1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/soc/loongso 4 $id: http://devicetree.org/schemas/soc/loongson/loongson,ls2k-pmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Loongson-2 Power Manager controller 7 title: Loongson-2 Power Manager controller
8 8
9 maintainers: 9 maintainers:
10 - Yinbo Zhu <zhuyinbo@loongson.cn> 10 - Yinbo Zhu <zhuyinbo@loongson.cn>
11 11
12 properties: 12 properties:
13 compatible: 13 compatible:
14 oneOf: 14 oneOf:
15 - items: 15 - items:
16 - const: loongson,ls2k0500-pmc 16 - const: loongson,ls2k0500-pmc
17 - const: syscon 17 - const: syscon
18 - items: 18 - items:
19 - enum: 19 - enum:
20 - loongson,ls2k1000-pmc 20 - loongson,ls2k1000-pmc
21 - loongson,ls2k2000-pmc 21 - loongson,ls2k2000-pmc
22 - const: loongson,ls2k0500-pmc 22 - const: loongson,ls2k0500-pmc
23 - const: syscon 23 - const: syscon
24 24
25 reg: 25 reg:
26 maxItems: 1 26 maxItems: 1
27 27
28 interrupts: 28 interrupts:
29 maxItems: 1 29 maxItems: 1
30 30
31 loongson,suspend-address: 31 loongson,suspend-address:
32 $ref: /schemas/types.yaml#/definitions/uin 32 $ref: /schemas/types.yaml#/definitions/uint64
33 description: 33 description:
34 The "loongson,suspend-address" is a deep 34 The "loongson,suspend-address" is a deep sleep state (Suspend To
35 RAM) firmware entry address which was ju 35 RAM) firmware entry address which was jumped from kernel and it's
36 value was dependent on specific platform 36 value was dependent on specific platform firmware code. In
37 addition, the PM need according to it to 37 addition, the PM need according to it to indicate that current
38 SoC whether support Suspend To RAM. 38 SoC whether support Suspend To RAM.
39 39
40 syscon-poweroff: 40 syscon-poweroff:
41 $ref: /schemas/power/reset/syscon-poweroff 41 $ref: /schemas/power/reset/syscon-poweroff.yaml#
42 type: object 42 type: object
43 description: 43 description:
44 Node for power off method 44 Node for power off method
45 45
46 syscon-reboot: 46 syscon-reboot:
47 $ref: /schemas/power/reset/syscon-reboot.y 47 $ref: /schemas/power/reset/syscon-reboot.yaml#
48 type: object 48 type: object
49 description: 49 description:
50 Node for reboot method 50 Node for reboot method
51 51
52 required: 52 required:
53 - compatible 53 - compatible
54 - reg 54 - reg
55 - interrupts 55 - interrupts
56 56
57 additionalProperties: false 57 additionalProperties: false
58 58
59 examples: 59 examples:
60 - | 60 - |
61 #include <dt-bindings/interrupt-controller 61 #include <dt-bindings/interrupt-controller/irq.h>
62 62
63 power-management@1fe27000 { 63 power-management@1fe27000 {
64 compatible = "loongson,ls2k1000-pmc", 64 compatible = "loongson,ls2k1000-pmc", "loongson,ls2k0500-pmc", "syscon";
65 reg = <0x1fe27000 0x58>; 65 reg = <0x1fe27000 0x58>;
66 interrupt-parent = <&liointc1>; 66 interrupt-parent = <&liointc1>;
67 interrupts = <11 IRQ_TYPE_LEVEL_LOW>; 67 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
68 loongson,suspend-address = <0x0 0x1c00 68 loongson,suspend-address = <0x0 0x1c000500>;
69 69
70 syscon-reboot { 70 syscon-reboot {
71 compatible = "syscon-reboot"; 71 compatible = "syscon-reboot";
72 offset = <0x30>; 72 offset = <0x30>;
73 mask = <0x1>; 73 mask = <0x1>;
74 }; 74 };
75 75
76 syscon-poweroff { 76 syscon-poweroff {
77 compatible = "syscon-poweroff"; 77 compatible = "syscon-poweroff";
78 regmap = <&pmc>; 78 regmap = <&pmc>;
79 offset = <0x14>; 79 offset = <0x14>;
80 mask = <0x3c00>; 80 mask = <0x3c00>;
81 value = <0x3c00>; 81 value = <0x3c00>;
82 }; 82 };
83 }; 83 };
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