linux-kernel - [PATCH net-next v6 0/4] Add GBETH glue layer driver for Renesas RZ/V2H(P) SoC

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Message-ID: <20250415125642.241427-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Tue, 15 Apr 2025 13:56:38 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: 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>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Richard Cochran <richardcochran@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Jose Abreu <joabreu@...opsys.com>
Cc: netdev@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH net-next v6 0/4] Add GBETH glue layer driver for Renesas RZ/V2H(P) SoC

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Hi All,

This patch series adds support for the GBETH (Gigabit Ethernet) glue layer
driver for the Renesas RZ/V2H(P) SoC. The GBETH IP is integrated with
the Synopsys DesignWare MAC (version 5.20). The changes include updating
the device tree bindings, documenting the GBETH bindings, and adding the
DWMAC glue layer for the Renesas GBETH.

v5->v6
- stmmac_pltfr_find_clk() is now used to find the clocks
- devm_stmmac_pltfr_probe() is now used to probe the platform device
  and dropped remove callback
- Switched to using init/exit callback to configure the clock
  instead of using the clks_config callback
- Dropped pm callback
- Fixed checkpatch warnings
- Added a new patch to update the MAINTAINERS file

v4->v5
- Rebased the changes on net-next

v3->v4
- Fixed maxItems for interrupt-names property
- Maintained reverse christmas tree order in renesas_gbeth_clks_config
- Returned err in case of success in renesas_gbeth_probe()

v2->v3
- Fixed review comments from Rob and Russell

v1->v2
- Updated commit description for patch 2/3
- Updated tx/rx queue completion interrupt names
- Added clks_config callback

v1:
https://lore.kernel.org/all/20250302181808.728734-1-prabhakar.mahadev-lad.rj@bp.renesas.com/

Cheers,
Prabhakar

Lad Prabhakar (4):
  dt-bindings: net: dwmac: Increase 'maxItems' for 'interrupts' and
    'interrupt-names'
  dt-bindings: net: Document support for Renesas RZ/V2H(P) GBETH
  net: stmmac: Add DWMAC glue layer for Renesas GBETH
  MAINTAINERS: Add entry for Renesas RZ/V2H(P) DWMAC GBETH glue layer
    driver

 .../bindings/net/renesas,r9a09g057-gbeth.yaml | 201 ++++++++++++++++++
 .../devicetree/bindings/net/snps,dwmac.yaml   |  25 ++-
 MAINTAINERS                                   |   8 +
 drivers/net/ethernet/stmicro/stmmac/Kconfig   |  11 +
 drivers/net/ethernet/stmicro/stmmac/Makefile  |   1 +
 .../stmicro/stmmac/dwmac-renesas-gbeth.c      | 148 +++++++++++++
 6 files changed, 385 insertions(+), 9 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/net/renesas,r9a09g057-gbeth.yaml
 create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c

-- 
2.49.0