Commit Graph

803 Commits

Author SHA1 Message Date
Linus Torvalds
cbe8aadf15 soc: devicetree updates for 7.3
There are two new mystery SoCs with very little public information
 about them so far, Qualcomm's Cortex-A78C based "Shikra" and
 Altera's Cortex-A720 based Agilex72 SOCFPGA.
 
 We have also gained support for a couple of SoCs from the
 2023/2024 timeframe that have been in the making for a while:
 
  - The Apple platform gains support for M3 Pro, Max and Ultra SoC,
    following the basic M3 support from 7.2.
 
  - Samsung Exynos 1580 is a high-end mobile phone SoC from 2024
 
  - Canaan K230 is a RISC-V based 64-bit AI SoC, based on the
    earlier K210 chip
 
  - Sophgo SG2000 is a mixed Arm/RISC-V chip that was already
    supported using the Arm core but is now also added for RISC-V
    along with several other variants of the cv18xx series
 
 In terms of newly added machines we have reference platforms
 for all the chips above, plus
 
  - only four 32-bit Arm boards: two older phones and two
    older industrial/embedded boards; using Allwinner, Qualcomm and
    Rockchip SoCs
 
  - Three laptops und three phones using Qualcomm SoCs
 
  - Ten 64-bit Rockchips based single-board computers, along with one
  NAS box and a game console.
 
  - Seven industrial/embedded boards and modules using NXP i.MX8/9 SoCs.
 
  - A Lenovo desktop box based on NVIDIA Jetson Xavier NX
 
  - A few more single-board computers based on Allwinnner A133,
    Spacemit K1 and TI AM62.
 
 As usual, there is a constant stream of minor cleanups and fixes
 towards addressing the 'dt-check-style --mode strict' warnings,
 and everyone is expected to address those warnings for new
 submissions now.
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Merge tag 'soc-dt-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "There are two new mystery SoCs with very little public information
  about them so far, Qualcomm's Cortex-A78C based "Shikra" and Altera's
  Cortex-A720 based Agilex72 SOCFPGA.

  We have also gained support for a couple of SoCs from the 2023/2024
  timeframe that have been in the making for a while:

   - The Apple platform gains support for M3 Pro, Max and Ultra SoC,
     following the basic M3 support from 7.2.

   - Samsung Exynos 1580 is a high-end mobile phone SoC from 2024

   - Canaan K230 is a RISC-V based 64-bit AI SoC, based on the earlier
     K210 chip

   - Sophgo SG2000 is a mixed Arm/RISC-V chip that was already supported
     using the Arm core but is now also added for RISC-V along with
     several other variants of the cv18xx series

  In terms of newly added machines we have reference platforms for all
  the chips above, plus

   - Only four 32-bit Arm boards: two older phones and two older
     industrial/embedded boards; using Allwinner, Qualcomm and Rockchip
     SoCs

   - Three laptops und three phones using Qualcomm SoCs

   - Ten 64-bit Rockchips based single-board computers, along with one
     NAS box and a game console.

   - Seven industrial/embedded boards and modules using NXP i.MX8/9
     SoCs.

   - A Lenovo desktop box based on NVIDIA Jetson Xavier NX

   - A few more single-board computers based on Allwinnner A133,
     Spacemit K1 and TI AM62.

  As usual, there is a constant stream of minor cleanups and fixes
  towards addressing the 'dt-check-style --mode strict' warnings, and
  everyone is expected to address those warnings for new submissions
  now"

* tag 'soc-dt-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (864 commits)
  Revert "riscv: dts: spacemit: k3: add i2s0-i2s5 nodes"
  Documentation/process: maintainer-soc: Mention expectation about dt-check-style
  ARM: dts: helios4: add SATA regulator supplies
  ARM: dts: helios4: add vcc-supply to GPIO expander
  ARM: dts: helios4: add vcc-supply to EEPROM
  arm64: dts: turris-mox: fix usb3 phys
  arm64: dts: ti: Correct white-space style
  arm64: dts: ti: k3-am64: Fix MDIO clock reference for ICSSG0 node
  arm64: dts: qcom: talos-evk: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: sa8155p-adp: Fix swapped USB and UFS QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: eliza-mtp: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: lemans: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: glymur: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: kaanapali: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: sar2130p: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: sm8750: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: sm8650: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: purwa: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: hamoa: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  arm64: dts: qcom: sc8180x: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
  ...
2026-08-18 19:36:32 -07:00
Arnd Bergmann
658ed6d54e Minor improvements in arm64 DTS for v7.3
Several non-functional (white-space and style) changes to match with DTS
 coding style as reported by recent dt-check-style tool.  Goal is to get
 to no `dt-check-style --mode strict` warnings over time.
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Merge tag 'dt64-cleanup-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-dt into soc/dt

