linux-kernel - Re: [PATCH V2 5/9] arm64: dts: renesas: beacon: Cleanup USB References

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Message-ID: <28a3d016-3741-a2e3-7035-f0accf09803b@gmail.com>
Date:   Fri, 25 Dec 2020 12:10:31 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...il.com>
To:     Adam Ford <aford173@...il.com>, linux-renesas-soc@...r.kernel.org
Cc:     aford@...conembedded.com,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 5/9] arm64: dts: renesas: beacon: Cleanup USB
 References

On 24.12.2020 20:04, Adam Ford wrote:

> The programmable versaclock is used for the usb_extal reference clock for
> the EHCI driver instead of a fixed-clock.  Because the versaclock needs to
> be enabled, the clock reference needs to be added to the clocks list.
> 
> For the USB3 Phy, the perferred clock reference is usb3s_clk, so

    PHY. Preferred.

> remove the usb_extal reference.
> 
> Signed-off-by: Adam Ford <aford173@...il.com>
[...]
> diff --git a/arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi b/arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi
> index ade2f58ad99b..a6f7193e4d97 100644
> --- a/arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi
> +++ b/arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi
[...]
> @@ -315,16 +306,12 @@ &sdhi3 {
>   	vmmc-supply = <&reg_3p3v>;
>   	vqmmc-supply = <&reg_1p8v>;
>   	bus-width = <8>;
> -	mmc-hs200-1_8v;
> +	mmc-hs400-1_8v;

    Unrelated?

>   	non-removable;
>   	fixed-emmc-driver-type = <1>;
>   	status = "okay";
>   };
[...]

MBR, Sergei