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-rw-r--r--Documentation/devicetree/bindings/rtc/maxim,ds1742.txt12
-rw-r--r--drivers/rtc/rtc-ds1742.c10
2 files changed, 21 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt
new file mode 100644
index 000000000000..d0f937c355b5
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt
@@ -0,0 +1,12 @@
+* Maxim (Dallas) DS1742/DS1743 Real Time Clock
+
+Required properties:
+- compatible: Should contain "maxim,ds1742".
+- reg: Physical base address of the RTC and length of memory
+ mapped region.
+
+Example:
+ rtc: rtc@10000000 {
+ compatible = "maxim,ds1742";
+ reg = <0x10000000 0x800>;
+ };
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 17b73fdc3b6e..d7f74f5e9090 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -13,12 +13,13 @@
*/
#include <linux/bcd.h>
-#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/gfp.h>
#include <linux/delay.h>
#include <linux/jiffies.h>
#include <linux/rtc.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/module.h>
@@ -215,12 +216,19 @@ static int ds1742_rtc_remove(struct platform_device *pdev)
return 0;
}
+static struct of_device_id __maybe_unused ds1742_rtc_of_match[] = {
+ { .compatible = "maxim,ds1742", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ds1742_rtc_of_match);
+
static struct platform_driver ds1742_rtc_driver = {
.probe = ds1742_rtc_probe,
.remove = ds1742_rtc_remove,
.driver = {
.name = "rtc-ds1742",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(ds1742_rtc_of_match),
},
};

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