From: Lee Jones <lee.jones@linaro.org>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: linus.walleij@stericsson.com, arnd@arndb.de,
Linus Walleij <linus.walleij@linaro.org>,
linux-kernel@vger.kernel.org, grant.likely@secretlab.ca,
linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 09/14] i2c: Add Device Tree support to the Nomadik I2C driver
Date: Thu, 14 Jun 2012 19:59:49 +0100 [thread overview]
Message-ID: <4FDA34A5.7070704@linaro.org> (raw)
In-Reply-To: <20120614184656.GD30185@sirena.org.uk>
On 14/06/12 19:46, Mark Brown wrote:
> On Thu, Jun 14, 2012 at 07:36:36PM +0100, Mark Brown wrote:
>
>> You're not understanding Linus' point. The compatible string isn't
>> useful here because properties like the maximum clock rate of the bus
>> depend on the board design, not the silicon. The controller may be
>> perfectly happy to run at a given rate but other devices on the bus or
>> the electrical engineering of the PCB itself may restrict this further.
>
> Sorry, I read the next revision and see this was actually resolved OK.
Yes, I just went ahead created the bindings anyway. I figured it would
be neater (if no more functional) to keep all the variations in DT.
Especially if we had devices which only varied by one or two settings,
which would still require a complete new struct using the previous method.
--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
M: +44 77 88 633 515
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
WARNING: multiple messages have this Message-ID (diff)
From: lee.jones@linaro.org (Lee Jones)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 09/14] i2c: Add Device Tree support to the Nomadik I2C driver
Date: Thu, 14 Jun 2012 19:59:49 +0100 [thread overview]
Message-ID: <4FDA34A5.7070704@linaro.org> (raw)
In-Reply-To: <20120614184656.GD30185@sirena.org.uk>
On 14/06/12 19:46, Mark Brown wrote:
> On Thu, Jun 14, 2012 at 07:36:36PM +0100, Mark Brown wrote:
>
>> You're not understanding Linus' point. The compatible string isn't
>> useful here because properties like the maximum clock rate of the bus
>> depend on the board design, not the silicon. The controller may be
>> perfectly happy to run at a given rate but other devices on the bus or
>> the electrical engineering of the PCB itself may restrict this further.
>
> Sorry, I read the next revision and see this was actually resolved OK.
Yes, I just went ahead created the bindings anyway. I figured it would
be neater (if no more functional) to keep all the variations in DT.
Especially if we had devices which only varied by one or two settings,
which would still require a complete new struct using the previous method.
--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
M: +44 77 88 633 515
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2012-06-14 18:59 UTC|newest]
