The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/rtc/faraday,ftrtc010.txt

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    1 * Faraday Technology FTRTC010 Real Time Clock
    2 
    3 This RTC appears in for example the Storlink Gemini family of
    4 SoCs.
    5 
    6 Required properties:
    7 - compatible : Should be one of:
    8   "faraday,ftrtc010"
    9   "cortina,gemini-rtc", "faraday,ftrtc010"
   10 
   11 Optional properties:
   12 - clocks: when present should contain clock references to the
   13   PCLK and EXTCLK clocks. Faraday calls the later CLK1HZ and
   14   says the clock should be 1 Hz, but implementers actually seem
   15   to choose different clocks here, like Cortina who chose
   16   32768 Hz (a typical low-power clock).
   17 - clock-names: should name the clocks "PCLK" and "EXTCLK"
   18   respectively.
   19 
   20 Examples:
   21 
   22 rtc@45000000 {
   23         compatible = "cortina,gemini-rtc";
   24         reg = <0x45000000 0x100>;
   25         interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
   26         clocks = <&foo 0>, <&foo 1>;
   27         clock-names = "PCLK", "EXTCLK";
   28 };

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