From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Lechner Date: Fri, 04 Aug 2017 01:16:54 +0000 Subject: Re: [PATCH 0/6] Support for LEGO MINDSTORMS EV3 LCD display Message-Id: <959f607c-f2ee-51d8-db39-1ef91859f22f@lechnology.com> List-Id: References: <1501355870-13960-1-git-send-email-david@lechnology.com> <5d8f6518-8d7e-c029-2da4-e3417afb3e40@lechnology.com> <28188f5c-1daf-121b-6daf-1899668c3875@tronnes.org> <1ce36d43-b9dd-807e-23aa-bac4fda70fdc@lechnology.com> <260320c5-8064-6388-168b-acad5a1aa0f2@tronnes.org> <03f423be-7b4c-13ec-7126-c0d9af6ebe4a@lechnology.com> In-Reply-To: <03f423be-7b4c-13ec-7126-c0d9af6ebe4a-nq/r/kbU++upp/zk7JDF2g@public.gmane.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: =?UTF-8?Q?Noralf_Tr=c3=b8nnes?= , Andy Shevchenko Cc: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, devicetree , David Airlie , Rob Herring , Mark Rutland , Sekhar Nori , Kevin Hilman , linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm Mailing List , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Daniel Vetter On 08/03/2017 08:08 PM, David Lechner wrote: > On 08/03/2017 03:11 PM, Noralf Tr=C3=B8nnes wrote: >> >> Den 03.08.2017 19.11, skrev Andy Shevchenko: >>> On Thu, Aug 3, 2017 at 8:09 PM, Andy Shevchenko >>> wrote: >>>> On Thu, Aug 3, 2017 at 6:18 PM, David Lechner =20 >>>> 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,=20 >>>>> but >>>>> doesn't use any of the standard values for the commands. The=20 >>>>> 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:=20 >> http://wiki.seeed.cc/Grove-OLED_Display_0.96inch/ >> There's an fbdev driver that supports ssd1305, ssd1306, ssd1307 and=20 >> ssd1309: >> https://www.kernel.org/doc/Documentation/devicetree/bindings/display/ssd= 1307fb.txt=20 >> >> http://elixir.free-electrons.com/linux/latest/source/drivers/video/fbdev= /ssd1307fb.c=20 >> >> Maybe the ssd1308 will work with that driver... >> >=20 > The display I have uses a ssd1327 controller. It is 16-bit grayscale.=20 > The ssd130x are all 1-bit monochrome. So, probably more like the ssd1325 = > driver in fbftf. correction, 4-bit grayscale