The display controller in Tegra20/30 SoCs features an 8-bit SPI interface
that closely resembles the MIPI DBI Type B protocol and is referred to as
'8-bit CPU'.
Add DC parametrization options needed for fine tuning by bridges.
Add 8-bit CPU interface in form of a bridge linking to RGB port.
Add 2 DBI Type B panels used in LG Optimus 2X which work with
the 8-bit CPU interface.
---
Changes in v2:
- convert enums in the dc header into definitions list
- add check in RGB if bridge_state is not NULL, if yes, use default flags
- inverted FLAG_PIXDATA_SAMPLE flag setup logic since default value is set to
be on NEGEDGE while v1 set default to be on POSEDGE
- 8bit-cpu schema renamed to dbi, removed compaible and set as DC child
- expanded list of required properties
- 8bit-cpu bridge remodelled into dbi interface as DC child
- improve gpio handling
- rework attach to get drvdata from parent
- add panel supplies description
- split panel driver into per-panel drivers
- get DBI interface from the patent directly
I have deliberately left GPIO parsing from device tree since it seems to
be the most convenient and mainstream method of working with GPIOs.
---
Svyatoslav Ryhel (7):
drm/tegra: dc: Expand available registers layouts
drm/tegra: rgb: Parameterize configuration based on bus flags
dt-bindings: display: tegra: Document 8-bit CPU parallel interface
drm/tegra: Add support for 8-bit CPU interface
dt-bindings: display: panel: Document Hitachi TX10D07VM0BAA and LG
LH400WV3 panels
drm/panel: Add Hitachi TX10D07VM0BAA MIPI DBI Type B panel driver
drm/panel: Add LG LH400WV3-SD04 MIPI DBI Type B panel driver
.../display/panel/hit,tx10d07vm0baa.yaml | 58 +++
.../display/tegra/nvidia,tegra-dbi.yaml | 143 ++++++
.../display/tegra/nvidia,tegra20-dc.yaml | 3 +
drivers/gpu/drm/panel/Kconfig | 27 ++
drivers/gpu/drm/panel/Makefile | 2 +
.../drm/panel/panel-hitachi-tx10d07vm0baa.c | 297 +++++++++++++
drivers/gpu/drm/panel/panel-lg-lh400wv3.c | 236 ++++++++++
drivers/gpu/drm/tegra/Kconfig | 7 +
drivers/gpu/drm/tegra/Makefile | 1 +
drivers/gpu/drm/tegra/dbi.c | 416 ++++++++++++++++++
drivers/gpu/drm/tegra/dc.c | 24 +-
drivers/gpu/drm/tegra/dc.h | 50 ++-
drivers/gpu/drm/tegra/rgb.c | 41 +-
13 files changed, 1293 insertions(+), 12 deletions(-)
create mode 100644
Documentation/devicetree/bindings/display/panel/hit,tx10d07vm0baa.yaml
create mode 100644
Documentation/devicetree/bindings/display/tegra/nvidia,tegra-dbi.yaml
create mode 100644 drivers/gpu/drm/panel/panel-hitachi-tx10d07vm0baa.c
create mode 100644 drivers/gpu/drm/panel/panel-lg-lh400wv3.c
create mode 100644 drivers/gpu/drm/tegra/dbi.c
--
2.53.0
