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/i2c/i2c-altera.txt

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    1 * Altera I2C Controller
    2 * This is Altera's synthesizable logic block I2C Controller for use
    3 * in Altera's FPGAs.
    4 
    5 Required properties :
    6  - compatible : should be "altr,softip-i2c-v1.0"
    7  - reg        : Offset and length of the register set for the device
    8  - interrupts : <IRQ> where IRQ is the interrupt number.
    9  - clocks     : phandle to input clock.
   10  - #address-cells = <1>;
   11  - #size-cells = <0>;
   12 
   13 Recommended properties :
   14  - clock-frequency : desired I2C bus clock frequency in Hz.
   15 
   16 Optional properties :
   17  - fifo-size : Size of the RX and TX FIFOs in bytes.
   18  - Child nodes conforming to i2c bus binding
   19 
   20 Example :
   21 
   22         i2c@100080000 {
   23                 compatible = "altr,softip-i2c-v1.0";
   24                 reg = <0x00000001 0x00080000 0x00000040>;
   25                 interrupt-parent = <&intc>;
   26                 interrupts = <0 43 4>;
   27                 clocks = <&clk_0>;
   28                 clock-frequency = <100000>;
   29                 #address-cells = <1>;
   30                 #size-cells = <0>;
   31                 fifo-size = <4>;
   32 
   33                 eeprom@51 {
   34                         compatible = "atmel,24c32";
   35                         reg = <0x51>;
   36                         pagesize = <32>;
   37                 };
   38         };
   39

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