* NXP PCF8523 Real Time Clock
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Required properties:
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- compatible: Should contain "nxp,pcf8523".
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- reg: I2C address for chip.
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Optional property:
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- quartz-load-femtofarads: The capacitive load of the quartz(x-tal),
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expressed in femto Farad (fF). Valid values are 7000 and 12500.
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Default value (if no value is specified) is 12500fF.
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Example:
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pcf8523: rtc@68 {
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compatible = "nxp,pcf8523";
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reg = <0x68>;
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quartz-load-femtofarads = <7000>;
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};
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