From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: devicetree@vger.kernel.org, robh+dt@kernel.org,
pawel.moll@arm.com, mark.rutland@arm.com,
ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
kishon@ti.com
Cc: linux-sh@vger.kernel.org, magnus.damm@gmail.com,
linux-doc@vger.kernel.org, rdunlap@infradead.org,
grant.likely@linaro.org
Subject: Re: [PATCH] phy: Renesas R-Car Gen2 PHY driver
Date: Tue, 08 Apr 2014 21:30:50 +0000 [thread overview]
Message-ID: <53446A8A.5050001@cogentembedded.com> (raw)
In-Reply-To: <201404090102.03074.sergei.shtylyov@cogentembedded.com>
Hello.
On 04/09/2014 01:02 AM, Sergei Shtylyov wrote:
> This PHY, though formally being a part of Renesas USBHS controller, contains the
> UGCTRL2 register that controls multiplexing of the USB ports (Renesas calls them
> channels) to the different USB controllers: channel 0 can be connected to either
> PCI EHCI/OHCI or USBHS controllers, channel 2 can be connected to PCI EHCI/OHCI
> or xHCI controllers.
> This is a new driver for this USB PHY currently already supported under drivers/
> usb/phy/. The reason for writing the new driver was the requirement that the
> multiplexing of USB channels to the controller be dynamic, depending on what
> USB drivers are loaded, rather than static as provided by the old driver.
> The infrastructure provided by drivers/phy/phy-core.c seems to fit that purpose
> ideally. The new driver only supports device tree probing for now.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Oops, I forgot to rebase it against Kishon's linux-phy.git repo's next
branch. I will re-send shortly.
WBR, Sergei
WARNING: multiple messages have this Message-ID (diff)
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: devicetree@vger.kernel.org, robh+dt@kernel.org,
pawel.moll@arm.com, mark.rutland@arm.com,
ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
kishon@ti.com
Cc: linux-sh@vger.kernel.org, magnus.damm@gmail.com,
linux-doc@vger.kernel.org, rdunlap@infradead.org,
grant.likely@linaro.org
Subject: Re: [PATCH] phy: Renesas R-Car Gen2 PHY driver
Date: Wed, 09 Apr 2014 01:30:50 +0400 [thread overview]
Message-ID: <53446A8A.5050001@cogentembedded.com> (raw)
In-Reply-To: <201404090102.03074.sergei.shtylyov@cogentembedded.com>
Hello.
On 04/09/2014 01:02 AM, Sergei Shtylyov wrote:
> This PHY, though formally being a part of Renesas USBHS controller, contains the
> UGCTRL2 register that controls multiplexing of the USB ports (Renesas calls them
> channels) to the different USB controllers: channel 0 can be connected to either
> PCI EHCI/OHCI or USBHS controllers, channel 2 can be connected to PCI EHCI/OHCI
> or xHCI controllers.
> This is a new driver for this USB PHY currently already supported under drivers/
> usb/phy/. The reason for writing the new driver was the requirement that the
> multiplexing of USB channels to the controller be dynamic, depending on what
> USB drivers are loaded, rather than static as provided by the old driver.
> The infrastructure provided by drivers/phy/phy-core.c seems to fit that purpose
> ideally. The new driver only supports device tree probing for now.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Oops, I forgot to rebase it against Kishon's linux-phy.git repo's next
branch. I will re-send shortly.
WBR, Sergei
next prev parent reply other threads:[~2014-04-08 21:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-08 21:02 [PATCH] phy: Renesas R-Car Gen2 PHY driver Sergei Shtylyov
2014-04-08 21:02 ` Sergei Shtylyov
2014-04-08 21:30 ` Sergei Shtylyov [this message]
2014-04-08 21:30 ` Sergei Shtylyov
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