xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/power/pd-samsung.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/power/pd-samsung.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Samsung Exynos SoC Power Domains
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Krzysztof Kozlowski <krzk@kernel.org>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyundescription: |+
13*4882a593Smuzhiyun  Exynos processors include support for multiple power domains which are used
14*4882a593Smuzhiyun  to gate power to one or more peripherals on the processor.
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunallOf:
17*4882a593Smuzhiyun  - $ref: power-domain.yaml#
18*4882a593Smuzhiyun
19*4882a593Smuzhiyunproperties:
20*4882a593Smuzhiyun  compatible:
21*4882a593Smuzhiyun    enum:
22*4882a593Smuzhiyun      - samsung,exynos4210-pd
23*4882a593Smuzhiyun      - samsung,exynos5433-pd
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  reg:
26*4882a593Smuzhiyun    maxItems: 1
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  clocks:
29*4882a593Smuzhiyun    deprecated: true
30*4882a593Smuzhiyun    maxItems: 1
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun  clock-names:
33*4882a593Smuzhiyun    deprecated: true
34*4882a593Smuzhiyun    maxItems: 1
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun  label:
37*4882a593Smuzhiyun    description:
38*4882a593Smuzhiyun      Human readable string with domain name. Will be visible in userspace
39*4882a593Smuzhiyun      to let user to distinguish between multiple domains in SoC.
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun  "#power-domain-cells":
42*4882a593Smuzhiyun    const: 0
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun  power-domains:
45*4882a593Smuzhiyun    maxItems: 1
46*4882a593Smuzhiyun
47*4882a593Smuzhiyunrequired:
48*4882a593Smuzhiyun  - compatible
49*4882a593Smuzhiyun  - "#power-domain-cells"
50*4882a593Smuzhiyun  - reg
51*4882a593Smuzhiyun
52*4882a593SmuzhiyununevaluatedProperties: false
53*4882a593Smuzhiyun
54*4882a593Smuzhiyunexamples:
55*4882a593Smuzhiyun  - |
56*4882a593Smuzhiyun    lcd0_pd: power-domain@10023c80 {
57*4882a593Smuzhiyun        compatible = "samsung,exynos4210-pd";
58*4882a593Smuzhiyun        reg = <0x10023c80 0x20>;
59*4882a593Smuzhiyun        #power-domain-cells = <0>;
60*4882a593Smuzhiyun        label = "LCD0";
61*4882a593Smuzhiyun    };
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun    mfc_pd: power-domain@10044060 {
64*4882a593Smuzhiyun        compatible = "samsung,exynos4210-pd";
65*4882a593Smuzhiyun        reg = <0x10044060 0x20>;
66*4882a593Smuzhiyun        #power-domain-cells = <0>;
67*4882a593Smuzhiyun        label = "MFC";
68*4882a593Smuzhiyun    };
69