Thread overview: 234+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-11 15:24 [PATCH 00/14] Final (large) batch of Snowball Device Tree Enablement Lee Jones
2012-06-11 15:24 ` Lee Jones
2012-06-11 15:24 ` [PATCH 01/14] rtc: ab8500-rtc: IRQF_ONESHOT when requesting a threaded IRQ Lee Jones
2012-06-11 15:24 ` Lee Jones
2012-06-11 15:31 ` Arnd Bergmann
2012-06-11 15:31 ` Arnd Bergmann
2012-06-11 15:37 ` Lee Jones
2012-06-11 15:37 ` Lee Jones
2012-06-11 15:51 ` Greg Kroah-Hartman
2012-06-11 15:51 ` Greg Kroah-Hartman
2012-06-11 16:01 ` Lee Jones
2012-06-11 16:01 ` Lee Jones
2012-06-11 20:54 ` [rtc-linux] " Linus Walleij
2012-06-11 20:54 ` Linus Walleij
2012-06-12 8:57 ` Lee Jones
2012-06-12 8:57 ` Lee Jones
2012-06-13 22:25 ` Andrew Morton
2012-06-13 22:25 ` Andrew Morton
2012-06-14 7:14 ` Lee Jones
2012-06-14 7:14 ` Lee Jones
2012-06-14 7:30 ` Andrew Morton
2012-06-14 7:30 ` Andrew Morton
2012-06-14 8:02 ` Lee Jones
2012-06-14 8:02 ` Lee Jones
2012-06-11 15:24 ` [PATCH 02/14] rtc: Ensure correct probing of the AB8500 RTC when Device Tree is enabled Lee Jones
2012-06-11 15:24 ` Lee Jones
2012-06-11 20:56 ` [rtc-linux] " Linus Walleij
2012-06-11 20:56 ` Linus Walleij
2012-07-02 15:23 ` Lee Jones
2012-07-02 15:23 ` Lee Jones
2012-06-11 15:24 ` [PATCH 03/14] mfd: ab8500-gpadc: Enable IRQF_ONESHOT when requesting a threaded IRQ Lee Jones
2012-06-11 15:24 ` Lee Jones
2012-06-11 20:54 ` Linus Walleij
2012-06-11 20:54 ` Linus Walleij
2012-06-12 8:58 ` Lee Jones
2012-06-12 8:58 ` Lee Jones
2012-06-11 15:24 ` [PATCH 04/14] mfd: Remove redundant Kconfig entry Lee Jones
2012-06-11 15:24 ` Lee Jones
2012-06-11 20:57 ` Linus Walleij
2012-06-11 20:57 ` Linus Walleij
2012-06-11 15:24 ` [PATCH 05/14] mfd: Enable DT probing of the DB8500 PRCMU Lee Jones
2012-06-11 15:24 ` Lee Jones
2012-06-11 20:58 ` Linus Walleij
2012-06-11 20:58 ` Linus Walleij
2012-06-29 14:47 ` Samuel Ortiz
2012-06-29 14:47 ` Samuel Ortiz
2012-06-11 15:24 ` [PATCH 06/14] mfd: Initialise the DB8500 PRCMU driver at core_initcall time Lee Jones
2012-06-11 15:24 ` Lee Jones
2012-06-11 21:01 ` Linus Walleij
2012-06-11 21:01 ` Linus Walleij
2012-06-12 8:11 ` Lee Jones
2012-06-12 8:11 ` Lee Jones
2012-06-12 8:35 ` Lee Jones
2012-06-12 8:35 ` Lee Jones
2012-06-12 12:59 ` Arnd Bergmann
2012-06-12 12:59 ` Arnd Bergmann
2012-06-12 13:23 ` Lee Jones
2012-06-12 13:23 ` Lee Jones
2012-06-12 14:49 ` Arnd Bergmann
2012-06-12 14:49 ` Arnd Bergmann
2012-06-12 15:39 ` Lee Jones
2012-06-12 15:39 ` Lee Jones
2012-06-18 8:32 ` Lee Jones
2012-06-18 8:32 ` Lee Jones
2012-06-29 14:48 ` Samuel Ortiz
2012-06-29 14:48 ` Samuel Ortiz
2012-06-11 15:25 ` [PATCH 07/14] mfd: Initialise the AB8500 " Lee Jones
2012-06-11 15:25 ` Lee Jones
2012-06-11 21:03 ` Linus Walleij
2012-06-11 21:03 ` Linus Walleij
2012-06-12 8:13 ` Lee Jones
2012-06-12 8:13 ` Lee Jones
2012-06-12 8:37 ` Lee Jones
2012-06-12 8:37 ` Lee Jones
2012-06-29 14:51 ` Samuel Ortiz
2012-06-29 14:51 ` Samuel Ortiz
