Following the addition of the Alpine MSIX driver, this patch adds the corresponding bindings documentation.
Signed-off-by: Antoine Tenart <[email protected]> Signed-off-by: Tsahee Zidenberg <[email protected]> --- .../interrupt-controller/al,alpine-msix.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/al,alpine-msix.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/al,alpine-msix.txt b/Documentation/devicetree/bindings/interrupt-controller/al,alpine-msix.txt new file mode 100644 index 000000000000..c7d3d0192f5d --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/al,alpine-msix.txt @@ -0,0 +1,24 @@ +Alpine MSIX controller + +Required properties: + +- compatible: should be "al,alpine-msix" +- reg: physical base address and size of the registers +- interrupt-parent: specifies the parent interrupt controller. +- interrupt-controller: identifies the node as an interrupt controller +- msi-controller: identifies the node as an PCI Message Signaled Interrupt + controller +- al,msi-base-spi: SPI base of the MSI frame +- al,msi-num-spis: number of SPIs assigned to the MSI frame + +Example: + +msix: msix { + compatible = "al,alpine-msix"; + reg = <0x0 0xfbe00000 0x0 0x100000>; + interrupt-parent = <&gic>; + interrupt-controller; + msi-controller; + al,msi-base-spi = <160>; + al,msi-num-spis = <160>; +}; -- 2.7.0
