linux-kernel - Re: [PATCH v2 2/4] dt: exynos5250: Enable support for generic USB 3.0 phy

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Date:	Thu, 5 Dec 2013 13:47:45 +0530
From:	Vivek Gautam <gautamvivek1987@...il.com>
To:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:	Vivek Gautam <gautam.vivek@...sung.com>,
	Linux USB Mailing List <linux-usb@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Felipe Balbi <balbi@...com>,
	Rob Herring <rob.herring@...xeda.com>,
	Kukjin Kim <kgene.kim@...sung.com>, kishon <kishon@...com>,
	Jingoo Han <jg1.han@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Tomasz Figa <t.figa@...sung.com>,
	Julius Werner <jwerner@...omium.org>,
	Kamil Debski <k.debski@...sung.com>
Subject: Re: [PATCH v2 2/4] dt: exynos5250: Enable support for generic USB 3.0 phy

Hi,


On Wed, Dec 4, 2013 at 6:20 PM, Bartlomiej Zolnierkiewicz
<b.zolnierkie@...sung.com> wrote:
>
> Hi,
>
> Does the old phy-samsung-usb3 driver currently work on Exynos5250?  If yes,
> then this patch should be merged with patch #1 to preserve bisectability.

Yes, the old phy-samsung-usb3 driver works well on Exynos5250 currently.
Ok, will merge it with patch #1
[PATCH v2 1/4] phy: Add new Exynos5 USB 3.0 PHY driver

Thanks for pointing out.

>
> Best regards,
> --
> Bartlomiej Zolnierkiewicz
> Samsung R&D Institute Poland
> Samsung Electronics
>
> On Wednesday, December 04, 2013 03:39:05 PM Vivek Gautam wrote:
>> Update device tree bindings for DWC3 controller and
>> USB 3.0 phy present on Exynos 5250 SoC, to start using
>> the phy driver based on generic phy framework.
>>
>> Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
>> ---
>>  arch/arm/boot/dts/exynos5250.dtsi |   16 ++++++----------
>>  1 files changed, 6 insertions(+), 10 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
>> index 9db5047..7444717 100644
>> --- a/arch/arm/boot/dts/exynos5250.dtsi
>> +++ b/arch/arm/boot/dts/exynos5250.dtsi
>> @@ -475,22 +475,18 @@
>>                       compatible = "synopsys,dwc3";
>>                       reg = <0x12000000 0x10000>;
>>                       interrupts = <0 72 0>;
>> -                     usb-phy = <&usb2_phy &usb3_phy>;
>> +                     phys = <&usb3_phy>;
>> +                     phy-names = "usb3-phy";
>>               };
>>       };
>>
>>       usb3_phy: usbphy@...00000 {
>>               compatible = "samsung,exynos5250-usb3phy";
>>               reg = <0x12100000 0x100>;
>> -             clocks = <&clock 1>, <&clock 286>;
>> -             clock-names = "ext_xtal", "usbdrd30";
>> -             #address-cells = <1>;
>> -             #size-cells = <1>;
>> -             ranges;
>> -
>> -             usbphy-sys {
>> -                     reg = <0x10040704 0x8>;
>> -             };
>> +             clocks = <&clock 286>, <&clock 1>;
>> +             clock-names = "phy", "usb3phy_refclk";
>> +             samsung,syscon-phandle = <&pmu_syscon>;
>> +             #phy-cells = <0>;
>>       };
>>
>>       usb@...10000 {
>
> --
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-- 
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
--
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