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Date:   Wed,  6 Jul 2022 23:32:46 +0200
From:   Thierry Reding <>
To:     Thierry Reding <>
Cc:     Jon Hunter <>,
        Rob Herring <>,
        Krzysztof Kozlowski <>,
        "David S . Miller" <>,
        Eric Dumazet <>,
        Jakub Kicinski <>,
        Paolo Abeni <>,
        Bhadram Varka <>,,,
Subject: [PATCH v3 0/9] tegra: Add support for MGBE controller

From: Thierry Reding <>

Hi everyone,

This series adds support for the MGBE Ethernet controller that can be
found on Tegra234 SoCs.

Despite what I said earlier, I've decided to include patches 1-4 here
to make it a little easier for patchwork (and related tooling) to detect
this as a subsequent series. I do have those patches in the Tegra tree
already with the Acked-bys from Krzysztof, though, so no need to go
through those again.

Hopefully the DT bindings are all good now. I've run them through the
dt_binding_check target and verified that the DTS changes in this series
also validate correctly. I've left the interrupt-names property in and
added the additional (optional) macsec-ns and macsec interrupts to
illustrate why we need the "common" interrupt. Hopefully that now
clarifies things.

In addition to patches 1-4 I plan to apply patches 5-8 to the Tegra tree
as well once the DT bindings have been reviewed and finalized. Patch 9
can go through the net-next tree independently since there are no

Changes in v3:
- address remaining review comments on DT bindings

Changes in v2:
- address some review comments on DT bindings


Bhadram Varka (3):
  dt-bindings: net: Add Tegra234 MGBE
  arm64: defconfig: Enable Tegra MGBE driver
  stmmac: tegra: Add MGBE support

Thierry Reding (6):
  dt-bindings: power: Add Tegra234 MGBE power domains
  dt-bindings: Add Tegra234 MGBE clocks and resets
  dt-bindings: memory: Add Tegra234 MGBE memory clients
  memory: tegra: Add MGBE memory clients for Tegra234
  arm64: tegra: Add MGBE nodes on Tegra234
  arm64: tegra: Enable MGBE on Jetson AGX Orin Developer Kit

 .../bindings/net/nvidia,tegra234-mgbe.yaml    | 169 ++++++++++
 .../nvidia/tegra234-p3737-0000+p3701-0000.dts |  21 ++
 arch/arm64/boot/dts/nvidia/tegra234.dtsi      | 136 ++++++++
 arch/arm64/configs/defconfig                  |   1 +
 drivers/memory/tegra/tegra234.c               |  80 +++++
 drivers/net/ethernet/stmicro/stmmac/Kconfig   |   6 +
 drivers/net/ethernet/stmicro/stmmac/Makefile  |   1 +
 .../net/ethernet/stmicro/stmmac/dwmac-tegra.c | 290 ++++++++++++++++++
 include/dt-bindings/clock/tegra234-clock.h    | 101 ++++++
 include/dt-bindings/memory/tegra234-mc.h      |  20 ++
 .../dt-bindings/power/tegra234-powergate.h    |   1 +
 include/dt-bindings/reset/tegra234-reset.h    |   8 +
 12 files changed, 834 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/nvidia,tegra234-mgbe.yaml
 create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c


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