Patchwork [2/2] rtc-imxdi: Add devicetree support

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Submitter stigge@antcom.de
Date Oct. 18, 2012, 4:06 p.m.
Message ID <1350576370-29098-2-git-send-email-stigge@antcom.de>
Download mbox | patch
Permalink /patch/192376/
State New
Headers show

Comments

stigge@antcom.de - Oct. 18, 2012, 4:06 p.m.
This patch adds device tree support to the rtc-imxdi driver.

Signed-off-by: Roland Stigge <stigge@antcom.de>
---
 Documentation/devicetree/bindings/rtc/imxdi-rtc.txt |   17 +++++++++++++++++
 drivers/rtc/rtc-imxdi.c                             |   11 +++++++++++
 2 files changed, 28 insertions(+)
Sascha Hauer - Oct. 29, 2012, 9 p.m.
On Thu, Oct 18, 2012 at 06:06:09PM +0200, Roland Stigge wrote:
> This patch adds device tree support to the rtc-imxdi driver.
> 
> Signed-off-by: Roland Stigge <stigge@antcom.de>

Acked-by: Sascha Hauer <s.hauer@pengutronix.de>


> ---
>  Documentation/devicetree/bindings/rtc/imxdi-rtc.txt |   17 +++++++++++++++++
>  drivers/rtc/rtc-imxdi.c                             |   11 +++++++++++
>  2 files changed, 28 insertions(+)
> 
> --- /dev/null
> +++ linux-2.6/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt
> @@ -0,0 +1,17 @@
> +* i.MX25 Real Time Clock controller
> +
> +This binding supports the following chips: i.MX25, i.MX53
> +
> +Required properties:
> +- compatible: should be: "fsl,imx25-rtc"
> +- reg: physical base address of the controller and length of memory mapped
> +  region.
> +- interrupts: rtc alarm interrupt
> +
> +Example:
> +
> +rtc@80056000 {
> +	compatible = "fsl,imx53-rtc", "fsl,imx25-rtc";
> +	reg = <0x80056000 2000>;
> +	interrupts = <29>;
> +};
> --- linux-2.6.orig/drivers/rtc/rtc-imxdi.c
> +++ linux-2.6/drivers/rtc/rtc-imxdi.c
> @@ -37,6 +37,7 @@
>  #include <linux/rtc.h>
>  #include <linux/sched.h>
>  #include <linux/workqueue.h>
> +#include <linux/of.h>
>  
>  /* DryIce Register Definitions */
>  
> @@ -493,10 +494,20 @@ static int __devexit dryice_rtc_remove(s
>  	return 0;
>  }
>  
> +#ifdef CONFIG_OF
> +static const struct of_device_id dryice_dt_ids[] = {
> +	{ .compatible = "fsl,imx25-rtc" },
> +	{ /* sentinel */ }
> +};
> +
> +MODULE_DEVICE_TABLE(of, dryice_dt_ids);
> +#endif
> +
>  static struct platform_driver dryice_rtc_driver = {
>  	.driver = {
>  		   .name = "imxdi_rtc",
>  		   .owner = THIS_MODULE,
> +		   .of_match_table = of_match_ptr(dryice_dt_ids),
>  		   },
>  	.remove = __devexit_p(dryice_rtc_remove),
>  };
>

Patch

--- /dev/null
+++ linux-2.6/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt
@@ -0,0 +1,17 @@ 
+* i.MX25 Real Time Clock controller
+
+This binding supports the following chips: i.MX25, i.MX53
+
+Required properties:
+- compatible: should be: "fsl,imx25-rtc"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+- interrupts: rtc alarm interrupt
+
+Example:
+
+rtc@80056000 {
+	compatible = "fsl,imx53-rtc", "fsl,imx25-rtc";
+	reg = <0x80056000 2000>;
+	interrupts = <29>;
+};
--- linux-2.6.orig/drivers/rtc/rtc-imxdi.c
+++ linux-2.6/drivers/rtc/rtc-imxdi.c
@@ -37,6 +37,7 @@ 
 #include <linux/rtc.h>
 #include <linux/sched.h>
 #include <linux/workqueue.h>
+#include <linux/of.h>
 
 /* DryIce Register Definitions */
 
@@ -493,10 +494,20 @@  static int __devexit dryice_rtc_remove(s
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id dryice_dt_ids[] = {
+	{ .compatible = "fsl,imx25-rtc" },
+	{ /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(of, dryice_dt_ids);
+#endif
+
 static struct platform_driver dryice_rtc_driver = {
 	.driver = {
 		   .name = "imxdi_rtc",
 		   .owner = THIS_MODULE,
+		   .of_match_table = of_match_ptr(dryice_dt_ids),
 		   },
 	.remove = __devexit_p(dryice_rtc_remove),
 };