nxp,lpc3220-mic.txt

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    1 * NXP LPC32xx MIC, SIC1 and SIC2 Interrupt Controllers
    2 
    3 Required properties:
    4 - compatible: "nxp,lpc3220-mic" or "nxp,lpc3220-sic".
    5 - reg: should contain IC registers location and length.
    6 - interrupt-controller: identifies the node as an interrupt controller.
    7 - #interrupt-cells: the number of cells to define an interrupt, should be 2.
    8   The first cell is the IRQ number, the second cell is used to specify
    9   one of the supported IRQ types:
   10       IRQ_TYPE_EDGE_RISING = low-to-high edge triggered,
   11       IRQ_TYPE_EDGE_FALLING = high-to-low edge triggered,
   12       IRQ_TYPE_LEVEL_HIGH = active high level-sensitive,
   13       IRQ_TYPE_LEVEL_LOW = active low level-sensitive.
   14   Reset value is IRQ_TYPE_LEVEL_LOW.
   15 
   16 Optional properties:
   17 - interrupts: empty for MIC interrupt controller, cascaded MIC
   18   hardware interrupts for SIC1 and SIC2
   19 
   20 Examples:
   21 
   22         /* LPC32xx MIC, SIC1 and SIC2 interrupt controllers */
   23         mic: interrupt-controller@40008000 {
   24                 compatible = "nxp,lpc3220-mic";
   25                 reg = <0x40008000 0x4000>;
   26                 interrupt-controller;
   27                 #interrupt-cells = <2>;
   28         };
   29 
   30         sic1: interrupt-controller@4000c000 {
   31                 compatible = "nxp,lpc3220-sic";
   32                 reg = <0x4000c000 0x4000>;
   33                 interrupt-controller;
   34                 #interrupt-cells = <2>;
   35 
   36                 interrupt-parent = <&mic>;
   37                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>,
   38                              <30 IRQ_TYPE_LEVEL_LOW>;
   39         };
   40 
   41         sic2: interrupt-controller@40010000 {
   42                 compatible = "nxp,lpc3220-sic";
   43                 reg = <0x40010000 0x4000>;
   44                 interrupt-controller;
   45                 #interrupt-cells = <2>;
   46 
   47                 interrupt-parent = <&mic>;
   48                 interrupts = <1 IRQ_TYPE_LEVEL_LOW>,
   49                              <31 IRQ_TYPE_LEVEL_LOW>;
   50         };
   51 
   52         /* ADC */
   53         adc@40048000 {
   54                 compatible = "nxp,lpc3220-adc";
   55                 reg = <0x40048000 0x1000>;
   56                 interrupt-parent = <&sic1>;
   57                 interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
   58         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/interrupt-controller/nxp,lpc3220-mic.txt

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sys/contrib/device-tree/Bindings/interrupt-controller/nxp,lpc3220-mic.txt