Minor improvements in arm64 DTS for v7.3

Several non-functional (white-space and style) changes to match with DTS
coding style as reported by recent dt-check-style tool.  Goal is to get
to no `dt-check-style --mode strict` warnings over time.

* tag 'dt64-cleanup-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-dt:
  arm64: dts: Correct white-space style
  arm64: dts: amd: seattle: Remove useless xgbe DTSI include
  arm64: dts: amd: seattle: Remove useless clocks DTSI include

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-08-10 18:01:37 +02:00
Krzysztof Kozlowski
7c78d6fa9a arm64: dts: Correct white-space style
Correct a few white-space issues, like missing space before bracket '{'
character or spurious space, which will be flagged by dt-check-style
("redundant-whitespace" warning).  No functional changes.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Michal Simek <michal.simek@amd.com> # Versal NET
Acked-by: Sven Peter <sven@kernel.org> # for apple dts
Link: https://patch.msgid.link/20260801210210.383417-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2026-08-04 08:10:49 +02:00
Krzysztof Kozlowski
2aedc7afff arm64: tegra: Correct Tegra234 p3740 interrupt flags
GPIO_ACTIVE_x flags are not correct in the context of interrupt flags.
These are simple defines so they could be used in DTS but they will not
have the same meaning:
1. GPIO_ACTIVE_HIGH = 0 => IRQ_TYPE_NONE
2. GPIO_ACTIVE_LOW  = 1 => IRQ_TYPE_EDGE_RISING

Realtek RT5640 codec driver requests interrupt on rising edge, so correct
the interrupt flags, assuming the author of the code wanted the similar
logical behavior behind the name "ACTIVE_xxx", this is:

  ACTIVE_HIGH  => IRQ_TYPE_EDGE_RISING

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:55:32 +02:00
Krzysztof Kozlowski
bf2d4b582e arm64: tegra: Correct Tegra234 p3737 interrupt flags
GPIO_ACTIVE_x flags are not correct in the context of interrupt flags.
These are simple defines so they could be used in DTS but they will not
have the same meaning:
1. GPIO_ACTIVE_HIGH = 0 => IRQ_TYPE_NONE
2. GPIO_ACTIVE_LOW  = 1 => IRQ_TYPE_EDGE_RISING

Realtek RT5640 codec driver requests interrupt on rising edge, so correct
the interrupt flags, assuming the author of the code wanted the similar
logical behavior behind the name "ACTIVE_xxx", this is:

  ACTIVE_HIGH  => IRQ_TYPE_EDGE_RISING

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:55:32 +02:00
Krzysztof Kozlowski
93fd84cee4 arm64: tegra: Correct Tegra194 p2972 interrupt flags
GPIO_ACTIVE_x flags are not correct in the context of interrupt flags.
These are simple defines so they could be used in DTS but they will not
have the same meaning:
1. GPIO_ACTIVE_HIGH = 0 => IRQ_TYPE_NONE
2. GPIO_ACTIVE_LOW  = 1 => IRQ_TYPE_EDGE_RISING

Realtek RT5658 codec driver requests interrupt on both edges, so correct
the interrupt flags, assuming the author of the code wanted the similar
logical behavior behind the name "ACTIVE_xxx", this is:

  ACTIVE_HIGH  => IRQ_TYPE_EDGE_RISING

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:55:31 +02:00
Geert Uytterhoeven
3f856cf050 arm64: tegra: Drop CPU masks from GICv3 PPI interrupts
Unlike older GIC variants, the GICv3 DT bindings do not support
specifying a CPU mask in PPI interrupt specifiers.  Drop the masks.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:40:09 +02:00
Jiqi Li
30a140dabe arm64: tegra: Add Lenovo ThinkEdge SE70 device tree
Add initial device tree support for the Lenovo ThinkEdge SE70, an
industrial edge gateway based on the NVIDIA Jetson Xavier NX module
(P3668-0001) with a custom carrier board.

