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commit 0c18927f51f4d390abdcf385bff5f995407ee732 upstream.
Current U-Boot enables the display already. Marking the regulator as
enabled on boot fixes sporadic panel initialization failures.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Tested-by: Misha Komarovskiy <zombah@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This seems to have been copied and pasted since the beginning of time,
though only until Tegra124, likely because that DT was written from
scratch or it was fixed along the way.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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For Tegra boards, the device-tree alias serial0 is used for the console
and so add the stdout-path information so that the console no longer
needs to be passed via the kernel boot parameters.
This has been tested on boards, tegra20-trimslice, tegra30-beaver,
tegra114-dalmore and tegra124-jetson-tk1.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Though the keyboard and other driver will continue to support the legacy
"gpio-key,wakeup", "nvidia,wakeup-source" boolean property to enable the
wakeup source, "wakeup-source" is the new standard binding.
This patch replaces all the legacy wakeup properties with the unified
"wakeup-source" property in order to avoid any further copy-paste
duplication.
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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There are general changes pending to make the /aliases/serial* entries
number the serial ports on the system. On Tegra, so far the ports have
been just numbered dynamically as they are configured so that makes them
change.
To avoid this, add specific aliases per board to keep the old numbers.
This allows us to change the numbering by default on future SoCs while
keeping the numbering on existing boards.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Indentation of the clock property used a hodgepodge of tabs and spaces.
Make them more consistent (tabs for indentation followed by spaces for
alignment).
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add backlight and panel nodes for the PAZ00 TFT LCD panel.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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This ensures that the PMIC RTC provides the system time, rather than
the on-SoC RTC, which is not battery-backed.
tegra124-venice2.dts isn't touched yet since we haven't added any off-
SoC RTC device to its device tree.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Use Tegra pinconrol dt-binding macro to set the values of different pinmux
properties of Tegra20 platforms.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Use key code macros for all key code refernced for keys.
For tegra20-seaboard.dts and tegra20-harmony.dts:
The key comment for key (16th row and 1st column) is KEY_KPSLASH but
code is 0x004e which is the key code for KEY_KPPLUS. As there other
key exist with KY_KPPLUS, I am assuming key code is wrong and comment
is fine. With this assumption, I am keeping the key code as KEY_KPSLASH.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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DT node names should include a unit address iff the node has a reg
property. For Tegra DTs at least, we were previously applying a different
rule, namely that node names only needed to include a unit address if it
was required to make the node name unique. Consequently, many unit
addresses are missing. Add them.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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An earlier patch updated the Tegra DT bindings to require resets and
reset-names properties to be filled in. This patch updates the DT files
to include those properties.
Note that any legacy clocks and clock-names entries that are replaced by
reset properties are not yet removed; the drivers must be updated to use
the new resets and reset-names properties first.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Enabling the LP1 suspend mode for Tegra devices.
Tested-by: Marc Dietrich <marvin24@gmx.de> # paz00 board
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Use the Tegra20 CAR binding header (tegra20-car.h) to replace magic
numbers in the device tree. For example,
- clocks = <&tegra_car 28>;
+ clocks = <&tegra_car CLK_HOST1X>;
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
[swarren, updated since tegra20-car.h moved for consistency]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Use the GIC and standard IRQ binding defines in all IRQ specifiers.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Use TEGRA_GPIO() macro to name all GPIOs referenced by GPIO properties,
and some interrupts properties. Use standard GPIO flag defines too.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Replace /include/ (dtc) with #include (C pre-processor) for all Tegra DT
files, so that gcc -E handles the entire include tree, and hence any of
those files can #include some other file e.g. for constant definitions.
This allows future use of #defines and header files in order to define
names for various constants, such as the IDs and flags in GPIO
specifiers. Use of those features will increase the readability of the
device tree files.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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This patch updates all Tegra board files so that they contain all the
properties required by the updated USB DT binding. Note that this patch
only adds the new properties and does not yet remove the old properties,
in order to maintain bisectability. The old properties will be removed
once the driver has been updated to assume the new bindings.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
[swarren: fixed some newly added regulator-name properties to better
match schematic, avoided duplicate regulator-name on Whistler.]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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1. All Tegra20 ULPI reset GPIO DT properties are modified to indicate active
low nature of the GPIO.
2. Placed USB PHY DT node immediately below the EHCI controller DT nodes
and corrected reg value in the name of USB PHY DT node.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Correct IDs for cdev1 and cdev2 are 94 and 93 respectively.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
[swarren: split into separate driver and device-tree patches]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Adding the PM configuration of PMC when the platform support suspend
function.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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This patch adds "non-removable" property of MMC host where the eMMC device
is for Tegra platform.
And the "keep-power-in-suspend" property was used for the SDIO device that
need this to go into suspend mode (e.g. BRCM43xx series).
