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

Anatolij Gustschin
2013-11-06T10:14:39Z

On Mon, 4 Nov 2013 15:49:57 -0500
Tom Rini <trini@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@ti.com>
> > Cc: Anatolij Gustschin <agust@denx.de>
> > Cc: Igor Grinberg <grinberg@compulab.co.il>
> > Cc: Jagannadha Sutradharudu Teki <jagannadh.teki@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