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Message-ID: <20190130195804.GA5908@bogus>
Date: Wed, 30 Jan 2019 13:58:04 -0600
From: Rob Herring <robh@...nel.org>
To: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Cc: gregkh@...uxfoundation.org, mark.rutland@....com, kishon@...com,
jackp@...eaurora.org, andy.gross@...aro.org, swboyd@...omium.org,
devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-usb@...r.kernel.org, khasim.mohammed@...aro.org,
linux-kernel@...r.kernel.org, bjorn.andersson@...aro.org,
vkoul@...nel.org, shawn.guo@...aro.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 0/2] USB SS PHY for Qualcomm's QCS404
On Tue, Jan 29, 2019 at 12:35:13PM +0100, Jorge Ramirez-Ortiz wrote:
> This set adds USB SS PHY support to Qualcomm's QCS404 SoC
> The PHY is implemented using Synopsys SS PHY 1.0.0 IP
>
> The code is losely based on Sriharsha Allenki's
> <sallenki@...eaurora.org> original implementation.
>
> v2:
> enable OTG mode detection
> move vdd voltage levels to driver
> use bulk_ control interfaces
> ss-phy-bindings [1]
>
> [1] ss-phy-binding discussion:
> - qcom,dwc3-ss-usb-phy exist for a generic usb2/usb3 phy driver that
> was never merged. Rather than trying to re-use these bindings (or
> delete them) I propose that we go ahead with the new separate
> bindings for HS and SS: if not now - investigation in progress- in
> the future it might be possible to have again a common phy driver
> for which these old bindings would be the binding agreement.
Either use/extend the old binding or remove it if it is not being used.
Rob
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