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Signed-off-by: Stanimir Varbanov --- .../brcm,bcm2712-msix.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2712-msix.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2712-msix.yaml b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2712-msix.yaml new file mode 100644 index 000000000000..2b53dfa7c25e --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2712-msix.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/brcm,bcm2712-msix.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom bcm2712 MSI-X Interrupt Peripheral support + +maintainers: + - Stanimir Varbanov + +description: > + This interrupt controller is used to provide interrupt vectors to the + generic interrupt controller (GIC) on bcm2712. It will be used as + external MSI-X controller for PCIe root complex. + +allOf: + - $ref: /schemas/interrupt-controller/msi-controller.yaml# + +properties: + compatible: + const: brcm,bcm2712-mip + + reg: + items: + - description: base registers address + - description: pcie message address + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + msi-controller: true + + "#msi-cells": + enum: [0] + + msi-ranges: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupt-controller + - "#interrupt-cells" + - msi-controller + - msi-ranges + +examples: + - | + #include + + axi { + #address-cells = <2>; + #size-cells = <2>; + + msi-controller@1000130000 { + compatible = "brcm,bcm2712-mip"; + reg = <0x10 0x00130000 0x00 0xc0>, + <0xff 0xfffff000 0x00 0x1000>; + msi-controller; + #msi-cells = <0>; + interrupt-controller; + #interrupt-cells = <2>; + msi-ranges = <&gicv2 GIC_SPI 128 IRQ_TYPE_EDGE_RISING 64>; + }; + };