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From: George Cherian <george.cherian@ti.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-usb@vger.kernel.org, balbi@ti.com,
	linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org,
	linux-omap@vger.kernel.org, kishon@ti.com
Subject: Re: [PATCH v2 2/4] phy: phy-amxxxx-usb: Add PHY driver for amxxxx platform
Date: Tue, 30 Jul 2013 19:54:55 +0530	[thread overview]
Message-ID: <51F7CCB7.4040305@ti.com> (raw)
In-Reply-To: <51F77F15.7090306@linutronix.de>

On 7/30/2013 2:23 PM, Sebastian Andrzej Siewior wrote:
> On 07/30/2013 07:19 AM, George Cherian wrote:
>>> So from what I see now, it is most likely the easiest thing to just add
>>> that wakeup to the phy driver I posted. Do you agree?
>> The whole idea of writing a seperate phy driver was to use the generic
>> phy framework
>> and most of the amxxxx devices have the same phy (eg am335x, am437x).
>> Now since the register is shared in am335x for phy_wkup (Not in the case
>> of am437x)
>> how are you planning to  map it. I feel if omap_control_usb can delegate
>> the writes
>> to phy_wkup, phy_on and phy_off, it makes the life simpler.
> that omap-control driver looks a little strange. It has a compatible
> field saying ti,omap-control-usb and then it requires additionally a
> ti,type property which should have been avoided.

ti,type property is to differentiate between usb2 and usb3 phy for a 
single soc.
for eg: OMAP5 has both usb2 and usb3 phy


-- 
-George

WARNING: multiple messages have this Message-ID (diff)
From: George Cherian <george.cherian@ti.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: <linux-usb@vger.kernel.org>, <balbi@ti.com>,
	<linux-kernel@vger.kernel.org>, <gregkh@linuxfoundation.org>,
	<linux-omap@vger.kernel.org>, <kishon@ti.com>
Subject: Re: [PATCH v2 2/4] phy: phy-amxxxx-usb: Add PHY driver for amxxxx platform
Date: Tue, 30 Jul 2013 19:54:55 +0530	[thread overview]
Message-ID: <51F7CCB7.4040305@ti.com> (raw)
In-Reply-To: <51F77F15.7090306@linutronix.de>

On 7/30/2013 2:23 PM, Sebastian Andrzej Siewior wrote:
> On 07/30/2013 07:19 AM, George Cherian wrote:
>>> So from what I see now, it is most likely the easiest thing to just add
>>> that wakeup to the phy driver I posted. Do you agree?
>> The whole idea of writing a seperate phy driver was to use the generic
>> phy framework
>> and most of the amxxxx devices have the same phy (eg am335x, am437x).
>> Now since the register is shared in am335x for phy_wkup (Not in the case
>> of am437x)
>> how are you planning to  map it. I feel if omap_control_usb can delegate
>> the writes
>> to phy_wkup, phy_on and phy_off, it makes the life simpler.
> that omap-control driver looks a little strange. It has a compatible
> field saying ti,omap-control-usb and then it requires additionally a
> ti,type property which should have been avoided.

ti,type property is to differentiate between usb2 and usb3 phy for a 
single soc.
for eg: OMAP5 has both usb2 and usb3 phy


-- 
-George


  reply	other threads:[~2013-07-30 14:24 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-19 12:34 [PATCH v2 0/4] Add phy support for AM335X platform using Generic PHy framework George Cherian
2013-07-19 12:34 ` George Cherian
2013-07-19 12:34 ` [PATCH v2 1/4] usb: phy: phy-omap-control: Add API to power and wakeup George Cherian
2013-07-19 12:34   ` George Cherian
2013-07-19 13:20   ` Kishon Vijay Abraham I
2013-07-19 13:20     ` Kishon Vijay Abraham I
2013-07-29 14:25   ` Sebastian Andrzej Siewior
2013-07-30  4:53     ` George Cherian
2013-07-30  4:53       ` George Cherian
2013-07-30  7:35       ` Sebastian Andrzej Siewior
2013-07-19 12:34 ` [PATCH v2 2/4] phy: phy-amxxxx-usb: Add PHY driver for amxxxx platform George Cherian
2013-07-19 12:34   ` George Cherian
2013-07-19 13:32   ` Kishon Vijay Abraham I
2013-07-19 13:32     ` Kishon Vijay Abraham I
2013-07-29 15:17   ` Sebastian Andrzej Siewior
2013-07-30  5:19     ` George Cherian
2013-07-30  5:19       ` George Cherian
2013-07-30  8:53       ` Sebastian Andrzej Siewior
2013-07-30 14:24         ` George Cherian [this message]
2013-07-30 14:24           ` George Cherian
2013-07-30 14:33           ` Felipe Balbi
2013-07-30 14:33             ` Felipe Balbi
2013-07-30 14:39             ` Sebastian Andrzej Siewior
2013-07-19 12:34 ` [PATCH v2 3/4] arm: dts: Add USB phy nodes for AM33XX George Cherian
2013-07-19 12:34   ` George Cherian
2013-07-19 13:34   ` Kishon Vijay Abraham I
2013-07-19 13:34     ` Kishon Vijay Abraham I
2013-07-19 13:56   ` Sergei Shtylyov
2013-07-19 14:20     ` Sebastian Andrzej Siewior
2013-07-19 18:33       ` Sergei Shtylyov
2013-07-19 18:42         ` Sebastian Andrzej Siewior
2013-07-20  3:41           ` George Cherian
2013-07-20  3:41             ` George Cherian
2013-07-22  5:45             ` George Cherian
2013-07-22  5:45               ` George Cherian
2013-07-20  3:36         ` George Cherian
2013-07-20  3:36           ` George Cherian
2013-07-19 12:34 ` [PATCH v2 4/4] usb: musb: dsps: Remove the phy control from glue and add phy driver APIs George Cherian
2013-07-19 12:34   ` George Cherian
2013-07-19 13:44   ` Kishon Vijay Abraham I
2013-07-19 13:44     ` Kishon Vijay Abraham I
2013-07-19 13:17 ` [PATCH v2 0/4] Add phy support for AM335X platform using Generic PHy framework Kishon Vijay Abraham I
2013-07-19 13:17   ` Kishon Vijay Abraham I
2013-08-10 11:59 ` Ezequiel Garcia
2013-08-14 10:36   ` Sebastian Andrzej Siewior

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