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rtc: s3c: Document required clocks in the DT binding

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The S3C Real Time Clock driver requires the clock and source clock to
be defined in the device node but that requirement is not documented.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Javier Martinez Canillas 2016-02-09 14:23:52 -03:00 committed by Rob Herring
parent 32e593b9c7
commit 43f3408261
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/rtc/s3c-rtc.txt
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@ -14,6 +14,10 @@ Required properties:
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
and source clocks.
- clock-names: Must contain "rtc" and "rtc_src" entries sorted in the
same order as the clocks property.
Example:
@ -21,4 +25,6 @@ Example:
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";
};