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/timer/fsl,gtm.txt

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    1 * Freescale General-purpose Timers Module
    2 
    3 Required properties:
    4   - compatible : should be
    5     "fsl,<chip>-gtm", "fsl,gtm" for SOC GTMs
    6     "fsl,<chip>-qe-gtm", "fsl,qe-gtm", "fsl,gtm" for QE GTMs
    7     "fsl,<chip>-cpm2-gtm", "fsl,cpm2-gtm", "fsl,gtm" for CPM2 GTMs
    8   - reg : should contain gtm registers location and length (0x40).
    9   - interrupts : should contain four interrupts.
   10   - clock-frequency : specifies the frequency driving the timer.
   11 
   12 Example:
   13 
   14 timer@500 {
   15         compatible = "fsl,mpc8360-gtm", "fsl,gtm";
   16         reg = <0x500 0x40>;
   17         interrupts = <90 8 78 8 84 8 72 8>;
   18         interrupt-parent = <&ipic>;
   19         /* filled by u-boot */
   20         clock-frequency = <0>;
   21 };
   22 
   23 timer@440 {
   24         compatible = "fsl,mpc8360-qe-gtm", "fsl,qe-gtm", "fsl,gtm";
   25         reg = <0x440 0x40>;
   26         interrupts = <12 13 14 15>;
   27         interrupt-parent = <&qeic>;
   28         /* filled by u-boot */
   29         clock-frequency = <0>;
   30 };

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