xref: /freebsd/sys/contrib/device-tree/Bindings/power/pd-samsung.yaml (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: GPL-2.0
2*c66ec88fSEmmanuel Vadot%YAML 1.2
3*c66ec88fSEmmanuel Vadot---
4*c66ec88fSEmmanuel Vadot$id: http://devicetree.org/schemas/power/pd-samsung.yaml#
5*c66ec88fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel Vadottitle: Samsung Exynos SoC Power Domains
8*c66ec88fSEmmanuel Vadot
9*c66ec88fSEmmanuel Vadotmaintainers:
10*c66ec88fSEmmanuel Vadot  - Krzysztof Kozlowski <krzk@kernel.org>
11*c66ec88fSEmmanuel Vadot
12*c66ec88fSEmmanuel Vadotdescription: |+
13*c66ec88fSEmmanuel Vadot  Exynos processors include support for multiple power domains which are used
14*c66ec88fSEmmanuel Vadot  to gate power to one or more peripherals on the processor.
15*c66ec88fSEmmanuel Vadot
16*c66ec88fSEmmanuel VadotallOf:
17*c66ec88fSEmmanuel Vadot  - $ref: power-domain.yaml#
18*c66ec88fSEmmanuel Vadot
19*c66ec88fSEmmanuel Vadotproperties:
20*c66ec88fSEmmanuel Vadot  compatible:
21*c66ec88fSEmmanuel Vadot    enum:
22*c66ec88fSEmmanuel Vadot      - samsung,exynos4210-pd
23*c66ec88fSEmmanuel Vadot      - samsung,exynos5433-pd
24*c66ec88fSEmmanuel Vadot
25*c66ec88fSEmmanuel Vadot  reg:
26*c66ec88fSEmmanuel Vadot    maxItems: 1
27*c66ec88fSEmmanuel Vadot
28*c66ec88fSEmmanuel Vadot  clocks:
29*c66ec88fSEmmanuel Vadot    deprecated: true
30*c66ec88fSEmmanuel Vadot    maxItems: 1
31*c66ec88fSEmmanuel Vadot
32*c66ec88fSEmmanuel Vadot  clock-names:
33*c66ec88fSEmmanuel Vadot    deprecated: true
34*c66ec88fSEmmanuel Vadot    maxItems: 1
35*c66ec88fSEmmanuel Vadot
36*c66ec88fSEmmanuel Vadot  label:
37*c66ec88fSEmmanuel Vadot    description:
38*c66ec88fSEmmanuel Vadot      Human readable string with domain name. Will be visible in userspace
39*c66ec88fSEmmanuel Vadot      to let user to distinguish between multiple domains in SoC.
40*c66ec88fSEmmanuel Vadot
41*c66ec88fSEmmanuel Vadot  "#power-domain-cells":
42*c66ec88fSEmmanuel Vadot    const: 0
43*c66ec88fSEmmanuel Vadot
44*c66ec88fSEmmanuel Vadot  power-domains:
45*c66ec88fSEmmanuel Vadot    maxItems: 1
46*c66ec88fSEmmanuel Vadot
47*c66ec88fSEmmanuel Vadotrequired:
48*c66ec88fSEmmanuel Vadot  - compatible
49*c66ec88fSEmmanuel Vadot  - "#power-domain-cells"
50*c66ec88fSEmmanuel Vadot  - reg
51*c66ec88fSEmmanuel Vadot
52*c66ec88fSEmmanuel Vadotexamples:
53*c66ec88fSEmmanuel Vadot  - |
54*c66ec88fSEmmanuel Vadot    lcd0_pd: power-domain@10023c80 {
55*c66ec88fSEmmanuel Vadot        compatible = "samsung,exynos4210-pd";
56*c66ec88fSEmmanuel Vadot        reg = <0x10023c80 0x20>;
57*c66ec88fSEmmanuel Vadot        #power-domain-cells = <0>;
58*c66ec88fSEmmanuel Vadot        label = "LCD0";
59*c66ec88fSEmmanuel Vadot    };
60*c66ec88fSEmmanuel Vadot
61*c66ec88fSEmmanuel Vadot    mfc_pd: power-domain@10044060 {
62*c66ec88fSEmmanuel Vadot        compatible = "samsung,exynos4210-pd";
63*c66ec88fSEmmanuel Vadot        reg = <0x10044060 0x20>;
64*c66ec88fSEmmanuel Vadot        #power-domain-cells = <0>;
65*c66ec88fSEmmanuel Vadot        label = "MFC";
66*c66ec88fSEmmanuel Vadot    };
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