[RFC PATCH v2 00/21] Add DSI display support for Exynos based boards

Andrzej Hajda a.hajda at samsung.com
Wed Feb 12 03:31:07 PST 2014


This patchset adds drivers and bindings to the following devices:
- Exynos DSI master,
- S6E8AA0 DSI panel,
- TC358764 DSI/LVDS bridge,
- HV070WSA-100 LVDS panel.

It adds also display support in DTS files for the following boards:
- Exynos4210/Trats,
- Exynos4412/Trats2,
- Exynos5250/Arndale.

Things worth mentioning:

1. I have implemented DSI/LVDS bridge using drm_panel framework, ie.
the driver exposes drm_panel interface on DSI side, and interact with
panels on LVDS side using drm_panel framework. This approach seems to
me simpler and more natural than using drm_bridge.

2. I have used video interface bindings to make link between bridge and LVDS panel.
Other places where such links can be created are:
a) link between DSI master and slave, I wonder if it is always neccessary,
   DSI bus is also video bus,
b) link between FIMD(display controller) and DSI Master, currently Exynos DRM
   framework uses driver's hardcoded links, converting it to video interface
   bindings should be done (if required) by separate patches.

The patchset is based on Sean's Paul Exynos refactor patches v4 [1].
To work properly porch calculation should be fixed according to my comment [2].

It is the 2nd iteration of the patches, main changes:
- based on v4 refactor patches,
- added arndale related stuff.
Other changes are described in individual patches.

[1] http://permalink.gmane.org/gmane.comp.video.dri.devel/99264
[2] http://permalink.gmane.org/gmane.comp.video.dri.devel/99826


Andrzej Hajda (21):
  drm_mipi_dsi: add flags to DSI messages
  drm/exynos: delay fbdev initialization until an output is connected
  exynos/dsim: add DT bindings
  drm/exynos: add DSIM driver
  panel/s6e8aa0: add DT bindings
  drm/panel: add S6E8AA0 driver
  panel/tc358764: add DT bindings
  drm/panel: add TC358764 driver
  panel/simple: add video interface DT bindings
  panel/hv070wsa-100: add DT bindings
  drm/panel: add support for BOE HV070WSA-100 panel to simple-panel
  ARM: dts: exynos4: add MIPI DSI Master node
  ARM: dts: exynos4210-trats: add panel node
  ARM: dts: exynos4412-trats2: add panel node
  ARM: dts: exynos5250: add mipi-phy node
  ARM: dts: exynos5250: add display power domain node
  ARM: dts: exynos5250: add DSI node
  ARM: dts: exynos5250-arndale: add display regulators
  ARM: dts: exynos5250-arndale: add dsi and panel nodes
  ARM: dts: exynos4210-trats: enable exynos/fimd node
  ARM: dts: exynos4412-trats2: enable exynos/fimd node

 .../devicetree/bindings/panel/boe,hv070wsa-100.txt |    7 +
 .../devicetree/bindings/panel/samsung,s6e8aa0.txt  |   51 +
 .../devicetree/bindings/panel/simple-panel.txt     |    6 +
 .../devicetree/bindings/panel/toshiba,tc358764.txt |   41 +
 .../devicetree/bindings/video/exynos_dsim.txt      |   53 +
 arch/arm/boot/dts/exynos4.dtsi                     |   14 +
 arch/arm/boot/dts/exynos4210-trats.dts             |   42 +
 arch/arm/boot/dts/exynos4412-trats2.dts            |   51 +
 arch/arm/boot/dts/exynos5250-arndale.dts           |   63 +
 arch/arm/boot/dts/exynos5250.dtsi                  |   25 +
 drivers/gpu/drm/exynos/Kconfig                     |    9 +
 drivers/gpu/drm/exynos/Makefile                    |    1 +
 drivers/gpu/drm/exynos/exynos_drm_drv.c            |   26 +-
 drivers/gpu/drm/exynos/exynos_drm_drv.h            |    1 +
 drivers/gpu/drm/exynos/exynos_drm_dsi.c            | 1402 ++++++++++++++++++++
 drivers/gpu/drm/exynos/exynos_drm_fb.c             |    3 +
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c          |    4 +-
 drivers/gpu/drm/panel/Kconfig                      |   14 +
 drivers/gpu/drm/panel/Makefile                     |    2 +
 drivers/gpu/drm/panel/panel-s6e8aa0.c              | 1064 +++++++++++++++
 drivers/gpu/drm/panel/panel-simple.c               |   25 +
 drivers/gpu/drm/panel/panel-tc358764.c             |  505 +++++++
 include/drm/drm_mipi_dsi.h                         |    6 +
 23 files changed, 3402 insertions(+), 13 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/panel/boe,hv070wsa-100.txt
 create mode 100644 Documentation/devicetree/bindings/panel/samsung,s6e8aa0.txt
 create mode 100644 Documentation/devicetree/bindings/panel/toshiba,tc358764.txt
 create mode 100644 Documentation/devicetree/bindings/video/exynos_dsim.txt
 create mode 100644 drivers/gpu/drm/exynos/exynos_drm_dsi.c
 create mode 100644 drivers/gpu/drm/panel/panel-s6e8aa0.c
 create mode 100644 drivers/gpu/drm/panel/panel-tc358764.c


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