/* * Copyright (C) 2012 Sughosh Ganu * * SPDX-License-Identifier: GPL-2.0+ */ #include #include int usb_cpu_init(void) { /* enable psc for usb2.0 */ lpsc_on(DAVINCI_LPSC_USB20); /* enable psc for usb1.0 */ lpsc_on(DAVINCI_LPSC_USB11); /* start the on-chip usb phy and its pll */ if (usb_phy_on()) return 0; return 1; } int usb_cpu_stop(void) { usb_phy_off(); /* turn off the usb clock and assert the module reset */ lpsc_disable(DAVINCI_LPSC_USB11); lpsc_disable(DAVINCI_LPSC_USB20); return 0; } int usb_cpu_init_fail(void) { return usb_cpu_stop(); }