1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/reset/snps, 4 $id: http://devicetree.org/schemas/reset/snps,axs10x-reset.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: AXS10x reset controller 7 title: AXS10x reset controller
8 8
9 maintainers: 9 maintainers:
10 - Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.c 10 - Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
11 11
12 description: | 12 description: |
13 This binding describes the ARC AXS10x boards 13 This binding describes the ARC AXS10x boards custom IP-block which allows
14 to control reset signals of selected periphe 14 to control reset signals of selected peripherals. For example DW GMAC, etc...
15 This block is controlled via memory-mapped r 15 This block is controlled via memory-mapped register (AKA CREG) which
16 represents up-to 32 reset lines. 16 represents up-to 32 reset lines.
17 As of today only the following lines are use 17 As of today only the following lines are used:
18 - DW GMAC - line 5 18 - DW GMAC - line 5
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 const: snps,axs10x-reset 22 const: snps,axs10x-reset
23 23
24 reg: 24 reg:
25 maxItems: 1 25 maxItems: 1
26 26
27 '#reset-cells': 27 '#reset-cells':
28 const: 1 28 const: 1
29 29
30 required: 30 required:
31 - compatible 31 - compatible
32 - reg 32 - reg
33 - '#reset-cells' 33 - '#reset-cells'
34 34
35 additionalProperties: false 35 additionalProperties: false
36 36
37 examples: 37 examples:
38 - | 38 - |
39 reset: reset-controller@11220 { 39 reset: reset-controller@11220 {
40 compatible = "snps,axs10x-reset"; 40 compatible = "snps,axs10x-reset";
41 #reset-cells = <1>; 41 #reset-cells = <1>;
42 reg = <0x11220 0x4>; 42 reg = <0x11220 0x4>;
43 }; 43 };
44 44
45 // Specifying reset lines connected to IP 45 // Specifying reset lines connected to IP modules:
46 ethernet { 46 ethernet {
47 resets = <&reset 5>; 47 resets = <&reset 5>;
48 }; 48 };
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