| Message ID | 1562010839-1113-2-git-send-email-eajames@linux.ibm.com |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | drivers/soc: Add Aspeed XDMA Engine Driver | expand |
On Mon, 1 Jul 2019 14:53:52 -0500, Eddie James wrote: > Document the bindings. > > Reviewed-by: Andrew Jeffrey <andrew@aj.id.au> > Signed-off-by: Eddie James <eajames@linux.ibm.com> > --- > .../devicetree/bindings/soc/aspeed/xdma.txt | 23 ++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/aspeed/xdma.txt > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/soc/aspeed/xdma.txt b/Documentation/devicetree/bindings/soc/aspeed/xdma.txt new file mode 100644 index 0000000..85e82ea --- /dev/null +++ b/Documentation/devicetree/bindings/soc/aspeed/xdma.txt @@ -0,0 +1,23 @@ +* Device tree bindings for the Aspeed XDMA Engine + +The XDMA Engine embedded in the AST2500 SOC can perform automatic DMA +operations over PCI between the AST2500 (acting as a BMC) and a host processor. + +Required properties: + + - compatible "aspeed,ast2500-xdma" + - reg contains the offset and length of the memory region + assigned to the XDMA registers + - resets reset specifier for the syscon reset associated with + the XDMA engine + - interrupts the interrupt associated with the XDMA engine on this + platform + +Example: + + xdma@1e6e7000 { + compatible = "aspeed,ast2500-xdma"; + reg = <0x1e6e7000 0x100>; + resets = <&syscon ASPEED_RESET_XDMA>; + interrupts = <6>; + };