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Message-Id: <20220628221404.1444200-1-sean.anderson@seco.com>
Date:   Tue, 28 Jun 2022 18:13:29 -0400
From:   Sean Anderson <sean.anderson@...o.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Madalin Bucur <madalin.bucur@....com>, netdev@...r.kernel.org
Cc:     Russell King <linux@...linux.org.uk>,
        Paolo Abeni <pabeni@...hat.com>,
        linux-arm-kernel@...ts.infradead.org,
        Eric Dumazet <edumazet@...gle.com>,
        linux-kernel@...r.kernel.org,
        Sean Anderson <sean.anderson@...o.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Jonathan Corbet <corbet@....net>,
        Kishon Vijay Abraham I <kishon@...com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Li Yang <leoyang.li@....com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-phy@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH net-next v2 00/35] [RFT] net: dpaa: Convert to phylink

This series converts the DPAA driver to phylink. Additionally,
it also adds a serdes driver to allow for dynamic reconfiguration
between 1g and 10g interfaces (such as in an SFP+ slot). These changes
are submitted together for this RFC, but they will eventually be
submitted separately to the appropriate subsystem maintainers.

I have tried to maintain backwards compatibility with existing device
trees whereever possible. However, one area where I was unable to
achieve this was with QSGMII. Please refer to patch 3 for details.

All mac drivers have now been converted. I would greatly appreciate if
anyone has QorIQ boards they can test/debug this series on. I only have an
LS1046ARDB. Everything but QSGMII should work without breakage; QSGMII
needs patch 33.

The serdes driver is mostly functional (but not quite, see patches 5 and
31).  This series only adds support for the LS1046ARDB SerDes, but it
should be fairly straightforward to add support for other SoCs and
boards (see Documentation/driver-api/phy/qoriq.rst). Patches 34 and 25
should show the typical steps.

This patches in this series can be logically categorized as follows:
- 1, 4, 29, 34-35: SerDes support
- 2, 5-25: Cleanups. These can be applied as-is.
- 3, 26-28, 30-33: Phylink conversion

Patches 5-9 were first submitted as [1].

[1] https://lore.kernel.org/netdev/20220531195851.1592220-1-sean.anderson@seco.com/

Changes in v2:
- Add #clock-cells. This will allow using assigned-clocks* to configure
  the PLLs.
- Add CGR update function
- Add helper for sanity checking cgr ops
- Add nodes for QSGMII PCSs
- Add rgmii property to all DPAA MACs
- Adjust queue depth on rate change
- Allow a value of 1 for phy-cells. This allows for compatibility with
  the similar (but according to Ioana Ciornei different enough) lynx-28g
  binding.
- Better document how we select which PCS to use in the default case
- Clear SGMIIaCR1_PCS_EN during probe
- Configure the SerDes in enable/disable
- Convert 10GEC and dTSEC as well
- Convert FMan MAC bindings to yaml
- Disable SerDes by default to prevent breaking boards inadvertently.
- Document phy cells in the description
- Document the structure of the compatible strings
- Fix capitalization of mEMAC in commit messages
- Fix example binding having too many cells in regs
- Fix not clearing group->pll after disabling it
- Fix prototype for dtsec_initialization
- Fix warning if sizeof(void *) != sizeof(resource_size_t)
- Handle 1000Base-KX in lynx_proto_mode_prep
- Move PCS_LYNX dependency to fman Kconfig
- Move compatible first
- Power off lanes during probe
- Properly implement all ethtool ops and ioctls. These were mostly
  stubbed out just enough to compile last time.
- Refer to the device in the documentation, rather than the binding
- Remove minItems
- Remove some unused variables
- Remove unused variable slow_10g_if
- Rename LYNX_PROTO_UNKNOWN to LYNX_PROTO_NONE
- Rename driver to Lynx 10G (etc.)
- Rename to fsl,lynx-10g.yaml
- Restrict valid link modes based on the phy interface. This is easier
  to set up, and mostly captures what I intended to do the first time.
  We now have a custom validate which restricts half-duplex for some SoCs
  for RGMII, but generally just uses the default phylink validate.
- Specify type of mac_dev for exception_cb
- Support 1 and 2 phy-cells
- Use list for clock-names
- Use one phy cell for SerDes1, since no lanes can be grouped

Sean Anderson (35):
  dt-bindings: phy: Add QorIQ SerDes binding
  dt-bindings: net: Convert FMan MAC bindings to yaml
  dt-bindings: net: fman: Add additional interface properties
  [RFC] phy: fsl: Add Lynx 10G SerDes driver
  net: fman: Convert to SPDX identifiers
  net: fman: Don't pass comm_mode to enable/disable
  net: fman: Store en/disable in mac_device instead of mac_priv_s
  net: fman: dtsec: Always gracefully stop/start
  net: fman: Get PCS node in per-mac init
  net: fman: Store initialization function in match data
  net: fman: Move struct dev to mac_device
  net: fman: Configure fixed link in memac_initialization
  net: fman: Export/rename some common functions
  net: fman: memac: Use params instead of priv for max_speed
  net: fman: Move initialization to mac-specific files
  net: fman: Mark mac methods static
  net: fman: Inline several functions into initialization
  net: fman: Remove internal_phy_node from params
  net: fman: Map the base address once
  net: fman: Pass params directly to mac init
  net: fman: Use mac_dev for some params
  net: fman: Specify type of mac_dev for exception_cb
  net: fman: Clean up error handling
  net: fman: Change return type of disable to void
  net: dpaa: Use mac_dev variable in dpaa_netdev_init
  soc: fsl: qbman: Add helper for sanity checking cgr ops
  soc: fsl: qbman: Add CGR update function
  net: dpaa: Adjust queue depth on rate change
  net: fman: memac: Add serdes support
  net: fman: memac: Use lynx pcs driver
  [RFT] net: dpaa: Convert to phylink
  qoriq: Specify which MACs support RGMII
  qoriq: Add nodes for QSGMII PCSs
  arm64: dts: ls1046a: Add serdes bindings
  arm64: dts: ls1046ardb: Add serdes bindings

