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SubjectRe: [PATCH 0/4]Add afi config drivers support
On 2022-08-24 at 09:25:38 +0530, Nava kishore Manne wrote:
> Xilinx SoC platforms (Zynq and ZynqMP) connect the PS to the programmable

Could you help explain what is PS?

Thanks,
Yiljn

> logic (PL) through the AXI port.This AXI port helps to establish the data
> path between the PS and PL. In-order to establish the proper communication
> data path between PS and PL the AXI port data path should be configured
> with the proper Bus-width values and it will also handle the PS-PL reset
> signals to reset the PL domain.
>
> This patch series adds afi config drivers support to handle the PS-PL
> resets and AXI port bus-width configurations.
>
> Nava kishore Manne (4):
> firmware: xilinx: Add afi ioctl support
> bindings: fpga: Add binding doc for the zynqmp afi config driver
> bindings: firmware: Update binding doc for the zynqmp afi config node
> fpga: zynqmp: Add afi config driver
>
> .../firmware/xilinx/xlnx,zynqmp-firmware.yaml | 7 +
> .../bindings/fpga/xlnx,zynqmp-afi-fpga.yaml | 100 +++++++++
> MAINTAINERS | 6 +
> drivers/firmware/xilinx/zynqmp.c | 14 ++
> drivers/fpga/Kconfig | 13 ++
> drivers/fpga/Makefile | 1 +
> drivers/fpga/zynqmp-afi.c | 211 ++++++++++++++++++
> include/linux/firmware/xlnx-zynqmp.h | 36 +++
> 8 files changed, 388 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/fpga/xlnx,zynqmp-afi-fpga.yaml
> create mode 100644 drivers/fpga/zynqmp-afi.c
>
> --
> 2.25.1
>

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