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Date: Thu, 21 Jul 2022 14:26:24 +0000
From: Camelia Alexandra Groza <camelia.groza@....com>
To: Sean Anderson <sean.anderson@...o.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Madalin Bucur <madalin.bucur@....com>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC: Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Russell King <linux@...linux.org.uk>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Sean Anderson <sean.anderson@...o.com>,
Alexandru Marginean <alexandru.marginean@....com>,
Andrew Lunn <andrew@...n.ch>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Heiner Kallweit <hkallweit1@...il.com>,
Ioana Ciornei <ioana.ciornei@....com>,
Jonathan Corbet <corbet@....net>,
Kishon Vijay Abraham I <kishon@...com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Leo Li <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>,
Vladimir Oltean <olteanv@...il.com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
"linux-phy@...ts.infradead.org" <linux-phy@...ts.infradead.org>,
"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: RE: [PATCH net-next v3 00/47] [RFT] net: dpaa: Convert to phylink
> -----Original Message-----
> From: Sean Anderson <sean.anderson@...o.com>
> Sent: Saturday, July 16, 2022 0:59
> To: David S . Miller <davem@...emloft.net>; Jakub Kicinski
> <kuba@...nel.org>; Madalin Bucur <madalin.bucur@....com>;
> netdev@...r.kernel.org
> Cc: Paolo Abeni <pabeni@...hat.com>; Eric Dumazet
> <edumazet@...gle.com>; linux-arm-kernel@...ts.infradead.org; Russell
> King <linux@...linux.org.uk>; linux-kernel@...r.kernel.org; Sean Anderson
> <sean.anderson@...o.com>; Alexandru Marginean
> <alexandru.marginean@....com>; Andrew Lunn <andrew@...n.ch>;
> Benjamin Herrenschmidt <benh@...nel.crashing.org>; Heiner Kallweit
> <hkallweit1@...il.com>; Ioana Ciornei <ioana.ciornei@....com>; Jonathan
> Corbet <corbet@....net>; Kishon Vijay Abraham I <kishon@...com>;
> Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>; Leo Li
> <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>;
> Vladimir Oltean <olteanv@...il.com>; devicetree@...r.kernel.org; linux-
> doc@...r.kernel.org; linux-phy@...ts.infradead.org; linuxppc-
> dev@...ts.ozlabs.org
> Subject: [PATCH net-next v3 00/47] [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 RFT, 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 4 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 patches 42 and 43.
>
> The serdes driver is mostly functional (except for XFI). This series
> only adds support for the LS1046ARDB SerDes (and untested LS1088ARDB),
> but it should be fairly straightforward to add support for other SoCs
> and boards (see Documentation/driver-api/phy/qoriq.rst).
>
> This is the last spin of this series with all patches included. After next
> week (depending on feedback) I will resend the patches broken up as
> follows:
> - 5: 1000BASE-KX support
> - 1, 6, 44, 45: Lynx 10G support
> - 7-10, 12-14: Phy rate adaptation support
> - 2-4, 15-43, 46, 47: DPAA phylink conversion
Please also send patches 15-38 separately from the DPAA1 SerDes and phylink set for easier review
> Patches 15-19 were first submitted as [1].
>
> [1] https://lore.kernel.org/netdev/20220531195851.1592220-1-sean.anderson@seco.com/
>
> Changes in v3:
> - Manually expand yaml references
> - Add mode configuration to device tree
> - Expand pcs-handle to an array
> - Incorperate some minor changes into the first FMan binding commit
> - Add vendor prefix 'fsl,' to rgmii and mii properties.
> - Set maxItems for pcs-names
> - Remove phy-* properties from example because dt-schema complains and
> I
> can't be bothered to figure out how to make it work.
> - Add pcs-handle as a preferred version of pcsphy-handle
> - Deprecate pcsphy-handle
> - Remove mii/rmii properties
> - Add 1000BASE-KX interface mode
> - Rename remaining references to QorIQ SerDes to Lynx 10G
> - Fix PLL enable sequence by waiting for our reset request to be cleared
> before continuing. Do the same for the lock, even though it isn't as
> critical. Because we will delay for 1.5ms on average, use prepare
> instead of enable so we can sleep.
