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Diffstat (limited to 'arch/mips/cobalt/rtc.c')
-rw-r--r--arch/mips/cobalt/rtc.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/cobalt/rtc.c b/arch/mips/cobalt/rtc.c
new file mode 100644
index 000000000..a6bc75ada
--- /dev/null
+++ b/arch/mips/cobalt/rtc.c
@@ -0,0 +1,64 @@
+/*
+ * Registration of Cobalt RTC platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/mc146818rtc.h>
+#include <linux/platform_device.h>
+
+static struct resource cobalt_rtc_resource[] __initdata = {
+ {
+ .start = 0x70,
+ .end = 0x77,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .start = RTC_IRQ,
+ .end = RTC_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static __init int cobalt_rtc_add(void)
+{
+ struct platform_device *pdev;
+ int retval;
+
+ pdev = platform_device_alloc("rtc_cmos", -1);
+ if (!pdev)
+ return -ENOMEM;
+
+ retval = platform_device_add_resources(pdev, cobalt_rtc_resource,
+ ARRAY_SIZE(cobalt_rtc_resource));
+ if (retval)
+ goto err_free_device;
+
+ retval = platform_device_add(pdev);
+ if (retval)
+ goto err_free_device;
+
+ return 0;
+
+err_free_device:
+ platform_device_put(pdev);
+
+ return retval;
+}
+device_initcall(cobalt_rtc_add);