-29 12:19 ` Thomas Gleixner
2011-04-29 13:27 ` Russell King - ARM Linux
2011-04-29 15:47 ` Thomas Gleixner
2011-04-21 12:06 ` Sascha Hauer
2011-04-21 15:38 ` Thomas Gleixner
2011-04-22 0:23 ` Colin Cross
2011-04-22 9:51 ` Thomas Gleixner
2011-04-22 16:14 ` Thomas Gleixner
2011-04-22 16:39 ` Colin Cross
2011-04-22 16:57 ` Thomas Gleixner
2011-04-22 22:26 ` Saravana Kannan
2011-04-22 22:55 ` Thomas Gleixner
2011-04-23 0:48 ` Saravana Kannan
2011-04-23 23:34 ` Benjamin Herrenschmidt
2011-04-22 4:54 ` Saravana Kannan
2011-04-22 9:06 ` Thomas Gleixner
2011-04-29 10:30 ` Russell King - ARM Linux
2011-04-29 10:51 ` Thomas Gleixner
2011-04-29 10:56 ` Russell King - ARM Linux
2011-04-24 9:45 ` Richard Zhao
2011-04-24 20:14 ` Uwe Kleine-König
2011-04-29 10:20 ` [PATCH 04/10] clk: implement parent pass through functions Russell King - ARM Linux
2011-04-15 19:08 ` [PATCH 05/10] clk: Add support for simple dividers Sascha Hauer
2011-04-18 9:49 ` Uwe Kleine-König
2011-04-18 10:07 ` Sascha Hauer
2011-04-19 2:45 ` Saravana Kannan
2011-04-19 7:32 ` Uwe Kleine-König
2011-04-19 8:55 ` Saravana Kannan
2011-04-19 9:31 ` Sascha Hauer
2011-04-19 22:28 ` Saravana Kannan
2011-04-20 6:36 ` Sascha Hauer
2011-04-20 21:45 ` Saravana Kannan
2011-04-21 7:39 ` Uwe Kleine-König
2011-04-28 15:14 ` Russell King - ARM Linux
2011-05-03 3:37 ` Saravana Kannan
2011-05-03 7:12 ` Uwe Kleine-König
2011-04-28 15:22 ` Russell King - ARM Linux
2011-05-02 7:58 ` Sascha Hauer
2011-04-18 22:40 ` Stephen Boyd
2011-04-19 0:32 ` Jeremy Kerr
2011-04-19 5:41 ` Stephen Boyd
2011-04-24 13:48 ` Richard Zhao
2011-04-25 18:51 ` Sascha Hauer
2011-04-26 1:54 ` Richard Zhao
2011-04-15 19:08 ` [PATCH 06/10] clk: Add support for a generic clock multiplexer Sascha Hauer
2011-04-18 13:15 ` Uwe Kleine-König
2011-04-18 13:33 ` Sascha Hauer
2011-04-18 13:54 ` Uwe Kleine-König
2011-04-18 17:54 ` Stephen Boyd
2011-04-18 18:34 ` Russell King - ARM Linux
2011-04-18 18:41 ` Russell King - ARM Linux
2011-04-18 18:46 ` Stephen Boyd
2011-04-15 19:08 ` [PATCH 07/10] ARM i.MX: Support for clock building blocks Sascha Hauer
2011-04-15 19:08 ` [PATCH 08/10] ARM i.MX: Add generic support for pllv2 Sascha Hauer
2011-04-15 19:08 ` [PATCH 09/10] ARM i.MX51/53: reimplement clock support Sascha Hauer
2011-04-15 19:08 ` [PATCH 10/10] ARM i.MX51/53: remove old " Sascha Hauer
2011-04-15 19:36 ` [RFC] sanitizing crazy clock data files Russell King - ARM Linux
2011-04-15 20:12 ` Sascha Hauer
2011-04-15 20:25 ` Russell King - ARM Linux
2011-04-15 20:28 ` Russell King - ARM Linux
2011-04-15 20:49 ` Uwe Kleine-König
2011-04-18 4:07 ` Shawn Guo
2011-04-15 20:45 ` Uwe Kleine-König
2011-04-18 7:42 ` Sascha Hauer
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