0001 # SPDX-License-Identifier: GPL-2.0
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/rtc/s3c-rtc.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Samsung S3C, S5P and Exynos Real Time Clock controller
0008
0009 maintainers:
0010 - Krzysztof Kozlowski <krzk@kernel.org>
0011
0012 properties:
0013 compatible:
0014 oneOf:
0015 - enum:
0016 - samsung,s3c2410-rtc
0017 - samsung,s3c2416-rtc
0018 - samsung,s3c2443-rtc
0019 - samsung,s3c6410-rtc
0020 - const: samsung,exynos3250-rtc
0021 deprecated: true
0022
0023 reg:
0024 maxItems: 1
0025
0026 clocks:
0027 description:
0028 Must contain a list of phandle and clock specifier for the rtc
0029 clock and in the case of a s3c6410 compatible controller, also
0030 a source clock.
0031 minItems: 1
0032 maxItems: 2
0033
0034 clock-names:
0035 description:
0036 Must contain "rtc" and for a s3c6410 compatible controller
0037 also "rtc_src".
0038 minItems: 1
0039 maxItems: 2
0040
0041 interrupts:
0042 description:
0043 Two interrupt numbers to the cpu should be specified. First
0044 interrupt number is the rtc alarm interrupt and second interrupt number
0045 is the rtc tick interrupt. The number of cells representing a interrupt
0046 depends on the parent interrupt controller.
0047 minItems: 2
0048 maxItems: 2
0049
0050 allOf:
0051 - $ref: rtc.yaml#
0052 - if:
0053 properties:
0054 compatible:
0055 contains:
0056 enum:
0057 - samsung,s3c6410-rtc
0058 - samsung,exynos3250-rtc
0059 then:
0060 properties:
0061 clocks:
0062 minItems: 2
0063 maxItems: 2
0064 clock-names:
0065 items:
0066 - const: rtc
0067 - const: rtc_src
0068 else:
0069 properties:
0070 clocks:
0071 minItems: 1
0072 maxItems: 1
0073 clock-names:
0074 items:
0075 - const: rtc
0076
0077 unevaluatedProperties: false
0078
0079 examples:
0080 - |
0081 #include <dt-bindings/clock/exynos5420.h>
0082 #include <dt-bindings/clock/samsung,s2mps11.h>
0083
0084 rtc@10070000 {
0085 compatible = "samsung,s3c6410-rtc";
0086 reg = <0x10070000 0x100>;
0087 interrupts = <0 44 4>, <0 45 4>;
0088 clocks = <&clock CLK_RTC>,
0089 <&s2mps11_osc S2MPS11_CLK_AP>;
0090 clock-names = "rtc", "rtc_src";
0091 };
