1/* $NetBSD: ti_tptc.c,v 1.2 2021/01/27 03:10:20 thorpej Exp $ */ 2 3/*- 4 * Copyright (c) 2019 Jared McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30__KERNEL_RCSID(0, "$NetBSD: ti_tptc.c,v 1.2 2021/01/27 03:10:20 thorpej Exp $"); 31 32#include <sys/param.h> 33#include <sys/bus.h> 34#include <sys/device.h> 35#include <sys/intr.h> 36#include <sys/systm.h> 37#include <sys/kernel.h> 38#include <sys/kmem.h> 39 40#include <dev/fdt/fdtvar.h> 41 42#include <arm/ti/ti_prcm.h> 43 44static int ti_tptc_match(device_t, cfdata_t, void *); 45static void ti_tptc_attach(device_t, device_t, void *); 46 47CFATTACH_DECL_NEW(ti_tptc, 0, ti_tptc_match, ti_tptc_attach, NULL, NULL); 48 49static const struct device_compatible_entry compat_data[] = { 50 { .compat = "ti,edma3-tptc" }, 51 DEVICE_COMPAT_EOL 52}; 53 54static int 55ti_tptc_match(device_t parent, cfdata_t cf, void *aux) 56{ 57 struct fdt_attach_args * const faa = aux; 58 59 return of_compatible_match(faa->faa_phandle, compat_data); 60} 61 62static void 63ti_tptc_attach(device_t parent, device_t self, void *aux) 64{ 65 struct fdt_attach_args * const faa = aux; 66 const int phandle = faa->faa_phandle; 67 68 aprint_naive("\n"); 69 aprint_normal(": EDMA Transfer Controller\n"); 70 71 if (ti_prcm_enable_hwmod(phandle, 0) != 0) { 72 aprint_error_dev(self, "couldn't enable module\n"); 73 return; 74 } 75} 76