1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2021 Linaro Ltd. 2 # Copyright 2021 Linaro Ltd.
3 %YAML 1.2 3 %YAML 1.2
4 --- 4 ---
5 $id: http://devicetree.org/schemas/net/intel,i 5 $id: http://devicetree.org/schemas/net/intel,ixp4xx-hss.yaml#
6 $schema: http://devicetree.org/meta-schemas/co 6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 7
8 title: Intel IXP4xx V.35 WAN High Speed Serial 8 title: Intel IXP4xx V.35 WAN High Speed Serial Link (HSS)
9 9
10 maintainers: 10 maintainers:
11 - Linus Walleij <linus.walleij@linaro.org> 11 - Linus Walleij <linus.walleij@linaro.org>
12 12
13 description: | 13 description: |
14 The Intel IXP4xx HSS makes use of the IXP4xx 14 The Intel IXP4xx HSS makes use of the IXP4xx NPE (Network
15 Processing Engine) and the IXP4xx Queue Mana 15 Processing Engine) and the IXP4xx Queue Manager to process
16 V.35 Wideband Modem (WAN) links. 16 V.35 Wideband Modem (WAN) links.
17 17
18 properties: 18 properties:
19 compatible: 19 compatible:
20 const: intel,ixp4xx-hss 20 const: intel,ixp4xx-hss
21 21
22 reg: 22 reg:
23 maxItems: 1 23 maxItems: 1
24 description: The HSS instance 24 description: The HSS instance
25 25
26 intel,npe-handle: 26 intel,npe-handle:
27 $ref: /schemas/types.yaml#/definitions/pha 27 $ref: /schemas/types.yaml#/definitions/phandle-array
28 items: 28 items:
29 items: 29 items:
30 - description: phandle to the NPE this 30 - description: phandle to the NPE this HSS instance is using
31 - description: the NPE instance number 31 - description: the NPE instance number
32 description: phandle to the NPE this HSS i 32 description: phandle to the NPE this HSS instance is using
33 and the instance to use in the second ce 33 and the instance to use in the second cell
34 34
35 intel,queue-chl-rxtrig: 35 intel,queue-chl-rxtrig:
36 $ref: /schemas/types.yaml#/definitions/pha 36 $ref: /schemas/types.yaml#/definitions/phandle-array
37 items: 37 items:
38 - items: 38 - items:
39 - description: phandle to the RX tri 39 - description: phandle to the RX trigger queue on the NPE
40 - description: the queue instance nu 40 - description: the queue instance number
41 description: phandle to the RX trigger que 41 description: phandle to the RX trigger queue on the NPE
42 42
43 intel,queue-chl-txready: 43 intel,queue-chl-txready:
44 $ref: /schemas/types.yaml#/definitions/pha 44 $ref: /schemas/types.yaml#/definitions/phandle-array
45 items: 45 items:
46 - items: 46 - items:
47 - description: phandle to the TX rea 47 - description: phandle to the TX ready queue on the NPE
48 - description: the queue instance nu 48 - description: the queue instance number
49 description: phandle to the TX ready queue 49 description: phandle to the TX ready queue on the NPE
50 50
51 intel,queue-pkt-rx: 51 intel,queue-pkt-rx:
52 $ref: /schemas/types.yaml#/definitions/pha 52 $ref: /schemas/types.yaml#/definitions/phandle-array
53 items: 53 items:
54 - items: 54 - items:
55 - description: phandle to the RX que 55 - description: phandle to the RX queue on the NPE
56 - description: the queue instance nu 56 - description: the queue instance number
57 description: phandle to the packet RX queu 57 description: phandle to the packet RX queue on the NPE
58 58
59 intel,queue-pkt-tx: 59 intel,queue-pkt-tx:
