imx51_pwm.c revision 1.1.2.2
1 1.1.2.2 rmind /* $NetBSD: imx51_pwm.c,v 1.1.2.2 2014/05/18 17:44:58 rmind Exp $ */ 2 1.1.2.2 rmind 3 1.1.2.2 rmind /*- 4 1.1.2.2 rmind * Copyright (c) 2014 Genetec Corporation. All rights reserved. 5 1.1.2.2 rmind * Written by Hashimoto Kenichi for Genetec Corporation. 6 1.1.2.2 rmind * 7 1.1.2.2 rmind * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 rmind * modification, are permitted provided that the following conditions 9 1.1.2.2 rmind * are met: 10 1.1.2.2 rmind * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 rmind * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 rmind * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 rmind * documentation and/or other materials provided with the distribution. 15 1.1.2.2 rmind * 16 1.1.2.2 rmind * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.1.2.2 rmind * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1.2.2 rmind * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1.2.2 rmind * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.1.2.2 rmind * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1.2.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1.2.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.2.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1.2.2 rmind * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.2.2 rmind * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.2.2 rmind * SUCH DAMAGE. 27 1.1.2.2 rmind */ 28 1.1.2.2 rmind 29 1.1.2.2 rmind #include <sys/cdefs.h> 30 1.1.2.2 rmind __KERNEL_RCSID(0, "$NetBSD: imx51_pwm.c,v 1.1.2.2 2014/05/18 17:44:58 rmind Exp $"); 31 1.1.2.2 rmind 32 1.1.2.2 rmind #include "locators.h" 33 1.1.2.2 rmind #include "opt_imx.h" 34 1.1.2.2 rmind 35 1.1.2.2 rmind #include <sys/param.h> 36 1.1.2.2 rmind #include <sys/bus.h> 37 1.1.2.2 rmind #include <sys/device.h> 38 1.1.2.2 rmind 39 1.1.2.2 rmind #include <arm/imx/imxpwmvar.h> 40 1.1.2.2 rmind #include <arm/imx/imx51reg.h> 41 1.1.2.2 rmind #include <arm/imx/imx51var.h> 42 1.1.2.2 rmind #include <arm/imx/imx51_ccmvar.h> 43 1.1.2.2 rmind 44 1.1.2.2 rmind int 45 1.1.2.2 rmind imxpwm_match(device_t parent, cfdata_t cf, void *aux) 46 1.1.2.2 rmind { 47 1.1.2.2 rmind struct axi_attach_args *aa = aux; 48 1.1.2.2 rmind 49 1.1.2.2 rmind switch (aa->aa_addr) { 50 1.1.2.2 rmind case PWM1_BASE: 51 1.1.2.2 rmind case PWM2_BASE: 52 1.1.2.2 rmind return 1; 53 1.1.2.2 rmind } 54 1.1.2.2 rmind 55 1.1.2.2 rmind return 0; 56 1.1.2.2 rmind } 57 1.1.2.2 rmind 58 1.1.2.2 rmind void 59 1.1.2.2 rmind imxpwm_attach(struct imxpwm_softc *sc, void *aux) 60 1.1.2.2 rmind { 61 1.1.2.2 rmind struct axi_attach_args *aa = aux; 62 1.1.2.2 rmind 63 1.1.2.2 rmind if (aa->aa_size == AXICF_SIZE_DEFAULT) 64 1.1.2.2 rmind aa->aa_size = PWM_SIZE; 65 1.1.2.2 rmind sc->sc_iot = aa->aa_iot; 66 1.1.2.2 rmind sc->sc_intr = aa->aa_irq; 67 1.1.2.2 rmind sc->sc_freq = imx51_get_clock(IMX51CLK_IPG_CLK_ROOT); 68 1.1.2.2 rmind if (bus_space_map(aa->aa_iot, aa->aa_addr, aa->aa_size, 0, &sc->sc_ioh)) 69 1.1.2.2 rmind panic("%s: couldn't map", device_xname(sc->sc_dev)); 70 1.1.2.2 rmind imxpwm_attach_common(sc); 71 1.1.2.2 rmind } 72
Indexes created Thu Oct 02 10:09:58 GMT 2025