Replace the imx5 and imx6 iomux drivers with a single common driver that

uses the new fdt_pinctrl interface.

1 files changed, 0 insertions, 249 deletions

diff --git a/sys/arm/freescale/imx/imx51_iomux.c b/sys/arm/freescale/imx/imx51_iomux.c
deleted file mode 100644
index 1953b7a..0000000
--- a/sys/arm/freescale/imx/imx51_iomux.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/*	$NetBSD: imx51_iomux.c,v 1.3 2012/04/15 09:51:31 bsh Exp $	*/
-
-/*
- * Copyright (c) 2009, 2010  Genetec Corporation.  All rights reserved.
- * Written by Hashimoto Kenichi for Genetec Corporation.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*-
- * Copyright (c) 2012, 2013 The FreeBSD Foundation
- * All rights reserved.
- *
- * Portions of this software were developed by Oleksandr Rybalko
- * under sponsorship from the FreeBSD Foundation.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1.	Redistributions of source code must retain the above copyright
- *	notice, this list of conditions and the following disclaimer.
- * 2.	Redistributions in binary form must reproduce the above copyright
- *	notice, this list of conditions and the following disclaimer in the
- *	documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/malloc.h>
-#include <sys/rman.h>
-
-#include <machine/bus.h>
-#include <machine/fdt.h>
-
-#include <dev/fdt/fdt_common.h>
-#include <dev/ofw/openfirm.h>
-#include <dev/ofw/ofw_bus.h>
-#include <dev/ofw/ofw_bus_subr.h>
-
-#include <arm/freescale/imx/imx_iomuxvar.h>
-#include "imx51_iomuxreg.h"
-
-
-#define	IOMUX_WRITE(_sc, _r, _v)					\
-	    bus_write_4((_sc)->sc_res, (_r), (_v))
-#define	IOMUX_READ(_sc, _r)						\
-	    bus_read_4((_sc)->sc_res, (_r))
-#define	IOMUX_SET(_sc, _r, _m)						\
-	    IOMUX_WRITE((_sc), (_r), IOMUX_READ((_sc), (_r)) | (_m))
-#define	IOMUX_CLEAR(_sc, _r, _m)					\
-	    IOMUX_WRITE((_sc), (_r), IOMUX_READ((_sc), (_r)) & ~(_m))
-
-struct iomux_softc {
-	struct resource	*sc_res;
-	device_t 	sc_dev;
-};
-
-static int iomux_probe(device_t);
-static int iomux_attach(device_t);
-
-static struct iomux_softc *iomuxsc = NULL;
-
-static struct resource_spec imx_iomux_spec[] = {
-	{ SYS_RES_MEMORY,	0,	RF_ACTIVE },	/* Global registers */
-	{ -1, 0 }
-};
-
-static int
-iomux_probe(device_t dev)
-{
-
-	if (!ofw_bus_status_okay(dev))
-		return (ENXIO);
-
-	if (!ofw_bus_is_compatible(dev, "fsl,imx51-iomux") &&
-	    !ofw_bus_is_compatible(dev, "fsl,imx53-iomux"))
-		return (ENXIO);
-
-	device_set_desc(dev, "Freescale i.MX51 IO pins multiplexor");
-	return (BUS_PROBE_DEFAULT);
-}
-
-static int
-iomux_attach(device_t dev)
-{
-	struct iomux_softc * sc;
-
-	sc = device_get_softc(dev);
-
-	if (bus_alloc_resources(dev, imx_iomux_spec, &sc->sc_res)) {
-		device_printf(dev, "could not allocate resources\n");
