Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / clock / milbeaut-clock.yaml
1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/bindings/clock/milbeaut-clock.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Milbeaut SoCs Clock Controller Binding
8
9 maintainers:
10   - Taichi Sugaya <sugaya.taichi@socionext.com>
11
12 description: |
13   Milbeaut SoCs Clock controller is an integrated clock controller, which
14   generates and supplies to all modules.
15
16   This binding uses common clock bindings
17   [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
18
19 properties:
20   compatible:
21     oneOf:
22       - items:
23           - enum:
24               - socionext,milbeaut-m10v-ccu
25   clocks:
26     maxItems: 1
27     description: external clock
28
29   '#clock-cells':
30     const: 1
31
32 required:
33   - compatible
34   - reg
35   - clocks
36   - '#clock-cells'
37
38 examples:
39   # Clock controller node:
40   - |
41     m10v-clk-ctrl@1d021000 {
42         compatible = "socionext,milbeaut-m10v-clk-ccu";
43         reg = <0x1d021000 0x4000>;
44         #clock-cells = <1>;
45         clocks = <&clki40mhz>;
46     };
47
48   # Required an external clock for Clock controller node:
49   - |
50     clocks {
51         clki40mhz: clki40mhz {
52             compatible = "fixed-clock";
53             #clock-cells = <0>;
54             clock-frequency = <40000000>;
55         };
56         /* other clocks */
57     };
58
59   # The clock consumer shall specify the desired clock-output of the clock
60   # controller as below by specifying output-id in its "clk" phandle cell.
61   # 2: uart
62   # 4: 32-bit timer
63   # 7: UHS-I/II
64   - |
65     serial@1e700010 {
66         compatible = "socionext,milbeaut-usio-uart";
67         reg = <0x1e700010 0x10>;
68         interrupts = <0 141 0x4>, <0 149 0x4>;
69         interrupt-names = "rx", "tx";
70         clocks = <&clk 2>;
71     };
72
73 ...