arm64: tegra: Add vccmq on Jetson TX2

The TX2 SoM's SDIO WiFI card is connected via mmc@3440000 however it does
not look like the upstream kernel is even bothering to power this (and
the regulator f

arm64: tegra: Add vccmq on Jetson TX2

The TX2 SoM's SDIO WiFI card is connected via mmc@3440000 however it does
not look like the upstream kernel is even bothering to power this (and
the regulator framework shuts down this power rail post kernel init).

The issue seems to be a missing link for vccq from the MAX77620 PMIC's LDO5
which is labeled vddio_sdmmc3 (and not used anywhere else) to the mmc@3440000
node to ensure there is at leasr bus power.

Note this does not fix the WiFi issue on upstream kernels, there is still
something else missing that gets the BCM WiFi device to detect properly.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Sort nodes by unit-address, then alphabetically

Nodes in device tree should be sorted by unit-address, followed by nodes
without a unit-address, sorted alphabetically. Some exceptions

arm64: tegra: Sort nodes by unit-address, then alphabetically

Nodes in device tree should be sorted by unit-address, followed by nodes
without a unit-address, sorted alphabetically. Some exceptions are the
top-level aliases, chosen, firmware, memory and reserved-memory nodes,
which are expected to come first.

These rules apply recursively with some exceptions, such as pinmux nodes
or regulator nodes, which often follow more complicated ordering (often
by "importance").

While at it, change the name of some of the nodes to follow standard
naming conventions, which helps with the sorting order and reduces the
amount of warnings from the DT validation tools.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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Revert "arm64: dts: tegra: Fix boolean properties with values"

This reverts commit 1a67653de0dd, which caused a boot regression.

The behavior of the "drive-push-pull" in the kernel does not
match w

Revert "arm64: dts: tegra: Fix boolean properties with values"

This reverts commit 1a67653de0dd, which caused a boot regression.

The behavior of the "drive-push-pull" in the kernel does not
match what the binding document describes. Revert Rob's patch
to make the DT match the kernel again, rather than the binding.

Link: https://lore.kernel.org/lkml/YlVAy95eF%2F9b1nmu@orome/
Reported-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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arm64: dts: tegra: Fix boolean properties with values

Boolean properties in DT are present or not present and don't take a value.
A property such as 'foo = <0>;' evaluated to true. IOW, the value do

arm64: dts: tegra: Fix boolean properties with values

Boolean properties in DT are present or not present and don't take a value.
A property such as 'foo = <0>;' evaluated to true. IOW, the value doesn't
matter.

It may have been intended that 0 values are false, but there is no change
in behavior with this patch.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/Yk3nShkFzNJaI3/Z@robh.at.kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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arm64: tegra: Rename Ethernet PHY nodes

Name the Ethernet PHY device tree nodes as expected by the DT schema.

Signed-off-by: Thierry Reding <treding@nvidia.com>

arm64: tegra: Rename power-monitor input nodes

Child nodes of the TI INA3221 power monitor device tree node should be
called input@* according to the DT schema.

Signed-off-by: Thierry Reding <tredi

arm64: tegra: Rename power-monitor input nodes

Child nodes of the TI INA3221 power monitor device tree node should be
called input@* according to the DT schema.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Rename top-level regulators

Regulators defined at the top level in device tree are no longer part of
a simple bus and therefore don't have a reg property. Nodes without a
reg property

arm64: tegra: Rename top-level regulators

Regulators defined at the top level in device tree are no longer part of
a simple bus and therefore don't have a reg property. Nodes without a
reg property shouldn't have a unit-address either, so drop the unit
address from the node names. To ensure nodes aren't duplicated (in which
case they would end up merged in the final DTB), append the name of the
regulator to the node name.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Set fw_devlink=on for Jetson TX2

Commit 5d25c476f252 ("Revert "arm64: tegra: Disable the ACONNECT for
Jetson TX2"") re-enabled the Tegra ADMA and ACONNECT drivers to support
audio on J

arm64: tegra: Set fw_devlink=on for Jetson TX2

Commit 5d25c476f252 ("Revert "arm64: tegra: Disable the ACONNECT for
Jetson TX2"") re-enabled the Tegra ADMA and ACONNECT drivers to support
audio on Jetson TX2. However, this revert was dependent upon commit
e590474768f1 ("driver core: Set fw_devlink=on by default") and without
this commit, enabling the ACONNECT is causing resume from system suspend
to fail on Jetson TX2. Resume fails because the ACONNECT driver is being
resumed before the BPMP driver, and the ACONNECT driver is attempting to
power on a power-domain that is provided by the BPMP.

