From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- .../interrupt-controller/msi-controller.yaml | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml (limited to 'Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml') diff --git a/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml b/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml new file mode 100644 index 0000000000..449d6067ec --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/msi-controller.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/msi-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MSI controller + +maintainers: + - Marc Zyngier + +description: | + An MSI controller signals interrupts to a CPU when a write is made + to an MMIO address by some master. An MSI controller may feature a + number of doorbells. + +properties: + "#msi-cells": + description: | + The number of cells in an msi-specifier, required if not zero. + + Typically this will encode information related to sideband data, + and will not encode doorbells or payloads as these can be + configured dynamically. + + The meaning of the msi-specifier is defined by the device tree + binding of the specific MSI controller. + enum: [0, 1] + + msi-controller: + description: + Identifies the node as an MSI controller. + $ref: /schemas/types.yaml#/definitions/flag + + msi-ranges: + description: + A list of tuples, where "phandle" is the + parent interrupt controller, "intspec" is the starting/base + interrupt specifier and "span" is the size of the + range. Multiple ranges can be provided. + $ref: /schemas/types.yaml#/definitions/phandle-array + +dependencies: + "#msi-cells": [ msi-controller ] + +additionalProperties: true -- cgit v1.2.3