linux-kernel - Re: [PATCH 06/20] dt-bindings: usb: Convert xHCI bindings to DT schema

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Date:   Fri, 16 Oct 2020 13:49:21 -0500
From:   Rob Herring <robh@...nel.org>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Kevin Hilman <khilman@...libre.com>, Roger Quadros <rogerq@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-snps-arc@...ts.infradead.org,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Manu Gautam <mgautam@...eaurora.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        linux-mips@...r.kernel.org, Andy Gross <agross@...nel.org>,
        linuxppc-dev@...ts.ozlabs.org,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Serge Semin <fancer.lancer@...il.com>,
        linux-usb@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Felipe Balbi <balbi@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Subject: Re: [PATCH 06/20] dt-bindings: usb: Convert xHCI bindings to DT
 schema

On Wed, 14 Oct 2020 13:13:48 +0300, Serge Semin wrote:
> Currently the DT bindings of Generic xHCI Controllers are described by means
> of the legacy text file. Since such format is deprecated in favor of the
> DT schema, let's convert the Generic xHCI Controllers bindings file to the
> corresponding yaml files. There will be two of them: a DT schema for the
> xHCI controllers on a generic platform and a DT schema validating a generic
> xHCI controllers properties. The later will be used to validate the xHCI
> controllers, which aside from some vendor-specific features support the
> basic xHCI functionality.
> 
> An xHCI-compatible DT node shall support the standard USB HCD properties
> and custom ones like: usb2-lpm-disable, usb3-lpm-capable,
> quirk-broken-port-ped and imod-interval-ns. In addition if a generic xHCI
> controller is being validated against the DT schema it is also supposed to
> be equipped with mandatory compatible string, single registers range,
> single interrupts source, and is supposed to optionally contain up to two
> reference clocks for the controller core and CSRs.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> 
> ---
> 
> Changelog v2:
> - Add explicit "additionalProperties: true" to the usb-xhci.yaml schema,
>   since additionalProperties/unevaluatedProperties are going to be mandary
>   for each binding.
> ---
>  .../devicetree/bindings/usb/generic-xhci.yaml | 63 +++++++++++++++++++
>  .../devicetree/bindings/usb/usb-xhci.txt      | 41 ------------
>  .../devicetree/bindings/usb/usb-xhci.yaml     | 42 +++++++++++++
>  3 files changed, 105 insertions(+), 41 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/usb/generic-xhci.yaml
>  delete mode 100644 Documentation/devicetree/bindings/usb/usb-xhci.txt
>  create mode 100644 Documentation/devicetree/bindings/usb/usb-xhci.yaml
> 

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