1* GE Healthcare USB Management Controller 2 3A device which handles data aquisition from compatible USB based peripherals. 4SPI is used for device management. 5 6Note: This device does not expose the peripherals as USB devices. 7 8Required properties: 9 10- compatible : Should be "ge,achc" 11 12Required SPI properties: 13 14- reg : Should be address of the device chip select within 15 the controller. 16 17- spi-max-frequency : Maximum SPI clocking speed of device in Hz, should be 18 1MHz for the GE ACHC. 19 20Example: 21 22spidev0: spi@0 { 23 compatible = "ge,achc"; 24 reg = <0>; 25 spi-max-frequency = <1000000>; 26}; 27