ARM: mx3: dynamically allocate "mxc_rtc" devices

LAKML-Reference: 1299271882-2130-2-git-send-email-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/devices/platform-mxc_rtc.c b/arch/arm/plat-mxc/devices/platform-mxc_rtc.c
new file mode 100644
index 00000000000..16d0ec4df5f
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-mxc_rtc.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2010-2011 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+#include <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_mxc_rtc_data_entry_single(soc)                              \
+        {                                                               \
+                .iobase = soc ## _RTC_BASE_ADDR,                        \
+                .irq = soc ## _INT_RTC,                                 \
+        }
+
+#ifdef CONFIG_SOC_IMX31
+const struct imx_mxc_rtc_data imx31_mxc_rtc_data __initconst =
+        imx_mxc_rtc_data_entry_single(MX31);
+#endif /* ifdef CONFIG_SOC_IMX31 */
+
+struct platform_device *__init imx_add_mxc_rtc(
+                const struct imx_mxc_rtc_data *data)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobase,
+                        .end = data->iobase + SZ_16K - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = data->irq,
+                        .end = data->irq,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+
+        return imx_add_platform_device("mxc_rtc", -1,
+                        res, ARRAY_SIZE(res), NULL, 0);
+}