linux-kernel - Re: [PATCH 09/10] phy: Add Cadence D-PHY support

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Message-ID: <20180907133804.ktpth3n4uft6fvl6@flea>
Date:   Fri, 7 Sep 2018 15:38:04 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        linux-media@...r.kernel.org,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Chen-Yu Tsai <wens@...e.org>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        Krzysztof Witos <kwitos@...ence.com>,
        Rafal Ciepiela <rafalc@...ence.com>
Subject: Re: [PATCH 09/10] phy: Add Cadence D-PHY support

On Wed, Sep 05, 2018 at 04:48:27PM +0300, Laurent Pinchart wrote:
> Hi Maxime,
> 
> Thank you for the patch.
> 
> On Wednesday, 5 September 2018 12:16:40 EEST Maxime Ripard wrote:
> > Cadence has designed a D-PHY that can be used by the, currently in tree,
> > DSI bridge (DRM), CSI Transceiver and CSI Receiver (v4l2) drivers.
> > 
> > Only the DSI driver has an ad-hoc driver for that phy at the moment, while
> > the v4l2 drivers are completely missing any phy support. In order to make
> > that phy support available to all these drivers, without having to
> > duplicate that code three times, let's create a generic phy framework
> > driver.
> > 
> > Signed-off-by: Maxime Ripard <maxime.ripard@...tlin.com>
> > ---
> >  drivers/phy/Kconfig             |   1 +-
> >  drivers/phy/Makefile            |   1 +-
> >  drivers/phy/cadence/Kconfig     |  13 +-
> >  drivers/phy/cadence/Makefile    |   1 +-
> >  drivers/phy/cadence/cdns-dphy.c | 499 +++++++++++++++++++++++++++++++++-
> 
> Should the DT bindings be split from Documentation/devicetree/bindings/
> display/bridge/cdns,dsi.txt ?

Yep, I'll change it.

Thanks!
Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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