This patch enables the Microchip's FPGA QSPI and Polarfire SoC QSPI controller support. Tested spi-nand (W25N01GV) and spi-nor (MT25QL256A) on Microchip's ICICLE kit. tested using both FPGA QSPI and Polarfie SoC QSPI. Naga Sureshkumar Relli (2): spi: dt-binding: add Microchip CoreQSPI compatible spi: microchip-core-qspi: Add support for microchip fpga qspi controllers .../bindings/spi/microchip,mpfs-spi.yaml | 10 +- drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-microchip-core-qspi.c | 604 ++++++++++++++++++ 4 files changed, 621 insertions(+), 3 deletions(-) create mode 100644 drivers/spi/spi-microchip-core-qspi.c -- 2.25.1