 .../bindings/net/fsl,fman-dtsec.yaml          |  188 +++
 .../devicetree/bindings/net/fsl-fman.txt      |  133 +-
 .../devicetree/bindings/phy/fsl,lynx-10g.yaml |   93 ++
 Documentation/driver-api/phy/index.rst        |    1 +
 Documentation/driver-api/phy/qoriq.rst        |   93 ++
 MAINTAINERS                                   |    6 +
 .../boot/dts/freescale/fsl-ls1043-post.dtsi   |   28 +
 .../boot/dts/freescale/fsl-ls1046-post.dtsi   |   33 +
 .../boot/dts/freescale/fsl-ls1046a-rdb.dts    |   34 +
 .../arm64/boot/dts/freescale/fsl-ls1046a.dtsi |   16 +
 arch/powerpc/boot/dts/fsl/b4860si-post.dtsi   |    4 +
 arch/powerpc/boot/dts/fsl/b4si-post.dtsi      |    4 +
 .../fsl/qoriq-fman3-0-10g-0-best-effort.dtsi  |    3 +-
 .../boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi     |    9 +-
 .../fsl/qoriq-fman3-0-10g-1-best-effort.dtsi  |    9 +-
 .../boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi     |    9 +-
 .../boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi      |    3 +-
 .../boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi      |    9 +-
 .../boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi      |    9 +-
 .../boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi      |    9 +-
 .../boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi      |    3 +-
 .../boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi      |    9 +-
 .../boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi     |    9 +-
 .../boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi     |    9 +-
 .../boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi      |    3 +-
 .../boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi      |    9 +-
 .../boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi      |    9 +-
 .../boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi      |    9 +-
 .../boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi      |    3 +-
 .../boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi      |    9 +-
 arch/powerpc/boot/dts/fsl/t1023si-post.dtsi   |    4 +
 arch/powerpc/boot/dts/fsl/t1040si-post.dtsi   |    7 +
 arch/powerpc/boot/dts/fsl/t2081si-post.dtsi   |    8 +
 arch/powerpc/boot/dts/fsl/t4240si-post.dtsi   |   16 +
 drivers/net/ethernet/freescale/dpaa/Kconfig   |    4 +-
 .../net/ethernet/freescale/dpaa/dpaa_eth.c    |  132 +-
 .../ethernet/freescale/dpaa/dpaa_eth_sysfs.c  |    2 +-
 .../ethernet/freescale/dpaa/dpaa_ethtool.c    |   90 +-
 drivers/net/ethernet/freescale/fman/Kconfig   |    3 +-
 drivers/net/ethernet/freescale/fman/fman.c    |   31 +-
 drivers/net/ethernet/freescale/fman/fman.h    |   31 +-
 .../net/ethernet/freescale/fman/fman_dtsec.c  |  670 ++++----
 .../net/ethernet/freescale/fman/fman_dtsec.h  |   58 +-
 .../net/ethernet/freescale/fman/fman_keygen.c |   29 +-
 .../net/ethernet/freescale/fman/fman_keygen.h |   29 +-
 .../net/ethernet/freescale/fman/fman_mac.h    |   34 +-
 .../net/ethernet/freescale/fman/fman_memac.c  |  877 +++++-----
 .../net/ethernet/freescale/fman/fman_memac.h  |   57 +-
 .../net/ethernet/freescale/fman/fman_muram.c  |   31 +-
 .../net/ethernet/freescale/fman/fman_muram.h  |   32 +-
 .../net/ethernet/freescale/fman/fman_port.c   |   29 +-
 .../net/ethernet/freescale/fman/fman_port.h   |   29 +-
 drivers/net/ethernet/freescale/fman/fman_sp.c |   29 +-
 drivers/net/ethernet/freescale/fman/fman_sp.h |   28 +-
 .../net/ethernet/freescale/fman/fman_tgec.c   |  274 ++-
 .../net/ethernet/freescale/fman/fman_tgec.h   |   54 +-
 drivers/net/ethernet/freescale/fman/mac.c     |  653 +-------
 drivers/net/ethernet/freescale/fman/mac.h     |   66 +-
 drivers/phy/freescale/Kconfig                 |   20 +
 drivers/phy/freescale/Makefile                |    1 +
 drivers/phy/freescale/phy-fsl-lynx-10g.c      | 1483 +++++++++++++++++
 drivers/soc/fsl/qbman/qman.c                  |   76 +-
 include/soc/fsl/qman.h                        |    9 +
 63 files changed, 3330 insertions(+), 2331 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/net/fsl,fman-dtsec.yaml
 create mode 100644 Documentation/devicetree/bindings/phy/fsl,lynx-10g.yaml
 create mode 100644 Documentation/driver-api/phy/qoriq.rst
 create mode 100644 drivers/phy/freescale/phy-fsl-lynx-10g.c

-- 
2.35.1.1320.gc452695387.dirty

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