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Audio-related clocks need to be represented in the device tree. Update
bindings to describe which clocks are needed, and DT files to include
those clocks.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Adding the bindings of the clock source of PMC in DT.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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The GPIO pin of SD slot card detection should active low.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/dt
From Stephen Warren:
ARM: tegra: device tree updates
Numerous updates to the various Tegra device trees are made:
* Addition of NVIDIA Beaver (Tegra30) and Toradex Colibri T20 and Iris
carrier boards.
* Enablement of the HDMI connector on most boards.
* Enablement of the keyboard controller on a few boards.
* Addition of the AC'97 controller to Tegra20.
* Addition of a GPIO poweroff node for TrimSlice.
* Changes to support the new "high speed UART" (DMA-capable) driver for
Tegra serial ports, and enablement for Cardhu's UART C.
* A few cleanups, such as compatible flag fixes, node renames, node
ordering fixes, commonizing properties into SoC .dtsi files, etc..
This pull request is based on (most of) the previous pull request with
tag tegra-for-3.9-soc-t114.
* tag 'tegra-for-3.9-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (22 commits)
ARM: dt: tegra30: Rename "smmu" to "iommu"
ARM: dt: tegra20: Rename "gart" to "iommu"
ARM: tegra: move serial clock-frequency attr into the Tegra30 dtsi
ARM: tegra: Add Toradex Iris carrier board DT with T20 512MB COM
ARM: tegra: Add Colibri T20 512MB COM device tree
ARM: tegra: move serial clock-frequency attr into the Tegra20 dtsi
ARM: tegra: harmony: enable keyboard in DT
ARM: tegra: whistler: enable keyboard in DT
ARM: tegra: cardhu: register UARTC
ARM: tegra: seaboard: enable keyboard in DT
ARM: tegra: add DT entry for KBC controller
ARM: tegra: swap cache-/interrupt-ctrlr nodes in DT
ASoC: tegra: add ac97 host controller to device tree
ARM: DT: tegra: Add Tegra30 Beaver board support
ARM: DT: tegra: Add board level compatible properties
ARM: tegra: paz00: enable HDMI port
ARM: tegra: ventana: enable HDMI port
ARM: tegra: seaboard: enable HDMI port
ARM: tegra: trimslice: add gpio-poweroff node to DT
ARM: DT: tegra: Unify the description of Tegra20 boards
...
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As reset GPIO information is PHY specific detail, adding
it to PHY DT node.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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No Tegra20 Platform is running PLL_P at another rate than 216MHz, nor is
any using any other PLL as UART source clock. Move attribute into SoC
level dtsi file to slim down board DT files.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Add clock i2c clock information to device node.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Commit 13511de "regulator: deprecate regulator-compatible DT property"
now allows for simpler content within the regulators node within a PMIC.
Modify all the Tegra device tree files to take advantage of this.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
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The Toshiba AC100/PAZ00 uses a TPS6586x regulator. Instantiate this.
Three data sources were used for the data encoded here:
* The HW defaults, as extracted from real HW.
* The schematic, which specifies a voltage for each rail in the signal
names.
* The AC100 kernel used by the Ubuntu port:
repo git://gitorious.org/~marvin24/ac100/marvin24s-kernel.git
branch chromeos-ac100-3.0
file arch/arm/mach-tegra/board-paz00-power.c
For many rails, the constraints in that tree specified differing min
and max voltages. In all cases, the min value was ignored, since
there's no need currently to vary any of the voltages at run-time.
DVFS might change this in the future.
In most cases these sources all matched. Differences are:
sm0: HW defaults and schematic match at 1.2v. marvin24's kernel had a max
of 1.3v, but this higher voltage was only applied to HW by DVFS code,
which isn't currently supported in mainline.
sm1: HW defaults and schematic match at 1.0v. marvin24's kernel had a max
of 1.125v, but this higher voltage was only applied to HW by DVFS code,
which isn't currently supported in mainline.
ldo3: The HW default is on. marvin24's kernel didn't specify always-on,
but since the board wasn't marked as having fully constrained regulators,
the rail was not turned off, so the difference had no effect. The rail
is needed for USB.
ldo6: The HW default is 2.85v. The schematics indicate 2.85v. However,
since this regulator is used for the same purpose as on other boards that
require 1.8v, this is set to 1.8v. Note that this regulator feeds the CRT
VDAC on Tegra, and so in practice is unlikely to be used, even though it
is actaully hooked up in HW.
Portions based on work by Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Marc Dietrich <marvin24@gmx.de> # v2
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
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Most ARM ${board}.dts files are already named ${soc}-${board}.dts. This
change modifies the Tegra board files to be named the same way for
consistency.
Once a related change is made in U-Boot, this will cause both U-Boot and
the kernel to use the same names for the .dts files and SoC identifiers,
thus allowing U-Boot's recently added "soc" and "board" environment
variables to be used to construct the name of Tegra .dtb files, and hence
allow board-generic U-Boot bootcmd scripts to be written.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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