linux-kernel - Re: [PATCH 2/4] dt-bindings: phy-rockchip-inno-usb2: add documentation for extcon and utmi-avalid properties.

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Date:   Wed, 15 Aug 2018 16:21:57 -0600
From:   Rob Herring <robh@...nel.org>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     linux-kernel@...r.kernel.org, amstan@...omium.org,
        groeck@...gle.com, kieran.bingham@...asonboard.com,
        kernel@...labora.com, bleung@...omium.org, heiko@...ech.de,
        devicetree@...r.kernel.org, Frank Wang <frank.wang@...k-chips.com>,
        linux-rockchip@...ts.infradead.org,
        Kishon Vijay Abraham I <kishon@...com>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/4] dt-bindings: phy-rockchip-inno-usb2: add
 documentation for extcon and utmi-avalid properties.

On Wed, Aug 15, 2018 at 11:59:32AM +0200, Enric Balletbo i Serra wrote:
> Commit 98898f3bc83c8 ("phy: rockchip-inno-usb2: support otg-port for
> rk3399") introduces two new properties. The extcon property is used to
> detect the cable-state, and the rockchip,utmi-avalid is used to indicate
> which register should be used to detect the vbus state.
> 
> Document these properties in the documentation binding.
> 
> Fixes: 98898f3bc83c8 ("phy: rockchip-inno-usb2: support otg-port for rk3399")
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> ---
> 
>  .../devicetree/bindings/phy/phy-rockchip-inno-usb2.txt         | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
> index 074a7b3b0425..2d4808d3920b 100644
> --- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
> +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
> @@ -23,6 +23,7 @@ Optional properties:
>  		 register files". When set driver will request its
>  		 phandle as one companion-grf for some special SoCs
>  		 (e.g RV1108).
> + - extcon : phandle to the extcon device for the otg phy.

extcon is not a good binding. The usb connector binding should be used 
instead for new users.

Rob