This patchset adds support for DesignWare DWC_ssi. This soft IP is an AMBA version 2.0-compliant AHB slave device. Existing driver already supports the older APB version. Intel Keem Bay SPI controller is using this IP. This patchset is tested on Keem Bay evaluation module board. Changes since v1: - Rework the third patch based on Rob's feedback. Wan Ahmad Zainie (7): spi: dw: Fix typo in few registers name spi: dw: Add update_cr0() callback to update CTRLR0 dt-bindings: spi: dw-apb-ssi: Convert bindings to json-schema dt-bindings: spi: dw-apb-ssi: Add compatible string for DesignWare DWC_ssi spi: dw: Add support for DesignWare DWC_ssi dt-bindings: spi: dw-apb-ssi: Add Intel Keem Bay support spi: dw: Add support for Intel Keem Bay SPI .../bindings/spi/snps,dw-apb-ssi.txt | 41 ------ .../bindings/spi/snps,dw-apb-ssi.yaml | 72 ++++++++++ drivers/spi/spi-dw-mid.c | 4 + drivers/spi/spi-dw-mmio.c | 57 +++++++- drivers/spi/spi-dw.c | 125 +++++++++++++----- drivers/spi/spi-dw.h | 25 +++- 6 files changed, 243 insertions(+), 81 deletions(-) delete mode 100644 Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt create mode 100644 Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml -- 2.17.1