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Date:   Fri, 20 Nov 2020 12:05:03 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Willy Wolff <willy.mh.wolff.ml@...il.com>,
        Marian Mihailescu <mihailescu2m@...il.com>
Subject: Re: [PATCH 2/2] ARM: dts: exynos: use Exynos5420 dedicated USB2 PHY
 compatible

On Fri, Nov 20, 2020 at 09:56:37AM +0100, Marek Szyprowski wrote:
> USB2.0 PHY in Exynos5420 differs from Exynos5250 variant a bit, so use the
> recently introduced dedicated compatible for Exynos5420.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> ---
>  arch/arm/boot/dts/exynos54xx.dtsi | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/exynos54xx.dtsi b/arch/arm/boot/dts/exynos54xx.dtsi
> index fe9d34c23374..2ddb7a5f12b3 100644
> --- a/arch/arm/boot/dts/exynos54xx.dtsi
> +++ b/arch/arm/boot/dts/exynos54xx.dtsi
> @@ -188,7 +188,7 @@
>  			compatible = "samsung,exynos4210-ehci";
>  			reg = <0x12110000 0x100>;
>  			interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
> -			phys = <&usb2_phy 1>;
> +			phys = <&usb2_phy 0>;
>  			phy-names = "host";
>  		};
>  
> @@ -196,12 +196,12 @@
>  			compatible = "samsung,exynos4210-ohci";
>  			reg = <0x12120000 0x100>;
>  			interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
> -			phys = <&usb2_phy 1>;
> +			phys = <&usb2_phy 0>;
>  			phy-names = "host";
>  		};
>  
>  		usb2_phy: phy@...30000 {
> -			compatible = "samsung,exynos5250-usb2-phy";
> +			compatible = "samsung,exynos5420-usb2-phy";

The DTS change will wait till PHY driver adjustements get merged... or
if the difference is not critical, maybe using both compatibles (5420
and 5250) would have sense?

Best regards,
Krzysztof

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