From 39ce4084a604a3ef0e2836e074c02bbbcc7c1509 Mon Sep 17 00:00:00 2001 From: Thomas Abraham Date: Mon, 24 Oct 2011 14:49:04 +0200 Subject: rtc: rtc-s3c: Add device tree support Add device tree based discovery support for Samsung's rtc controller. Cc: Ben Dooks Signed-off-by: Thomas Abraham Acked-by: Grant Likely Signed-off-by: Kukjin Kim --- drivers/rtc/rtc-s3c.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'drivers/rtc/rtc-s3c.c') 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 #include #include +#include #include #include @@ -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, }, }; -- cgit v1.2.3