Serge Semin writes: > Hello Lars, > > On Wed, May 13, 2020 at 04:00:21PM +0200, Lars Povlsen wrote: >> This is an add-on series to the main SoC Sparx5 series >> (Message-ID: <20200513125532.24585-1-lars.povlsen@xxxxxxxxxxxxx>). >> >> The series add support for Sparx5 on top of the existing >> ocelot/jaguar2 spi driver. >> >> It spins off the existing support for the MSCC platforms into a >> separate driver, as adding new platforms from the MSCC/Microchip >> product lines will further complicate (clutter) the original driver. >> >> New YAML dt-bindings are provided for the resulting driver. >> >> It is expected that the DT patches are to be taken directly by the arm-soc >> maintainers. > > Regarding our cooperation. It can be implemented as follows. Since your patchset > is less cumbersome than mine and is more ready to be integrated into the generic DW > APB SSI code, it would be better to first make it through Mark', Andy' and my reviews > to be further merged into the kernel version of the driver. After that I'll have > my code altered so it could be applied on top of your patches. When everything > is done we'll have a more comprehensive DW APB SSI driver with poll-based > PIO operations support, new features like rx-delay, etc. > Hi Serge! I think I would be able to work on the SPI patches this week. Should I base it on the current spi-next or 5.7? Then address the comments and send out a new revision? Thanks for reaching out. ---Lars > Thank you one more time for the series you've shared with us. Let's see what can > be done to improve it... > > -Sergey > >> >> Lars Povlsen (10): >> spi: dw: Add support for polled operation via no IRQ specified in DT >> spi: dw: Add support for RX sample delay register >> spi: dw: Add support for client driver memory operations >> dt-bindings: spi: Add bindings for spi-dw-mchp >> spi: spi-dw-mmio: Spin off MSCC platforms into spi-dw-mchp >> dt-bindings: spi: spi-dw-mchp: Add Sparx5 support >> spi: spi-dw-mchp: Add Sparx5 support >> arm64: dts: sparx5: Add SPI controller >> arm64: dts: sparx5: Add spi-nor support >> arm64: dts: sparx5: Add spi-nand devices >> >> .../bindings/spi/mscc,ocelot-spi.yaml | 89 ++++ >> .../bindings/spi/snps,dw-apb-ssi.txt | 7 +- >> MAINTAINERS | 2 + >> arch/arm64/boot/dts/microchip/sparx5.dtsi | 37 ++ >> .../boot/dts/microchip/sparx5_pcb125.dts | 16 + >> .../boot/dts/microchip/sparx5_pcb134.dts | 22 + >> .../dts/microchip/sparx5_pcb134_board.dtsi | 9 + >> .../boot/dts/microchip/sparx5_pcb135.dts | 23 + >> .../dts/microchip/sparx5_pcb135_board.dtsi | 9 + >> arch/mips/configs/generic/board-ocelot.config | 2 +- >> drivers/spi/Kconfig | 7 + >> drivers/spi/Makefile | 1 + >> drivers/spi/spi-dw-mchp.c | 399 ++++++++++++++++++ >> drivers/spi/spi-dw-mmio.c | 93 ---- >> drivers/spi/spi-dw.c | 31 +- >> drivers/spi/spi-dw.h | 4 + >> 16 files changed, 644 insertions(+), 107 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/spi/mscc,ocelot-spi.yaml >> create mode 100644 drivers/spi/spi-dw-mchp.c >> >> -- >> 2.26.2 >> >> _______________________________________________ >> linux-arm-kernel mailing list >> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- Lars Povlsen, Microchip