From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 05/14] ARM: at91: add pinctrl support
Date: Wed, 22 Aug 2012 09:34:48 -0600 [thread overview]
Message-ID: <5034FC18.2090400@wwwdotorg.org> (raw)
In-Reply-To: <CACRpkdZ2__V06Eo8JH451Sup5Nw2jJXVOH2FOfZBp5nNYpCtbg@mail.gmail.com>
On 08/15/2012 08:38 AM, Linus Walleij wrote:
> (Hm maybe I should've read this patch first, well whatever.)
>
> On Fri, Aug 10, 2012 at 3:02 PM, Jean-Christophe PLAGNIOL-VILLARD
> <plagnioj@jcrosoft•com> wrote:
>
>> This is also include the gpio controller as the IP share both.
>> Each soc will have to describe the SoC limitation and pin configuration via
>> DT.
>> +++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
>> +Required properties for iomux controller:
>> +- compatible: "atmel,at91rm9200-pinctrl"
>> +- atmel,mux-mask: array of mask (periph per bank) to describe if a pin can be
>> + configured in this periph mode. All the periph and bank need to be describe.
>
> Can you please be more elaborate on this mux-mask, like what each bit
> means and why the bits are arranged like that and what it means on the
> AT91 platform.... I was first reading the .dts and was like ?woot? so
> I go to the bindings doc and I read this and I'm still like ?woot?..
Yes, I'm a little confused what this is, and wouldn't have a clue how to
fill it in.
>> +static int at91_dt_node_to_map(struct pinctrl_dev *pctldev,
>> + struct device_node *np,
>> + struct pinctrl_map **map, unsigned *num_maps)
>
> DT parse code, looks nice but would request Stephen to have a look
> at it.
I think it looks reasonable; I don't see any obvious issues at a quick
glance.
next prev parent reply other threads:[~2012-08-22 15:34 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-10 12:48 [PATCH 00/14] ARM: at91: add pinctrl support Jean-Christophe PLAGNIOL-VILLARD
2012-08-10 13:01 ` [PATCH 01/14] ARM: at91: gpio: implement request and free Jean-Christophe PLAGNIOL-VILLARD
2012-08-10 13:01 ` [PATCH 02/14] at91: regroup gpio and pinctrl under a simple-bus Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 8:52 ` Linus Walleij
2012-08-18 21:14 ` Arnd Bergmann
2012-08-10 13:02 ` [PATCH 03/14] arm: at91: at91sam9x5: fix gpio number per bank Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 8:54 ` Linus Walleij
2012-09-11 10:21 ` Nicolas Ferre
2012-08-18 21:18 ` Arnd Bergmann
2012-08-20 8:02 ` Jean-Christophe PLAGNIOL-VILLARD
2012-08-10 13:02 ` [PATCH 04/14] ARM: at91: add dummies pinctrl for non dt platform Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 8:55 ` Linus Walleij
2012-09-11 10:22 ` Nicolas Ferre
2012-08-10 13:02 ` [PATCH 05/14] ARM: at91: add pinctrl support Jean-Christophe PLAGNIOL-VILLARD
2012-08-13 14:53 ` Richard Genoud
2012-08-14 2:37 ` Jean-Christophe PLAGNIOL-VILLARD
2012-08-14 7:24 ` Richard Genoud
2012-08-15 14:38 ` Linus Walleij
2012-08-16 12:18 ` Jean-Christophe PLAGNIOL-VILLARD
2012-08-16 15:15 ` Warner Losh
2012-08-22 15:34 ` Stephen Warren [this message]
2012-08-23 7:06 ` Richard Genoud
2012-08-23 17:49 ` Stephen Warren
2012-08-25 8:38 ` Jean-Christophe PLAGNIOL-VILLARD
2012-08-27 23:46 ` Linus Walleij
2012-08-28 6:51 ` Richard Genoud
2012-09-11 10:27 ` Nicolas Ferre
2012-08-10 13:02 ` [PATCH 06/14] arm: at91: dt: at91sam9 " Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 8:57 ` Linus Walleij
2012-08-17 15:39 ` Richard Genoud
2012-08-20 14:09 ` Richard Genoud
2012-08-20 15:11 ` Jean-Christophe PLAGNIOL-VILLARD
2012-08-20 15:43 ` Richard Genoud
2012-09-11 10:29 ` Nicolas Ferre
2012-08-10 13:02 ` [PATCH 07/14] arm: at91: dt: at91sam9 add serial " Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 9:00 ` Linus Walleij
2012-09-11 10:30 ` Nicolas Ferre
2012-08-10 13:02 ` [PATCH 08/14] tty: atmel_serial: add " Jean-Christophe PLAGNIOL-VILLARD
2012-08-10 16:10 ` Greg KH
2012-08-15 9:01 ` Linus Walleij
2012-09-11 10:33 ` Nicolas Ferre
2012-08-10 13:02 ` [PATCH 09/14] arm: at91: dt: sam9m10g45ek: use rts/cts pinctrl group for uart1 Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 9:02 ` Linus Walleij
2012-09-11 10:34 ` Nicolas Ferre
2012-08-10 13:02 ` [PATCH 10/14] arm: at91: dt: sam9263ek: use rts/cts pinctrl group for uart0 Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 9:02 ` Linus Walleij
2012-09-11 10:34 ` Nicolas Ferre
2012-08-10 13:02 ` [PATCH 11/14] arm: at91: dt: sam9g20ek: use rts/cts/dtr/dsr/dcd/ri " Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 9:03 ` Linus Walleij
2012-09-11 10:36 ` Nicolas Ferre
2012-08-10 13:02 ` [PATCH 12/14] MTD: atmel nand: fix gpio missing request Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 9:05 ` Linus Walleij
2012-08-10 13:02 ` [PATCH 13/14] arm: at91: dt: at91sam9 add nand pinctrl support Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 9:06 ` Linus Walleij
2012-08-16 15:19 ` Richard Genoud
2012-08-16 17:38 ` Jean-Christophe PLAGNIOL-VILLARD
2012-08-17 6:53 ` Richard Genoud
2012-08-20 7:58 ` Jean-Christophe PLAGNIOL-VILLARD
2012-08-10 13:02 ` [PATCH 14/14] MTD: atmel_nand: add pinctrl consumer support Jean-Christophe PLAGNIOL-VILLARD
2012-08-15 9:07 ` Linus Walleij
2012-08-24 11:51 ` Artem Bityutskiy
2012-08-15 8:51 ` [PATCH 01/14] ARM: at91: gpio: implement request and free Linus Walleij
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