Commit e590474768f1 ("driver core: Set fw_devlink=on by default") has
since been temporarily reverted while some issues are being
investigated. This is causing resume from system suspend on Jetson TX2
to fail again. Rather than disable the ACONNECT driver again, fix this
by setting fw_devlink is set to 'on' for Jetson TX2 in the bootargs
specified in device-tree.

Fixes: 5d25c476f252 ("Revert arm64: tegra: Disable the ACONNECT for Jetson TX2")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Add label properties for EEPROMs

Populate the label property for the AT24 EEPROMs on the various Jetson
platforms. Note that the name 'module' is used to identify the EEPROM
on the pro

arm64: tegra: Add label properties for EEPROMs

Populate the label property for the AT24 EEPROMs on the various Jetson
platforms. Note that the name 'module' is used to identify the EEPROM
on the processor module board and the name 'system' is used to identify
the EEPROM on the main base board (which is sometimes referred to as
the carrier board).

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Sort aliases alphabetically

Most device tree files already do this, so update the remaining ones
for consistency.

Signed-off-by: Thierry Reding <treding@nvidia.com>

arm64: tegra: Use standard EEPROM properties

The address-bits and page-size properties that are currently used are
not valid properties according to the bindings. Use the address-width
and pagesize

arm64: tegra: Use standard EEPROM properties

The address-bits and page-size properties that are currently used are
not valid properties according to the bindings. Use the address-width
and pagesize properties instead.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Remove simple regulators bus

The standard way to do this is to list out the regulators at the top-
level. Adopt the standard way to fix validation.

Signed-off-by: Thierry Reding <tred

arm64: tegra: Remove simple regulators bus

The standard way to do this is to list out the regulators at the top-
level. Adopt the standard way to fix validation.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Rename sdhci nodes to mmc

The new json-schema based validation tools require SD/MMC controller
nodes to be named mmc. Rename all references to them.

Signed-off-by: Thierry Reding <tre

arm64: tegra: Rename sdhci nodes to mmc

The new json-schema based validation tools require SD/MMC controller
nodes to be named mmc. Rename all references to them.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Add unit-address to memory node

The memory node requires a unit-address. For some boards the bootloader,
which is usually locked down, uses a hard-coded name for the memory node
withou

arm64: tegra: Add unit-address to memory node

The memory node requires a unit-address. For some boards the bootloader,
which is usually locked down, uses a hard-coded name for the memory node
without a unit-address, so we can't fix it on those boards.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Add missing #phy-cells property on Jetson TX2

PHYs need to have a #phy-cells property that defines how many cells are
required in their specifier. The standard Ethernet PHY doesn't req

arm64: tegra: Add missing #phy-cells property on Jetson TX2

PHYs need to have a #phy-cells property that defines how many cells are
required in their specifier. The standard Ethernet PHY doesn't require
a specifier, so set its #phy-cells to 0.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Make the RTC a wakeup source on Jetson TX2

The RTC found on the MAX77620 PMIC can be used as a wakeup source on
Jetson TX2, which is useful to wake the system from suspend at a given
t

arm64: tegra: Make the RTC a wakeup source on Jetson TX2

The RTC found on the MAX77620 PMIC can be used as a wakeup source on
Jetson TX2, which is useful to wake the system from suspend at a given
time.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>

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arm64: tegra: Add EEPROM supplies

The following warning is observed on Jetson TX1, Jetson Nano and Jetson
TX2 platforms because the supply regulators are not specified for the
EEPROMs.

WARNING KER

arm64: tegra: Add EEPROM supplies

The following warning is observed on Jetson TX1, Jetson Nano and Jetson
TX2 platforms because the supply regulators are not specified for the
EEPROMs.

