[v4] altera_ps2: Add devicetree support

Commit Message

Thomas Chou Feb. 14, 2011, 2:06 a.m. UTC

None

Patch

diff --git a/Documentation/devicetree/bindings/serio/altera_ps2.txt b/Documentation/devicetree/bindings/serio/altera_ps2.txt
new file mode 100644
index 0000000..4d9eecc
--- /dev/null
+++ b/Documentation/devicetree/bindings/serio/altera_ps2.txt
@@ -0,0 +1,4 @@ 
+Altera UP PS/2 controller
+
+Required properties:
+- compatible : should be "ALTR,ps2-1.0".
diff --git a/drivers/input/serio/altera_ps2.c b/drivers/input/serio/altera_ps2.c
index 7998560..3fee88b 100644
--- a/drivers/input/serio/altera_ps2.c
+++ b/drivers/input/serio/altera_ps2.c
@@ -19,6 +19,7 @@ 
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 
 #define DRV_NAME "altera_ps2"
 
@@ -173,6 +174,16 @@  static int __devexit altera_ps2_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id altera_ps2_match[] = {
+	{ .compatible = "ALTR,ps2-1.0", },
+	{},
+}
+MODULE_DEVICE_TABLE(of, altera_ps2_match);
+#else /* CONFIG_OF */
+#define altera_ps2_match NULL
+#endif /* CONFIG_OF */
+
 /*
  * Our device driver structure
  */
@@ -182,6 +193,7 @@  static struct platform_driver altera_ps2_driver = {
 	.driver	= {
 		.name	= DRV_NAME,
 		.owner	= THIS_MODULE,
+		.of_match_table = altera_ps2_match,
 	},
 };
 
@@ -189,13 +201,12 @@  static int __init altera_ps2_init(void)
 {
 	return platform_driver_register(&altera_ps2_driver);
 }
+module_init(altera_ps2_init);
 
 static void __exit altera_ps2_exit(void)
 {
 	platform_driver_unregister(&altera_ps2_driver);
 }
-
-module_init(altera_ps2_init);
 module_exit(altera_ps2_exit);
 
 MODULE_DESCRIPTION("Altera University Program PS2 controller driver");