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Diffstat (limited to 'Documentation/devicetree/bindings/rtc/s3c-rtc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/s3c-rtc.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.txt b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt new file mode 100644 index 000000000..fdde63a54 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.txt @@ -0,0 +1,31 @@ +* Samsung's S3C Real Time Clock controller + +Required properties: +- compatible: should be one of the following. + * "samsung,s3c2410-rtc" - for controllers compatible with s3c2410 rtc. + * "samsung,s3c2416-rtc" - for controllers compatible with s3c2416 rtc. + * "samsung,s3c2443-rtc" - for controllers compatible with s3c2443 rtc. + * "samsung,s3c6410-rtc" - for controllers compatible with s3c6410 rtc. + * "samsung,exynos3250-rtc" - (deprecated) for controllers compatible with + exynos3250 rtc (use "samsung,s3c6410-rtc"). +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: 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. +- clocks: 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. +- clock-names: Must contain "rtc" and for a s3c6410 compatible controller, + a "rtc_src" sorted in the same order as the clocks property. + +Example: + + rtc@10070000 { + compatible = "samsung,s3c6410-rtc"; + reg = <0x10070000 0x100>; + interrupts = <44 0 45 0>; + clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>; + clock-names = "rtc", "rtc_src"; + }; |