diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2014-01-23 15:55:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-23 16:36:59 -0800 |
| commit | 663b35241df1d0ed24be3d17733807cc8723cc4a (patch) | |
| tree | 48980b3f8355edabe1a86aab845e016eb0b3da01 | |
| parent | 1b3d2243d049e062d0dc53b85f0e95db67e114af (diff) | |
drivers/rtc/rtc-ds1742.c: add devicetree support
This patch allows the driver to be enabled with devicetree.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/maxim,ds1742.txt | 12 | ||||
| -rw-r--r-- | drivers/rtc/rtc-ds1742.c | 10 |
2 files changed, 21 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt new file mode 100644 index 000000000000..d0f937c355b5 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt @@ -0,0 +1,12 @@ +* Maxim (Dallas) DS1742/DS1743 Real Time Clock + +Required properties: +- compatible: Should contain "maxim,ds1742". +- reg: Physical base address of the RTC and length of memory + mapped region. + +Example: + rtc: rtc@10000000 { + compatible = "maxim,ds1742"; + reg = <0x10000000 0x800>; + }; diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index 17b73fdc3b6e..d7f74f5e9090 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c @@ -13,12 +13,13 @@ */ #include <linux/bcd.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/gfp.h> #include <linux/delay.h> #include <linux/jiffies.h> #include <linux/rtc.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/io.h> #include <linux/module.h> @@ -215,12 +216,19 @@ static int ds1742_rtc_remove(struct platform_device *pdev) return 0; } +static struct of_device_id __maybe_unused ds1742_rtc_of_match[] = { + { .compatible = "maxim,ds1742", }, + { } +}; +MODULE_DEVICE_TABLE(of, ds1742_rtc_of_match); + static struct platform_driver ds1742_rtc_driver = { .probe = ds1742_rtc_probe, .remove = ds1742_rtc_remove, .driver = { .name = "rtc-ds1742", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(ds1742_rtc_of_match), }, }; |