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Date: Thu, 3 Aug 2017 20:16:54 -0500 From: David Lechner <david@...hnology.com> To: Noralf Trønnes <noralf@...nnes.org>, Andy Shevchenko <andy.shevchenko@...il.com> Cc: dri-devel@...ts.freedesktop.org, devicetree <devicetree@...r.kernel.org>, David Airlie <airlied@...ux.ie>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Sekhar Nori <nsekhar@...com>, Kevin Hilman <khilman@...nel.org>, linux-fbdev@...r.kernel.org, linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Daniel Vetter <daniel@...ll.ch> Subject: Re: [PATCH 0/6] Support for LEGO MINDSTORMS EV3 LCD display On 08/03/2017 08:08 PM, David Lechner wrote: > On 08/03/2017 03:11 PM, Noralf Trønnes wrote: >> >> Den 03.08.2017 19.11, skrev Andy Shevchenko: >>> On Thu, Aug 3, 2017 at 8:09 PM, Andy Shevchenko >>> <andy.shevchenko@...il.com> wrote: >>>> On Thu, Aug 3, 2017 at 6:18 PM, David Lechner <david@...hnology.com> >>>> wrote: >>>> >>>>> The particular display I have is this one: >>>>> http://wiki.seeed.cc/Grove-OLED_Display_1.12inch/ >>>>> >>>>> It looks like it uses a command/data scheme like the MIPI displays, >>>>> but >>>>> doesn't use any of the standard values for the commands. The >>>>> controller can >>>>> do parallel, SPI and I2C, but the display I have is wired for I2C. >>>> It looks very similar to ssd1306. Some description refers to ssd1308. >>> http://www.mouser.com/catalog/specsheets/Seeed_104030008.pdf >>> >> >> That pdf refers to another one: >> http://wiki.seeed.cc/Grove-OLED_Display_0.96inch/ >> There's an fbdev driver that supports ssd1305, ssd1306, ssd1307 and >> ssd1309: >> https://www.kernel.org/doc/Documentation/devicetree/bindings/display/ssd1307fb.txt >> >> http://elixir.free-electrons.com/linux/latest/source/drivers/video/fbdev/ssd1307fb.c >> >> Maybe the ssd1308 will work with that driver... >> > > The display I have uses a ssd1327 controller. It is 16-bit grayscale. > The ssd130x are all 1-bit monochrome. So, probably more like the ssd1325 > driver in fbftf. correction, 4-bit grayscale
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