1*c66ec88fSEmmanuel VadotMaxim Integrated SPI-based USB 2.0 host controller MAX3421E 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot - compatible: Should be "maxim,max3421" 5*c66ec88fSEmmanuel Vadot - spi-max-frequency: maximum frequency for this device must not exceed 26 MHz. 6*c66ec88fSEmmanuel Vadot - reg: chip select number to which this device is connected. 7*c66ec88fSEmmanuel Vadot - maxim,vbus-en-pin: <GPOUTx ACTIVE_LEVEL> 8*c66ec88fSEmmanuel Vadot GPOUTx is the number (1-8) of the GPOUT pin of MAX3421E to drive Vbus. 9*c66ec88fSEmmanuel Vadot ACTIVE_LEVEL is 0 or 1. 10*c66ec88fSEmmanuel Vadot - interrupts: the interrupt line description for the interrupt controller. 11*c66ec88fSEmmanuel Vadot The driver configures MAX3421E for active low level triggered interrupts, 12*c66ec88fSEmmanuel Vadot configure your interrupt line accordingly. 13*c66ec88fSEmmanuel Vadot 14*c66ec88fSEmmanuel VadotExample: 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel Vadot usb@0 { 17*c66ec88fSEmmanuel Vadot compatible = "maxim,max3421"; 18*c66ec88fSEmmanuel Vadot reg = <0>; 19*c66ec88fSEmmanuel Vadot maxim,vbus-en-pin = <3 1>; 20*c66ec88fSEmmanuel Vadot spi-max-frequency = <26000000>; 21*c66ec88fSEmmanuel Vadot interrupt-parent = <&PIC>; 22*c66ec88fSEmmanuel Vadot interrupts = <42>; 23*c66ec88fSEmmanuel Vadot }; 24