1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/soc/fsl/fsl 4 $id: http://devicetree.org/schemas/soc/fsl/fsl,qman.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: QorIQ DPAA Queue Manager 7 title: QorIQ DPAA Queue Manager
8 8
9 maintainers: 9 maintainers:
10 - Frank Li <Frank.Li@nxp.com> 10 - Frank Li <Frank.Li@nxp.com>
11 11
12 description: 12 description:
13 The Queue Manager is part of the Data-Path A 13 The Queue Manager is part of the Data-Path Acceleration Architecture (DPAA). QMan
14 supports queuing and QoS scheduling of frame 14 supports queuing and QoS scheduling of frames to CPUs, network interfaces and
15 DPAA logic modules, maintains packet orderin 15 DPAA logic modules, maintains packet ordering within flows. Besides providing
16 flow-level queuing, is also responsible for 16 flow-level queuing, is also responsible for congestion management functions such
17 as RED/WRED, congestion notifications and ta 17 as RED/WRED, congestion notifications and tail discards. This binding covers the
18 CCSR space programming model 18 CCSR space programming model
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 oneOf: 22 oneOf:
23 - const: fsl,qman 23 - const: fsl,qman
24 - items: 24 - items:
25 - enum: 25 - enum:
26 - fsl,ls1043a-qman 26 - fsl,ls1043a-qman
27 - fsl,ls1046a-qman 27 - fsl,ls1046a-qman
28 - const: fsl,qman 28 - const: fsl,qman
29 reg: 29 reg:
30 items: 30 items:
31 - description: | 31 - description: |
32 Registers region within the CCSR add 32 Registers region within the CCSR address space
33 33
34 The QMan revision information is loc 34 The QMan revision information is located in the QMAN_IP_REV_1/2
35 registers which are located at offse 35 registers which are located at offsets 0xbf8 and 0xbfc
36 36
37 interrupts: 37 interrupts:
38 items: 38 items:
39 - description: The error interrupt 39 - description: The error interrupt
40 40
41 fsl,qman-portals: 41 fsl,qman-portals:
42 $ref: /schemas/types.yaml#/definitions/pha 42 $ref: /schemas/types.yaml#/definitions/phandle
43 description: ref fsl,qman-port.yaml 43 description: ref fsl,qman-port.yaml
44 44
45 fsl,liodn: 45 fsl,liodn:
46 $ref: /schemas/types.yaml#/definitions/uin 46 $ref: /schemas/types.yaml#/definitions/uint32-array
47 description: 47 description:
48 See pamu.txt, PAMU property used for sta 48 See pamu.txt, PAMU property used for static LIODN assignment
49 49
50 fsl,iommu-parent: 50 fsl,iommu-parent:
51 $ref: /schemas/types.yaml#/definitions/pha 51 $ref: /schemas/types.yaml#/definitions/phandle
52 description: 52 description:
53 See pamu.txt, PAMU property used for dyn 53 See pamu.txt, PAMU property used for dynamic LIODN assignment
54 54
55 clocks: 55 clocks:
56 maxItems: 1 56 maxItems: 1
57 description: 57 description:
58 Reference input clock. Its frequency is 58 Reference input clock. Its frequency is half of the platform clock
59 59
60 memory-region: 60 memory-region:
61 maxItems: 2 61 maxItems: 2
62 description: 62 description:
63 List of phandles referencing the QMan pr 63 List of phandles referencing the QMan private memory nodes (described
64 below). The qman-fqd node must be first 64 below). The qman-fqd node must be first followed by qman-pfdr node.
65 Only used on ARM Devices connected to a 65 Only used on ARM Devices connected to a QMan instance via Direct Connect
66 Portals (DCP) must link to the respectiv 66 Portals (DCP) must link to the respective QMan instance.
67 67
68 fsl,qman: 68 fsl,qman:
69 $ref: /schemas/types.yaml#/definitions/uin 69 $ref: /schemas/types.yaml#/definitions/uint32-array
70 description: 70 description:
71 List of phandle and DCP index pairs, to 71 List of phandle and DCP index pairs, to the QMan instance
72 to which this device is connected via th 72 to which this device is connected via the DCP
73 73
74 required: 74 required:
75 - compatible 75 - compatible
76 - reg 76 - reg
77 - interrupts 77 - interrupts
78 78
79 additionalProperties: false 79 additionalProperties: false
80 80
81 examples: 81 examples:
82 - | 82 - |
83 #include <dt-bindings/interrupt-controller 83 #include <dt-bindings/interrupt-controller/irq.h>
84 84
85 qman: qman@318000 { 85 qman: qman@318000 {
86 compatible = "fsl,qman"; 86 compatible = "fsl,qman";
87 reg = <0x318000 0x1000>; 87 reg = <0x318000 0x1000>;
88 interrupts = <16 IRQ_TYPE_EDGE_FALLING 88 interrupts = <16 IRQ_TYPE_EDGE_FALLING 1 3>;
89 fsl,liodn = <0x16>; 89 fsl,liodn = <0x16>;
90 fsl,qman-portals = <&qportals>; 90 fsl,qman-portals = <&qportals>;
91 memory-region = <&qman_fqd &qman_pfdr> 91 memory-region = <&qman_fqd &qman_pfdr>;
92 clocks = <&platform_pll 1>; 92 clocks = <&platform_pll 1>;
93 }; 93 };
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