netdev - [PATCH v2 0/8] treewide: Add R-Car S4-8 Ethernet Switch support

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Date:   Wed, 21 Sep 2022 17:47:37 +0900
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     kishon@...com, vkoul@...nel.org, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        richardcochran@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, geert+renesas@...der.be
Cc:     andrew@...n.ch, linux-phy@...ts.infradead.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Subject: [PATCH v2 0/8] treewide: Add R-Car S4-8 Ethernet Switch support

This patch series is based on next-20220915.
Add minimal support for R-Car S4-8 Etherent Switch. This hardware
supports a lot of features. But, this driver only supports it as
act as an ethernet controller for now.

- patch [1/8] is for CCF.
- patch [2/8] and [3/8] are for Generic PHY.
- patch [4/8] through [6/8] are for Network Ethernet.
- patch [7/8] and [8/8] are for Renesas ARM64 SoC.

Changes from v1:
 https://lore.kernel.org/all/20220909132614.1967276-1-yoshihiro.shimoda.uh@renesas.com/
 - Separate Ethernet SERDES hardware block so that made a Generic PHY driver.
 - Separate PTP support into a patch as patch [6/8].
 - Fix dt-bindings of Ethernet Switch.
 - Remove module parameters from Ethernet Switch driver.
 - Wrote reverse christmas tree about local variables in all the code.
 - Improve error path handlings.
 - Add comment about the current hardware limitation.
 - Add comment about magic numbers about SERDES settings.

Yoshihiro Shimoda (8):
  clk: renesas: r8a779f0: Add Ethernet Switch clocks
  dt-bindings: phy: renesas: Document Renesas Ethernet SERDES
  phy: renesas: Add Renesas Ethernet SERDES driver for R-Car S4-8
  dt-bindings: net: renesas: Document Renesas Ethernet Switch
  net: ethernet: renesas: Add Ethernet Switch driver
  net: ethernet: renesas: rswitch: Add R-Car Gen4 gPTP support
  arm64: dts: renesas: r8a779f0: Add Ethernet Switch and SERDES nodes
  arm64: dts: renesas: r8a779f0: spider: Enable Ethernet Switch and
    SERDES

 .../bindings/net/renesas,etherswitch.yaml     |  286 +++
 .../bindings/phy/renesas,ether-serdes.yaml    |   54 +
 .../dts/renesas/r8a779f0-spider-ethernet.dtsi |   54 +
 arch/arm64/boot/dts/renesas/r8a779f0.dtsi     |  111 +
 drivers/clk/renesas/r8a779f0-cpg-mssr.c       |    2 +
 drivers/net/ethernet/renesas/Kconfig          |   11 +
 drivers/net/ethernet/renesas/Makefile         |    4 +
 drivers/net/ethernet/renesas/rcar_gen4_ptp.c  |  151 ++
 drivers/net/ethernet/renesas/rcar_gen4_ptp.h  |   71 +
 drivers/net/ethernet/renesas/rswitch.c        | 1779 +++++++++++++++++
 drivers/net/ethernet/renesas/rswitch.h        |  967 +++++++++
 drivers/phy/renesas/Kconfig                   |    7 +
 drivers/phy/renesas/Makefile                  |    2 +-
 drivers/phy/renesas/r8a779f0-ether-serdes.c   |  303 +++
 14 files changed, 3801 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/net/renesas,etherswitch.yaml
 create mode 100644 Documentation/devicetree/bindings/phy/renesas,ether-serdes.yaml
 create mode 100644 drivers/net/ethernet/renesas/rcar_gen4_ptp.c
 create mode 100644 drivers/net/ethernet/renesas/rcar_gen4_ptp.h
 create mode 100644 drivers/net/ethernet/renesas/rswitch.c
 create mode 100644 drivers/net/ethernet/renesas/rswitch.h
 create mode 100644 drivers/phy/renesas/r8a779f0-ether-serdes.c

-- 
2.25.1