On Tue, Jul 19, 2022 at 02:23:33PM +0300, Ivan Bornyakov wrote: > Add support to the FPGA manager for programming Lattice ECP5 FPGA over > slave SPI interface with .bit formatted uncompressed bitstream image. I didn't have time to looking into the patches yet, but I have some quick question. Where is the bitstream data writing to? To the FPGA active region or the backup nvmem like flash? After reconfiguration, how to re-enumerate the hardware devices in the newly programmed FPGA region? Thanks, Yilun > > ChangeLog: > v1 -> v2: > * remove "spi" from compatible string > * reword description in dt-bindings doc > * add reference to spi-peripheral-props.yaml in dt-binding doc > * fix DTS example in dt-bindings doc: 4-spaces indentations, no > undersores in node names. > v2 -> v3: > * fix typo "##size-cells" -> "#size-cells" in dt-bindings example > v3 -> v4: > * dt-bindings: reword description > * dt-bindings: revert props order > v4 -> v5: > * dt-bindings: remove trailing dot from title > * dt-bindings: reword description to avoid driver reference > * dt-bindings: add "Reviewed-by: Krzysztof Kozlowski" tag > > Ivan Bornyakov (2): > fpga: ecp5-spi: add Lattice ECP5 FPGA manager > dt-bindings: fpga: add binding doc for ecp5-spi fpga mgr > > .../bindings/fpga/lattice,ecp5-fpga-mgr.yaml | 74 +++++ > drivers/fpga/Kconfig | 7 + > drivers/fpga/Makefile | 1 + > drivers/fpga/ecp5-spi.c | 275 ++++++++++++++++++ > 4 files changed, 357 insertions(+) > create mode 100644 Documentation/devicetree/bindings/fpga/lattice,ecp5-fpga-mgr.yaml > create mode 100644 drivers/fpga/ecp5-spi.c > > -- > 2.37.1 >
