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