This initial submission includes:
- 40-pin expansion header pinmux configuration
- External Micro SD card slot with dedicated 3.3V regulator
- I2C bus for 40-pin header

Static verification passed: dt_binding_check and dtbs compilation
complete without errors.

Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Jiqi Li <lijq9@lenovo.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:38:47 +02:00
Prathamesh Shete
a112f2f517 arm64: tegra: Add pinctrl nodes for Tegra264
Add the three pin controller (MAIN, UPHY, AON) device-tree nodes found on
Tegra264.

Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:38:20 +02:00
Ashish Mhetre
5af7a8a522 arm64: tegra: Fix CMDQV interrupt type on Tegra264
The CMDQV interrupts on Tegra264 are described as level-triggered, but
per the hardware interrupt documentation these interrupts are actually
edge-triggered.

Correct the interrupt type for all CMDQV nodes from IRQ_TYPE_LEVEL_HIGH
to IRQ_TYPE_EDGE_RISING.

Fixes: fe57d0ac48 ("arm64: tegra: Add nodes for CMDQV")
Reported-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:38:20 +02:00
Thierry Reding
96c5696a58 arm64: tegra: Properly sort devices on Tegra264
We always sort by unit-address and fallback to alphanumeric sorting for
nodes that don't have a unit-address.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:38:19 +02:00
Suneel Garapati
2863b8f38f arm64: tegra: Add GTE nodes for Tegra264
Add AON GPIO and system LIC GTE instances for Tegra264.

Signed-off-by: Suneel Garapati <suneelg@nvidia.com>
Acked-by: Dipen Patel <dipenp@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:38:19 +02:00
Mikko Perttunen
d51928a36f arm64: tegra: Add Host1x and VIC on Tegra264
Tegra264 has a host1x instance with a VIC (video image compositor).
Other multimedia engines have moved outside host1x. Stream IDs are
now namespaced by device rather than being defined globally --
however, the only engine we have using context isolation is VIC so
we only define VIC's range of context devices.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:38:19 +02:00
Sumit Gupta
0e925a882e arm64: tegra: Populate CPU and L2 cache nodes on Tegra264
Add the remaining 12 CPU nodes and all 14 L2 cache nodes for the
Tegra264 CPU Complex, which comprises up to 14 ARM Neoverse V3AE
CPUs. Each CPU has its own private 1MB L2 cache.

Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:38:19 +02:00
Akhil R
7de0c114f0 arm64: tegra: Enable GPCDMA in Tegra264 and add iommu-map
Enable GPCDMA in Tegra264 and add the iommu-map property so that each
channel uses a separate stream ID and gets its own IOMMU domain for
memory.

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-31 17:38:19 +02:00
Jon Hunter
a7c28483fd arm64: tegra: Add EL2 virtual timer interrupt for Tegra194
Commit d87773de9e ("clocksource/drivers/arm_arch_timer: Default to EL2
virtual timer when running VHE") updated the ARM arch timer driver to
use the virtual timer by default if the CPU is running at EL2 with VHE
enabled. If the CPU is running at EL2 with VHE enabled but there is no
interrupt provided for the virtual timer, then the following warning is
displayed:

 arch_timer: [Firmware Bug]: VHE-capable CPU without EL2 virtual timer
  interrupt

This warning is observed on Tegra194 platforms. Tegra194 SoC includes
NVIDIA Carmel ARM v8.2 CPUs and support an EL2 virtual timer. Fix the
above warning by adding the PPI for the EL2 virtual timer interrupt for
Tegra194.

Fixes: 5425fb15d8 ("arm64: tegra: Add Tegra194 chip device tree")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-07-29 18:05:46 +02:00
Sumit Gupta
806a66f926 arm64: tegra: Fix CPU1 node unit-address on Tegra264
Fix the unit-address of cpu1 node to match its reg property value.

Fixes: f6d1890e5f4d ("arm64: tegra: Add device tree for Tegra264")
Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-06-25 11:13:27 +02:00
Sumit Gupta
0dfa1e960f arm64: tegra: Fix CPU compatible string to cortex-a78ae on Tegra234
The Tegra234 SoC uses Cortex-A78AE cores, not Cortex-A78. Update the
compatible string for all CPU nodes to match the actual hardware.

