From: Marek Vasut <[email protected]>
Signed-off-by: Marek Vasut <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: [email protected]
Cc: Grant Likely <[email protected]>
Cc: [email protected]
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>
---
Changes since v2:
* Back out the dts changes from the patch, so that it could be merged
through rtc tree if that's the case.
* The first interrupt has to be rtc alarm interrupt, and that's the
only one that driver tries to get. Fix binding document for that.
.../devicetree/bindings/rtc/stmp3xxx-rtc.txt | 16 ++++++++++++++++
drivers/rtc/rtc-stmp3xxx.c | 8 ++++++++
2 files changed, 24 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt
diff --git a/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt
b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt
new file mode 100644
index 0000000..b800070
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt
@@ -0,0 +1,16 @@
+* STMP3xxx/i.MX28 Time Clock controller
+
+Required properties:
+- compatible: should be one of the following.
+ * "fsl,stmp3xxx-rtc"
+- reg: physical base address of the controller and length of memory mapped
+ region.
+- interrupts: rtc alarm interrupt
+
+Example:
+
+rtc@80056000 {
+ compatible = "fsl,imx28-rtc", "fsl,stmp3xxx-rtc";
+ reg = <0x80056000 2000>;
+ interrupts = <29>;
+};
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index 1028786..739ef556 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -25,6 +25,7 @@
#include <linux/interrupt.h>
#include <linux/rtc.h>
#include <linux/slab.h>
+#include <linux/of_device.h>
#include <mach/common.h>
@@ -265,6 +266,12 @@ static int stmp3xxx_rtc_resume(struct platform_device *dev)
#define stmp3xxx_rtc_resume NULL
#endif
+static const struct of_device_id rtc_dt_ids[] = {
+ { .compatible = "fsl,stmp3xxx-rtc", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, rtc_dt_ids);
+
static struct platform_driver stmp3xxx_rtcdrv = {
.probe = stmp3xxx_rtc_probe,
.remove = stmp3xxx_rtc_remove,
@@ -273,6 +280,7 @@ static struct platform_driver stmp3xxx_rtcdrv = {
.driver = {
.name = "stmp3xxx-rtc",
.owner = THIS_MODULE,
+ .of_match_table = rtc_dt_ids,
},
};
--
1.7.5.4
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