1 /* $OpenBSD: imxgpc.c,v 1.4 2018/08/06 10:52:30 patrick Exp $ */ 2 /* 3 * Copyright (c) 2016 Mark Kettenis 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/systm.h> 20 #include <sys/device.h> 21 22 #include <machine/fdt.h> 23 24 #include <dev/ofw/openfirm.h> 25 26 struct imxgpc_softc { 27 struct device sc_dev; 28 struct interrupt_controller sc_ic; 29 }; 30 31 int imxgpc_match(struct device *, void *, void *); 32 void imxgpc_attach(struct device *, struct device *, void *); 33 34 struct cfattach imxgpc_ca = { 35 sizeof(struct imxgpc_softc), imxgpc_match, imxgpc_attach 36 }; 37 38 struct cfdriver imxgpc_cd = { 39 NULL, "imxgpc", DV_DULL 40 }; 41 42 int 43 imxgpc_match(struct device *parent, void *match, void *aux) 44 { 45 struct fdt_attach_args *faa = aux; 46 47 return (OF_is_compatible(faa->fa_node, "fsl,imx6q-gpc") || 48 OF_is_compatible(faa->fa_node, "fsl,imx7d-gpc") || 49 OF_is_compatible(faa->fa_node, "fsl,imx8mq-gpc")); 50 } 51 52 void 53 imxgpc_attach(struct device *parent, struct device *self, void *aux) 54 { 55 struct fdt_attach_args *faa = aux; 56 struct imxgpc_softc *sc = (struct imxgpc_softc *)self; 57 58 sc->sc_ic.ic_node = faa->fa_node; 59 sc->sc_ic.ic_cookie = &sc->sc_ic; 60 sc->sc_ic.ic_establish = fdt_intr_parent_establish; 61 sc->sc_ic.ic_disestablish = fdt_intr_parent_disestablish; 62 fdt_intr_register(&sc->sc_ic); 63 64 printf("\n"); 65 } 66