From a13690297ce49262ae44e41b25a954124609eea8 Mon Sep 17 00:00:00 2001 From: Antoine Tenart Date: Fri, 19 Feb 2016 16:22:45 +0100 Subject: [PATCH] Documentation/bindings: Document the Alpine MSIX driver Following the addition of the Alpine MSIX driver, this patch adds the corresponding bindings documentation. Acked-by: Marc Zyngier Signed-off-by: Antoine Tenart Signed-off-by: Tsahee Zidenberg Signed-off-by: Marc Zyngier --- .../interrupt-controller/al,alpine-msix.txt | 26 +++++++++++++++++++ 1 file changed, 26 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..f6f1c14bf99b --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/al,alpine-msix.txt @@ -0,0 +1,26 @@ +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-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, 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>; +}; -- 2.20.1