Index: head/sys/arm/ti/files.ti
===================================================================
--- head/sys/arm/ti/files.ti	(revision 350229)
+++ head/sys/arm/ti/files.ti	(revision 350230)
@@ -1,22 +1,23 @@
 #$FreeBSD$
 
 arm/ti/ti_cpuid.c				standard
 arm/ti/ti_hwmods.c				standard
 arm/ti/ti_machdep.c				standard
 arm/ti/ti_prcm.c				standard
 arm/ti/ti_scm.c					standard
 arm/ti/ti_pinmux.c				standard
 dev/mbox/mbox_if.m				optional	ti_mbox
 arm/ti/ti_mbox.c				optional	ti_mbox
 arm/ti/ti_pruss.c				optional	ti_pruss
 arm/ti/ti_wdt.c					optional	ti_wdt
 arm/ti/ti_adc.c					optional	ti_adc
 arm/ti/ti_gpio.c				optional	gpio
 arm/ti/ti_gpio_if.m				optional	gpio
 arm/ti/ti_i2c.c					optional	ti_i2c
 arm/ti/ti_sdhci.c	 			optional	sdhci
 arm/ti/ti_spi.c		 			optional	ti_spi
+arm/ti/ti_sysc.c	 			standard
 
 dev/uart/uart_dev_ti8250.c			optional	uart
 dev/uart/uart_dev_ns8250.c			optional	uart
 
Index: head/sys/arm/ti/ti_sysc.c
===================================================================
--- head/sys/arm/ti/ti_sysc.c	(nonexistent)
+++ head/sys/arm/ti/ti_sysc.c	(revision 350230)
@@ -0,0 +1,125 @@
+/*-
+ * Copyright (c) 2019 Emmanuel Vadot <manu@FreeBSD.org>
+ *
+ * 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 ``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 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/fbio.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/rman.h>
+#include <sys/resource.h>
+#include <machine/bus.h>
+#include <vm/vm.h>
+#include <vm/vm_extern.h>
+#include <vm/vm_kern.h>
+#include <vm/pmap.h>
+
+#include <dev/fdt/simplebus.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+static struct ofw_compat_data compat_data[] = {
+	{ "ti,sysc",	1 },
+	{ NULL,				0 }
+};
+
+struct ti_sysc_softc {
+	struct simplebus_softc	sc;
+	device_t		dev;
+};
+
+static int ti_sysc_probe(device_t dev);
+static int ti_sysc_attach(device_t dev);
+static int ti_sysc_detach(device_t dev);
+
+static int
+ti_sysc_probe(device_t dev)
+{
+	if (!ofw_bus_status_okay(dev))
+		return (ENXIO);
+
+	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
+		return (ENXIO);
+
+	device_set_desc(dev, "TI SYSC Interconnect");
+	return (BUS_PROBE_DEFAULT);
+}
+
+static int
+ti_sysc_attach(device_t dev)
+{
+	struct ti_sysc_softc *sc;
+	device_t cdev;
+	phandle_t node, child;
+
+	sc = device_get_softc(dev);
+	sc->dev = dev;
+	node = ofw_bus_get_node(dev);
+
+	simplebus_init(dev, node);
+	if (simplebus_fill_ranges(node, &sc->sc) < 0) {
+		device_printf(dev, "could not get ranges\n");
+		return (ENXIO);
+	}
+
+	for (child = OF_child(node); child > 0; child = OF_peer(child)) {
+		cdev = simplebus_add_device(dev, child, 0, NULL, -1, NULL);
+		if (cdev != NULL)
+			device_probe_and_attach(cdev);
+	}
+
+	return (bus_generic_attach(dev));
+}
+
+static int
+ti_sysc_detach(device_t dev)
+{
+
+	return (EBUSY);
+}
+
+static device_method_t ti_sysc_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		ti_sysc_probe),
+	DEVMETHOD(device_attach,	ti_sysc_attach),
+	DEVMETHOD(device_detach,	ti_sysc_detach),
+
+	DEVMETHOD_END
+};
+
+DEFINE_CLASS_1(ti_sysc, ti_sysc_driver, ti_sysc_methods,
+    sizeof(struct ti_sysc_softc), simplebus_driver);
+
+static devclass_t ti_sysc_devclass;
+
+EARLY_DRIVER_MODULE(ti_sysc, simplebus, ti_sysc_driver,
+ti_sysc_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_FIRST);

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