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From: Rob Herring <robh@kernel.org>
To: Srinath Mannam <srinath.mannam@broadcom.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Mathias Nyman <mathias.nyman@intel.com>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: usb-xhci: Add usb-phy-port-reset property
Date: Mon, 25 Feb 2019 15:38:07 -0600	[thread overview]
Message-ID: <20190225213807.GA18852@bogus> (raw)
In-Reply-To: <1549347534-11320-2-git-send-email-srinath.mannam@broadcom.com>

On Tue, Feb 05, 2019 at 11:48:53AM +0530, Srinath Mannam wrote:
> Add usb-phy-port-reset optional property to set quirk in xhci platform
> driver which forces USB port PHY reset on port disconnect event.
> 
> Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
> Reviewed-by: Ray Jui <ray.jui@broadcom.com>
> ---
>  Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> index fea8b15..ecbdb15 100644
> --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
> +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> @@ -40,6 +40,7 @@ Optional properties:
>    - usb3-lpm-capable: determines if platform is USB3 LPM capable
>    - quirk-broken-port-ped: set if the controller has broken port disable mechanism
>    - imod-interval-ns: default interrupt moderation interval is 5000ns
> +  - usb-phy-port-reset: set this to do USB PORT PHY reset while disconnect
>    - phys : see usb-hcd.txt in the current directory

This should be implied by the HCI or phy compatible string (depending 
on who exactly needs the quirky behavior).

Rob

  reply	other threads:[~2019-02-25 21:38 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-05  6:18 [PATCH 0/2] Reset xHCI port PHY on disconnect Srinath Mannam
2019-02-05  6:18 ` [PATCH 1/2] dt-bindings: usb-xhci: Add usb-phy-port-reset property Srinath Mannam
2019-02-25 21:38   ` Rob Herring [this message]
2019-02-26  4:57     ` Srinath Mannam
2019-02-26 18:02       ` Rob Herring
2019-02-27 17:08         ` Srinath Mannam
2019-02-05  6:18 ` [PATCH 2/2] drivers: xhci: Add quirk to reset xHCI port PHY Srinath Mannam
2019-02-07 15:06   ` Mathias Nyman
2019-02-07 15:17     ` Srinath Mannam
2019-02-08 12:35       ` Mathias Nyman
2019-02-08 18:48         ` Srinath Mannam

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