linux-kernel - Re: [PATCH 2/2] ARM: Exynos5250: Enabling USB 3.0 phy for samsung-usbphy driver

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Date:	Wed, 19 Dec 2012 11:19:32 +0530
From:	Vivek Gautam <gautamvivek1987@...il.com>
To:	linux-samsung-soc@...r.kernel.org
Cc:	dianders@...omium.org,
	Sylwester Nawrocki <sylvester.nawrocki@...il.com>,
	linux-usb@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, kgene.kim@...sung.com, balbi@...com,
	thomas.abraham@...aro.org, rob.herring@...xeda.com,
	grant.likely@...retlab.ca, p.paneri@...sung.com,
	Vivek Gautam <gautam.vivek@...sung.com>
Subject: Re: [PATCH 2/2] ARM: Exynos5250: Enabling USB 3.0 phy for
 samsung-usbphy driver

CC: Doug Anderson.


On Wed, Dec 19, 2012 at 5:02 AM, Sylwester Nawrocki
<sylvester.nawrocki@...il.com> wrote:
> On 12/18/2012 04:39 PM, Vivek Gautam wrote:
>>
>> Adding base address information required for enabling
>> USB 3.0 DRD phy on exynos5250 SOC.
>>
>> Signed-off-by: Vivek Gautam<gautam.vivek@...sung.com>
>> ---
>>   arch/arm/boot/dts/exynos5250.dtsi |    3 ++-
>>   1 files changed, 2 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5250.dtsi
>> b/arch/arm/boot/dts/exynos5250.dtsi
>> index bbdb2c2..07b7477 100644
>> --- a/arch/arm/boot/dts/exynos5250.dtsi
>> +++ b/arch/arm/boot/dts/exynos5250.dtsi
>> @@ -316,7 +316,8 @@
>>
>>         usbphy@...30000 {
>>                 compatible = "samsung,exynos5250-usbphy";
>> -               reg =<0x12130000 0x100>;
>> +               reg =<0x12130000 0x100>,
>> +               <0x12100000 0x100>;
>
>
> Doesn't this second memory region mean distinct PHY controller device ?
> Why separate usbphy node can't/shouldn't be created for it ?
>
>>                 samsung,usb-phyhandle =<&phy_h0&phy_h1&phy_h2>;
>>                 samsung,enable-mask =<1>;
>>         };
>
> --
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-- 
Thanks & Regards
Vivek
--
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