1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/arm/calxeda/hb-sregs.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Calxeda Highbank system registers
8
9 description: |
10 The Calxeda Highbank system has a block of MMIO registers controlling
11 several generic system aspects. Those can be used to control some power
12 management, they also contain some gate and PLL clocks.
13
14 maintainers:
15 - Andre Przywara <andre.przywara@arm.com>
16
17 properties:
18 compatible:
19 const: calxeda,hb-sregs
20
21 reg:
22 maxItems: 1
23
24 clocks:
25 type: object
26
27 required:
28 - compatible
29 - reg
30
31 additionalProperties: false
32
33 examples:
34 - |
35 sregs@fff3c000 {
36 compatible = "calxeda,hb-sregs";
37 reg = <0xfff3c000 0x1000>;
38
39 clocks {
40 #address-cells = <1>;
41 #size-cells = <0>;
42
43 osc: oscillator {
44 #clock-cells = <0>;
45 compatible = "fixed-clock";
46 clock-frequency = <33333000>;
47 };
48 };
49 };
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