2012-06-11 15:25 ` [PATCH 08/14] mfd: Add IRQ domain support for the AB8500 Lee Jones
2012-06-11 15:25 ` Lee Jones
2012-06-11 21:33 ` Linus Walleij
2012-06-11 21:33 ` Linus Walleij
2012-06-12 8:01 ` Lee Jones
2012-06-12 8:01 ` Lee Jones
2012-06-14 18:32 ` Mark Brown
2012-06-14 18:32 ` Mark Brown
2012-06-15 12:49 ` Lee Jones
2012-06-15 12:49 ` Lee Jones
2012-06-18 9:02 ` Lee Jones
2012-06-18 9:02 ` Lee Jones
2012-06-18 9:32 ` Mark Brown
2012-06-18 9:32 ` Mark Brown
2012-06-18 10:20 ` Russell King - ARM Linux
2012-06-18 10:20 ` Russell King - ARM Linux
2012-06-18 18:56 ` Mark Brown
2012-06-18 18:56 ` Mark Brown
2012-06-20 13:00 ` Lee Jones
2012-06-20 13:00 ` Lee Jones
2012-06-21 7:37 ` Linus Walleij
2012-06-21 7:37 ` Linus Walleij
2012-06-26 9:04 ` Lee Jones
2012-06-26 9:04 ` Lee Jones
2012-06-20 9:12 ` Linus Walleij
2012-06-20 9:12 ` Linus Walleij
2012-06-11 15:25 ` [PATCH 09/14] i2c: Add Device Tree support to the Nomadik I2C driver Lee Jones
2012-06-11 15:25 ` Lee Jones
2012-06-11 19:05 ` Wolfram Sang
2012-06-11 19:05 ` Wolfram Sang
2012-06-12 7:23 ` Lee Jones
2012-06-12 7:23 ` Lee Jones
2012-06-12 8:52 ` Lee Jones
2012-06-12 8:52 ` Lee Jones
2012-06-12 8:52 ` Lee Jones
2012-06-12 8:57 ` Wolfram Sang
2012-06-12 8:57 ` Wolfram Sang
2012-06-12 8:57 ` Wolfram Sang
2012-06-11 20:37 ` Linus Walleij
2012-06-11 20:37 ` Linus Walleij
2012-06-11 20:37 ` Linus Walleij
2012-06-12 7:34 ` Lee Jones
2012-06-12 7:34 ` Lee Jones
2012-06-12 7:34 ` Lee Jones
2012-06-13 5:40 ` Linus Walleij
2012-06-13 5:40 ` Linus Walleij
2012-06-13 5:40 ` Linus Walleij
2012-06-13 7:01 ` Lee Jones
2012-06-13 7:01 ` Lee Jones
2012-06-13 7:01 ` Lee Jones
2012-06-13 8:12 ` Linus Walleij
2012-06-13 8:12 ` Linus Walleij
2012-06-13 12:28 ` Lee Jones
2012-06-13 12:28 ` Lee Jones
2012-06-13 12:28 ` Lee Jones
2012-06-14 18:36 ` Mark Brown
2012-06-14 18:36 ` Mark Brown
2012-06-14 18:36 ` Mark Brown
2012-06-14 18:46 ` Mark Brown
2012-06-14 18:46 ` Mark Brown
2012-06-14 18:46 ` Mark Brown
2012-06-14 18:59 ` Lee Jones [this message]
2012-06-14 18:59 ` Lee Jones
2012-06-14 18:57 ` Lee Jones
2012-06-14 18:57 ` Lee Jones
2012-06-14 18:57 ` Lee Jones
2012-06-15 9:32 ` Mark Brown
2012-06-15 9:32 ` Mark Brown
2012-06-15 9:32 ` Mark Brown
2012-06-15 10:00 ` Lee Jones
2012-06-15 10:00 ` Lee Jones
2012-06-15 10:32 ` Russell King - ARM Linux
2012-06-15 10:32 ` Russell King - ARM Linux
2012-06-15 11:43 ` Lee Jones
2012-06-15 11:43 ` Lee Jones
2012-06-15 11:43 ` Lee Jones
2012-06-13 16:07 ` [PATCH 1/3] " Lee Jones
2012-06-13 16:07 ` Lee Jones
2012-06-13 16:07 ` Lee Jones
2012-06-14 17:12 ` Linus Walleij
2012-06-14 17:12 ` Linus Walleij
2012-06-14 17:12 ` Linus Walleij
2012-06-15 9:02 ` Lee Jones
2012-06-15 9:02 ` Lee Jones
2012-06-15 9:02 ` Lee Jones
[not found] ` <CAE2-_9rRYxjU9QQgtBv9ReMY5x+oRiJG1cDQahYHanjDrwVUYA@mail.gmail.com>
2012-06-15 11:50 ` Fwd: " Srinidhi Kasagar
