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Diffstat (limited to 'Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml')
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diff --git a/Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml b/Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml new file mode 100644 index 000000000000..17016184143f --- /dev/null +++ b/Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml @@ -0,0 +1,110 @@ +# 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 <Frank.Li@nxp.com> + +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 + 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: + 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 <dt-bindings/interrupt-controller/irq.h> + + 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>; + }; + }; |