Hi again, On Mon, Jul 30, 2018 at 02:43:45PM +0200, Quentin Schulz wrote: > The Ocelot switch has currently a hardcoded SerDes muxing that suits only > a particular use case. Any other board setup will fail to work. > > To prepare for upcoming boards' support that do not have the same muxing, > create a PHY driver that will handle all possible cases. > > A SerDes can work in SGMII, QSGMII or PCIe and is also muxed to use a > given port depending on the selected mode or board design. > > The SerDes configuration is in the middle of an address space (HSIO) that > is used to configure some parts in the MAC controller driver, that is why > we need to use a syscon so that we can write to the same address space from > different drivers safely using regmap. > > Patches from generic PHY and net should be safe to be merged separately. > > I suggest patches 1 to 5 and 10 go through net while the others (6 to 9) > go through the generic PHY subsystem. > Actually more like the following: 1 and 8 through MIPS tree, 2 to 5 and 10 through net, 6, 7 and 9 through PHY. Quentin > Thanks, > Quentin > > Quentin Schulz (10): > MIPS: mscc: ocelot: make HSIO registers address range a syscon > dt-bindings: net: ocelot: remove hsio from the list of register address spaces > net: mscc: ocelot: get HSIO regmap from syscon > net: mscc: ocelot: move the HSIO header to include/soc > net: mscc: ocelot: simplify register access for PLL5 configuration > phy: add QSGMII and PCIE modes > dt-bindings: phy: add DT binding for Microsemi Ocelot SerDes muxing > MIPS: mscc: ocelot: add SerDes mux DT node > phy: add driver for Microsemi Ocelot SerDes muxing > net: mscc: ocelot: make use of SerDes PHYs for handling their configuration > > Documentation/devicetree/bindings/mips/mscc.txt | 16 +- > Documentation/devicetree/bindings/net/mscc-ocelot.txt | 9 +- > Documentation/devicetree/bindings/phy/phy-ocelot-serdes.txt | 42 +- > arch/mips/boot/dts/mscc/ocelot.dtsi | 19 +- > drivers/net/ethernet/mscc/Kconfig | 2 +- > drivers/net/ethernet/mscc/ocelot.c | 16 +- > drivers/net/ethernet/mscc/ocelot.h | 79 +- > drivers/net/ethernet/mscc/ocelot_board.c | 54 +- > drivers/net/ethernet/mscc/ocelot_hsio.h | 785 +------ > drivers/net/ethernet/mscc/ocelot_regs.c | 93 +- > drivers/phy/Kconfig | 1 +- > drivers/phy/Makefile | 1 +- > drivers/phy/mscc/Kconfig | 11 +- > drivers/phy/mscc/Makefile | 5 +- > drivers/phy/mscc/phy-ocelot-serdes.c | 314 +++- > include/linux/phy/phy.h | 2 +- > include/soc/mscc/ocelot_hsio.h | 859 +++++++- > 17 files changed, 1343 insertions(+), 965 deletions(-) > create mode 100644 Documentation/devicetree/bindings/phy/phy-ocelot-serdes.txt > delete mode 100644 drivers/net/ethernet/mscc/ocelot_hsio.h > create mode 100644 drivers/phy/mscc/Kconfig > create mode 100644 drivers/phy/mscc/Makefile > create mode 100644 drivers/phy/mscc/phy-ocelot-serdes.c > create mode 100644 include/soc/mscc/ocelot_hsio.h > > base-commit: d6e74c71c4de5222f147b64bf747e8a3c523c690 > -- > git-series 0.9.1
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