1 /* $OpenBSD: exdwusb.c,v 1.4 2021/03/25 04:12:01 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 23 #include <arm/simplebus/simplebusvar.h> 24 25 #include <dev/ofw/openfirm.h> 26 #include <dev/ofw/ofw_clock.h> 27 #include <dev/ofw/fdt.h> 28 29 struct exdwusb_softc { 30 struct simplebus_softc sc_sbus; 31 }; 32 33 int exdwusb_match(struct device *, void *, void *); 34 void exdwusb_attach(struct device *, struct device *, void *); 35 36 struct cfattach exdwusb_ca = { 37 sizeof(struct exdwusb_softc), exdwusb_match, exdwusb_attach 38 }; 39 40 struct cfdriver exdwusb_cd = { 41 NULL, "exdwusb", DV_DULL 42 }; 43 44 int 45 exdwusb_match(struct device *parent, void *match, void *aux) 46 { 47 struct fdt_attach_args *faa = aux; 48 49 return OF_is_compatible(faa->fa_node, "samsung,exynos5250-dwusb3"); 50 } 51 52 void 53 exdwusb_attach(struct device *parent, struct device *self, void *aux) 54 { 55 struct exdwusb_softc *sc = (struct exdwusb_softc *)self; 56 struct fdt_attach_args *faa = aux; 57 58 clock_enable_all(faa->fa_node); 59 60 simplebus_attach(parent, &sc->sc_sbus.sc_dev, faa); 61 } 62