[PATCHv2 1/2] ARM: vt8500: Minor update to vt8500-rtc for devicetree support

From: Tony Prisk
Date: Sat Jul 21 2012 - 07:20:26 EST


Signed-off-by: Tony Prisk <linux@xxxxxxxxxxxxxxx>
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
---
v2:
Split single patch into seperate patches.
Correct documentation.
.../devicetree/bindings/rtc/vt8500-rtc.txt | 14 ++++++++++++++
drivers/rtc/rtc-vt8500.c | 8 ++++++++
2 files changed, 22 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/rtc/vt8500-rtc.txt

diff --git a/Documentation/devicetree/bindings/rtc/vt8500-rtc.txt b/Documentation/devicetree/bindings/rtc/vt8500-rtc.txt
new file mode 100644
index 0000000..c764d4d
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/vt8500-rtc.txt
@@ -0,0 +1,14 @@
+* VIA VT8500 and Wondermedia WM8xxx SoC Real-time clock (RTC) Controller
+
+Required properties:
+- compatible : "via,vt8500-rtc"
+- reg : Address range of the rtc registers
+- interrupt: Should contain the rtc interrupt number
+
+Example:
+
+ rtc@d8100000 {
+ compatible = "via,vt8500-rtc";
+ reg = <0xd8100000 0x2c>;
+ interrupts = <48>;
+ };
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index 9e94fb1..d21fcd3 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -23,6 +23,7 @@
#include <linux/bcd.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/of.h>

/*
* Register definitions
@@ -302,12 +303,18 @@ static int __devexit vt8500_rtc_remove(struct platform_device *pdev)
return 0;
}

+static const struct of_device_id vt8500_rtc_ids[] = {
+ { .compatible = "via,vt8500-rtc", },
+ {}
+};
+
static struct platform_driver vt8500_rtc_driver = {
.probe = vt8500_rtc_probe,
.remove = __devexit_p(vt8500_rtc_remove),
.driver = {
.name = "vt8500-rtc",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(vt8500_rtc_ids),
},
};

@@ -317,3 +324,4 @@ MODULE_AUTHOR("Alexey Charkov <alchark@xxxxxxxxx>");
MODULE_DESCRIPTION("VIA VT8500 SoC Realtime Clock Driver (RTC)");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:vt8500-rtc");
+MODULE_DEVICE_TABLE(of, vt8500_rtc_ids);
--
1.7.2.5

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