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/interrupt-controller/cirrus,clps711x-intc.txt

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    1 Cirrus Logic CLPS711X Interrupt Controller
    2 
    3 Required properties:
    4 
    5 - compatible: Should be "cirrus,ep7209-intc".
    6 - reg: Specifies base physical address of the registers set.
    7 - interrupt-controller: Identifies the node as an interrupt controller.
    8 - #interrupt-cells: Specifies the number of cells needed to encode an
    9   interrupt source. The value shall be 1.
   10 
   11 The interrupt sources are as follows:
   12 ID      Name    Description
   13 ---------------------------
   14 1:      BLINT   Battery low (FIQ)
   15 3:      MCINT   Media changed (FIQ)
   16 4:      CSINT   CODEC sound
   17 5:      EINT1   External 1
   18 6:      EINT2   External 2
   19 7:      EINT3   External 3
   20 8:      TC1OI   TC1 under flow
   21 9:      TC2OI   TC2 under flow
   22 10:     RTCMI   RTC compare match
   23 11:     TINT    64Hz tick
   24 12:     UTXINT1 UART1 transmit FIFO half empty
   25 13:     URXINT1 UART1 receive FIFO half full
   26 14:     UMSINT  UART1 modem status changed
   27 15:     SSEOTI  SSI1 end of transfer
   28 16:     KBDINT  Keyboard
   29 17:     SS2RX   SSI2 receive FIFO half or greater full
   30 18:     SS2TX   SSI2 transmit FIFO less than half empty
   31 28:     UTXINT2 UART2 transmit FIFO half empty
   32 29:     URXINT2 UART2 receive FIFO half full
   33 32:     DAIINT  DAI interface (FIQ)
   34 
   35 Example:
   36         intc: interrupt-controller {
   37                 compatible = "cirrus,ep7312-intc", "cirrus,ep7209-intc";
   38                 reg = <0x80000000 0x4000>;
   39                 interrupt-controller;
   40                 #interrupt-cells = <1>;
   41         };

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