Tegra234 hardware reports:
  # head /proc/cpuinfo | egrep 'implementer|part'
  CPU implementer : 0x41
  CPU part        : 0xd42

Which maps to (from arch/arm64/include/asm/cputype.h):
  #define ARM_CPU_IMP_ARM              0x41
  #define ARM_CPU_PART_CORTEX_A78AE    0xD42

Fixes: a12cf5c339 ("arm64: tegra: Describe Tegra234 CPU hierarchy")
Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-06-25 11:13:27 +02:00
Akhil R
ee7863e432 arm64: tegra: Remove fallback compatible for GPCDMA
Remove the fallback compatible string "nvidia,tegra186-gpcdma" for GPCDMA
in Tegra264. Tegra186 compatible cannot work on Tegra264 because of the
register offset changes and absence of the reset property.

Fixes: 65ef237e48 ("arm64: tegra: Add Tegra264 support")
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-06-10 12:32:42 +02:00
Aaron Kling
e1215cd6d3 arm64: tegra: Enable SMMU on Tegra194 display controllers
These use a separate SMMU instance compared to everything else currently
enabled for the SoC.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-05-29 14:33:29 +02:00
Aaron Kling
3b7b80753c Revert "arm64: tegra: Disable ISO SMMU for Tegra194"
This reverts commit ebea268ea5.

Mmu is now being enabled for the display controllers.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-05-29 14:32:21 +02:00
Brian Norris
f0fbedccae arm64: tegra: Add #{address,size}-cells to Chromium-based /firmware
Chromium/Depthcharge bootloaders may dynamically add a few device nodes
to a system's DTB under a /firmware node. A typical DT looks something
like the following:

/ {
        firmware {
                ranges;

                coreboot {
                        compatible = "coreboot";
                        reg = <...>;
                        ...;
                };
        };
};

Notably, the /firmware node has an empty 'ranges', but does not have
address/size-cells.

Commit 6e5773d52f ("of/address: Fix WARN when attempting translating
non-translatable addresses") started requiring #address-cells for a
device's parent if we want to use the reg resource in a device node.
This leads to errors like the following:

[    7.763870] coreboot_table firmware:coreboot: probe with driver coreboot_table failed with error -22

Add appropriate #{address,size}-cells to work around the problem.

Note that Google has also patched the Depthcharge bootloader source to
add {address,size}-cells [1], but bootloader updates are typically
delivered only via Google OS updates. Not all users install Google
software updates, and even if they do, Google may not produce updated
binaries for all/older devices.

[1] https://lore.kernel.org/all/20241209092809.GA3246424@google.com/
    https://crrev.com/c/6051580 ("coreboot: Insert #address-cells and
    #size-cells for firmware node")

Closes: https://lore.kernel.org/all/aeKlYzTiL0OB1y3g@google.com/
Fixes: 6e5773d52f ("of/address: Fix WARN when attempting translating non-translatable addresses")
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-05-29 00:08:34 +02:00
Manikanta Maddireddy
bba8eefb56 arm64: tegra: Fix aspm-l1-entry-delay-ns L1 latency cells
The Tegra194 PCIe driver converts aspm-l1-entry-delay-ns to whole ms
with ceiling division, then derives the Synopsys DesignWare PORT_AFR L1
entrance latency encoding as min(order_base_2(us), 7).

The nanosecond values from the Fixes tag below round up to 4, 8, and 16 us,
selecting PORT_AFR L1 entrance latency codes 2, 3, and 4 respectively.
Raise the programmed latency so the PORT_AFR codes are 3 / 4 / 5
(8 / 16 / 32 us buckets) instead of 2 / 3 / 4 (4 / 8 / 16 us).

- tegra194.dtsi: 4000 -> 8000 ns (all listed controllers)
- tegra234.dtsi: 8000 -> 16000 ns (Root Port), 16000 -> 32000 ns (Endpoint)

Fixes: d60ed99f1c ("arm64: tegra: Add aspm-l1-entry-delay-ns to PCIe nodes")
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-05-28 23:39:59 +02:00
Diogo Ivo
00b5b4e5d3 arm64: tegra: Mark MAX77620 as system power controller on Smaug
Register the MAX77620 PMIC as the system power controller on Pixel C so
the driver can install its sys-off handler.

