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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-26 11:03:17 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-26 11:03:17 -0700 |
commit | 8e3a3249502d8ff92d73d827fb41dd44c5a16f76 (patch) | |
tree | 033e620f253013f37426c51fdb1699e65dc9770d /Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt | |
parent | 90035c28f17d59be660b9992757d09853ab203ec (diff) | |
parent | e2cb6b891ad2b8caa9131e3be70f45243df82a80 (diff) | |
download | linux-8e3a3249502d8ff92d73d827fb41dd44c5a16f76.tar.bz2 |
Merge tag 'char-misc-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of various smaller driver subsystem updates for
5.13-rc1.
Major bits in here are:
- habanalabs driver updates
- hwtracing driver updates
- interconnect driver updates
- mhi driver updates
- extcon driver updates
- fpga driver updates
- new binder features added
- nvmem driver updates
- phy driver updates
- soundwire driver updates
- smaller misc and char driver fixes and updates.
- bluetooth driver bugfix that maintainer wanted to go through this
tree.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (330 commits)
bluetooth: eliminate the potential race condition when removing the HCI controller
coresight: etm-perf: Fix define build issue when built as module
phy: Revert "phy: ti: j721e-wiz: add missing of_node_put"
phy: ti: j721e-wiz: Add missing include linux/slab.h
phy: phy-twl4030-usb: Fix possible use-after-free in twl4030_usb_remove()
stm class: Use correct UUID APIs
intel_th: pci: Add Alder Lake-M support
intel_th: pci: Add Rocket Lake CPU support
intel_th: Consistency and off-by-one fix
intel_th: Constify attribute_group structs
intel_th: Constify all drvdata references
stm class: Remove an unused function
habanalabs/gaudi: Fix uninitialized return code rc when read size is zero
greybus: es2: fix kernel-doc warnings
mei: me: add Alder Lake P device id.
dw-xdata-pcie: Update outdated info and improve text format
dw-xdata-pcie: Fix documentation build warns
fbdev: zero-fill colormap in fbcmap.c
firmware: qcom-scm: Fix QCOM_SCM configuration
speakup: i18n: Switch to kmemdup_nul() in spk_msg_set()
...
Diffstat (limited to 'Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt')
-rw-r--r-- | Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt index 4284d293fa61..0acdfa6d62a4 100644 --- a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt +++ b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt @@ -7,13 +7,24 @@ changes from passing through the bridge. The controller can also couple / enable the bridges which allows traffic to pass through the bridge normally. +Xilinx LogiCORE Dynamic Function eXchange(DFX) AXI shutdown manager +Softcore is compatible with the Xilinx LogiCORE pr-decoupler. + +The Dynamic Function eXchange AXI shutdown manager prevents AXI traffic +from passing through the bridge. The controller safely handles AXI4MM +and AXI4-Lite interfaces on a Reconfigurable Partition when it is +undergoing dynamic reconfiguration, preventing the system deadlock +that can occur if AXI transactions are interrupted by DFX + The Driver supports only MMIO handling. A PR region can have multiple PR Decouplers which can be handled independently or chained via decouple/ decouple_status signals. Required properties: - compatible : Should contain "xlnx,pr-decoupler-1.00" followed by - "xlnx,pr-decoupler" + "xlnx,pr-decoupler" or + "xlnx,dfx-axi-shutdown-manager-1.00" followed by + "xlnx,dfx-axi-shutdown-manager" - regs : base address and size for decoupler module - clocks : input clock to IP - clock-names : should contain "aclk" @@ -22,6 +33,7 @@ See Documentation/devicetree/bindings/fpga/fpga-region.txt and Documentation/devicetree/bindings/fpga/fpga-bridge.txt for generic bindings. Example: +Partial Reconfig Decoupler: fpga-bridge@100000450 { compatible = "xlnx,pr-decoupler-1.00", "xlnx-pr-decoupler"; @@ -30,3 +42,13 @@ Example: clock-names = "aclk"; bridge-enable = <0>; }; + +Dynamic Function eXchange AXI shutdown manager: + fpga-bridge@100000450 { + compatible = "xlnx,dfx-axi-shutdown-manager-1.00", + "xlnx,dfx-axi-shutdown-manager"; + regs = <0x10000045 0x10>; + clocks = <&clkc 15>; + clock-names = "aclk"; + bridge-enable = <0>; + }; |