1*c66ec88fSEmmanuel Vadot* GE Healthcare USB Management Controller 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotA device which handles data aquisition from compatible USB based peripherals. 4*c66ec88fSEmmanuel VadotSPI is used for device management. 5*c66ec88fSEmmanuel Vadot 6*c66ec88fSEmmanuel VadotNote: This device does not expose the peripherals as USB devices. 7*c66ec88fSEmmanuel Vadot 8*c66ec88fSEmmanuel VadotRequired properties: 9*c66ec88fSEmmanuel Vadot 10*c66ec88fSEmmanuel Vadot- compatible : Should be "ge,achc" 11*c66ec88fSEmmanuel Vadot 12*c66ec88fSEmmanuel VadotRequired SPI properties: 13*c66ec88fSEmmanuel Vadot 14*c66ec88fSEmmanuel Vadot- reg : Should be address of the device chip select within 15*c66ec88fSEmmanuel Vadot the controller. 16*c66ec88fSEmmanuel Vadot 17*c66ec88fSEmmanuel Vadot- spi-max-frequency : Maximum SPI clocking speed of device in Hz, should be 18*c66ec88fSEmmanuel Vadot 1MHz for the GE ACHC. 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel VadotExample: 21*c66ec88fSEmmanuel Vadot 22*c66ec88fSEmmanuel Vadotspidev0: spi@0 { 23*c66ec88fSEmmanuel Vadot compatible = "ge,achc"; 24*c66ec88fSEmmanuel Vadot reg = <0>; 25*c66ec88fSEmmanuel Vadot spi-max-frequency = <1000000>; 26*c66ec88fSEmmanuel Vadot}; 27