1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/mediatek,mt8195-scpsys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: MediaTek System Control Processor System
8
9 maintainers:
10 - MandyJH Liu <mandyjh.liu@mediatek.com>
11
12 description:
13 MediaTek System Control Processor System (SCPSYS) has several
14 power management tasks. The tasks include MTCMOS power
15 domain control, thermal measurement, DVFS, etc.
16
17 properties:
18 compatible:
19 items:
20 - enum:
21 - mediatek,mt8167-scpsys
22 - mediatek,mt8173-scpsys
23 - mediatek,mt8183-scpsys
24 - mediatek,mt8186-scpsys
25 - mediatek,mt8188-scpsys
26 - mediatek,mt8192-scpsys
27 - mediatek,mt8195-scpsys
28 - mediatek,mt8365-scpsys
29 - const: syscon
30 - const: simple-mfd
31
32 reg:
33 maxItems: 1
34
35 power-controller:
36 $ref: /schemas/power/mediatek,power-controller.yaml#
37
38 required:
39 - compatible
40 - reg
41
42 additionalProperties: false
43
44 examples:
45 - |
46 #include <dt-bindings/clock/mt8195-clk.h>
47 #include <dt-bindings/power/mt8195-power.h>
48
49 syscon@10006000 {
50 compatible = "mediatek,mt8195-scpsys", "syscon", "simple-mfd";
51 reg = <0x10006000 0x100>;
52
53 spm: power-controller {
54 compatible = "mediatek,mt8195-power-controller";
55 #address-cells = <1>;
56 #size-cells = <0>;
57 #power-domain-cells = <1>;
58
59 /* sample of power domain nodes */
60 power-domain@MT8195_POWER_DOMAIN_PCIE_PHY {
61 reg = <MT8195_POWER_DOMAIN_PCIE_PHY>;
62 #power-domain-cells = <0>;
63 };
64
65 power-domain@MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY {
66 reg = <MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY>;
67 #power-domain-cells = <0>;
68 };
69 };
70 };
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