| # SPDX-License-Identifier: GPL-2.0 |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/rtc/s3c-rtc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Samsung S3C, S5P and Exynos Real Time Clock controller |
| |
| maintainers: |
| - Krzysztof Kozlowski <krzk@kernel.org> |
| |
| properties: |
| compatible: |
| oneOf: |
| - enum: |
| - samsung,s3c2410-rtc |
| - samsung,s3c2416-rtc |
| - samsung,s3c2443-rtc |
| - samsung,s3c6410-rtc |
| - items: |
| - enum: |
| - samsung,exynos7-rtc |
| - samsung,exynos850-rtc |
| - const: samsung,s3c6410-rtc |
| - const: samsung,exynos3250-rtc |
| deprecated: true |
| |
| reg: |
| maxItems: 1 |
| |
| clocks: |
| description: |
| Must contain a list of phandle and clock specifier for the rtc |
| clock and in the case of a s3c6410 compatible controller, also |
| a source clock. |
| minItems: 1 |
| maxItems: 2 |
| |
| clock-names: |
| description: |
| Must contain "rtc" and for a s3c6410 compatible controller |
| also "rtc_src". |
| minItems: 1 |
| maxItems: 2 |
| |
| interrupts: |
| description: |
| Two interrupt numbers to the cpu should be specified. First |
| interrupt number is the rtc alarm interrupt and second interrupt number |
| is the rtc tick interrupt. The number of cells representing a interrupt |
| depends on the parent interrupt controller. |
| minItems: 2 |
| maxItems: 2 |
| |
| allOf: |
| - $ref: rtc.yaml# |
| - if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - samsung,s3c6410-rtc |
| - samsung,exynos3250-rtc |
| then: |
| properties: |
| clocks: |
| minItems: 2 |
| maxItems: 2 |
| clock-names: |
| items: |
| - const: rtc |
| - const: rtc_src |
| else: |
| properties: |
| clocks: |
| minItems: 1 |
| maxItems: 1 |
| clock-names: |
| items: |
| - const: rtc |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/exynos5420.h> |
| #include <dt-bindings/clock/samsung,s2mps11.h> |
| |
| rtc@10070000 { |
| compatible = "samsung,s3c6410-rtc"; |
| reg = <0x10070000 0x100>; |
| interrupts = <0 44 4>, <0 45 4>; |
| clocks = <&clock CLK_RTC>, |
| <&s2mps11_osc S2MPS11_CLK_AP>; |
| clock-names = "rtc", "rtc_src"; |
| }; |