60 $ref: /schemas/types.yaml#/definitions/pha 60 $ref: /schemas/types.yaml#/definitions/phandle-array
61 maxItems: 4 61 maxItems: 4
62 items: 62 items:
63 items: 63 items:
64 - description: phandle to the TX queue 64 - description: phandle to the TX queue on the NPE
65 - description: the queue instance numb 65 - description: the queue instance number
66 description: phandle to the packet TX0, TX 66 description: phandle to the packet TX0, TX1, TX2 and TX3 queues on the NPE
67 67
68 intel,queue-pkt-rxfree: 68 intel,queue-pkt-rxfree:
69 $ref: /schemas/types.yaml#/definitions/pha 69 $ref: /schemas/types.yaml#/definitions/phandle-array
70 maxItems: 4 70 maxItems: 4
71 items: 71 items:
72 items: 72 items:
73 - description: phandle to the RXFREE q 73 - description: phandle to the RXFREE queue on the NPE
74 - description: the queue instance numb 74 - description: the queue instance number
75 description: phandle to the packet RXFREE0 75 description: phandle to the packet RXFREE0, RXFREE1, RXFREE2 and
76 RXFREE3 queues on the NPE 76 RXFREE3 queues on the NPE
77 77
78 intel,queue-pkt-txdone: 78 intel,queue-pkt-txdone:
79 $ref: /schemas/types.yaml#/definitions/pha 79 $ref: /schemas/types.yaml#/definitions/phandle-array
80 items: 80 items:
81 - items: 81 - items:
82 - description: phandle to the TXDONE 82 - description: phandle to the TXDONE queue on the NPE
83 - description: the queue instance nu 83 - description: the queue instance number
84 description: phandle to the packet TXDONE 84 description: phandle to the packet TXDONE queue on the NPE
85 85
86 cts-gpios: 86 cts-gpios:
87 maxItems: 1 87 maxItems: 1
88 description: Clear To Send (CTS) GPIO line 88 description: Clear To Send (CTS) GPIO line
89 89
90 rts-gpios: 90 rts-gpios:
91 maxItems: 1 91 maxItems: 1
92 description: Ready To Send (RTS) GPIO line 92 description: Ready To Send (RTS) GPIO line
93 93
94 dcd-gpios: 94 dcd-gpios:
95 maxItems: 1 95 maxItems: 1
96 description: Data Carrier Detect (DCD) GPI 96 description: Data Carrier Detect (DCD) GPIO line
97 97
98 dtr-gpios: 98 dtr-gpios:
99 maxItems: 1 99 maxItems: 1
100 description: Data Terminal Ready (DTR) GPI 100 description: Data Terminal Ready (DTR) GPIO line
101 101
102 clk-internal-gpios: 102 clk-internal-gpios:
103 maxItems: 1 103 maxItems: 1
104 description: Clock internal GPIO line, dri 104 description: Clock internal GPIO line, driving this high will make the HSS
105 use internal clocking as opposed to exte 105 use internal clocking as opposed to external clocking
106 106
107 required: 107 required:
108 - compatible 108 - compatible
109 - reg 109 - reg
110 - intel,npe-handle 110 - intel,npe-handle
111 - intel,queue-chl-rxtrig 111 - intel,queue-chl-rxtrig
112 - intel,queue-chl-txready 112 - intel,queue-chl-txready
113 - intel,queue-pkt-rx 113 - intel,queue-pkt-rx
114 - intel,queue-pkt-tx 114 - intel,queue-pkt-tx
115 - intel,queue-pkt-rxfree 115 - intel,queue-pkt-rxfree
116 - intel,queue-pkt-txdone 116 - intel,queue-pkt-txdone
117 - cts-gpios 117 - cts-gpios
118 - rts-gpios 118 - rts-gpios
119 - dcd-gpios 119 - dcd-gpios
120 - dtr-gpios 120 - dtr-gpios
121 - clk-internal-gpios 121 - clk-internal-gpios
122 122
123 additionalProperties: false 123 additionalProperties: false
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