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-efm32.txt

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    1 * Energymicro efm32 i2c controller
    2 
    3 Required properties :
    4 
    5  - reg : Offset and length of the register set for the device
    6  - compatible : should be "energymicro,efm32-i2c"
    7  - interrupts : the interrupt number
    8  - clocks : reference to the module clock
    9 
   10 Recommended properties :
   11 
   12  - clock-frequency : maximal I2C bus clock frequency in Hz.
   13  - energymicro,location : Decides the location of the USART I/O pins.
   14    Allowed range : [0 .. 6]
   15 
   16 Example:
   17         i2c0: i2c@4000a000 {
   18                 #address-cells = <1>;
   19                 #size-cells = <0>;
   20                 compatible = "energymicro,efm32-i2c";
   21                 reg = <0x4000a000 0x400>;
   22                 interrupts = <9>;
   23                 clocks = <&cmu clk_HFPERCLKI2C0>;
   24                 clock-frequency = <100000>;
   25                 energymicro,location = <3>;
   26 
   27                 eeprom@50 {
   28                         compatible = "microchip,24c02";
   29                         reg = <0x50>;
   30                         pagesize = <16>;
   31                 };
   32         };
   33

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