64 lines
1.3 KiB
YAML
64 lines
1.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/interrupt-controller/sophgo,sg2042-msi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Sophgo SG2042 MSI Controller
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maintainers:
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- Chen Wang <unicorn_wang@outlook.com>
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description:
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This interrupt controller is in Sophgo SG2042 for transforming interrupts from
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PCIe MSI to PLIC interrupts.
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allOf:
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- $ref: /schemas/interrupt-controller/msi-controller.yaml#
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properties:
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compatible:
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enum:
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- sophgo,sg2042-msi
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- sophgo,sg2044-msi
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reg:
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items:
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- description: clear register
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- description: msi doorbell address
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reg-names:
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items:
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- const: clr
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- const: doorbell
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msi-controller: true
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msi-ranges:
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maxItems: 1
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"#msi-cells":
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const: 0
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required:
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- compatible
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- reg
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- reg-names
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- msi-controller
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- msi-ranges
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- "#msi-cells"
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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msi-controller@30000000 {
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compatible = "sophgo,sg2042-msi";
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reg = <0x30000000 0x4>, <0x30000008 0x4>;
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reg-names = "clr", "doorbell";
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msi-controller;
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#msi-cells = <0>;
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msi-ranges = <&plic 64 IRQ_TYPE_LEVEL_HIGH 32>;
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};
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