1 Message unit node:
2
3 For SRIO controllers that implement the messag
4 this node is required. For devices with RMAN
5 node is composed of three types of sub-nodes (
6 "fsl-srio-dbell-unit" and "fsl-srio-port-write
7
8 See srio.txt for more details about generic SR
9
10 - compatible
11 Usage: required
12 Value type: <string>
13 Definition: Must include "fsl,srio-rmu
14
15 The version X.Y should match the gener
16 revision register's Major(X) and Minor
17
18 - reg
19 Usage: required
20 Value type: <prop-encoded-array>
21 Definition: A standard property. Spec
22 length of the SRIO configurati
23 and doorbell units.
24
25 - fsl,liodn
26 Usage: optional-but-recommended (for d
27 Value type: <prop-encoded-array>
28 Definition: The logical I/O device num
29 correctly configured for SRIO
30 not exist on devices that do n
31
32 The LIODN value is associated
33 (msg-unit, doorbell, port-writ
34
35 Sub-Nodes for RMU: The RMU node is composed o
36 correspond to the actual sub-controllers in th
37 SoC will detail which and how many of these su
38
39 Message Unit:
40
41 - compatible
42 Usage: required
43 Value type: <string>
44 Definition: Must include "fsl,srio-msg
45
46 The version X.Y should match the gener
47 revision register's Major(X) and Minor
48
49 - reg
50 Usage: required
51 Value type: <prop-encoded-array>
52 Definition: A standard property. Spec
53 length of the SRIO configurati
54 and doorbell units.
55
56 - interrupts
57 Usage: required
58 Value type: <prop_encoded-array>
59 Definition: Specifies the interrupts
60 value of the interrupts proper
61 specifier. The format of the s
62 binding document describing th
63
64 A pair of IRQs are specified i
65 element is associated with the
66 second element is associated w
67
68 Doorbell Unit:
69
70 - compatible
71 Usage: required
72 Value type: <string>
73 Definition: Must include:
74 "fsl,srio-dbell-unit-vX.Y", "f
75
76 The version X.Y should match the gener
77 revision register's Major(X) and Minor
78
79 - reg
80 Usage: required
81 Value type: <prop-encoded-array>
82 Definition: A standard property. Spec
83 length of the SRIO configurati
84 and doorbell units.
85
86 - interrupts
87 Usage: required
88 Value type: <prop_encoded-array>
89 Definition: Specifies the interrupts
90 value of the interrupts proper
91 specifier. The format of the s
92 binding document describing th
93
94 A pair of IRQs are specified i
95 element is associated with the
96 second element is associated w
97
98 Port-Write Unit:
99
100 - compatible
101 Usage: required
102 Value type: <string>
103 Definition: Must include:
104 "fsl,srio-port-write-unit-vX.
105
106 The version X.Y should match the gener
107 revision register's Major(X) and Minor
108
109 - reg
110 Usage: required
111 Value type: <prop-encoded-array>
112 Definition: A standard property. Spec
113 length of the SRIO configurati
114 and doorbell units.
115
116 - interrupts
117 Usage: required
118 Value type: <prop_encoded-array>
119 Definition: Specifies the interrupts
120 value of the interrupts proper
121 specifier. The format of the s
122 binding document describing th
123
124 A single IRQ that handles port
125 specified by this property. (
126
127 Note: All other standard properties (see th
128 are allowed but are optional.
129
130 Example:
131 rmu: rmu@d3000 {
132 compatible = "fsl,srio-rmu";
133 reg = <0xd3000 0x400>;
134 ranges = <0x0 0xd3000 0x400>;
135 fsl,liodn = <0xc8>;
136
137 message-unit@0 {
138 compatible = "fsl,srio
139 reg = <0x0 0x100>;
140 interrupts = <
141 60 2 0 0 /* m
142 61 2 0 0>;/* m
143 };
144 message-unit@100 {
145 compatible = "fsl,srio
146 reg = <0x100 0x100>;
147 interrupts = <
148 62 2 0 0 /* m
149 63 2 0 0>;/* m
150 };
151 doorbell-unit@400 {
152 compatible = "fsl,srio
153 reg = <0x400 0x80>;
154 interrupts = <
155 56 2 0 0 /* b
156 57 2 0 0>;/* b
157 };
158 port-write-unit@4e0 {
159 compatible = "fsl,srio
160 reg = <0x4e0 0x20>;
161 interrupts = <16 2 1 1
162 };
163 };
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