diff options
| author | Thomas Abraham <thomas.abraham@linaro.org> | 2011-10-24 14:49:04 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-12-23 10:07:10 +0900 |
| commit | 39ce4084a604a3ef0e2836e074c02bbbcc7c1509 (patch) | |
| tree | bb66668c9b87406fa248bf7ff26a08368634dad5 /drivers/rtc | |
| parent | b3d6ac3e5f937440a362c0fa187257fa1197f5b9 (diff) | |
| download | lwn-39ce4084a604a3ef0e2836e074c02bbbcc7c1509.tar.gz lwn-39ce4084a604a3ef0e2836e074c02bbbcc7c1509.zip | |
rtc: rtc-s3c: Add device tree support
Add device tree based discovery support for Samsung's rtc controller.
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-s3c.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 5b979d9cc332..175067a17c46 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -25,6 +25,7 @@ #include <linux/clk.h> #include <linux/log2.h> #include <linux/slab.h> +#include <linux/of.h> #include <mach/hardware.h> #include <asm/uaccess.h> @@ -507,7 +508,13 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) goto err_nortc; } - s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data; +#ifdef CONFIG_OF + if (pdev->dev.of_node) + s3c_rtc_cpu_type = of_device_is_compatible(pdev->dev.of_node, + "samsung,s3c6410-rtc") ? TYPE_S3C64XX : TYPE_S3C2410; + else +#endif + s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data; /* Check RTC Time */ @@ -629,6 +636,17 @@ static int s3c_rtc_resume(struct platform_device *pdev) #define s3c_rtc_resume NULL #endif +#ifdef CONFIG_OF +static const struct of_device_id s3c_rtc_dt_match[] = { + { .compatible = "samsung,s3c2410-rtc" }, + { .compatible = "samsung,s3c6410-rtc" }, + {}, +}; +MODULE_DEVICE_TABLE(of, s3c_rtc_dt_match); +#else +#define s3c_rtc_dt_match NULL +#endif + static struct platform_device_id s3c_rtc_driver_ids[] = { { .name = "s3c2410-rtc", @@ -651,6 +669,7 @@ static struct platform_driver s3c_rtc_driver = { .driver = { .name = "s3c-rtc", .owner = THIS_MODULE, + .of_match_table = s3c_rtc_dt_match, }, }; |