xref: /linux/Documentation/devicetree/bindings/reset/hisilicon,hi3660-reset.yaml (revision 6e7fd890f1d6ac83805409e9c346240de2705584) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/reset/hisilicon,hi3660-reset.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Hisilicon System Reset Controller
8
9maintainers:
10  - Wei Xu <xuwei5@hisilicon.com>
11
12description: |
13  Please also refer to reset.txt in this directory for common reset
14  controller binding usage.
15  The reset controller registers are part of the system-ctl block on
16  hi3660 and hi3670 SoCs.
17
18properties:
19  compatible:
20    oneOf:
21      - items:
22          - const: hisilicon,hi3660-reset
23      - items:
24          - const: hisilicon,hi3670-reset
25          - const: hisilicon,hi3660-reset
26
27  hisi,rst-syscon:
28    deprecated: true
29    description: phandle of the reset's syscon, use hisilicon,rst-syscon instead
30    $ref: /schemas/types.yaml#/definitions/phandle
31
32  hisilicon,rst-syscon:
33    description: phandle of the reset's syscon.
34    $ref: /schemas/types.yaml#/definitions/phandle
35
36  '#reset-cells':
37    description: |
38      Specifies the number of cells needed to encode a reset source.
39      Cell #1 : offset of the reset assert control register from the syscon
40                register base
41                offset + 4: deassert control register
42                offset + 8: status control register
43      Cell #2 : bit position of the reset in the reset control register
44    const: 2
45
46required:
47  - compatible
48
49additionalProperties: false
50
51examples:
52  - |
53    iomcu_rst_controller {
54        compatible = "hisilicon,hi3660-reset";
55        hisilicon,rst-syscon = <&iomcu>;
56        #reset-cells = <2>;
57    };
58...
59