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1Freescale QUICC Engine USB Controller2 3Required properties:4- compatible : should be "fsl,<chip>-qe-usb", "fsl,mpc8323-qe-usb".5- reg : the first two cells should contain usb registers location and6 length, the next two two cells should contain PRAM location and7 length.8- interrupts : should contain USB interrupt.9- fsl,fullspeed-clock : specifies the full speed USB clock source:10 "none": clock source is disabled11 "brg1" through "brg16": clock source is BRG1-BRG16, respectively12 "clk1" through "clk24": clock source is CLK1-CLK24, respectively13- fsl,lowspeed-clock : specifies the low speed USB clock source:14 "none": clock source is disabled15 "brg1" through "brg16": clock source is BRG1-BRG16, respectively16 "clk1" through "clk24": clock source is CLK1-CLK24, respectively17- hub-power-budget : USB power budget for the root hub, in mA.18- gpios : should specify GPIOs in this order: USBOE, USBTP, USBTN, USBRP,19 USBRN, SPEED (optional), and POWER (optional).20 21Example:22 23usb@6c0 {24 compatible = "fsl,mpc8360-qe-usb", "fsl,mpc8323-qe-usb";25 reg = <0x6c0 0x40 0x8b00 0x100>;26 interrupts = <11>;27 interrupt-parent = <&qeic>;28 fsl,fullspeed-clock = "clk21";29 gpios = <&qe_pio_b 2 0 /* USBOE */30 &qe_pio_b 3 0 /* USBTP */31 &qe_pio_b 8 0 /* USBTN */32 &qe_pio_b 9 0 /* USBRP */33 &qe_pio_b 11 0 /* USBRN */34 &qe_pio_e 20 0 /* SPEED */35 &qe_pio_e 21 0 /* POWER */>;36};37