[PATCH v3 0/4] drm: Add support for IPK DSI Host Driver

[Angelo Ribeiro]

Adds support for the display subsystem in the Synopsys
DesignWare IPK devices.

The display pipeline is limited and does not have access to memory, the
validation is done using a VPG (Video Pattern Generator), as DPI
stimulus for the DW MIPI DSI Host.

A Synopsys DesignWare MIPI DSI Host v1.40 is used in the IPK device, that
so far, is fully compatible with the driver dw-mipi-dsi.

To activate the VPG use the sysfs pattern variable, assigning values from
0 (shutdown) to 4. The usage of the VPG and the Synopsys DesignWare MIPI
DSI Host internal video generator is mutually exclusive.

The submission of this driver aims to be used as a work base for the
submission of enhancements over the Synopsys DesignWare MIPI DSI Host.

Angelo Ribeiro (4):
  dt-bindings: display: Add IPK DSI subsystem bindings
  drm: ipk: Add DRM driver for DesignWare IPK DSI
  drm: ipk: Add extensions for DW MIPI DSI Host driver
  MAINTAINERS: Add IPK MIPI DSI Host driver entry

 .../bindings/display/snps,dw-ipk-dsi.yaml          | 159 ++++++
 .../bindings/display/snps,dw-ipk-vpg.yaml          |  73 +++
 MAINTAINERS                                        |   8 +
 drivers/gpu/drm/Kconfig                            |   2 +
 drivers/gpu/drm/Makefile                           |   1 +
 drivers/gpu/drm/ipk/Kconfig                        |  22 +
 drivers/gpu/drm/ipk/Makefile                       |   6 +
 drivers/gpu/drm/ipk/dw-drv.c                       | 169 +++++++
 drivers/gpu/drm/ipk/dw-ipk.h                       |  26 +
 drivers/gpu/drm/ipk/dw-mipi-dsi-ipk.c              | 557 +++++++++++++++++++++
 drivers/gpu/drm/ipk/dw-vpg.c                       | 412 +++++++++++++++
 drivers/gpu/drm/ipk/dw-vpg.h                       |  48 ++
 12 files changed, 1483 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/snps,dw-ipk-dsi.yaml
 create mode 100644 Documentation/devicetree/bindings/display/snps,dw-ipk-vpg.yaml
 create mode 100644 drivers/gpu/drm/ipk/Kconfig
 create mode 100644 drivers/gpu/drm/ipk/Makefile
 create mode 100644 drivers/gpu/drm/ipk/dw-drv.c
 create mode 100644 drivers/gpu/drm/ipk/dw-ipk.h
 create mode 100644 drivers/gpu/drm/ipk/dw-mipi-dsi-ipk.c
 create mode 100644 drivers/gpu/drm/ipk/dw-vpg.c
 create mode 100644 drivers/gpu/drm/ipk/dw-vpg.h

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2.7.4