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diff --git a/sys/arm/mv/clk/a37x0_xtal.c b/sys/arm/mv/clk/a37x0_xtal.c
new file mode 100644
--- /dev/null
+++ b/sys/arm/mv/clk/a37x0_xtal.c
@@ -0,0 +1,151 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2021 Semihalf.
+ *
+ * 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/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/mutex.h>
+#include <sys/rman.h>
+#include <machine/bus.h>
+
+#include <dev/fdt/simplebus.h>
+
+#include <dev/extres/clk/clk.h>
+#include <dev/extres/clk/clk_fixed.h>
+#include <dev/extres/syscon/syscon.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include "syscon_if.h"
+
+#define BIT(x) (1 << (x))
+
+#define NB_GPIO1_PIN_LT_L 0x8
+#define NB_GPIO1_MPP1_9 BIT(9)
+
+struct a37x0_xtal_softc {
+ device_t dev;
+ struct clkdom *clkdom;
+};
+
+static devclass_t a37x0_xtal_devclass;
+
+static int a37x0_xtal_attach(device_t dev);
+static int a37x0_xtal_detach(device_t dev);
+static int a37x0_xtal_probe(device_t dev);
+
+static device_method_t a37x0_xtal_methods [] = {
+ DEVMETHOD(device_probe, a37x0_xtal_probe),
+ DEVMETHOD(device_attach, a37x0_xtal_attach),
+ DEVMETHOD(device_detach, a37x0_xtal_detach),
+ DEVMETHOD_END
+};
+
+static driver_t a37x0_xtal_driver = {
+ "a37x0-xtal",
+ a37x0_xtal_methods,
+ sizeof(struct a37x0_xtal_softc)
+};
+
+EARLY_DRIVER_MODULE(a37x0_xtal, simplebus, a37x0_xtal_driver,
+ a37x0_xtal_devclass, 0, 0, BUS_PASS_TIMER + BUS_PASS_ORDER_EARLY);
+
+static int
+a37x0_xtal_attach(device_t dev)
+{
+ struct a37x0_xtal_softc *sc;
+ struct clk_fixed_def def;
+ struct syscon *syscon;
+ phandle_t node;
+ uint32_t reg;
+ int error;
+
+ node = ofw_bus_get_node(dev);
+ sc = device_get_softc(dev);
+
+ def.clkdef.name = "armada-3700-xtal";
+ def.clkdef.parent_names = NULL;
+ def.clkdef.parent_cnt = 0;
+ def.clkdef.id = 1;
+ def.mult = 0;
+ def.div = 0;
+
+ if (SYSCON_GET_HANDLE(dev, &syscon) != 0 || syscon == NULL){
+ device_printf(dev, "Cannot get syscon driver handle\n");
+ return (ENXIO);
+ }
+
+ reg = SYSCON_READ_4(syscon, NB_GPIO1_PIN_LT_L);
+ if (reg & NB_GPIO1_MPP1_9)
+ def.freq = 40000000;
+ else
+ def.freq = 25000000;
+
+ sc->clkdom = clkdom_create(dev);
+ error = clknode_fixed_register(sc->clkdom, &def);
+ if (error){
+ device_printf(dev, "Cannot register clock node\n");
+ return (ENXIO);
+ }
+
+ error = clkdom_finit(sc->clkdom);
+ if (error){
+ device_printf(dev, "Cannot finalize clock domain initialization\n");
+ return (ENXIO);
+ }
+
+ if (bootverbose)
+ clkdom_dump(sc->clkdom);
+
+ return (0);
+}
+
+static int
+a37x0_xtal_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (!ofw_bus_is_compatible(dev, "marvell,armada-3700-xtal-clock"))
+ return (ENXIO);
+
+ device_set_desc(dev, "Marvell Armada 3700 Oscillator");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+a37x0_xtal_detach(device_t dev)
+{
+
+ return (EBUSY);
+}
diff --git a/sys/arm64/conf/std.marvell b/sys/arm64/conf/std.marvell
--- a/sys/arm64/conf/std.marvell
+++ b/sys/arm64/conf/std.marvell
@@ -53,5 +53,8 @@
options FDT
device acpi
+# Clocks
+device a37x0_xtal # Marvell xtal-clock
+
# DTBs
makeoptions MODULES_EXTRA+="dtb/mv"
diff --git a/sys/conf/files.arm64 b/sys/conf/files.arm64
--- a/sys/conf/files.arm64
+++ b/sys/conf/files.arm64
@@ -456,6 +456,7 @@
arm/mv/a37x0_gpio.c optional a37x0_gpio gpio fdt
arm/mv/a37x0_iic.c optional a37x0_iic iicbus fdt
arm/mv/a37x0_spi.c optional a37x0_spi spibus fdt
+arm/mv/clk/a37x0_xtal.c optional a37x0_xtal clk fdt syscon
arm/mv/armada38x/armada38x_rtc.c optional mv_rtc fdt
arm/mv/gpio.c optional mv_gpio fdt
arm/mv/mvebu_gpio.c optional mv_gpio fdt

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