> - Document the status of each protocol
> - Fix offset of several bitfields in RECR0
> - Take into account PLLRST_B, SDRST_B, and SDEN when considering whether
> a PLL is "enabled."
> - Only power off unused lanes.
> - Split mode lane mask into first/last lane (like group)
> - Read modes from device tree
> - Use caps to determine whether KX/KR are supported
> - Move modes to lynx_priv
> - Ensure that the protocol controller is not already in-use when we try
> to configure a new mode. This should only occur if the device tree is
> misconfigured (e.g. when QSGMII is selected on two lanes but there is
> only one QSGMII controller).
> - Split PLL drivers off into their own file
> - Add clock for "ext_dly" instead of writing the bit directly (and
> racing with any clock code).
> - Use kasprintf instead of open-coding the snprintf dance
> - Support 1000BASE-KX in lynx_lookup_proto. This still requires PCS
> support, so nothing is truly "enabled" yet.
> - Add support for phy rate adaptation
> - Support differing link speeds and interface speeds
> - Adjust advertisement based on rate adaptation
> - Adjust link settings based on rate adaptation
> - Add support for CRS-based rate adaptation
> - Add support for AQR115
> - Add some additional phy interfaces
> - Add support for aquantia rate adaptation
> - Put the PCS mdiodev only after we are done with it (since the PCS
> does not perform a get itself).
> - Remove _return label from memac_initialization in favor of returning
> directly
> - Fix grabbing the default PCS not checking for -ENODATA from
> of_property_match_string
> - Set DTSEC_ECNTRL_R100M in dtsec_link_up instead of dtsec_mac_config
> - Remove rmii/mii properties
> - Replace 1000Base... with 1000BASE... to match IEEE capitalization
> - Add compatibles for QSGMII PCSs
> - Split arm and powerpcs dts updates
> - Describe modes in device tree
> - ls1088a: Add serdes bindings
>
> Changes in v2:
> - Rename to fsl,lynx-10g.yaml
> - Refer to the device in the documentation, rather than the binding
> - Move compatible first
> - Document phy cells in the description
> - 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.
> - Remove minItems
> - Use list for clock-names
> - Fix example binding having too many cells in regs
> - Add #clock-cells. This will allow using assigned-clocks* to configure
> the PLLs.
> - Document the structure of the compatible strings
> - Convert FMan MAC bindings to yaml
> - Better document how we select which PCS to use in the default case
> - Rename driver to Lynx 10G (etc.)
> - Fix not clearing group->pll after disabling it
> - Support 1 and 2 phy-cells
> - Power off lanes during probe
> - Clear SGMIIaCR1_PCS_EN during probe
> - Rename LYNX_PROTO_UNKNOWN to LYNX_PROTO_NONE
> - Handle 1000BASE-KX in lynx_proto_mode_prep
> - Remove some unused variables
> - Fix prototype for dtsec_initialization
> - Fix warning if sizeof(void *) != sizeof(resource_size_t)
> - Specify type of mac_dev for exception_cb
> - Add helper for sanity checking cgr ops
> - Add CGR update function
> - Adjust queue depth on rate change
> - Move PCS_LYNX dependency to fman Kconfig
> - Remove unused variable slow_10g_if
> - 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.
> - Configure the SerDes in enable/disable
> - Properly implement all ethtool ops and ioctls. These were mostly
> stubbed out just enough to compile last time.
> - Convert 10GEC and dTSEC as well
> - Fix capitalization of mEMAC in commit messages
> - Add nodes for QSGMII PCSs
> - Add nodes for QSGMII PCSs
> - Use one phy cell for SerDes1, since no lanes can be grouped
> - Disable SerDes by default to prevent breaking boards inadvertently.
