altera_ps2: Add devicetree support
Add match table for device tree binding.
v2: use const and add compat version.
v3: change compatible vendor to ALTR.
add dts binding doc.
v4: condition module device table export for of.
Signed-off-by: Walter Goossens <waltergoossens@home.nl>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
[dustan.bower@gmail.com: fixed missing semicolon]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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..d363dc4 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 @@
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 @@
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
+ .of_match_table = altera_ps2_match,
},
};
@@ -189,13 +201,12 @@
{
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");
