Since EDID only indicates supported standard timings, a large table with
detailed timing information is necessary, consuming significant space. To
mitigate this, the table is made configurable via kconfig, allowing it to
be excluded when not needed.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
The configuration options CONFIG_VIDCONSOLE_AS_LCD and CONFIG_VIDCONSOLE_AS_
NAME have been marked as obsolete and scheduled for deletion in late 2020.
That's already long overdue and the last remaining consumers of these options
have already migrated to using "vidconsole" in their "stdout" and "stderr"
environment variables, so let's delete these two configuration options.
Signed-off-by: Dragan Simic <dsimic@manjaro.org>
Acked-by: Soeren Moch <smoch@web.de> # tbs2910
The reset GPIO signal operates with a low-active logic. The driver
needs to be adjusted to correctly handle this.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
The reset GPIO signal operates with a low-active logic. The driver
needs to be adjusted to correctly handle this.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Due to the use of the Tegra DC backlight feature by the HTC ONE X,
backlight requests MUST NOT be made during probe or earlier. This is
because it creates a loop, as the backlight is a DC child.
To mitigate this issue, backlight requests can be made later, once the
backlight is actively used.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
The reset GPIO signal operates with a low-active logic. The driver
needs to be adjusted to correctly handle this.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Video operations are not required by the Tegra Display Controller
and should therefore be removed.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
If device uses native Tegra DSI or HDMI, DC clock MUST use the same
parent as DSI/HDMI clock uses. Hence remove need in device tree
configuration and satisfy this condition by default.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Use OF graph as a main bridge/panel source, preserving
backwards compatibility with phandle implementation.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Rework existing DC driver configuration to support bridges (both external
and internal DSI and HDMI controllers) and align video devices chain logic
with Linux implementation. Additionally, this should improve communication
between DC and internal DSI/HDMI controllers.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Tegra platforms feature native HDMI support. Implement a driver to enable
functionality. This driver will initially support Tegra 2 and 3, with
future extensibility.
Co-developed-by: Jonas Schwöbel <jonasschwoebel@yahoo.de>
Signed-off-by: Jonas Schwöbel <jonasschwoebel@yahoo.de>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Introduce a simplified HOST1X driver, limited to the basic clock and reset
initialization of the bus.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Add a simple and transparent LVDS de/encoder driver with a powerdown
gpio and a power supply.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Add get_display_timing ops for internal bridges linked to
panels that do not support EDID (MIPI-DSI panels for example)
or have EDID not routed.
Tested-by: Dang Huynh <danct12@riseup.net> (PineTab 2)
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This module is a color active matrix LCD module incorporating
Oxide TFT (Thin Film Transistor). It is composed of a color TFT-LCD
panel, driver ICs, a control circuit and power supply circuit, and
a backlight unit. Graphics and texts can be displayed on a 1536x2048
dots panel with (16,777,216) colors by using MIPI DUAL DSI interface,
supplying +3.3V DC supply voltage for TFT-LCD panel driving and
supplying DC supply voltage for LED Backlight.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Add support for National Semiconductor/TI LP8550/1/2/3/5/6/7
LED Backlight. Driver is based on Linux version but is
reworked and optimised for U-Boot DM framework. Currently
only register driven backlight control is supported, PWM
driver backlight control may be added later if needed.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Parametrize DSI configuration by passing DC source pipe. This
should resolve possible failure if second DC is used with DSI
for some reason.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Calculate packet parameters for video mode same way it is done or
command mode, by halving timings plugged into equations.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