This allows the PMIC poweroff sequence to override the non-working PSCI
SYSTEM_OFF implementation on this platform.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-05-28 22:52:34 +02:00
Jon Hunter
36532a9a22 arm64: tegra: Enable PCIe for Jetson AGX Thor
Enable the PCIe controllers on the Jetson AGX Thor Developer Kit that
are used for ethernet and NVMe.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-05-26 16:57:41 +02:00
Jon Hunter
7f2eeae126 arm64: tegra: Fix address of Tegra264 main GPIO controller
The 64-bit address of the main GPIO controller on Tegra264 is
0x810c300000. The main GPIO controller was incorrectly added under the
bus@0 node instead of the bus@8100000000 node breaking the boot on
Tegra264. Fix this by moving to main GPIO controller node under
bus@8100000000.

Fixes: c70e6bc11d ("arm64: tegra: Add Tegra264 GPIO controllers")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-05-26 16:54:38 +02:00
Manikanta Maddireddy
d60ed99f1c arm64: tegra: Add aspm-l1-entry-delay-ns to PCIe nodes
Add the aspm-l1-entry-delay-ns device tree property to all PCIe Root Port
and PCIe Endpoint nodes in tegra194.dtsi and tegra234.dtsi so that ASPM L1
entrance latency is configured from device tree.

- Tegra194: 4000 ns (4 us) for both Root Port and Endpoint.
- Tegra234: 8000 ns (8 us) for Root Port, 16000 ns (16 us) for Endpoint.

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-04-28 10:32:07 +02:00
Jon Hunter
8f0cc929a4 arm64: tegra: Fix Tegra234 MGBE PTP clock
The Tegra MGBE PTP clock is incorrectly named as 'ptp-ref' and not
'ptp_ref' and this causing the initialisation of the PTP clock to fail.
The device-tree binding doc for the device and the Tegra MGBE driver
have been updated to use the correct name and so update the device-tree
for Tegra234 as well.

Fixes: 610cdf3186 ("arm64: tegra: Add MGBE nodes on Tegra234")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-04-28 10:31:48 +02:00
Prathamesh Shete
c70e6bc11d arm64: tegra: Add Tegra264 GPIO controllers
Add device tree nodes for MAIN, AON and UPHY GPIO controller instances.

Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-03-28 01:36:46 +01:00
Diogo Ivo
e4722f5510 arm64: tegra: smaug: Enable SPI-NOR flash
Add support for the SPI-NOR flash found in Pixel C devices.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-03-28 01:32:36 +01:00
Thierry Reding
f369289d46 arm64: tegra: Add Jetson AGX Thor Developer Kit support
Add basic support for the Jetson AGX Thor Developer Kit. It's quite
similar to the existing reference platform but has a slightly different
carrier board with different mass storage options and I/O.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-03-28 01:05:43 +01:00
Thierry Reding
06c3b6c594 arm64: tegra: Add PCI controllers on Tegra264
A total of six PCIe controllers can be found on Tegra264. One of them is
used internally for the integrated GPU while the other five can go to a
variety of connectors like full PCIe slots or M.2.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-03-27 16:29:37 +01:00
Jon Hunter
69ec77b3f1 arm64: tegra: Fix RTC aliases
The following warning is observed on the Tegra234 Jetson platforms ...

 rtc-nvidia-vrs10 4-003c: /aliases ID 0 not available

This happens because the 'rtc@c2a0000' device is registered before the
vrs10 RTC and so is assigned the 'rtc0' alias. We want the vrs10 RTC to
be the default RTC because this RTC maintains time across power cycles.
Fix this by adding a 'rtc1' alias for the 'rtc@c2a0000' device.

