linux-kernel - Re: [PATCH 2/3] Documentation: bindings: add usb3-host-disable and usb3-host-port for Rockchip USB Type-C PHY

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Date:   Thu, 8 Feb 2018 11:52:52 -0600
From:   Rob Herring <robh@...nel.org>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Brian Norris <briannorris@...omium.org>,
        Heiko Stuebner <heiko@...ech.de>, dianders@...omium.org,
        Chris Zhong <zyw@...k-chips.com>,
        William wu <wulf@...k-chips.com>, hl@...k-chips.com,
        devicetree@...r.kernel.org,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-rockchip@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kernel@...labora.com
Subject: Re: [PATCH 2/3] Documentation: bindings: add usb3-host-disable and
 usb3-host-port for Rockchip USB Type-C PHY

On Thu, Feb 8, 2018 at 9:20 AM, Enric Balletbo i Serra
<enric.balletbo@...labora.com> wrote:
> From: William wu <wulf@...k-chips.com>
>
> rockchip,usb3-host-disable is the register of type-c phy disable usb3 host
> rockchip,usb3-host-port is the register of type-c phy usb3 port number
>
> Signed-off-by: William wu <wulf@...k-chips.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> ---
>  Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
> index c3be83be9615..9085d95d0079 100644
> --- a/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
> +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
> @@ -36,6 +36,12 @@ offset, enable bit, write mask bit.
>   - rockchip,uphy-dp-sel : the register of type-c phy enable DP function
>     for type-c phy0, it must be <0x6268 19 19>;
>     for type-c phy1, it must be <0x6268 3 19>;
> + - rockchip,usb3-host-disable : the register of type-c phy disable usb3 host
> +   for type-c phy0, it must be <0x2434 0 16>;
> +   for type-c phy1, it must be <0x2444 0 16>;
> + - rockchip,usb3-host-port : the register of type-c phy usb3 port number
> +   for type-c phy0, it must be <0x2434 12 28>;
> +   for type-c phy1, it must be <0x2444 12 28>;

When does this list stop? Adding properties for various register
fields doesn't scale. This information should be in the driver and
based on the compatible string if necessary.

Rob