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 v3: - DT changes for feature addition is done on snps,dw-apb-ssi.txt. - And then convert the updated snps,dw-apb-ssi.txt to DT schema format. Changes since v2: - Rebased to v5.7-rc4. - Change the order of the patches i.e. dt-bindings patches go last. 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 spi: dw: Add support for DesignWare DWC_ssi dt-bindings: spi: dw-apb-ssi: Add compatible string for DesignWare DWC_ssi spi: dw: Add support for Intel Keem Bay SPI dt-bindings: spi: dw-apb-ssi: Add Intel Keem Bay support dt-bindings: spi: dw-apb-ssi: Convert bindings to json-schema .../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