tty: serial: altera_jtaguart: Add device tree support

Advertise the possibility to use this driver with device tree if
CONFIG_OF is set.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

2 files changed, 17 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/serial/altera_jtaguart.txt b/Documentation/devicetree/bindings/serial/altera_jtaguart.txt
new file mode 100644
index 000000000000..c152f65f9a28
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/altera_jtaguart.txt
@@ -0,0 +1,4 @@
+Altera JTAG UART
+
+Required properties:
+- compatible : should be "ALTR,juart-1.0"
diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
index f9b49b5ff5e1..a20927fc3e1a 100644
--- a/drivers/tty/serial/altera_jtaguart.c
+++ b/drivers/tty/serial/altera_jtaguart.c
@@ -465,12 +465,23 @@ static int __devexit altera_jtaguart_remove(struct platform_device *pdev)
         return 0;
 }
 
+#ifdef CONFIG_OF
+static struct of_device_id altera_jtaguart_match[] = {
+        { .compatible = "ALTR,juart-1.0", },
+        {},
+};
+MODULE_DEVICE_TABLE(of, altera_jtaguart_match);
+#else
+#define altera_jtaguart_match NULL
+#endif /* CONFIG_OF */
+
 static struct platform_driver altera_jtaguart_platform_driver = {
         .probe  = altera_jtaguart_probe,
         .remove = __devexit_p(altera_jtaguart_remove),
         .driver = {
-                .name   = DRV_NAME,
-                .owner  = THIS_MODULE,
+                .name           = DRV_NAME,
+                .owner          = THIS_MODULE,
+                .of_match_table = altera_jtaguart_match,
         },
 };