rtc: omap: dt support
Enhance rtc-omap driver with DT capability
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Daniel Mack <zonque@gmail.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index d948426..dff9ff4 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -20,6 +20,8 @@
#include <linux/rtc.h>
#include <linux/bcd.h>
#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <asm/io.h>
@@ -298,6 +300,8 @@
static int omap_rtc_alarm;
static int omap_rtc_timer;
+#define OMAP_RTC_DATA_DA830_IDX 1
+
static struct platform_device_id omap_rtc_devtype[] = {
{
.name = DRIVER_NAME,
@@ -309,12 +313,25 @@
};
MODULE_DEVICE_TABLE(platform, omap_rtc_devtype);
+static const struct of_device_id omap_rtc_of_match[] = {
+ { .compatible = "ti,da830-rtc",
+ .data = &omap_rtc_devtype[OMAP_RTC_DATA_DA830_IDX],
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, omap_rtc_of_match);
+
static int __init omap_rtc_probe(struct platform_device *pdev)
{
struct resource *res, *mem;
struct rtc_device *rtc;
u8 reg, new_ctrl;
const struct platform_device_id *id_entry;
+ const struct of_device_id *of_id;
+
+ of_id = of_match_device(omap_rtc_of_match, &pdev->dev);
+ if (of_id)
+ pdev->id_entry = of_id->data;
omap_rtc_timer = platform_get_irq(pdev, 0);
if (omap_rtc_timer <= 0) {
@@ -510,6 +527,7 @@
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(omap_rtc_of_match),
},
.id_table = omap_rtc_devtype,
};