Hi Mark, This Renesas R-Car Gen3 RPC SPI driver is based on Boris's new spi-mem direct mapping read/write mode [1][2] and v2 patch is from Marek and Geert's comments including RPC clock control, run time PM, RPC module software reset, regmap and so on. thanks for your review. best regards, Mason [1] https://patchwork.kernel.org/patch/10670753 [2] https://patchwork.kernel.org/patch/10670747 Mason Yang (2): spi: Add Renesas R-Car Gen3 RPC SPI controller driver dt-binding: spi: Document Renesas R-Car Gen3 RPC controller bindings .../devicetree/bindings/spi/spi-renesas-rpc.txt | 35 + drivers/spi/Kconfig | 6 + drivers/spi/Makefile | 1 + drivers/spi/spi-renesas-rpc.c | 808 +++++++++++++++++++++ 4 files changed, 850 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt create mode 100644 drivers/spi/spi-renesas-rpc.c -- 1.9.1