linux-kernel - Re: [PATCH v5 01/19] dt-bindings: usb: usb-hcd: Detach generic USB controller properties

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Date:   Wed, 9 Dec 2020 21:23:59 -0600
From:   Rob Herring <robh@...nel.org>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        linux-mips@...r.kernel.org,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Roger Quadros <rogerq@...com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@...el.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Felipe Balbi <balbi@...nel.org>,
        linux-snps-arc@...ts.infradead.org,
        Kevin Hilman <khilman@...libre.com>, linux-usb@...r.kernel.org,
        Mathias Nyman <mathias.nyman@...el.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        linux-arm-kernel@...ts.infradead.org,
        Andy Gross <agross@...nel.org>,
        Serge Semin <fancer.lancer@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        devicetree@...r.kernel.org, Manu Gautam <mgautam@...eaurora.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v5 01/19] dt-bindings: usb: usb-hcd: Detach generic USB
 controller properties

On Sat, 05 Dec 2020 18:24:08 +0300, Serge Semin wrote:
> There can be three distinctive types of the USB controllers: USB hosts,
> USB peripherals/gadgets and USB OTG, which can switch from one role to
> another. In order to have that hierarchy handled in the DT binding files,
> we need to collect common properties in a common DT schema and specific
> properties in dedicated schemas. Seeing the usb-hcd.yaml DT schema is
> dedicated for the USB host controllers only, let's move some common
> properties from there into the usb.yaml schema. So the later would be
> available to evaluate all currently supported types of the USB
> controllers.
> 
> While at it add an explicit "additionalProperties: true" into the
> usb-hcd.yaml as setting the additionalProperties/unevaluateProperties
> properties is going to be get mandatory soon.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> 
> ---
> 
> Changelog v4:
> - This is a new patch created as a result of the comment left
>   by Chunfeng Yun in v3
> 
> Changelog v5:
> - Discard duplicated additionalProperties property definition.
> ---
>  .../devicetree/bindings/usb/usb-hcd.yaml      | 14 ++-------
>  .../devicetree/bindings/usb/usb.yaml          | 29 +++++++++++++++++++
>  2 files changed, 31 insertions(+), 12 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/usb/usb.yaml
> 

Reviewed-by: Rob Herring <robh@...nel.org>