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

Tom Rini
2013-11-04T20:49:57Z

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!

--
Tom
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