1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/brcm,misc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Broadcom's MISC block
8
9 maintainers:
10 - Rafał Miłecki <rafal@milecki.pl>
11
12 description: |
13 Broadcom's MISC is a hardware block used on some SoCs (e.g. bcm63xx and
14 bcm4908). It's used to implement some simple functions like a watchdog, PCIe
15 reset, UniMAC control and more.
16
17 properties:
18 compatible:
19 items:
20 - const: brcm,misc
21 - const: simple-mfd
22
23 reg:
24 description: MISC block registers
25
26 ranges: true
27
28 "#address-cells":
29 const: 1
30
31 "#size-cells":
32 const: 1
33
34 patternProperties:
35 '^reset-controller@[a-f0-9]+$':
36 $ref: /schemas/reset/brcm,bcm4908-misc-pcie-reset.yaml
37
38 additionalProperties: false
39
40 required:
41 - reg
42 - '#address-cells'
43 - '#size-cells'
44
45 examples:
46 - |
47 misc@ff802600 {
48 compatible = "brcm,misc", "simple-mfd";
49 reg = <0xff802600 0xe4>;
50
51 #address-cells = <1>;
52 #size-cells = <1>;
53 ranges = <0x0 0x0 0xe4>;
54
55 reset-controller@44 {
56 compatible = "brcm,bcm4908-misc-pcie-reset";
57 reg = <0x44 0x4>;
58 #reset-cells = <1>;
59 };
60 };
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