linux-kernel - Re: [PATCH 2/3] arm64: allwinner: a64: add USB0 OHCI/EHCI related devicetree parts

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Date:   Wed, 5 Apr 2017 09:15:08 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 2/3] arm64: allwinner: a64: add USB0 OHCI/EHCI related
 devicetree parts

On Wed, Apr 05, 2017 at 02:45:17AM +0800, Icenowy Zheng wrote:
> As we added USB0 route auto switching support for A64, add related
> device tree parts to the A64 DTSI file (EHCI0/OHCI0 controllers and the
> pmu0 memory area for PHY).
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> index 1c64ea2d23f9..a8916df99048 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> @@ -179,8 +179,10 @@
>  		usbphy: phy@...19400 {
>  			compatible = "allwinner,sun50i-a64-usb-phy";
>  			reg = <0x01c19400 0x14>,
> +			      <0x01c1a800 0x4>,
>  			      <0x01c1b800 0x4>;
>  			reg-names = "phy_ctrl",
> +				    "pmu0",

This breaks the older DTs, and that property isn't documented.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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