From: Joshua Clayton <stillcompiling-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: mark.rutland-5wv7dgnIgG8@public.gmane.org
Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
pawel.moll-5wv7dgnIgG8@public.gmane.org,
ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org,
galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org,
grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
Joshua Clayton
<stillcompiling-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: [PATCH] rtc: rtc-pfc2123: Add support for devicetree
Date: Mon, 29 Dec 2014 10:28:46 -0800 [thread overview]
Message-ID: <1419877726-8458-1-git-send-email-stillcompiling@gmail.com> (raw)
Add compatible string "nxp,rtc-pcf2123"
Document the binding
Signed-off-by: Joshua Clayton <stillcompiling-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt | 16 ++++++++++++++++
drivers/rtc/rtc-pcf2123.c | 10 ++++++++++
2 files changed, 26 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
diff --git a/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt b/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
new file mode 100644
index 0000000..5cbc0b1
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
@@ -0,0 +1,16 @@
+NXP PCF2123 SPI Real Time Clock
+
+Required properties:
+- compatible: should be: "nxp,rtc-pcf2123"
+- reg: should be the SPI slave chipselect address
+
+Optional properties:
+- spi-cs-high: PCF2123 needs chipselect high
+
+Example:
+
+rtc: nxp,rtc-pcf2123@3 {
+ compatible = "nxp,rtc-pcf2123"
+ reg = <3>
+ spi-cs-high;
+};
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index d1953bb..8a7556c 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -38,6 +38,7 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/of.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/rtc.h>
@@ -340,10 +341,19 @@ static int pcf2123_remove(struct spi_device *spi)
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id pcf2123_dt_ids[] = {
+ { .compatible = "nxp,rtc-pcf2123", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, pcf2123_dt_ids);
+#endif
+
static struct spi_driver pcf2123_driver = {
.driver = {
.name = "rtc-pcf2123",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(pcf2123_dt_ids),
},
.probe = pcf2123_probe,
.remove = pcf2123_remove,
--
2.1.0
--
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WARNING: multiple messages have this Message-ID (diff)
From: Joshua Clayton <stillcompiling@gmail.com>
To: mark.rutland@arm.com
Cc: robh+dt@kernel.org, pawel.moll@arm.com,
ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
a.zummo@towertech.it, grant.likely@linaro.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
rtc-linux@googlegroups.com,
Joshua Clayton <stillcompiling@gmail.com>
Subject: [PATCH] rtc: rtc-pfc2123: Add support for devicetree
Date: Mon, 29 Dec 2014 10:28:46 -0800 [thread overview]
Message-ID: <1419877726-8458-1-git-send-email-stillcompiling@gmail.com> (raw)
Add compatible string "nxp,rtc-pcf2123"
Document the binding
Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
---
Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt | 16 ++++++++++++++++
drivers/rtc/rtc-pcf2123.c | 10 ++++++++++
2 files changed, 26 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
diff --git a/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt b/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
new file mode 100644
index 0000000..5cbc0b1
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/nxp,rtc-2123.txt
@@ -0,0 +1,16 @@
+NXP PCF2123 SPI Real Time Clock
+
+Required properties:
+- compatible: should be: "nxp,rtc-pcf2123"
+- reg: should be the SPI slave chipselect address
+
+Optional properties:
+- spi-cs-high: PCF2123 needs chipselect high
+
+Example:
+
+rtc: nxp,rtc-pcf2123@3 {
+ compatible = "nxp,rtc-pcf2123"
+ reg = <3>
+ spi-cs-high;
+};
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index d1953bb..8a7556c 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -38,6 +38,7 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/of.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/rtc.h>
@@ -340,10 +341,19 @@ static int pcf2123_remove(struct spi_device *spi)
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id pcf2123_dt_ids[] = {
+ { .compatible = "nxp,rtc-pcf2123", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, pcf2123_dt_ids);
+#endif
+
static struct spi_driver pcf2123_driver = {
.driver = {
.name = "rtc-pcf2123",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(pcf2123_dt_ids),
},
.probe = pcf2123_probe,
.remove = pcf2123_remove,
--
2.1.0
next reply other threads:[~2014-12-29 18:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-29 18:28 Joshua Clayton [this message]
2014-12-29 18:28 ` [PATCH] rtc: rtc-pfc2123: Add support for devicetree Joshua Clayton
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