drm/bridge: Add Cadence DSI driver (e1923395) · Commits · 戴 / test

Add a driver for Cadence DPI -> DSI bridge. This driver only support a subset of Cadence DSI bridge capabilities. This driver has been tested/debugged in a simulated environment which explains why some of the features are missing. Here is a non-exhaustive list of missing features: * burst mode * DPHY init/configuration steps * support for additional input interfaces (SDI input) DSI commands and non-burst video mode have been tested. Signed-off-by:

Boris Brezillon <boris.brezillon@bootlin.com> Reviewed-by:

Andrzej Hajda <a.hajda@samsung.com> Acked-by:

Eric Anholt <eric@anholt.net> Reviewed-by:

Archit Taneja <architt@codeaurora.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180421070846.10330-1-boris.brezillon@bootlin.com

drivers/gpu/drm/bridge/Kconfig

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Original line number	Diff line number	Diff line
		@@ -25,6 +25,16 @@ config DRM_ANALOGIX_ANX78XX
		the HDMI output of an application processor to MyDP
		or DisplayPort.

		config DRM_CDNS_DSI
		tristate "Cadence DPI/DSI bridge"
		select DRM_KMS_HELPER
		select DRM_MIPI_DSI
		select DRM_PANEL_BRIDGE
		depends on OF
		help
		Support Cadence DPI to DSI bridge. This is an internal
		bridge and is meant to be directly embedded in a SoC.

		config DRM_DUMB_VGA_DAC
		tristate "Dumb VGA DAC Bridge support"
		depends on OF

drivers/gpu/drm/bridge/Makefile

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Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: GPL-2.0
		obj-$(CONFIG_DRM_ANALOGIX_ANX78XX) += analogix-anx78xx.o
		obj-$(CONFIG_DRM_CDNS_DSI) += cdns-dsi.o
		obj-$(CONFIG_DRM_DUMB_VGA_DAC) += dumb-vga-dac.o
		obj-$(CONFIG_DRM_LVDS_ENCODER) += lvds-encoder.o
		obj-$(CONFIG_DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW) += megachips-stdpxxxx-ge-b850v3-fw.o

drivers/gpu/drm/bridge/cdns-dsi.c

0 → 100644

+1623 −0

File added.

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