| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/rtc/s3c-rtc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Samsung S3C, S5P and Exynos Real Time Clock controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Krzysztof Kozlowski <krzk@kernel.org> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | oneOf: |
| 15 | - enum: |
| 16 | - samsung,s3c2410-rtc |
| 17 | - samsung,s3c2416-rtc |
| 18 | - samsung,s3c2443-rtc |
| 19 | - samsung,s3c6410-rtc |
| 20 | - const: samsung,exynos3250-rtc |
| 21 | deprecated: true |
| 22 | |
| 23 | reg: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | clocks: |
| 27 | description: |
| 28 | Must contain a list of phandle and clock specifier for the rtc |
| 29 | clock and in the case of a s3c6410 compatible controller, also |
| 30 | a source clock. |
| 31 | minItems: 1 |
| 32 | maxItems: 2 |
| 33 | |
| 34 | clock-names: |
| 35 | description: |
| 36 | Must contain "rtc" and for a s3c6410 compatible controller |
| 37 | also "rtc_src". |
| 38 | minItems: 1 |
| 39 | maxItems: 2 |
| 40 | |
| 41 | interrupts: |
| 42 | description: |
| 43 | Two interrupt numbers to the cpu should be specified. First |
| 44 | interrupt number is the rtc alarm interrupt and second interrupt number |
| 45 | is the rtc tick interrupt. The number of cells representing a interrupt |
| 46 | depends on the parent interrupt controller. |
| 47 | minItems: 2 |
| 48 | maxItems: 2 |
| 49 | |
| 50 | allOf: |
| 51 | - $ref: rtc.yaml# |
| 52 | - if: |
| 53 | properties: |
| 54 | compatible: |
| 55 | contains: |
| 56 | enum: |
| 57 | - samsung,s3c6410-rtc |
| 58 | - samsung,exynos3250-rtc |
| 59 | then: |
| 60 | properties: |
| 61 | clocks: |
| 62 | minItems: 2 |
| 63 | maxItems: 2 |
| 64 | clock-names: |
| 65 | items: |
| 66 | - const: rtc |
| 67 | - const: rtc_src |
| 68 | else: |
| 69 | properties: |
| 70 | clocks: |
| 71 | minItems: 1 |
| 72 | maxItems: 1 |
| 73 | clock-names: |
| 74 | items: |
| 75 | - const: rtc |
| 76 | |
| 77 | unevaluatedProperties: false |
| 78 | |
| 79 | examples: |
| 80 | - | |
| 81 | #include <dt-bindings/clock/exynos5420.h> |
| 82 | #include <dt-bindings/clock/samsung,s2mps11.h> |
| 83 | |
| 84 | rtc@10070000 { |
| 85 | compatible = "samsung,s3c6410-rtc"; |
| 86 | reg = <0x10070000 0x100>; |
| 87 | interrupts = <0 44 4>, <0 45 4>; |
| 88 | clocks = <&clock CLK_RTC>, |
| 89 | <&s2mps11_osc S2MPS11_CLK_AP>; |
| 90 | clock-names = "rtc", "rtc_src"; |
| 91 | }; |