Re: [PATCH 2/2] rtc-imxdi: Add devicetree support

[Sascha Hauer]

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@xxxxxxxxx>

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


> ---
>  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),
>  };
> 

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