18c2ecf20Sopenharmony_ci* NXP PCF8523 Real Time Clock
28c2ecf20Sopenharmony_ci
38c2ecf20Sopenharmony_ciRequired properties:
48c2ecf20Sopenharmony_ci- compatible: Should contain "nxp,pcf8523".
58c2ecf20Sopenharmony_ci- reg: I2C address for chip.
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ciOptional property:
88c2ecf20Sopenharmony_ci- quartz-load-femtofarads: The capacitive load of the quartz(x-tal),
98c2ecf20Sopenharmony_ci  expressed in femto Farad (fF). Valid values are 7000 and 12500.
108c2ecf20Sopenharmony_ci  Default value (if no value is specified) is 12500fF.
118c2ecf20Sopenharmony_ci
128c2ecf20Sopenharmony_ciExample:
138c2ecf20Sopenharmony_ci
148c2ecf20Sopenharmony_cipcf8523: rtc@68 {
158c2ecf20Sopenharmony_ci	compatible = "nxp,pcf8523";
168c2ecf20Sopenharmony_ci	reg = <0x68>;
178c2ecf20Sopenharmony_ci	quartz-load-femtofarads = <7000>;
188c2ecf20Sopenharmony_ci};
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