Fixes: b1806f2b4e ("arm64: tegra: Add device-tree node for NVVRS RTC")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-03-27 16:29:36 +01:00
Thierry Reding
8231b3dbd6 arm64: tegra: Drop redundant clock and reset names for TSEC
The DT bindings don't allow the clock and reset names to be specified
since there is only a single entry for each.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-03-27 16:29:36 +01:00
Thierry Reding
51f10c527a arm64: tegra: Fix snps,blen properties
The snps,blen property of stmmac-axi-config nodes needs to have 7
entries in total, with unsupported burst lengths listed as 0.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-03-27 16:29:36 +01:00
Linus Torvalds
6589b3d76d soc: devicetree updates for 7.0
There are a handful of new SoCs this time, all of these are
 more or less related to chips in a wider family:
 
  - SpacemiT Key Stone K3 is an 8-core risc-v chip, and the first
    widely available RVA23 implementation. Note that this is
    entirely unrelated with the similarly named Texas Instruments
    K3 chip family that follwed the TI Keystone2 SoC.
 
  - The Realtek Kent family of SoCs contains three chip models
    rtd1501s, rtd1861b and rtd1920s, and is related to their earlier
    Set-top-box and NAS products such as rtd1619, but is built
    on newer Arm Cortex-A78 cores.
 
  - The Qualcomm Milos family includes the Snapdragon 7s Gen 3
    (SM7635) mobile phone SoC built around Armv9 Kryo cores of the Arm
    Cortex-A720 generation. This one is used in the Fairphone Gen 6
 
  - Qualcomm Kaanapali is a new SoC based around eight high
    performance Oryon CPU cores
 
  - NXP i.MX8QP and i.MX952 are both feature reduced versions of
    chips we already support, i.e. the i.MX8QM and i.MX952, with
    fewer CPU cores and I/O interfaces.
 
 As part of a cleanup, a number of SoC specific devicetree files got
 removed because they did not have a single board using the .dtsi files
 and they were never compile tested as a result: Samsung s3c6400,
 ST spear320s, ST stm32mp21xc/stm32mp23xc/stm32mp25xc, Renesas
 r8a779m0/r8a779m2/r8a779m4/r8a779m6/r8a779m7/r8a779m8/r8a779mb/
 r9a07g044c1/r9a07g044l1/r9a07g054l1/r9a09g047e37, and TI am3703/am3715.
 All of these could be restored easily if a new board gets merged.
 
 Broadcom/Cavium/Marvell ThunderX2 gets removed along with its only
 machine, as all remaining users are assumed to be using ACPI
 based firmware.
 
 A relatively small number of 43 boards get added this time, and
 almost all of them for arm64. Aside from the reference boards for
 the newly added SoCs, this includes:
 
  - Three server boards use 32-bit ASpeed BMCs
 
  - One more reference board for 32-bit Microchip LAN9668
 
  - 64-bit Arm single-board computers based on Amlogic s905y4,
    CIX sky1, NXP ls1028a/imx8mn/imx8mp/imx91/imx93/imx95,
    Qualcomm qcs6490/qrb2210 and Rockchip rk3568/rk3588s
 
  - Carrier board for SOMs using Intel agilex5, Marvell Armada 7020,
    NXP iMX8QP, Mediatek mt8370/mt8390 and rockchip rk3588
 
  - Two mobile phones using Snapdragon 845
 
  - A gaming device and a NAS box, both based on Rockchips rk356x
 
 On top of the newly added boards and SoCs, there is a lot of
 background activity going into cleanups, in particular towards
 getting a warning-free dtc build, and the usual work on adding
 support for more hardware on the previously added machines.
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Merge tag 'soc-dt-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "There are a handful of new SoCs this time, all of these are more or
  less related to chips in a wider family:

   - SpacemiT Key Stone K3 is an 8-core risc-v chip, and the first
     widely available RVA23 implementation. Note that this is entirely
     unrelated with the similarly named Texas Instruments K3 chip family
     that follwed the TI Keystone2 SoC.

   - The Realtek Kent family of SoCs contains three chip models
     rtd1501s, rtd1861b and rtd1920s, and is related to their earlier
     Set-top-box and NAS products such as rtd1619, but is built on newer
     Arm Cortex-A78 cores.

   - The Qualcomm Milos family includes the Snapdragon 7s Gen 3 (SM7635)
     mobile phone SoC built around Armv9 Kryo cores of the Arm
     Cortex-A720 generation. This one is used in the Fairphone Gen 6

   - Qualcomm Kaanapali is a new SoC based around eight high performance
     Oryon CPU cores

   - NXP i.MX8QP and i.MX952 are both feature reduced versions of chips
     we already support, i.e. the i.MX8QM and i.MX952, with fewer CPU
     cores and I/O interfaces.

