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rtc: s3c: Document in binding that only s3c6410 needs a src clk

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The S3C binding doc says that the RTC and RTC source clocks are required
but the S3C driver supports different HW IP and only the s3c6410 needs a
source clock.

Fix the binding explaining that the source clock is only needed for the
s3c6410-rtc compatible controller.

Reported-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Javier Martinez Canillas 2016-02-15 11:11:06 -03:00 committed by Alexandre Belloni
parent f55532a0c0
commit 00c9329ebe
1 changed files with 4 additions and 3 deletions
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7
Documentation/devicetree/bindings/rtc/s3c-rtc.txt
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@ -15,9 +15,10 @@ Required properties:
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
and source clocks.
- clock-names: Must contain "rtc" and "rtc_src" entries sorted in the
same order as the clocks property.
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: