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-rw-r--r--Documentation/devicetree/bindings/rtc/maxim,ds3231.txt38
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diff --git a/Documentation/devicetree/bindings/rtc/maxim,ds3231.txt b/Documentation/devicetree/bindings/rtc/maxim,ds3231.txt
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-* Maxim DS3231 Real Time Clock
-
-Required properties:
-- compatible: Should contain "maxim,ds3231".
-- reg: I2C address for chip.
-
-Optional property:
-- #clock-cells: Should be 1.
-- clock-output-names:
- overwrite the default clock names "ds3231_clk_sqw" and "ds3231_clk_32khz".
-
-Each clock is assigned an identifier and client nodes can use this identifier
-to specify the clock which they consume. Following indices are allowed:
- - 0: square-wave output on the SQW pin
- - 1: square-wave output on the 32kHz pin
-
-- interrupts: rtc alarm/event interrupt. When this property is selected,
- clock on the SQW pin cannot be used.
-
-Example:
-
-ds3231: ds3231@51 {
- compatible = "maxim,ds3231";
- reg = <0x68>;
- #clock-cells = <1>;
-};
-
-device1 {
-...
- clocks = <&ds3231 0>;
-...
-};
-
-device2 {
-...
- clocks = <&ds3231 1>;
-...
-};