RTC: add DT bindings to pxa-rtc
This patch adds generic device tree bindings to the PXA RTC driver.
Documentation for bindings were also added.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
diff --git a/Documentation/devicetree/bindings/rtc/pxa-rtc.txt b/Documentation/devicetree/bindings/rtc/pxa-rtc.txt
new file mode 100644
index 0000000..8c6672a
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/pxa-rtc.txt
@@ -0,0 +1,14 @@
+* PXA RTC
+
+PXA specific RTC driver.
+
+Required properties:
+- compatible : Should be "marvell,pxa-rtc"
+
+Examples:
+
+rtc@40900000 {
+ compatible = "marvell,pxa-rtc";
+ reg = <0x40900000 0x3c>;
+ interrupts = <30 31>;
+};
diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c
index 0075c8f..f771b2e 100644
--- a/drivers/rtc/rtc-pxa.c
+++ b/drivers/rtc/rtc-pxa.c
@@ -27,6 +27,8 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <mach/hardware.h>
@@ -396,6 +398,14 @@
return 0;
}
+#ifdef CONFIG_OF
+static struct of_device_id pxa_rtc_dt_ids[] = {
+ { .compatible = "marvell,pxa-rtc" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, pxa_rtc_dt_ids);
+#endif
+
#ifdef CONFIG_PM
static int pxa_rtc_suspend(struct device *dev)
{
@@ -425,6 +435,7 @@
.remove = __exit_p(pxa_rtc_remove),
.driver = {
.name = "pxa-rtc",
+ .of_match_table = of_match_ptr(pxa_rtc_dt_ids),
#ifdef CONFIG_PM
.pm = &pxa_rtc_pm_ops,
#endif
