From: Alexander Shiyan <shc_work@mail.ru>
To: rtc-linux@googlegroups.com
Cc: Alessandro Zummo <a.zummo@towertech.it>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
Grant Likely <grant.likely@linaro.org>,
Rob Herring <rob.herring@calxeda.com>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Stephen Warren <swarren@wwwdotorg.org>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Alexander Shiyan <shc_work@mail.ru>
Subject: [PATCH] rtc: rtc-ds1742: Add devicetree support
Date: Thu, 14 Nov 2013 16:32:42 +0400 [thread overview]
Message-ID: <1384432362-26102-1-git-send-email-shc_work@mail.ru> (raw)
This patch allows the driver to be enabled with devicetree.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
Documentation/devicetree/bindings/rtc/maxim,ds1742.txt | 14 ++++++++++++++
drivers/rtc/rtc-ds1742.c | 10 +++++++++-
2 files changed, 23 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/rtc/maxim,ds1742.txt
diff --git a/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt
new file mode 100644
index 0000000..d2ddd71
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt
@@ -0,0 +1,14 @@
+* Maxim (Dallas) DS1742/DS1743 Real Time Clock
+
+Register a Maxim DS1742-compatible RTC.
+
+Required properties:
+- compatible: Should be "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 17b73fd..d7f74f5 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),
},
};
--
1.8.1.5
next reply other threads:[~2013-11-14 12:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-14 12:32 Alexander Shiyan [this message]
2013-11-15 11:31 ` Mark Rutland
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