  As part of a cleanup, a number of SoC specific devicetree files got
  removed because they did not have a single board using the .dtsi files
  and they were never compile tested as a result: Samsung s3c6400, ST
  spear320s, ST stm32mp21xc/stm32mp23xc/stm32mp25xc, Renesas
  r8a779m0/r8a779m2/r8a779m4/r8a779m6/r8a779m7/r8a779m8/r8a779mb/
  r9a07g044c1/r9a07g044l1/r9a07g054l1/r9a09g047e37, and TI
  am3703/am3715. All of these could be restored easily if a new board
  gets merged.

  Broadcom/Cavium/Marvell ThunderX2 gets removed along with its only
  machine, as all remaining users are assumed to be using ACPI based
  firmware.

  A relatively small number of 43 boards get added this time, and almost
  all of them for arm64. Aside from the reference boards for the newly
  added SoCs, this includes:

   - Three server boards use 32-bit ASpeed BMCs

   - One more reference board for 32-bit Microchip LAN9668

   - 64-bit Arm single-board computers based on Amlogic s905y4, CIX
     sky1, NXP ls1028a/imx8mn/imx8mp/imx91/imx93/imx95, Qualcomm
     qcs6490/qrb2210 and Rockchip rk3568/rk3588s

   - Carrier board for SOMs using Intel agilex5, Marvell Armada 7020,
     NXP iMX8QP, Mediatek mt8370/mt8390 and rockchip rk3588

   - Two mobile phones using Snapdragon 845

   - A gaming device and a NAS box, both based on Rockchips rk356x

  On top of the newly added boards and SoCs, there is a lot of
  background activity going into cleanups, in particular towards getting
  a warning-free dtc build, and the usual work on adding support for
  more hardware on the previously added machines"

* tag 'soc-dt-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (757 commits)
  dt-bindings: intel: Add Agilex eMMC support
  arm64: dts: socfpga: agilex: add emmc support
  arm64: dts: intel: agilex5: Add simple-bus node on top of dma controller node
  ARM: dts: socfpga: fix dtbs_check warning for fpga-region
  ARM: dts: socfpga: add #address-cells and #size-cells for sram node
  dt-bindings: altera: document syscon as fallback for sys-mgr
  arm64: dts: altera: Use lowercase hex
  dt-bindings: arm: altera: combine Intel's SoCFPGA into altera.yaml
  arm64: dts: socfpga: agilex5: Add IOMMUS property for ethernet nodes
  arm64: dts: socfpga: agilex5: add support for modular board
  dt-bindings: intel: Add Agilex5 SoCFPGA modular board
  arm64: dts: socfpga: agilex5: Add dma-coherent property
  arm64: dts: realtek: Add Kent SoC and EVB device trees
  dt-bindings: arm: realtek: Add Kent Soc family compatibles
  ARM: dts: samsung: Drop s3c6400.dtsi
  ARM: dts: nuvoton: Minor whitespace cleanup
  MAINTAINERS: Add Falcon DB
  arm64: dts: a7k: add COM Express boards
  ARM: dts: microchip: Drop usb_a9g20-dab-mmx.dtsi
  arm64: dts: rockchip: Fix rk3588 PCIe range mappings
  ...
2026-02-10 21:11:08 -08:00
Diogo Ivo
dfa93788dd arm64: tegra: smaug: Add usb-role-switch support
The USB2 port on Smaug is configured for OTG operation but lacked the
required 'usb-role-switch' property, leading to a failed probe and a
non-functioning USB port. Add the property along with setting the default
role to host.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:15:26 +01:00
Diogo Ivo
c256740c4b arm64: tegra: smaug: Complete and enable tegra-udc node
Complete the missing properties in the tegra-udc node and enable it for
Smaug.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:15:26 +01:00
Diogo Ivo
8acdb94dcf arm64: tegra: smaug: Enable DisplayPort via USB-C port
Enable both SOR and DPAUX modules allowing the USB-C port to transmit
video in DP altmode. Tested on several monitors with USB-C to HDMI
adapter.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:14:19 +01:00
Krzysztof Kozlowski
7263d6a8b8 arm64: tegra: Correct CPU compatibles on Tegra264
"arm,armv8" CPU compatible is only for software models and must not be
used in DTS for actual hardware.  Replace them with Neoverse V3AE
compatible, based what is written on Wikipedia [1].

