Hi Mark, This Renesas R-Car D3 RPC SPI driver is based on Boris's new spi-mem direct mapping read/write mode[1][2] and test on R-Car D3 Draak board.
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 RPC SPI controller driver dt-binding: spi: Document Renesas R-Car RPC controller bindings .../devicetree/bindings/spi/spi-renesas-rpc.txt | 33 + drivers/spi/Kconfig | 6 + drivers/spi/Makefile | 1 + drivers/spi/spi-renesas-rpc.c | 750 +++++++++++++++++++++ 4 files changed, 790 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt create mode 100644 drivers/spi/spi-renesas-rpc.c -- 1.9.1
