Messages in this thread Patch in this message | | | From | Johan Hovold <> | Subject | [RFC 2/5] rtc-at91rm9200: add device-tree support | Date | Fri, 29 Mar 2013 17:03:46 +0100 |
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Add device tree support. --- drivers/rtc/rtc-at91rm9200.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 5bae0a1..67260f9 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -28,6 +28,7 @@ #include <linux/ioctl.h> #include <linux/completion.h> #include <linux/io.h> +#include <linux/of.h> #include <asm/uaccess.h> @@ -255,9 +256,30 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id) static const struct at91_rtc_config at91rm9200_config = { }; +#if defined(CONFIG_OF) +static const struct of_device_id at91_rtc_dt_ids[] = { + { + .compatible = "atmel,at91rm9200-rtc", + .data = &at91rm9200_config, + }, + /* terminator */ + } +}; +MODULE_DEVICE_TABLE(of, at91_rtc_dt_ids); +#endif + static const struct at91_rtc_config * at91_rtc_get_config(struct platform_device *pdev) { + const struct of_device_id *match; + + if (pdev->dev.of_node) { + match = of_match_node(at91_rtc_dt_ids, pdev->dev.of_node); + if (!match) + return NULL; + return (const struct at91_rtc_config *)match->data; + } + return &at91rm9200_config; } @@ -403,6 +425,7 @@ static struct platform_driver at91_rtc_driver = { .driver = { .name = "at91_rtc", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(at91_rtc_dt_ids), .pm = at91_rtc_pm_ptr, }, }; -- 1.8.1.5
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