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     1 * CA8210 IEEE 802.15.4 *
    2 
    3 Required properties:
    4         - compatible:           Should be "cascoda,ca8210"
    5         - reg:                  Controlling chip select
    6         - spi-max-frequency:    Maximum clock speed, should be *less than*
    7                                 4000000
    8         - spi-cpol:             Requires inverted clock polarity
    9         - reset-gpio:           GPIO attached to reset
   10         - irq-gpio:             GPIO attached to IRQ
   11 Optional properties:
   12         - extclock-enable:      Include for the ca8210 to route its 16MHz clock
   13                                 to an output
   14         - extclock-freq:        Frequency in Hz of the external clock
   15         - extclock-gpio:        GPIO of the ca8210 to output the clock on
   16 
   17 Example:
   18         ca8210@0 {
   19                 compatible = "cascoda,ca8210";
   20                 reg = <0>;
   21                 spi-max-frequency = <3000000>;
   22                 spi-cpol;
   23                 reset-gpio = <&gpio1 1 GPIO_ACTIVE_HIGH>;
   24                 irq-gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>;
   25                 extclock-enable;
   26                 extclock-freq = 16000000;
   27                 extclock-gpio = 2;
   28         };
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