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In order to support the "enable GPIO" available in many panel devices,
this commit adds a proper devicetree binding.
By providing an enable GPIO in the devicetree, the driver can now turn
off and on the panel device, and/or the backlight device. Both the
backlight and the GPIO are optional properties.
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Johannes Pointner <johannes.pointner@br-automation.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The current backlight support is broken; the driver expects a backlight-class
in the panel devicetree node. Fix this by implementing it properly, getting
an optional backlight from a phandle.
This shouldn't cause any backward-compatibility DT issue because the current
implementation doesn't work and is not even documented.
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Johannes Pointner <johannes.pointner@br-automation.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This builds upon the previous set of fixes which were pulled on 6th July.
Included in this set are:
- an update from Jean-Francois to add the missing reg documentation entry
to the device tree documentation.
- conversion of the tda998x driver to the component helpers.
* 'tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
drm/i2c: tda998x: add component support
drm/i2c: tda998x: allow re-use of tda998x support code
drm/i2c: tda998x: fix lack of required reg in DT documentation
Conflicts:
drivers/gpu/drm/i2c/tda998x_drv.c
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Now that we (almost) have enough dependencies in place (MMCC, RPM, etc),
add necessary DT support so that we can use drm/msm on upstream kernel.
v2: update for review comments
v3: rebase on component helper changes
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Add the Marvell Dove LCD controller DT binding documentation. The
clock names used here are intentionally taken from the specification
for the Dove SoC.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The I2C address (reg) is required for the TDA998x driver to be loaded
and initialized.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch adds a drm_bridge driver for the PTN3460 DisplayPort to LVDS
bridge chip.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Adding support for max-pixelclock and max-width device tree
entries. As some devices that use the tilcdc hardware module
have restrictions on the allowed/tested values. Also update DT
bindings document to reflect new parameters.
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Pull device tree fixes from Grant Likely:
"Device tree bug fixes and documentation updates for v3.10
Nothing earth shattering here. A build failure fix, and fix for
releasing nodes and some documenation updates."
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux:
Documentation/devicetree: make semantic of initrd-end more explicit
of/base: release the node correctly in of_parse_phandle_with_args()
of/documentation: move video device bindings to a common place
<linux/of_platform.h>: fix compilation warnings with DT disabled
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This reverts commit 09495dda6a62c74b13412a63528093910ef80edd.
The description is incomplete and the location of this file
is incorrect. Based on discussion with the Samsung media and DRM subsystem
maintainers, the documentaion of Samsung G2D bindings has been placed at:
Documentation/devicetree/bindings/gpu/samsung-g2d.txt
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Binding Documents for drm-devices are placed in
Documentation/devicetree/bindings/drm/*. But these devices are common
for v4l framework, hence moved to a common place at
Documentation/devicetree/bindings/video/. 'exynos_' prefix is added to
associate them with exynos soc series.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Pull drm merge from Dave Airlie:
"Highlights:
- TI LCD controller KMS driver
- TI OMAP KMS driver merged from staging
- drop gma500 stub driver
- the fbcon locking fixes
- the vgacon dirty like zebra fix.
- open firmware videomode and hdmi common code helpers
- major locking rework for kms object handling - pageflip/cursor
won't block on polling anymore!
- fbcon helper and prime helper cleanups
- i915: all over the map, haswell power well enhancements, valleyview
macro horrors cleaned up, killing lots of legacy GTT code,
- radeon: CS ioctl unification, deprecated UMS support, gpu reset
rework, VM fixes
- nouveau: reworked thermal code, external dp/tmds encoder support
(anx9805), fences sleep instead of polling,
- exynos: all over the driver fixes."
Lovely conflict in radeon/evergreen_cs.c between commit de0babd60d8d
("drm/radeon: enforce use of radeon_get_ib_value when reading user cmd")
and the new changes that modified that evergreen_dma_cs_parse()
function.
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (508 commits)
drm/tilcdc: only build on arm
drm/i915: Revert hdmi HDP pin checks
drm/tegra: Add list of framebuffers to debugfs
drm/tegra: Fix color expansion
drm/tegra: Split DC_CMD_STATE_CONTROL register write
drm/tegra: Implement page-flipping support
drm/tegra: Implement VBLANK support
drm/tegra: Implement .mode_set_base()
drm/tegra: Add plane support
drm/tegra: Remove bogus tegra_framebuffer structure
drm: Add consistency check for page-flipping
drm/radeon: Use generic HDMI infoframe helpers
drm/tegra: Use generic HDMI infoframe helpers
drm: Add EDID helper documentation
drm: Add HDMI infoframe helpers
video: Add generic HDMI infoframe helpers
drm: Add some missing forward declarations
drm: Move mode tables to drm_edid.c
drm: Remove duplicate drm_mode_cea_vic()
gma500: Fix n, m1 and m2 clock limits for sdvo and lvds
...
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Add an output panel driver for LCD panels. Tested with LCD3 cape on
beaglebone.
v1: original
v2: s/of_find_node_by_name()/of_get_child_by_name()/ from Pantelis
Antoniou
v3: add backlight support
v4: rebase to latest of video timing helpers
v5: remove some unneeded fields from panel-info struct, add DT bindings
docs
Signed-off-by: Rob Clark <robdclark@gmail.com>
Tested-by: Koen Kooi <koen@dominion.thruhere.net>
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Add output panel driver for i2c encoder slaves.
v1: original
v2: add DT bindings docs, and minor updates for review comments
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Koen Kooi <koen@dominion.thruhere.net>
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A simple DRM/KMS driver for the TI LCD Controller found in various
smaller TI parts (AM33xx, OMAPL138, etc). This driver uses the
CMA helpers. Currently only the TFP410 DVI encoder is supported
(tested with beaglebone + DVI cape). There are also various LCD
displays, for which support can be added (as I get hw to test on),
and an external i2c HDMI encoder found on some boards.
The display controller supports a single CRTC. And the encoder+
connector are split out into sub-devices. Depending on which LCD
or external encoder is actually present, the appropriate output
module(s) will be loaded.
v1: original
v2: fix fb refcnting and few other cleanups
v3: get +/- vsync/hsync from timings rather than panel-info, add
option DT max-bandwidth field so driver doesn't attempt to
pick a display mode with too high memory bandwidth, and other
small cleanups
v4: remove some unneeded stuff from panel-info struct, properly
set high bits for hfp/hsw/hbp for rev 2, add DT bindings docs
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Koen Kooi <koen@dominion.thruhere.net>
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Add documentation for the DT bindings in exynos G2D driver.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This patch adds support for device tree based discovery for exynos5
hdmi ddc.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds support for device tree based discovery for exynos5
hdmiphy.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds support for device tree based discovery for exynos5
mixer. Mixer node is also renamed with "exynos5-mixer".
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds support for device tree based discovery for exynos5
hdmi. Hdmi node is also renamed with "exynos5-hdmi".
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Ezequiel Garcia
Dave Airlie
Rob Clark
Russell King
Jean-Francois Moine
Sean Paul
Darren Etheridge
Linus Torvalds
Sachin Kamat
Rahul Sharma
Ajay Kumar