linux-kernel - [PATCH 0/4]Add afi config drivers support

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Message-ID: <20220824035542.706433-1-nava.kishore.manne@amd.com>
Date:   Wed, 24 Aug 2022 09:25:38 +0530
From:   Nava kishore Manne <nava.kishore.manne@....com>
To:     <git@....com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <michal.simek@...inx.com>,
        <nava.kishore.manne@....com>, <mdf@...nel.org>, <hao.wu@...el.com>,
        <yilun.xu@...el.com>, <trix@...hat.com>, <p.zabel@...gutronix.de>,
        <gregkh@...uxfoundation.org>, <ronak.jain@...inx.com>,
        <rajan.vaja@...inx.com>, <abhyuday.godhasara@...inx.com>,
        <piyush.mehta@...inx.com>,
        <lakshmi.sai.krishna.potthuri@...inx.com>,
        <harsha.harsha@...inx.com>, <linus.walleij@...aro.org>,
        <nava.manne@...inx.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-fpga@...r.kernel.org>
Subject: [PATCH 0/4]Add afi config drivers support

Xilinx SoC platforms (Zynq and ZynqMP) connect the PS to the programmable
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