>
> Sean Anderson (47):
> dt-bindings: phy: Add Lynx 10G phy binding
> dt-bindings: net: Expand pcs-handle to an array
> dt-bindings: net: Convert FMan MAC bindings to yaml
> dt-bindings: net: fman: Add additional interface properties
> net: phy: Add 1000BASE-KX interface mode
> [RFT] phy: fsl: Add Lynx 10G SerDes driver
> net: phy: Add support for rate adaptation
> net: phylink: Support differing link speeds and interface speeds
> net: phylink: Adjust advertisement based on rate adaptation
> net: phylink: Adjust link settings based on rate adaptation
> [RFC] net: phylink: Add support for CRS-based rate adaptation
> net: phy: aquantia: Add support for AQR115
> net: phy: aquantia: Add some additional phy interfaces
> net: phy: aquantia: Add support for rate adaptation
> 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
> powerpc: dts: qoriq: Add nodes for QSGMII PCSs
> arm64: dts: layerscape: Add nodes for QSGMII PCSs
> arm64: dts: ls1046a: Add serdes bindings
> arm64: dts: ls1088a: Add serdes bindings
> arm64: dts: ls1046ardb: Add serdes bindings
> [WIP] arm64: dts: ls1088ardb: Add serdes bindings
>
> .../bindings/net/dsa/renesas,rzn1-a5psw.yaml | 1 +
> .../bindings/net/ethernet-controller.yaml | 10 +-
> .../bindings/net/fsl,fman-dtsec.yaml | 172 +++
> .../bindings/net/fsl,qoriq-mc-dpmac.yaml | 2 +-
> .../devicetree/bindings/net/fsl-fman.txt | 133 +-
> .../devicetree/bindings/phy/fsl,lynx-10g.yaml | 311 ++++
> Documentation/driver-api/phy/index.rst | 1 +
> Documentation/driver-api/phy/lynx_10g.rst | 73 +
> MAINTAINERS | 6 +
> .../boot/dts/freescale/fsl-ls1043-post.dtsi | 24 +
> .../boot/dts/freescale/fsl-ls1046-post.dtsi | 25 +
> .../boot/dts/freescale/fsl-ls1046a-rdb.dts | 34 +
> .../arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 179 +++
> .../boot/dts/freescale/fsl-ls1088a-rdb.dts | 87 ++
> .../arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 96 ++
> .../fsl/qoriq-fman3-0-10g-0-best-effort.dtsi | 3 +-
> .../boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi | 10 +-
> .../fsl/qoriq-fman3-0-10g-1-best-effort.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi | 3 +-
> .../boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi | 3 +-
> .../boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi | 3 +-
> .../boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi | 10 +-
> .../boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi | 3 +-
> .../boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi | 10 +-
> 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 | 4 +-
> drivers/net/ethernet/freescale/fman/fman.c | 31 +-
> drivers/net/ethernet/freescale/fman/fman.h | 31 +-
> .../net/ethernet/freescale/fman/fman_dtsec.c | 674 ++++-----
> .../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 | 864 +++++------
> .../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/net/phy/aquantia_main.c | 86 +-
> drivers/net/phy/phy.c | 21 +
> drivers/net/phy/phylink.c | 161 +-
> drivers/phy/freescale/Kconfig | 20 +
> drivers/phy/freescale/Makefile | 3 +
> drivers/phy/freescale/lynx-10g.h | 36 +
> drivers/phy/freescale/phy-fsl-lynx-10g-clk.c | 438 ++++++
> drivers/phy/freescale/phy-fsl-lynx-10g.c | 1297 +++++++++++++++++
> drivers/soc/fsl/qbman/qman.c | 76 +-
> include/linux/phy.h | 42 +
> include/linux/phylink.h | 12 +-
> include/soc/fsl/qman.h | 9 +
> 69 files changed, 4408 insertions(+), 2356 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/lynx_10g.rst
> create mode 100644 drivers/phy/freescale/lynx-10g.h
> create mode 100644 drivers/phy/freescale/phy-fsl-lynx-10g-clk.c
> create mode 100644 drivers/phy/freescale/phy-fsl-lynx-10g.c
>
> --
> 2.35.1.1320.gc452695387.dirty
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