1/* $OpenBSD: exdwusb.c,v 1.6 2023/09/22 01:10:43 jsg Exp $ */ 2/* 3 * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18#include <sys/param.h> 19#include <sys/device.h> 20 21#include <machine/fdt.h> 22#include <machine/simplebusvar.h> 23 24#include <dev/ofw/openfirm.h> 25#include <dev/ofw/ofw_clock.h> 26#include <dev/ofw/fdt.h> 27 28struct exdwusb_softc { 29 struct simplebus_softc sc_sbus; 30}; 31 32int exdwusb_match(struct device *, void *, void *); 33void exdwusb_attach(struct device *, struct device *, void *); 34 35const struct cfattach exdwusb_ca = { 36 sizeof(struct exdwusb_softc), exdwusb_match, exdwusb_attach 37}; 38 39struct cfdriver exdwusb_cd = { 40 NULL, "exdwusb", DV_DULL 41}; 42 43int 44exdwusb_match(struct device *parent, void *match, void *aux) 45{ 46 struct fdt_attach_args *faa = aux; 47 48 return OF_is_compatible(faa->fa_node, "samsung,exynos5250-dwusb3"); 49} 50 51void 52exdwusb_attach(struct device *parent, struct device *self, void *aux) 53{ 54 struct exdwusb_softc *sc = (struct exdwusb_softc *)self; 55 struct fdt_attach_args *faa = aux; 56 57 clock_enable_all(faa->fa_node); 58 59 simplebus_attach(parent, &sc->sc_sbus.sc_dev, faa); 60} 61