-		return (ENXIO);
-	}
-
-	iomuxsc = sc;
-
-	/*
-	 * XXX: place to fetch all info about pinmuxing from loader data
-	 * (FDT blob) and apply. Loader (1st one) must care about
-	 * device-to-device difference.
-	 */
-
-	return (0);
-}
-
-static void
-iomux_set_function_sub(struct iomux_softc *sc, uint32_t pin, uint32_t fn)
-{
-	bus_size_t mux_ctl_reg = IOMUX_PIN_TO_MUX_ADDRESS(pin);
-
-	if (mux_ctl_reg != IOMUX_MUX_NONE)
-		IOMUX_WRITE(sc, mux_ctl_reg, fn);
-}
-
-void
-iomux_set_function(unsigned int pin, unsigned int fn)
-{
-
-	if (iomuxsc == NULL)
-		return;
-	iomux_set_function_sub(iomuxsc, pin, fn);
-}
-
-static void
-iomux_set_pad_sub(struct iomux_softc *sc, uint32_t pin, uint32_t config)
-{
-	bus_size_t pad_ctl_reg = IOMUX_PIN_TO_PAD_ADDRESS(pin);
-
-	if (pad_ctl_reg != IOMUX_PAD_NONE)
-		IOMUX_WRITE(sc, pad_ctl_reg, config);
-}
-
-void
-iomux_set_pad(unsigned int pin, unsigned int config)
-{
-
-	if (iomuxsc == NULL)
-		return;
-	iomux_set_pad_sub(iomuxsc, pin, config);
-}
-
-static uint32_t
-iomux_get_pad_config_sub(struct iomux_softc *sc, uint32_t pin)
-{
-	bus_size_t pad_reg = IOMUX_PIN_TO_PAD_ADDRESS(pin);
-	uint32_t result;
-
-	result = IOMUX_READ(sc, pad_reg);
-
-	return(result);
-}
-
-unsigned int
-iomux_get_pad_config(unsigned int pin)
-{
-
-	return(iomux_get_pad_config_sub(iomuxsc, pin));
-}
-
-uint32_t
-imx_iomux_gpr_get(u_int regnum)
-{
-
-	KASSERT(iomuxsc != NULL, ("imx_iomux_gpr_get() called before attach"));
-	KASSERT(regnum >= 0 && regnum <= 1, 
-	    ("imx_iomux_gpr_get bad regnum %u", regnum));
-	return (IOMUX_READ(iomuxsc, IOMUXC_GPR0 + regnum));
-}
-
-void
-imx_iomux_gpr_set(u_int regnum, uint32_t val)
-{
-
-	KASSERT(iomuxsc != NULL, ("imx_iomux_gpr_set() called before attach"));
-	KASSERT(regnum >= 0 && regnum <= 1, 
-	    ("imx_iomux_gpr_set bad regnum %u", regnum));
-	IOMUX_WRITE(iomuxsc, IOMUXC_GPR0 + regnum, val);
-}
-
-void
-imx_iomux_gpr_set_masked(u_int regnum, uint32_t clrbits, uint32_t setbits)
-{
-	uint32_t val;
-
-	KASSERT(iomuxsc != NULL, 
-	    ("imx_iomux_gpr_set_masked called before attach"));
-	KASSERT(regnum >= 0 && regnum <= 1, 
-	    ("imx_iomux_gpr_set_masked bad regnum %u", regnum));
-
-	val = IOMUX_READ(iomuxsc, IOMUXC_GPR0 + regnum);
-	val = (val & ~clrbits) | setbits;
-	IOMUX_WRITE(iomuxsc, IOMUXC_GPR0 + regnum, val);
-}
-
-static device_method_t imx_iomux_methods[] = {
-	DEVMETHOD(device_probe,		iomux_probe),
-	DEVMETHOD(device_attach,	iomux_attach),
-
-	DEVMETHOD_END
-};
-
-static driver_t imx_iomux_driver = {
-	"imx_iomux",
-	imx_iomux_methods,
-	sizeof(struct iomux_softc),
-};
-
-static devclass_t imx_iomux_devclass;
-
-EARLY_DRIVER_MODULE(imx_iomux, simplebus, imx_iomux_driver,
-    imx_iomux_devclass, 0, 0, BUS_PASS_CPU + BUS_PASS_ORDER_LATE);
-