diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/rtc/nxp,pcf8523.txt | 18 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/rtc/rtc.txt | 1 |
2 files changed, 18 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf8523.txt b/Documentation/devicetree/bindings/rtc/nxp,pcf8523.txt new file mode 100644 index 000000000000..0b1080c60f63 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/nxp,pcf8523.txt @@ -0,0 +1,18 @@ +* NXP PCF8523 Real Time Clock + +Required properties: +- compatible: Should contain "nxp,pcf8523". +- reg: I2C address for chip. + +Optional property: +- quartz-load-femtofarads: The capacitive load of the quartz(x-tal), + expressed in femto Farad (fF). Valid values are 7000 and 12500. + Default value (if no value is specified) is 12500fF. + +Example: + +pcf8523: rtc@68 { + compatible = "nxp,pcf8523"; + reg = <0x68>; + quartz-load-femtofarads = <7000>; +}; diff --git a/Documentation/devicetree/bindings/rtc/rtc.txt b/Documentation/devicetree/bindings/rtc/rtc.txt index 0cacbc0edd20..27a7c1578f6e 100644 --- a/Documentation/devicetree/bindings/rtc/rtc.txt +++ b/Documentation/devicetree/bindings/rtc/rtc.txt @@ -56,7 +56,6 @@ microcrystal,rv3029 Real Time Clock Module with I2C-Bus microcrystal,rv8523 Real Time Clock nxp,pcf2127 Real-time clock nxp,pcf2129 Real-time clock -nxp,pcf8523 Real-time Clock nxp,pcf8563 Real-time clock/calendar nxp,pcf85063 Tiny Real-Time Clock pericom,pt7c4338 Real-time Clock Module |