pan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>Driver API for USB OHCI/EHCI. </p>
<p>OHCI and EHCI compliant interfaces have memory mapped registers that are used to control the USB host.</p>
<p>Only certain functionalities (interrupts, VBUS control, power control) require device specific interface which is provided through functions of the struct <a class="el" href="group__usbh__hci__gr.html#struct_a_r_m___d_r_i_v_e_r___u_s_b_h___h_c_i">ARM_