GNU Linux-libre 4.19.264-gnu1
[releases.git] / Documentation / devicetree / bindings / nds32 / cpus.txt
1 * Andestech Processor Binding
2
3 This binding specifies what properties must be available in the device tree
4 representation of a Andestech Processor Core, which is the root node in the
5 tree.
6
7 Required properties:
8
9         - compatible:
10                 Usage: required
11                 Value type: <string>
12                 Definition: Should be "andestech,<core_name>", "andestech,nds32v3" as fallback.
13                 Must contain "andestech,nds32v3" as the most generic value, in addition to
14                 one of the following identifiers for a particular CPU core:
15                 "andestech,n13"
16                 "andestech,n15"
17                 "andestech,d15"
18                 "andestech,n10"
19                 "andestech,d10"
20         - device_type
21                 Usage: required
22                 Value type: <string>
23                 Definition: must be "cpu"
24         - reg: Contains CPU index.
25         - clock-frequency: Contains the clock frequency for CPU, in Hz.
26
27 * Examples
28
29 / {
30         cpus {
31                 cpu@0 {
32                         device_type = "cpu";
33                         compatible = "andestech,n13", "andestech,nds32v3";
34                         reg = <0x0>;
35                         clock-frequency = <60000000>
36                 };
37         };
38 };