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