From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../interrupt-controller/al,alpine-msix.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/al,alpine-msix.txt (limited to '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 000000000..5669764f9 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/al,alpine-msix.txt @@ -0,0 +1,25 @@ +Alpine MSIX controller + +See arm,gic-v3.txt for SPI and MSI definitions. + +Required properties: + +- compatible: should be "al,alpine-msix" +- reg: physical base address and size of the registers +- 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, relative to SPI0 + +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>; +}; -- cgit v1.2.3