1 files changed, 114 insertions, 0 deletions
diff --git a/sys/mips/mediatek/mtk_pinctrl.c b/sys/mips/mediatek/mtk_pinctrl.c
new file mode 100644
index 0000000..489be5b
--- /dev/null
+++ b/sys/mips/mediatek/mtk_pinctrl.c
@@ -0,0 +1,114 @@
+/*-
+ * Copyright (c) 2016 Stanislav Galabov
+ * All rights reserved.
+ *
+ * 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,
+ *    without modification, immediately at the beginning of the file.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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/kernel.h>
+#include <sys/bus.h>
+#include <sys/module.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 <dev/fdt/fdt_pinctrl.h>
+#include <mips/mediatek/mtk_sysctl.h>
+
+#include "fdt_pinctrl_if.h"
+
+static const struct ofw_compat_data compat_data[] = {
+	{ "ralink,rt2880-pinctrl",	1 },
+
+	/* Sentinel */
+	{ NULL,				0 }
+};
+
+static int
+mtk_pinctrl_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, "MTK Pin Controller");
+
+	return (0);
+}
+
+static int
+mtk_pinctrl_attach(device_t dev)
+{
+
+	if (device_get_unit(dev) != 0) {
+		device_printf(dev, "Only one pin control allowed\n");
+		return (ENXIO);
+	}
+
+	fdt_pinctrl_register(dev, "pinctrl-single,bits");
+	fdt_pinctrl_configure_tree(dev);
+
+	if (bootverbose)
+		device_printf(dev, "GPIO mode: 0x%08x\n",
+		    mtk_sysctl_get(SYSCTL_GPIOMODE));
+
+	return (0);
+}
+
+static int
+mtk_pinctrl_configure(device_t dev, phandle_t cfgxref)
+{
+
+	return (EINVAL);
+}
+
+static device_method_t mtk_pinctrl_methods[] = {
+	DEVMETHOD(device_probe,			mtk_pinctrl_probe),
+	DEVMETHOD(device_attach,		mtk_pinctrl_attach),
+
+	/* fdt_pinctrl interface */
+	DEVMETHOD(fdt_pinctrl_configure,	mtk_pinctrl_configure),
+
+	DEVMETHOD_END
+};
+
+static driver_t mtk_pinctrl_driver = {
+	"pinctrl",
+	mtk_pinctrl_methods,
+	0,
+};
+static devclass_t mtk_pinctrl_devclass;
+
+EARLY_DRIVER_MODULE(mtk_pinctrl, simplebus, mtk_pinctrl_driver,
+    mtk_pinctrl_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_EARLY);
+
+MODULE_DEPEND(mtk_pinctrl, mtk_sysctl, 1, 1, 1);