WARNING KERN at24 0-0050: 0-0050 supply vcc not found, using dummy regulator
WARNING KERN at24 0-0057: 0-0057 supply vcc not found, using dummy regulator

For both of these platforms the EEPROM is powered by the main 1.8V
supply rail and so populate the supply for these devices to fix these
warnings.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Allow bootloader to configure Ethernet MAC on Jetson TX2

Add an ethernet alias so that a stable MAC address is added to the
device tree for the wired ethernet interface.

Signed-off-by

arm64: tegra: Allow bootloader to configure Ethernet MAC on Jetson TX2

Add an ethernet alias so that a stable MAC address is added to the
device tree for the wired ethernet interface.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Add INA3221 channel info for Jetson TX2

There are four INA3221 chips on the Jetson TX2 (p3310 + p2771).
And each INA3221 chip has three input channels to monitor power.

So this patch

arm64: tegra: Add INA3221 channel info for Jetson TX2

There are four INA3221 chips on the Jetson TX2 (p3310 + p2771).
And each INA3221 chip has three input channels to monitor power.

So this patch adds these 12 channels to the DT of Jetson TX2, by
following the DT binding of INA3221 and official documents from
https://developer.nvidia.com/embedded/downloads

tegra186-p3310:
https://developer.nvidia.com/embedded/dlc/jetson-tx2-series-modules-oem-product-design-guide

tegra186-p2771-0000:
http://developer.nvidia.com/embedded/dlc/jetson-tx1-tx2-developer-kit-carrier-board-spec-20180618

Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Add ID EEPROM for Jetson TX2 module

There is an ID EEPROM in the Jetson TX2 module that stores various bits
of information to indentify the module. Add the device tree node so that
ope

arm64: tegra: Add ID EEPROM for Jetson TX2 module

There is an ID EEPROM in the Jetson TX2 module that stores various bits
of information to indentify the module. Add the device tree node so that
operating systems can access this EEPROM.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Clarify that P3310 is the Jetson TX2

P3310 is the internal part number for the Jetson TX2 module. Clarify
that using the DT model property.

Acked-by: Jon Hunter <jonathanh@nvidia.com>

arm64: tegra: Clarify that P3310 is the Jetson TX2

P3310 is the internal part number for the Jetson TX2 module. Clarify
that using the DT model property.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Remove regulator hacks on Jetson TX2

Various regulators were marked as always-on for Jetson TX2. At this
point, all of the regulators are properly hooked up, so this workaround
is no l

arm64: tegra: Remove regulator hacks on Jetson TX2

Various regulators were marked as always-on for Jetson TX2. At this
point, all of the regulators are properly hooked up, so this workaround
is no longer required.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: Enable XUSB on P2771

Enable the relevant pads for XUSB support on P2771-0000 and hook up the
USB supply voltage regulators to the ports.

Signed-off-by: Thierry Reding <treding@nvidia.

arm64: tegra: Enable XUSB on P2771

Enable the relevant pads for XUSB support on P2771-0000 and hook up the
USB supply voltage regulators to the ports.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: p3310: Use TEGRA186_ prefix for GPIO names

The new prefix allows the GPIOs to be uniquely identified on a per-chip
basis, which makes it easier to distinguish Tegra186 specific GPIOs f

arm64: tegra: p3310: Use TEGRA186_ prefix for GPIO names

The new prefix allows the GPIOs to be uniquely identified on a per-chip
basis, which makes it easier to distinguish Tegra186 specific GPIOs from
those of later chips such as Tegra194 which supports a very different
set of GPIOs.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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arm64: tegra: p3310: Enable on-die RTC

The on-die RTC isn't hooked up to a backup battery, so it isn't useful
to track time across reboots, but as long as power remains enabled, it
keeps track of ti

arm64: tegra: p3310: Enable on-die RTC

The on-die RTC isn't hooked up to a backup battery, so it isn't useful
to track time across reboots, but as long as power remains enabled, it
keeps track of time accurately and can be used to wake the system from
sleep, for example.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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