113 lines
2.9 KiB
YAML
113 lines
2.9 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/soc/fsl/fsl,qman-portal.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: QorIQ DPAA Queue Manager Portals
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maintainers:
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- Frank Li <Frank.Li@nxp.com>
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description:
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Portals are memory mapped interfaces to QMan that allow low-latency, lock-less
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interaction by software running on processor cores, accelerators and network
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interfaces with the QMan
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properties:
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compatible:
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oneOf:
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- const: fsl,qman-portal
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- items:
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- enum:
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- fsl,ls1043-qman-portal
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- fsl,ls1046-qman-portal
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- fsl,qman-portal-1.2.0
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- const: fsl,qman-portal
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reg:
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items:
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- description: the cache-enabled region of the portal
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- description: the cache-inhibited region of the portal
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interrupts:
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maxItems: 1
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fsl,liodn:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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maxItems: 2
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description: See pamu.txt. Two LIODN(s). DQRR LIODN (DLIODN) and Frame LIODN
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(FLIODN)
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fsl,iommu-parent:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: See pamu.txt.
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fsl,qman-channel-id:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: qman channel id.
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cell-index:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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The hardware index of the channel. This can also be
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determined by dividing any of the channel's 8 work queue
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IDs by 8
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In addition to these properties the qman-portals should have sub-nodes to
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represent the HW devices/portals that are connected to the software portal
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described here
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required:
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- compatible
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- reg
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- interrupts
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additionalProperties: false
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patternProperties:
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'^(fman0|fman1|pme|crypto)+$':
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type: object
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properties:
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fsl,liodn:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description: See pamu.txt, PAMU property used for static LIODN assignment
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fsl,iommu-parent:
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description: See pamu.txt, PAMU property used for dynamic LIODN assignment
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dev-handle:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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The phandle to the particular hardware device that this
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portal is connected to.
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additionalProperties: 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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qman-portal@0 {
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compatible = "fsl,qman-portal-1.2.0", "fsl,qman-portal";
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reg = <0 0x4000>, <0x100000 0x1000>;
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interrupts = <104 IRQ_TYPE_EDGE_FALLING 0 0>;
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fsl,liodn = <1 2>;
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fsl,qman-channel-id = <0>;
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fman0 {
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fsl,liodn = <0x21>;
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dev-handle = <&fman0>;
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};
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fman1 {
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fsl,liodn = <0xa1>;
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dev-handle = <&fman1>;
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};
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crypto {
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fsl,liodn = <0x41 0x66>;
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dev-handle = <&crypto>;
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};
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};
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