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From:   Robert Foss <robert.foss@linaro.org>
Date:   Fri, 5 Mar 2021 16:22:10 +0100
Message-ID: <CAG3jFyvWZV_WVeR1+EvvH0C47CqCtPDMULiOVKzR51ukzFMJwA@mail.gmail.com>
Subject: Re: [PATCH v3 0/5] phy: phy-fsl-imx8-mipi-dphy: Add i.MX8qxp LVDS PHY
 mode support
To:     Liu Ying <victor.liu@nxp.com>
Cc:     linux-kernel <linux-kernel@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>, kishon@ti.com,
        Vinod Koul <vkoul@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Andrzej Hajda <a.hajda@samsung.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>, shawnguo@kernel.org,
        s.hauer@pengutronix.de, kernel@pengutronix.de,
        Fabio Estevam <festevam@gmail.com>, linux-imx@nxp.com,
        agx@sigxcpu.org, robert.chiras@nxp.com, martin.kepplinger@puri.sm
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Hey Liu,

Looking at this series[1], all but patch#2 has been reviewed, and #2
looks good to me. So I think this series is ready to have v4 re-spun
and and all of the r-bs from v3 added to the relevant patches.

[1] https://patchwork.kernel.org/project/dri-devel/cover/1607651182-12307-1-git-send-email-victor.liu@nxp.com/

On Fri, 19 Feb 2021 at 10:22, Liu Ying <victor.liu@nxp.com> wrote:
>
> A gentle ping.
>
> Vinod, Kishon, it would be nice if you may help review this.
>
> Thanks,
> Liu Ying
>
> On Fri, 2020-12-11 at 09:46 +0800, Liu Ying wrote:
> > Hi,
> >
> > This series adds i.MX8qxp LVDS PHY mode support for the Mixel PHY in the
> > Freescale i.MX8qxp SoC.
> >
> > The Mixel PHY is MIPI DPHY + LVDS PHY combo, which can works in either
> > MIPI DPHY mode or LVDS PHY mode.  The PHY mode is controlled by i.MX8qxp
> > SCU firmware.  The PHY driver would call a SCU function to configure the
> > mode.
> >
> > The PHY driver is already supporting the Mixel MIPI DPHY in i.MX8mq SoC,
> > where it appears to be a single MIPI DPHY.
> >
> >
> > Patch 1/5 sets PHY mode in the Northwest Logic MIPI DSI host controller
> > bridge driver, since i.MX8qxp SoC embeds this controller IP to support
> > MIPI DSI displays together with the Mixel PHY.
> >
> > Patch 2/5 allows LVDS PHYs to be configured through the generic PHY functions
> > and through a custom structure added to the generic PHY configuration union.
> >
> > Patch 3/5 converts mixel,mipi-dsi-phy plain text dt binding to json-schema.
> >
> > Patch 4/5 adds dt binding support for the Mixel combo PHY in i.MX8qxp SoC.
> >
> > Patch 5/5 adds the i.MX8qxp LVDS PHY mode support in the Mixel PHY driver.
> >
> >
> > Welcome comments, thanks.
> >
> > v2->v3:
> > * Improve readability of mixel_dphy_set_mode() in the Mixel PHY driver. (Guido)
> > * Improve the 'clock-names' property in the PHY dt binding.
> >
> > v1->v2:
> > * Convert mixel,mipi-dsi-phy plain text dt binding to json-schema. (Guido)
> > * Print invalid PHY mode in dmesg from the Mixel PHY driver. (Guido)
> > * Add Guido's R-b tag on the patch for the nwl-dsi drm bridge driver.
> >
> > Liu Ying (5):
> >   drm/bridge: nwl-dsi: Set PHY mode in nwl_dsi_enable()
> >   phy: Add LVDS configuration options
> >   dt-bindings: phy: Convert mixel,mipi-dsi-phy to json-schema
> >   dt-bindings: phy: mixel: mipi-dsi-phy: Add Mixel combo PHY support for
> >     i.MX8qxp
> >   phy: freescale: phy-fsl-imx8-mipi-dphy: Add i.MX8qxp LVDS PHY mode
> >     support
> >
> >  .../devicetree/bindings/phy/mixel,mipi-dsi-phy.txt |  29 ---
> >  .../bindings/phy/mixel,mipi-dsi-phy.yaml           | 107 ++++++++
> >  drivers/gpu/drm/bridge/nwl-dsi.c                   |   6 +
> >  drivers/phy/freescale/phy-fsl-imx8-mipi-dphy.c     | 269 ++++++++++++++++++++-
> >  include/linux/phy/phy-lvds.h                       |  48 ++++
> >  include/linux/phy/phy.h                            |   4 +
> >  6 files changed, 423 insertions(+), 40 deletions(-)
> >  delete mode 100644 Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.txt
> >  create mode 100644 Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml
> >  create mode 100644 include/linux/phy/phy-lvds.h
> >
>