Input: arc_ps2 - add support for device tree

Add match table for device tree binding and dts binding doc.

Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/input/serio/arc_ps2.c b/drivers/input/serio/arc_ps2.c
index c52e3e589f72..3fb7727c8ea5 100644
--- a/drivers/input/serio/arc_ps2.c
+++ b/drivers/input/serio/arc_ps2.c
@@ -14,6 +14,7 @@
 #include <linux/input.h>
 #include <linux/serio.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
@@ -259,10 +260,19 @@ static int arc_ps2_remove(struct platform_device *pdev)
         return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id arc_ps2_match[] = {
+        { .compatible = "snps,arc_ps2" },
+        { },
+};
+MODULE_DEVICE_TABLE(of, arc_ps2_match);
+#endif
+
 static struct platform_driver arc_ps2_driver = {
         .driver = {
-                .name   = "arc_ps2",
-                .owner  = THIS_MODULE,
+                .name           = "arc_ps2",
+                .owner          = THIS_MODULE,
+                .of_match_table = of_match_ptr(arc_ps2_match),
         },
         .probe  = arc_ps2_probe,
         .remove = arc_ps2_remove,