imx3: Add rtc platform device support

This patch adds support for build-in RTC device found on
Freescale imx31 and imx35 SoCs.

Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 20 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index f8911154a9fa..1ffed283d6cd 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -588,6 +588,25 @@ struct platform_device imx_wdt_device0 = {
         .resource       = imx_wdt_resources,
 };
 
+static struct resource imx_rtc_resources[] = {
+        {
+                .start  = MX31_RTC_BASE_ADDR,
+                .end    = MX31_RTC_BASE_ADDR + 0x3fff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = MX31_INT_RTC,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device imx_rtc_device0 = {
+        .name           = "mxc_rtc",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(imx_rtc_resources),
+        .resource       = imx_rtc_resources,
+};
+
 static int __init mx3_devices_init(void)
 {
         if (cpu_is_mx31()) {
diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
index 4f77eb501274..b1687ad72052 100644
--- a/arch/arm/mach-mx3/devices.h
+++ b/arch/arm/mach-mx3/devices.h
@@ -27,3 +27,4 @@ extern struct platform_device imx_ssi_device0;
 extern struct platform_device imx_ssi_device1;
 extern struct platform_device imx_ssi_device1;
 extern struct platform_device imx_wdt_device0;
+extern struct platform_device imx_rtc_device0;