[U-Boot] [PATCH V2 0/6] Add support for SPI based DataImage LCD panel

[Anatolij Gustschin]

On Mon, 4 Nov 2013 15:49:57 -0500
Tom Rini <trini at ti.com> wrote:

> On Wed, Oct 16, 2013 at 05:23:23PM +0300, Nikita Kiryanov wrote:
> 
> > This patch ports the Linux driver for DataImage SCF0403852GGU04 and
> > SCF0403526GGU20 LCD panels into U-Boot. As a preparation step, variable SPI word
> > length support is added to omap3_spi and the generic SPI interface.
> > Finally, the driver is used in cm_t35 board.
> > 
> > The SPI changes were tested with a Beagle I2C/SPI/MDIO Protocol Analyzer, and
> > also with a DataImage SCF0403 lcd as part of the DataImage driver test.
> > 
> > Patch number 6 depends on http://patchwork.ozlabs.org/patch/275283/
> > 
> > Cc: Tom Rini <trini at ti.com>
> > Cc: Anatolij Gustschin <agust at denx.de>
> > Cc: Igor Grinberg <grinberg at compulab.co.il>
> > Cc: Jagannadha Sutradharudu Teki <jagannadh.teki at gmail.com>
> > 
> > Changes in V2:
> > 	- Rebased on top of latest U-Boot
> > 	- New patches:
> > 		 1) spi: omap3: remove semicolon from #define
> > 		 2) spi: define SPI_XFER_ONCE
> > 		 3) omap3_dss: define DSS_ONOFF
> > 	1 is a preliminary cleanup suggested by Gerhard Sittig and Igor Grinberg
> > 	2 and 3 are splitting off some new #defines to separate patches
> > 	- Moved wordlen to generic spi_slave struct, and added generic
> > 	implementation for spi_set_wordlen which only updates the struct without
> > 	touching the hardware (Igor Grinberg)
> > 	- Updated wordlen in hardware just before doing SPI transactions, not
> > 	when changing wordlen (Igor Grinberg)
> > 	- OMAP3 specific check of wordlen value from old implementation of
> > 	spi_set_wordlen moved to xfer. It refines the more general check done
> > 	in the new spi_set_wordlen.
> > 	- Fixed comment style in spi.h following a rebase on top of latest
> > 	U-Boot
> > 	- Added SPDX-License-Identifier to all new files (Anatolij Gustschin)
> > 	- s/printf/puts for not formatted strings in scf0403 driver (Anatolij
> > 	Gustschin)
> > 	- Do not fail scf0403 driver init if an invalid reset_gpio is given
> > 	(Igor Grinberg)
> > 
> > Nikita Kiryanov (6):
> >   spi: omap3: remove semicolon from #define
> >   spi: omap3: add support for more word lengths
> >   spi: define SPI_XFER_ONCE
> >   lcd: add DataImage SCF0403x LCD panel support
> >   omap3_dss: define DSS_ONOFF
> >   cm_t35: use scf0403 driver
> > 
> >  arch/arm/include/asm/arch-omap3/dss.h |   9 +-
> >  board/compulab/cm_t35/cm_t35.c        |  12 ++
> >  board/compulab/common/omap3_display.c |  46 +++++-
> >  drivers/spi/omap3_spi.c               |  71 +++++---
> >  drivers/spi/omap3_spi.h               |   8 +-
> >  drivers/spi/spi.c                     |  13 ++
> >  drivers/video/Makefile                |   1 +
> >  drivers/video/scf0403_lcd.c           | 296 ++++++++++++++++++++++++++++++++++
> >  include/configs/cm_t35.h              |   3 +
> >  include/scf0403_lcd.h                 |  11 ++
> >  include/spi.h                         |  17 ++
> >  11 files changed, 456 insertions(+), 31 deletions(-)
> >  create mode 100644 drivers/video/scf0403_lcd.c
> >  create mode 100644 include/scf0403_lcd.h
> 
> Did the mailing list eat the CC?  I expect these changes to come in via
> the spi tree, since Anatolij acked the other parts.  Thanks!

The patch this series depends on is not in u-boot.git/master branch
yet (but in u-boot-arm.git tree already). So, after the arm tree
is merged to master this series can be applied. I can push it via
the video tree if nobody objects.

Thanks,
Anatolij