Thread (30 messages) 30 messages, 4 authors, 2017-08-04

Re: [PATCH 0/6] Support for LEGO MINDSTORMS EV3 LCD display

From: David Lechner <hidden>
Date: 2017-08-04 01:17:00
Also in: dri-devel, linux-arm-kernel, linux-fbdev, lkml

On 08/03/2017 08:08 PM, David Lechner wrote:
On 08/03/2017 03:11 PM, Noralf Trønnes wrote:
quoted
Den 03.08.2017 19.11, skrev Andy Shevchenko:
quoted
On Thu, Aug 3, 2017 at 8:09 PM, Andy Shevchenko
[off-list ref] wrote:
quoted
On Thu, Aug 3, 2017 at 6:18 PM, David Lechner [off-list ref] 
wrote:
quoted
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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