The patch titled
Subject: drivers/rtc/rtc-isl12022.c: device tree support
has been added to the -mm tree. Its filename is
drivers-rtc-rtc-isl12022c-device-tree-support.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/drivers-rtc-rtc-isl12022c-device-tree-support.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/drivers-rtc-rtc-isl12022c-device-tree-support.patch
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------------------------------------------------------
From: Stuart Longland <stuartl@xxxxxxxxxx>
Subject: drivers/rtc/rtc-isl12022.c: device tree support
Add support for configuring the ISL12022 real-time clock via the Device
tree framework. This is based on what I've seen in the related ISL12057
driver, it has been tested and works on a Technologic Systems TS-7670
device which uses a ISL12020 RTC device, my device tree looks like this:
apbx@80040000 {
i2c0: i2c@80058000 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
clock-frequency = <400000>;
status = "okay";
isl12022@0x6f {
compatible = "isl,isl12022";
reg = <0x6f>;
};
};
... etc
};
Signed-off-by: Stuart Longland <stuartl@xxxxxxxxxx>
Cc: Roman Fietze <roman.fietze@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-isl12022.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff -puN drivers/rtc/rtc-isl12022.c~drivers-rtc-rtc-isl12022c-device-tree-support drivers/rtc/rtc-isl12022.c
--- a/drivers/rtc/rtc-isl12022.c~drivers-rtc-rtc-isl12022c-device-tree-support
+++ a/drivers/rtc/rtc-isl12022.c
@@ -17,6 +17,8 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#define DRV_VERSION "0.1"
@@ -271,6 +273,13 @@ static int isl12022_probe(struct i2c_cli
return PTR_ERR_OR_ZERO(isl12022->rtc);
}
+#ifdef CONFIG_OF
+static struct of_device_id isl12022_dt_match[] = {
+ { .compatible = "isl,isl12022" },
+ { },
+};
+#endif
+
static const struct i2c_device_id isl12022_id[] = {
{ "isl12022", 0 },
{ }
@@ -280,6 +289,9 @@ MODULE_DEVICE_TABLE(i2c, isl12022_id);
static struct i2c_driver isl12022_driver = {
.driver = {
.name = "rtc-isl12022",
+#ifdef CONFIG_OF
+ .of_match_table = of_match_ptr(isl12022_dt_match),
+#endif
},
.probe = isl12022_probe,
.id_table = isl12022_id,
_
Patches currently in -mm which might be from stuartl@xxxxxxxxxx are
drivers-rtc-rtc-isl12022c-device-tree-support.patch
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