2012-06-15 11:50 ` Srinidhi Kasagar
2012-06-15 11:50 ` Srinidhi Kasagar
2012-06-15 12:45 ` Lee Jones
2012-06-15 12:45 ` Lee Jones
2012-06-15 12:45 ` Lee Jones
2012-06-15 13:05 ` Srinidhi Kasagar
2012-06-15 13:05 ` Srinidhi Kasagar
2012-06-15 13:05 ` Srinidhi Kasagar
2012-06-15 13:18 ` Lee Jones
2012-06-15 13:18 ` Lee Jones
2012-06-15 13:18 ` Lee Jones
2012-06-15 13:37 ` Srinidhi Kasagar
2012-06-15 13:37 ` Srinidhi Kasagar
2012-06-15 13:37 ` Srinidhi Kasagar
2012-06-15 13:58 ` Lee Jones
2012-06-15 13:58 ` Lee Jones
2012-06-15 13:58 ` Lee Jones
2012-06-17 17:43 ` Linus Walleij
2012-06-17 17:43 ` Linus Walleij
2012-06-17 17:43 ` Linus Walleij
2012-06-18 7:18 ` Lee Jones
2012-06-18 7:18 ` Lee Jones
2012-06-18 7:18 ` Lee Jones
2012-06-18 7:58 ` Srinidhi Kasagar
2012-06-18 7:58 ` Srinidhi Kasagar
2012-06-18 7:58 ` Srinidhi Kasagar
2012-06-18 8:41 ` Lee Jones
2012-06-18 8:41 ` Lee Jones
2012-06-18 8:41 ` Lee Jones
2012-06-13 16:08 ` [PATCH 2/3] ARM: ux500: Add i2c configurations to the Device Tree for DB8500 based devices Lee Jones
2012-06-13 16:08 ` Lee Jones
2012-06-14 17:13 ` Linus Walleij
2012-06-14 17:13 ` Linus Walleij
2012-06-14 17:13 ` Linus Walleij
2012-06-18 11:29 ` Linus Walleij
2012-06-18 11:29 ` Linus Walleij
2012-06-18 11:29 ` Linus Walleij
2012-06-18 11:37 ` Lee Jones
2012-06-18 11:37 ` Lee Jones
2012-06-18 11:37 ` Lee Jones
2012-06-13 16:08 ` [PATCH 3/3] Documentation: Device Tree binding information for i2c-nomadik driver Lee Jones
2012-06-13 16:08 ` Lee Jones
2012-06-13 16:08 ` Lee Jones
2012-06-14 17:13 ` Linus Walleij
2012-06-14 17:13 ` Linus Walleij
2012-06-14 17:13 ` Linus Walleij
2012-06-11 15:25 ` [PATCH 10/14] Input: Add Device Tree support to the ab8500-ponkey driver Lee Jones
2012-06-11 15:25 ` Lee Jones
2012-06-11 15:25 ` [PATCH 11/14] usb: otg: Enable probing of the ab8500 during a Device Tree boot Lee Jones
2012-06-11 15:25 ` Lee Jones
2012-06-11 21:39 ` Linus Walleij
2012-06-11 21:39 ` Linus Walleij
2012-07-02 15:24 ` Lee Jones
2012-07-02 15:24 ` Lee Jones
2012-06-11 15:25 ` [PATCH 12/14] ARM: ux500: Correctly reference IRQs supplied by the AB8500 from Device Tree Lee Jones
2012-06-11 15:25 ` Lee Jones
2012-06-11 21:41 ` Linus Walleij
2012-06-11 21:41 ` Linus Walleij
2012-06-11 15:25 ` [PATCH 13/14] ARM: ux500: Enable the AB8500 RTC for all DT:ed DB8500 based devices Lee Jones
2012-06-11 15:25 ` Lee Jones
2012-06-11 21:42 ` Linus Walleij
2012-06-11 21:42 ` Linus Walleij
2012-06-11 15:25 ` [PATCH 14/14] ARM: ux500: Move rtc-pl031 registration to Device Tree when enabled Lee Jones
2012-06-11 15:25 ` Lee Jones
2012-06-11 21:43 ` Linus Walleij
2012-06-11 21:43 ` Linus Walleij
2012-06-12 8:03 ` Lee Jones
2012-06-12 8:03 ` Lee Jones
2012-06-12 14:32 ` Linus Walleij
2012-06-12 14:32 ` Linus Walleij
2012-06-12 14:44 ` Lee Jones
2012-06-12 14:44 ` Lee Jones
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