[PATCH] rtc: at91rm9200: add DT support
Nicolas Ferre
nicolas.ferre at atmel.com
Fri Mar 8 20:14:23 EST 2013
On 02/14/2013 10:59 PM, Joachim Eastwood :
> Signed-off-by: Joachim Eastwood <manabian at gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>
Alessandro, do you want to queue this one on your side?
Best regards,
> ---
> .../devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt | 15 +++++++++++++++
> drivers/rtc/rtc-at91rm9200.c | 9 +++++++++
> 2 files changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt
>
> diff --git a/Documentation/devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt b/Documentation/devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt
> new file mode 100644
> index 0000000..2a3feab
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt
> @@ -0,0 +1,15 @@
> +Atmel AT91RM9200 Real Time Clock
> +
> +Required properties:
> +- compatible: should be: "atmel,at91rm9200-rtc"
> +- reg: physical base address of the controller and length of memory mapped
> + region.
> +- interrupts: rtc alarm/event interrupt
> +
> +Example:
> +
> +rtc at fffffe00 {
> + compatible = "atmel,at91rm9200-rtc";
> + reg = <0xfffffe00 0x100>;
> + interrupts = <1 4 7>;
> +};
> diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
> index b6469e2..2ea0ee3 100644
> --- a/drivers/rtc/rtc-at91rm9200.c
> +++ b/drivers/rtc/rtc-at91rm9200.c
> @@ -28,6 +28,8 @@
> #include <linux/ioctl.h>
> #include <linux/completion.h>
> #include <linux/io.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
>
> #include <asm/uaccess.h>
>
> @@ -382,12 +384,19 @@ static const struct dev_pm_ops at91_rtc_pm = {
> #define at91_rtc_pm_ptr NULL
> #endif
>
> +static const struct of_device_id at91_rtc_dt_ids[] = {
> + { .compatible = "atmel,at91rm9200-rtc" },
> + { /* sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(of, at91_rtc_dt_ids);
> +
> static struct platform_driver at91_rtc_driver = {
> .remove = __exit_p(at91_rtc_remove),
> .driver = {
> .name = "at91_rtc",
> .owner = THIS_MODULE,
> .pm = at91_rtc_pm_ptr,
> + .of_match_table = of_match_ptr(at91_rtc_dt_ids),
> },
> };
--
Nicolas Ferre
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