Link: https://en.wikipedia.org/wiki/Tegra#Thor [1]
Reported-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Closes: https://lore.kernel.org/all/59ae6b16-7866-413a-a1d2-4a735024c108@oss.qualcomm.com/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:07:22 +01:00
Krzysztof Kozlowski
42cbac7dc9 arm64: tegra: Drop unneeded status=okay on Tegra264
Device nodes are enabled by default and this DTSI file does not include
anything else, thus it is impossible that nodes were disabled before and
need to be re-enabled.  Adding redundant status=okay is just confusing
and suggests some other code flow.  Verified with dtx_diff.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:07:22 +01:00
Krzysztof Kozlowski
8f9c967e8e arm64: tegra: Drop unneeded status=okay on Tegra234
Device nodes are enabled by default and this DTSI file does not include
anything else, thus it is impossible that nodes were disabled before and
need to be re-enabled.  Adding redundant status=okay is just confusing
and suggests some other code flow.  Verified with dtx_diff.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:07:22 +01:00
Krzysztof Kozlowski
9ff1e819b0 arm64: tegra: Drop unneeded status=okay on Tegra194
Device nodes are enabled by default and this DTSI file does not include
anything else, thus it is impossible that nodes were disabled before and
need to be re-enabled.  Adding redundant status=okay is just confusing
and suggests some other code flow.  Verified with dtx_diff.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:07:22 +01:00
Krzysztof Kozlowski
6e71a4b887 arm64: tegra: Drop unneeded status=okay on Tegra186
Device nodes are enabled by default and this DTSI file does not include
anything else, thus it is impossible that nodes were disabled before and
need to be re-enabled.  Adding redundant status=okay is just confusing
and suggests some other code flow.  Verified with dtx_diff.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:07:22 +01:00
Ashish Mhetre
fe57d0ac48 arm64: tegra: Add nodes for CMDQV
The Command Queue Virtualization (CMDQV) hardware is part of the
SMMUv3 implementation on NVIDIA Tegra SoCs. It assists in
virtualizing the command queue for the SMMU.

Update SMMU compatible strings to use nvidia,tegra264-smmu to enable
CMDQV support. Add device tree nodes for the CMDQV hardware and enable
them on the tegra264-p3834 platform where SMMUs are enabled. Each SMMU
instance is paired with its corresponding CMDQV instance via the
nvidia,cmdqv property.

Acked-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:07:22 +01:00
Thierry Reding
fbde94c13b arm64: tegra: Add DBB clock to EMC on Tegra264
The DBB clock is used by the EMC to enable the data path from various IP
blocks to external memory.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-01-17 01:07:21 +01:00
Jon Hunter
2150467fc6 Revert "arm64: tegra: Add interconnect properties for Tegra210"
Commit 59a42707a094 ("arm64: tegra: Add interconnect properties for
Tegra210") populated interconnect properties for Tegra210 and this is
preventing the Tegra DRM driver from probing successfully. The following
error is observed on boot ...

 drm drm: failed to initialize 54240000.dc: -517

For now revert this change, until a fix is available.

Fixes: 59a42707a094 ("arm64: tegra: Add interconnect properties for Tegra210")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-01-15 17:42:42 +01:00
Aaron Kling
0936fa8015 arm64: tegra: Remove OTG ID GPIO from Jetson TX2 NX
The P3509 carrier board does not connect the ID GPIO. Prior to this, the
GPIO role switch driver could not detect the mode of the OTG port.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2025-11-14 22:55:12 +01:00
Aaron Kling
a72c3372ad arm64: tegra: Set USB Micro-B port to OTG mode on P3450
The USB Micro-B port on p3450 is capable of OTG and doesn't need to be
hardcoded to peripheral. No other supported Tegra device is set up like
this, so align for consistency.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2025-11-14 22:55:12 +01:00
Diogo Ivo
7beff596dd arm64: tegra: Add NVJPG node for Tegra210 platforms
The Tegra X1 chip contains a NVJPG accelerator capable of
encoding/decoding JPEG files in hardware. Complete its DT node
and enable it.

Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2025-11-14 22:55:12 +01:00