1 files changed, 31 insertions, 3 deletions

diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index cd0106293a49..7304139934aa 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -17,8 +17,6 @@
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 
-#include <mach/hardware.h>
-
 #define RTC_INPUT_CLK_32768HZ   (0x00 << 5)
 #define RTC_INPUT_CLK_32000HZ   (0x01 << 5)
 #define RTC_INPUT_CLK_38400HZ   (0x02 << 5)
@@ -72,14 +70,38 @@ static const u32 PIE_BIT_DEF[MAX_PIE_NUM][2] = {
 #define RTC_TEST2       0x2C    /*  32bit rtc test reg 2 */
 #define RTC_TEST3       0x30    /*  32bit rtc test reg 3 */
 
+enum imx_rtc_type {
+        IMX1_RTC,
+        IMX21_RTC,
+};
+
 struct rtc_plat_data {
         struct rtc_device *rtc;
         void __iomem *ioaddr;
         int irq;
         struct clk *clk;
         struct rtc_time g_rtc_alarm;
+        enum imx_rtc_type devtype;
 };
 
+static struct platform_device_id imx_rtc_devtype[] = {
+        {
+                .name = "imx1-rtc",
+                .driver_data = IMX1_RTC,
+        }, {
+                .name = "imx21-rtc",
+                .driver_data = IMX21_RTC,
+        }, {
+                /* sentinel */
+        }
+};
+MODULE_DEVICE_TABLE(platform, imx_rtc_devtype);
+
+static inline int is_imx1_rtc(struct rtc_plat_data *data)
+{
+        return data->devtype == IMX1_RTC;
+}
+
 /*
  * This function is used to obtain the RTC time or the alarm value in
  * second.
@@ -278,10 +300,13 @@ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm)
  */
 static int mxc_rtc_set_mmss(struct device *dev, unsigned long time)
 {
+        struct platform_device *pdev = to_platform_device(dev);
+        struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
+
         /*
          * TTC_DAYR register is 9-bit in MX1 SoC, save time and day of year only
          */
-        if (cpu_is_mx1()) {
+        if (is_imx1_rtc(pdata)) {
                 struct rtc_time tm;
 
                 rtc_time_to_tm(time, &tm);
@@ -360,6 +385,8 @@ static int __devinit mxc_rtc_probe(struct platform_device *pdev)
         if (!pdata)
                 return -ENOMEM;
 
+        pdata->devtype = pdev->id_entry->driver_data;
+
         if (!devm_request_mem_region(&pdev->dev, res->start,
                                      resource_size(res), pdev->name))
                 return -EBUSY;
@@ -480,6 +507,7 @@ static struct platform_driver mxc_rtc_driver = {
 #endif
                    .owner       = THIS_MODULE,
         },
+        .id_table = imx_rtc_devtype,
         .probe = mxc_rtc_probe,
         .remove = __devexit_p(mxc_rtc_remove),
 };