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From: segher@kernel.crashing.org (Segher Boessenkool)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] drivers/amba: probe via device tree
Date: Sat, 21 May 2011 17:18:54 +0200	[thread overview]
Message-ID: <ad5605c2a3d4b36f63f36f52afe89cfd@kernel.crashing.org> (raw)
In-Reply-To: <4DD7D24D.2070604@gmail.com>

> Identifying actual AMBA devices is already done. The question is how 
> to scan the tree for them and how that relates to regular platform 
> devices. The AMBA devices have a binding like this:
>
> compatible = "arm,pl011", "arm,amba-device";
> arm,amba-deviceid = <0x00341011>;

Excellent -- so you just find all devices with compatible 
"arm,amba-device".
How that relates to legacy platform devices, I have no idea.  But you 
got
a workable device binding :-)  Does this sit on a proper (AMBA-type) 
bus as
well?


Segher

WARNING: multiple messages have this Message-ID (diff)
From: Segher Boessenkool <segher-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
To: Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	Jeremy Kerr <jeremy.kerr-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 2/2] drivers/amba: probe via device tree
Date: Sat, 21 May 2011 17:18:54 +0200	[thread overview]
Message-ID: <ad5605c2a3d4b36f63f36f52afe89cfd@kernel.crashing.org> (raw)
In-Reply-To: <4DD7D24D.2070604-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

> Identifying actual AMBA devices is already done. The question is how 
> to scan the tree for them and how that relates to regular platform 
> devices. The AMBA devices have a binding like this:
>
> compatible = "arm,pl011", "arm,amba-device";
> arm,amba-deviceid = <0x00341011>;

Excellent -- so you just find all devices with compatible 
"arm,amba-device".
How that relates to legacy platform devices, I have no idea.  But you 
got
a workable device binding :-)  Does this sit on a proper (AMBA-type) 
bus as
well?


Segher

  reply	other threads:[~2011-05-21 15:18 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-19 18:28 [PATCH v2 0/2] amba bus device tree probing Rob Herring
2011-05-19 18:28 ` Rob Herring
2011-05-19 18:28 ` [PATCH 1/2] dt: check for devices already created fron DT scan Rob Herring
2011-05-19 18:28   ` Rob Herring
2011-05-19 19:54   ` Grant Likely
2011-05-19 19:54     ` Grant Likely
2011-05-19 18:28 ` [PATCH 2/2] drivers/amba: probe via device tree Rob Herring
2011-05-19 18:28   ` Rob Herring
2011-05-19 20:01   ` Grant Likely
2011-05-19 20:01     ` Grant Likely
2011-05-19 23:30     ` Rob Herring
2011-05-19 23:30       ` Rob Herring
2011-05-19 23:39       ` Grant Likely
2011-05-19 23:39         ` Grant Likely
2011-05-20 13:24         ` Rob Herring
2011-05-20 13:24           ` Rob Herring
2011-05-20 14:21           ` Arnd Bergmann
2011-05-20 14:21             ` Arnd Bergmann
2011-05-20 15:17             ` Rob Herring
2011-05-20 15:17               ` Rob Herring
2011-05-20 16:08               ` Stephen Neuendorffer
2011-05-20 16:08                 ` Stephen Neuendorffer
2011-05-21 17:42                 ` Grant Likely
2011-05-21 17:42                   ` Grant Likely
2011-05-21 23:47                   ` Russell King - ARM Linux
2011-05-21 23:47                     ` Russell King - ARM Linux
2011-05-21 23:47                     ` Russell King - ARM Linux
2011-05-22 10:00                     ` Rafael J. Wysocki
2011-05-22 10:00                       ` Rafael J. Wysocki
2011-05-22 10:00                       ` Rafael J. Wysocki
2011-05-22 15:46                     ` Rob Herring
2011-05-22 15:46                       ` Rob Herring
2011-05-22 15:46                       ` Rob Herring
2011-05-23 15:23                     ` Grant Likely
2011-05-23 15:23                       ` Grant Likely
2011-05-22 10:03                   ` Arnd Bergmann
2011-05-22 10:03                     ` Arnd Bergmann
2011-05-22 10:03                     ` Arnd Bergmann
2011-05-25  9:03                     ` Linus Walleij
2011-05-25  9:03                       ` Linus Walleij
2011-05-23  9:37                   ` Kristoffer Glembo
2011-05-23  9:37                     ` Kristoffer Glembo
2011-05-23  9:37                     ` Kristoffer Glembo
2011-05-23  9:58                     ` Russell King - ARM Linux
2011-05-23  9:58                       ` Russell King - ARM Linux
2011-05-23 15:09                       ` Grant Likely
2011-05-23 15:09                         ` Grant Likely
2011-05-23 15:09                         ` Grant Likely
2011-05-24 15:03                         ` Rob Herring
2011-05-24 15:03                           ` Rob Herring
2011-05-24 15:03                           ` Rob Herring
2011-05-25  3:02                           ` Shawn Guo
2011-05-25  3:02                             ` Shawn Guo
2011-05-25  3:02                             ` Shawn Guo
2011-05-25  9:07                           ` Linus Walleij
2011-05-25  9:07                             ` Linus Walleij
2011-05-21 23:35                 ` Russell King - ARM Linux
2011-05-21 23:35                   ` Russell King - ARM Linux
2011-05-23 15:00                   ` Stephen Neuendorffer
2011-05-23 15:00                     ` Stephen Neuendorffer
2011-05-23 15:47                     ` Russell King - ARM Linux
2011-05-23 15:47                       ` Russell King - ARM Linux
2011-05-21  4:00               ` Segher Boessenkool
2011-05-21  4:00                 ` Segher Boessenkool
2011-05-21 14:55                 ` Rob Herring
2011-05-21 14:55                   ` Rob Herring
2011-05-21 15:18                   ` Segher Boessenkool [this message]
2011-05-21 15:18                     ` Segher Boessenkool
2011-05-21 17:43                     ` Grant Likely
2011-05-21 17:43                       ` Grant Likely

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