drm: xlnx: dsi: Adding dsi driver to new framework

Adding dsi driver to xlnx new drm framework

Signed-off-by: Saurabh Sengar <saurabh.singh@xilinx.com>
Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
State: pending
[michal: /drmP.h/d, remove drm_panel_attach/detach calls, add missing 2nd
parameter to get_modes(), remove vrefresh from panel-simple]
[michals: Squashed with
drm: xlnx: dsi: Adding xlnx bridge support
drm: xlnx: dsi: Disable bridge instance
drm: xlnx: dsi: Fix kernel panic when "halt" is run
drm: xlnx: dsi: Add support for clock framework
drm: xlnx: dsi: Fix the drm property creation
drm: xlnx: dsi: Add command mode support
drm: xlnx: dsi: Add Generic long write command support
]

drivers/gpu/drm/xlnx/Kconfig

@@ -46,3 +46,14 @@ config DRM_XLNX_BRIDGE_DEBUG_FS
 	  low level controls to the user space to help testing automation,
 	  as well as can enable additional diagnostic or statistical
 	  information.
+
+config DRM_XLNX_DSI
+	tristate "Xilinx DRM DSI Subsystem Driver"
+	depends on DRM_XLNX
+	select DRM_MIPI_DSI
+	select DRM_PANEL
+	select BACKLIGHT_LCD_SUPPORT
+	select BACKLIGHT_CLASS_DEVICE
+	select DRM_PANEL_SIMPLE
+	help
+	  DRM driver for Xilinx MIPI-DSI.

drivers/gpu/drm/xlnx/Makefile

@@ -3,3 +3,4 @@ obj-$(CONFIG_DRM_ZYNQMP_DPSUB) += zynqmp-dpsub.o
 xlnx_drm-objs += xlnx_crtc.o xlnx_drv.o xlnx_fb.o xlnx_gem.o
 xlnx_drm-$(CONFIG_DRM_XLNX_BRIDGE) += xlnx_bridge.o
 obj-$(CONFIG_DRM_XLNX) += xlnx_drm.o
+obj-$(CONFIG_DRM_XLNX_DSI) += xlnx_dsi.o