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* [PATCH V2] rtc/spear: Add Device Tree probing capability
@ 2012-03-26 11:48 ` Viresh Kumar
  0 siblings, 0 replies; 2+ messages in thread
From: Viresh Kumar @ 2012-03-26 11:48 UTC (permalink / raw)
  To: akpm
  Cc: spear-devel, viresh.linux, devicetree-discuss, rajeev-dlh.kumar,
	sr, rtc-linux, a.zummo, linux-kernel, Viresh Kumar

SPEAr platforms now support DT and so must convert all drivers support DT. This
patch adds DT probing support for rtc and updates its documentation too.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
---
Changes in V2:
- updated compatible to spear600-rtc instead of spear-rtc

 Documentation/devicetree/bindings/rtc/spear-rtc.txt |   18 ++++++++++++++++++
 drivers/rtc/rtc-spear.c                             |   10 ++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/spear-rtc.txt

diff --git a/Documentation/devicetree/bindings/rtc/spear-rtc.txt b/Documentation/devicetree/bindings/rtc/spear-rtc.txt
new file mode 100644
index 0000000..153946e
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/spear-rtc.txt
@@ -0,0 +1,18 @@
+* SPEAr RTC
+
+Required properties:
+- compatible : "st,spear600-rtc"
+- reg : Address range of the rtc registers
+- interrupt-parent: Should be the phandle for the interrupt controller
+  that services interrupts for this device
+- interrupt: Should contain the rtc interrupt number
+
+Example:
+
+	rtc@fc000000 {
+		compatible = "st,spear600-rtc";
+		reg = <0xfc000000 0x1000>;
+		interrupt-parent = <&vic1>;
+		interrupts = <12>;
+	};
+
diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index e38da0d..1f76320 100644
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -16,6 +16,7 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/rtc.h>
 #include <linux/slab.h>
@@ -519,6 +520,14 @@ static void spear_rtc_shutdown(struct platform_device *pdev)
 	clk_disable(config->clk);
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id spear_rtc_id_table[] = {
+	{ .compatible = "st,spear600-rtc" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, spear_rtc_id_table);
+#endif
+
 static struct platform_driver spear_rtc_driver = {
 	.probe = spear_rtc_probe,
 	.remove = __devexit_p(spear_rtc_remove),
@@ -527,6 +536,7 @@ static struct platform_driver spear_rtc_driver = {
 	.shutdown = spear_rtc_shutdown,
 	.driver = {
 		.name = "rtc-spear",
+		.of_match_table = of_match_ptr(spear_rtc_id_table),
 	},
 };
 
-- 
1.7.10.rc2.10.gb47606


^ permalink raw reply related	[flat|nested] 2+ messages in thread
* [PATCH V2] rtc/spear: Add Device Tree probing capability
@ 2012-03-26 11:48 ` Viresh Kumar
  0 siblings, 0 replies; 2+ messages in thread
From: Viresh Kumar @ 2012-03-26 11:48 UTC (permalink / raw)
  To: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b
  Cc: a.zummo-BfzFCNDTiLLj+vYz1yj4TQ, Viresh Kumar,
	rajeev-dlh.kumar-qxv4g6HH51o, rtc-linux-/JYPxA39Uh5TLH3MbocFFw,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ,
	spear-devel-nkJGhpqTU55BDgjK7y7TUQ,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA,
	viresh.linux-Re5JQEeQqe8AvxtiuMwx3w, sr-ynQEQJNshbs

SPEAr platforms now support DT and so must convert all drivers support DT. This
patch adds DT probing support for rtc and updates its documentation too.

Signed-off-by: Viresh Kumar <viresh.kumar-qxv4g6HH51o@public.gmane.org>
---
Changes in V2:
- updated compatible to spear600-rtc instead of spear-rtc

 Documentation/devicetree/bindings/rtc/spear-rtc.txt |   18 ++++++++++++++++++
 drivers/rtc/rtc-spear.c                             |   10 ++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/spear-rtc.txt

diff --git a/Documentation/devicetree/bindings/rtc/spear-rtc.txt b/Documentation/devicetree/bindings/rtc/spear-rtc.txt
new file mode 100644
index 0000000..153946e
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/spear-rtc.txt
@@ -0,0 +1,18 @@
+* SPEAr RTC
+
+Required properties:
+- compatible : "st,spear600-rtc"
+- reg : Address range of the rtc registers
+- interrupt-parent: Should be the phandle for the interrupt controller
+  that services interrupts for this device
+- interrupt: Should contain the rtc interrupt number
+
+Example:
+
+	rtc@fc000000 {
+		compatible = "st,spear600-rtc";
+		reg = <0xfc000000 0x1000>;
+		interrupt-parent = <&vic1>;
+		interrupts = <12>;
+	};
+
diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index e38da0d..1f76320 100644
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -16,6 +16,7 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/rtc.h>
 #include <linux/slab.h>
@@ -519,6 +520,14 @@ static void spear_rtc_shutdown(struct platform_device *pdev)
 	clk_disable(config->clk);
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id spear_rtc_id_table[] = {
+	{ .compatible = "st,spear600-rtc" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, spear_rtc_id_table);
+#endif
+
 static struct platform_driver spear_rtc_driver = {
 	.probe = spear_rtc_probe,
 	.remove = __devexit_p(spear_rtc_remove),
@@ -527,6 +536,7 @@ static struct platform_driver spear_rtc_driver = {
 	.shutdown = spear_rtc_shutdown,
 	.driver = {
 		.name = "rtc-spear",
+		.of_match_table = of_match_ptr(spear_rtc_id_table),
 	},
 };
 
-- 
1.7.10.rc2.10.gb47606

^ permalink raw reply related	[flat|nested] 2+ messages in thread
end of thread, other threads:[~2012-03-26 11:49 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2012-03-26 11:48 [PATCH V2] rtc/spear: Add Device Tree probing capability Viresh Kumar
2012-03-26 11:48 ` Viresh Kumar

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