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

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Message-id: <2442031.907VFG2eGN@amdc1032>
Date:	Wed, 04 Dec 2013 13:50:12 +0100
From:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:	Vivek Gautam <gautam.vivek@...sung.com>
Cc:	linux-usb@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
	balbi@...com, rob.herring@...xeda.com, kgene.kim@...sung.com,
	kishon@...com, jg1.han@...sung.com, s.nawrocki@...sung.com,
	t.figa@...sung.com, jwerner@...omium.org, k.debski@...sung.com
Subject: Re: [PATCH v2 2/4] dt: exynos5250: Enable support for generic USB 3.0
 phy


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.

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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