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

Tom Rini trini at ti.com
Mon Nov 4 21:49:57 CET 2013


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!

-- 
Tom
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