linux-kernel - Re: [PATCH v3 1/1] drm/panel: Add support for Olimex LCD-OLinuXino panel

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Date:   Mon, 16 Jul 2018 09:08:36 -0600
From:   Rob Herring <robh@...nel.org>
To:     Stefan Mavrodiev <stefan@...mex.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Mark Rutland <mark.rutland@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        "open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/1] drm/panel: Add support for Olimex LCD-OLinuXino
 panel

On Thu, Jul 12, 2018 at 11:21:53AM +0300, Stefan Mavrodiev wrote:
> This patch adds Olimex Ltd. LCD-OLinuXino bridge panel driver. The
> panel is used with different LCDs (currently from 480x272 to 1280x800).
> Small EEPROM chip is used for identification, which holds some
> factory data and timing requirements.
> 
> Signed-off-by: Stefan Mavrodiev <stefan@...mex.com>
> ---
> Changes for v3:
>   - Change module license from "GPL v2" to "GPL"
>   - Make use of backlight_enable()/backlight_disable() helpers
>   - Rework backlight device request
>   - Remove drm_panel_detach()
>   - Use module_i2c_driver() for initialization
>   - Make the first mode preferred
>   - If num_modes value is invalid, overwrite it with 4, which is the maximum
>   - Some variable types optimizations
> 
> Changes for v2:
>   - Changed lcd_olinuxino_funcs to static const
> 
>  .../display/panel/olimex,lcd-olinuxino.txt         |  42 +++

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

>  MAINTAINERS                                        |   6 +
>  drivers/gpu/drm/panel/Kconfig                      |  10 +
>  drivers/gpu/drm/panel/Makefile                     |   1 +
>  drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c | 331 +++++++++++++++++++++
>  5 files changed, 390 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.txt
>  create mode 100644 drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c