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/rtc/s3c-rtc 4 $id: http://devicetree.org/schemas/rtc/s3c-rtc.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Samsung S3C, S5P and Exynos Real Time C 7 title: Samsung S3C, S5P and Exynos Real Time Clock controller
8 8
9 maintainers: 9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org> 10 - Krzysztof Kozlowski <krzk@kernel.org>
11 11
12 properties: 12 properties:
13 compatible: 13 compatible:
14 oneOf: 14 oneOf:
15 - enum: 15 - enum:
16 - samsung,s3c2410-rtc 16 - samsung,s3c2410-rtc
17 - samsung,s3c2416-rtc 17 - samsung,s3c2416-rtc
18 - samsung,s3c2443-rtc 18 - samsung,s3c2443-rtc
19 - samsung,s3c6410-rtc 19 - samsung,s3c6410-rtc
20 - items: 20 - items:
21 - enum: 21 - enum:
22 - samsung,exynos7-rtc 22 - samsung,exynos7-rtc
23 - samsung,exynos850-rtc 23 - samsung,exynos850-rtc
24 - const: samsung,s3c6410-rtc 24 - const: samsung,s3c6410-rtc
25 - const: samsung,exynos3250-rtc 25 - const: samsung,exynos3250-rtc
26 deprecated: true 26 deprecated: true
27 27
28 reg: 28 reg:
29 maxItems: 1 29 maxItems: 1
30 30
31 clocks: 31 clocks:
32 description: 32 description:
33 Must contain a list of phandle and clock 33 Must contain a list of phandle and clock specifier for the rtc
34 clock and in the case of a s3c6410 compa 34 clock and in the case of a s3c6410 compatible controller, also
35 a source clock. 35 a source clock.
36 minItems: 1 36 minItems: 1
37 maxItems: 2 37 maxItems: 2
38 38
39 clock-names: 39 clock-names:
40 description: 40 description:
41 Must contain "rtc" and for a s3c6410 com 41 Must contain "rtc" and for a s3c6410 compatible controller
42 also "rtc_src". 42 also "rtc_src".
43 minItems: 1 43 minItems: 1
44 maxItems: 2 44 maxItems: 2
45 45
46 interrupts: 46 interrupts:
47 description: 47 description:
48 Two interrupt numbers to the cpu should 48 Two interrupt numbers to the cpu should be specified. First
49 interrupt number is the rtc alarm interr 49 interrupt number is the rtc alarm interrupt and second interrupt number
50 is the rtc tick interrupt. The number of 50 is the rtc tick interrupt. The number of cells representing a interrupt
51 depends on the parent interrupt controll 51 depends on the parent interrupt controller.
52 minItems: 2 52 minItems: 2
53 maxItems: 2 53 maxItems: 2
54 54
55 allOf: 55 allOf:
56 - $ref: rtc.yaml# 56 - $ref: rtc.yaml#
57 - if: 57 - if:
58 properties: 58 properties:
59 compatible: 59 compatible:
60 contains: 60 contains:
61 enum: 61 enum:
62 - samsung,s3c6410-rtc 62 - samsung,s3c6410-rtc
63 - samsung,exynos3250-rtc 63 - samsung,exynos3250-rtc
64 then: 64 then:
65 properties: 65 properties:
66 clocks: 66 clocks:
67 minItems: 2 67 minItems: 2
68 maxItems: 2 68 maxItems: 2
69 clock-names: 69 clock-names:
70 items: 70 items:
71 - const: rtc 71 - const: rtc
72 - const: rtc_src 72 - const: rtc_src
73 else: 73 else:
74 properties: 74 properties:
75 clocks: 75 clocks:
76 minItems: 1 76 minItems: 1
77 maxItems: 1 77 maxItems: 1
78 clock-names: 78 clock-names:
79 items: 79 items:
80 - const: rtc 80 - const: rtc
81 81
82 unevaluatedProperties: false 82 unevaluatedProperties: false
83 83
84 examples: 84 examples:
85 - | 85 - |
86 #include <dt-bindings/clock/exynos5420.h> 86 #include <dt-bindings/clock/exynos5420.h>
87 #include <dt-bindings/clock/samsung,s2mps1 87 #include <dt-bindings/clock/samsung,s2mps11.h>
88 88
89 rtc@10070000 { 89 rtc@10070000 {
90 compatible = "samsung,s3c6410-rtc"; 90 compatible = "samsung,s3c6410-rtc";
91 reg = <0x10070000 0x100>; 91 reg = <0x10070000 0x100>;
92 interrupts = <0 44 4>, <0 45 4>; 92 interrupts = <0 44 4>, <0 45 4>;
93 clocks = <&clock CLK_RTC>, 93 clocks = <&clock CLK_RTC>,
94 <&s2mps11_osc S2MPS11_CLK_AP> 94 <&s2mps11_osc S2MPS11_CLK_AP>;
95 clock-names = "rtc", "rtc_src"; 95 clock-names = "rtc", "rtc_src";
96 }; 96 };
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