linux-kernel - Re: [PATCH V6 07/12] pinctrl: tegra-xusb: Add USB PHY support

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Message-ID: <CAL1qeaHZCh1AomPTQGKN-ytx7EyW8Gncb64S1ikGk0eB16maRA@mail.gmail.com>
Date:	Wed, 26 Nov 2014 11:41:58 -0800
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Kishon Vijay Abraham I <kishon@...com>
Cc:	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mathias Nyman <mathias.nyman@...el.com>,
	Grant Likely <grant.likely@...aro.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	Felipe Balbi <balbi@...com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: Re: [PATCH V6 07/12] pinctrl: tegra-xusb: Add USB PHY support

On Tue, Nov 25, 2014 at 5:49 AM, Kishon Vijay Abraham I <kishon@...com> wrote:
> Hi,
>
> On Tuesday 25 November 2014 05:47 AM, Andrew Bresticker wrote:
>> In addition to the PCIe and SATA PHYs, the XUSB pad controller also
>> supports 3 UTMI, 2 HSIC, and 2 USB3 PHYs.  Each USB3 PHY uses a single
>> PCIe or SATA lane and is mapped to one of the three UTMI ports.
>>
>> The xHCI controller will also send messages intended for the PHY driver,
>> so request and listen for messages on the mailbox's PHY channel.
>>
>> Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
>> Acked-by: Linus Walleij <linus.walleij@...aro.org>
>> Reviewed-by: Stephen Warren <swarren@...dia.com>
>> ---
>> No changes from v5.
>> Changes from v4:
>>  - Disabled USB support on missing mailbox channel instead of failing
>>    to probe.
>>  - Made usb3-port a pinconfig property.
>>  - Addressed review comments from Thierry.
>> No changes from v3.
>> Changes from v2:
>>  - Added support for nvidia,otg-hs-curr-level-offset property.
>>  - Moved mailbox request handling to workqueue.
>>  - Added filtering out of non-PHY mailbox messages.
>>  - Dropped "-otg" from VBUS supplies.
>> Changes from v1:
>>  - Updated to use common mailbox API.
>>  - Added SATA PHY enable sequence for USB3 ports using the SATA lane.
>>  - Made USB3 port-to-lane mappins a top-level binding rather than a pinconfig
>>    binding.
>> ---
>>  drivers/pinctrl/Kconfig              |    1 +
>>  drivers/pinctrl/pinctrl-tegra-xusb.c | 1262 +++++++++++++++++++++++++++++++++-
>>  include/soc/tegra/xusb.h             |    7 +
>>  3 files changed, 1254 insertions(+), 16 deletions(-)
>
> The devm_phy_create() API has changed (see linux-phy next) and the patch that
> modified the existing devm_phy_create() in pinctrl-tegra-xusb.c has also been
> merged in linux-phy tree.

Ok, I'll rebase on top of that.
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