drm/bridge: anx7625: Add anx7625 MIPI DSI/DPI to DP

The ANX7625 is an ultra-low power 4K Mobile HD Transmitter designed
for portable device. It converts MIPI DSI/DPI to DisplayPort 1.3 4K.
Signed-off-by: Xin Ji <xji@analogixsemi.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/528b76c1a4f7b6ea85371bfae4bde389aec4bb24.1600423932.git.xji@analogixsemi.com

drivers/gpu/drm/bridge/analogix/Kconfig

@@ -25,3 +25,12 @@ config DRM_ANALOGIX_ANX78XX
 config DRM_ANALOGIX_DP
 	tristate
 	depends on DRM
+
+config DRM_ANALOGIX_ANX7625
+	tristate "Analogix Anx7625 MIPI to DP interface support"
+	depends on DRM
+	depends on OF
+	help
+	  ANX7625 is an ultra-low power 4K mobile HD transmitter
+	  designed for portable devices. It converts MIPI/DPI to
+	  DisplayPort1.3 4K.

drivers/gpu/drm/bridge/analogix/Makefile

 # SPDX-License-Identifier: GPL-2.0-only
 analogix_dp-objs := analogix_dp_core.o analogix_dp_reg.o analogix-i2c-dptx.o
 obj-$(CONFIG_DRM_ANALOGIX_ANX6345) += analogix-anx6345.o
+obj-$(CONFIG_DRM_ANALOGIX_ANX7625) += anx7625.o
 obj-$(CONFIG_DRM_ANALOGIX_ANX78XX) += analogix-anx78xx.o
 obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix_dp.o