DaVinci: DM365: Enable DaVinci RTC support for DM365 EVM

The general structures are defined at DM365 SoC file and the specific
platform data structure for the EVM is defined at board file.

Signed-off-by: Miguel Aguilar <miguel.aguilar@ridgerun.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index c12bb005..2ec619e 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -699,6 +699,7 @@
 	[IRQ_I2C]			= 3,
 	[IRQ_UARTINT0]			= 3,
 	[IRQ_UARTINT1]			= 3,
+	[IRQ_DM365_RTCINT]		= 3,
 	[IRQ_DM365_SPIINT0_0]		= 3,
 	[IRQ_DM365_SPIINT3_0]		= 3,
 	[IRQ_DM365_GPIO0]		= 3,
@@ -834,6 +835,25 @@
 	.resource	= dm365_asp_resources,
 };
 
+static struct resource dm365_rtc_resources[] = {
+	{
+		.start = DM365_RTC_BASE,
+		.end = DM365_RTC_BASE + SZ_1K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_DM365_RTCINT,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dm365_rtc_device = {
+	.name = "rtc_davinci",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(dm365_rtc_resources),
+	.resource = dm365_rtc_resources,
+};
+
 static struct map_desc dm365_io_desc[] = {
 	{
 		.virtual	= IO_VIRT,
@@ -978,6 +998,12 @@
 	platform_device_register(&dm365_ks_device);
 }
 
+void __init dm365_init_rtc(void)
+{
+	davinci_cfg_reg(DM365_INT_PRTCSS);
+	platform_device_register(&dm365_rtc_device);
+}
+
 void __init dm365_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm365);