netdev - [PATCH v2 0/8] net: stmmac: qcom-ethqos: add support for SCMI power domains

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Message-Id: <20251008-qcom-sa8255p-emac-v2-0-92bc29309fce@linaro.org>
Date: Wed, 08 Oct 2025 10:17:47 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Richard Cochran <richardcochran@...il.com>, 
 Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Vinod Koul <vkoul@...nel.org>, Giuseppe Cavallaro <peppe.cavallaro@...com>, 
 Jose Abreu <joabreu@...opsys.com>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
 linux-stm32@...md-mailman.stormreply.com, 
 linux-arm-kernel@...ts.infradead.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH v2 0/8] net: stmmac: qcom-ethqos: add support for SCMI
 power domains

Add support for the firmware-managed variant of the DesignWare MAC on
the sa8255p platform. This series contains new DT bindings and driver
changes required to support the MAC in the STMMAC driver.

It also reorganizes the ethqos code quite a bit to make the introduction
of power domains into the driver a bit easier on the eye.

The DTS changes will go in separately.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
Changes in v2:
- Fix the power-domains property in DT bindings
- Rework the DT bindings example
- Drop the DTS patch, it will go upstream separately
- Link to v1: https://lore.kernel.org/r/20250910-qcom-sa8255p-emac-v1-0-32a79cf1e668@linaro.org

---
Bartosz Golaszewski (8):
      dt-bindings: net: qcom: document the ethqos device for SCMI-based systems
      net: stmmac: qcom-ethqos: use generic device properties
      net: stmmac: qcom-ethqos: improve typing in devres callback
      net: stmmac: qcom-ethqos: wrap emac driver data in additional structure
      net: stmmac: qcom-ethqos: split power management fields into a separate structure
      net: stmmac: qcom-ethqos: split power management context into a separate struct
      net: stmmac: qcom-ethqos: define a callback for setting the serdes speed
      net: stmmac: qcom-ethqos: add support for sa8255p

 .../devicetree/bindings/net/qcom,ethqos-scmi.yaml  | 101 ++++++
 .../devicetree/bindings/net/snps,dwmac.yaml        |   5 +-
 MAINTAINERS                                        |   1 +
 drivers/net/ethernet/stmicro/stmmac/Kconfig        |   2 +-
 .../ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c    | 345 +++++++++++++++++----
 5 files changed, 389 insertions(+), 65 deletions(-)
---
base-commit: fb6c63cf2231e895e4b0b4f3586cc0729f71f909
change-id: 20250704-qcom-sa8255p-emac-8460235ac512

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>