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authorYoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>2007-05-11 16:33:30 +0400
committerRalf Baechle <ralf@linux-mips.org>2007-05-11 17:28:33 +0400
commitb0cc114c04c114b933661eba329d9776c0eab74c (patch)
tree1d797d048c600eeb083b11d5d289d2061b7021d4 /arch/mips/cobalt
parentfb82a3a7674e754729c2e31183b538e39a900e5b (diff)
downloadlinux-b0cc114c04c114b933661eba329d9776c0eab74c.tar.xz
[MIPS] Use RTC_CMOS for Cobalt
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/cobalt')
-rw-r--r--arch/mips/cobalt/Makefile2
-rw-r--r--arch/mips/cobalt/rtc.c63
2 files changed, 64 insertions, 1 deletions
diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile
index 444166651872..c292f80a8c74 100644
--- a/arch/mips/cobalt/Makefile
+++ b/arch/mips/cobalt/Makefile
@@ -2,7 +2,7 @@
# Makefile for the Cobalt micro systems family specific parts of the kernel
#
-obj-y := buttons.o irq.o reset.o serial.o setup.o
+obj-y := buttons.o irq.o reset.o rtc.o serial.o setup.o
obj-$(CONFIG_PCI) += pci.o
obj-$(CONFIG_EARLY_PRINTK) += console.o
diff --git a/arch/mips/cobalt/rtc.c b/arch/mips/cobalt/rtc.c
new file mode 100644
index 000000000000..284daefc5c55
--- /dev/null
+++ b/arch/mips/cobalt/rtc.c
@@ -0,0 +1,63 @@
+/*
+ * Registration of Cobalt RTC platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ * 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/platform_device.h>
+
+static struct resource cobalt_rtc_resource[] __initdata = {
+ {
+ .start = 0x70,
+ .end = 0x77,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .start = 8,
+ .end = 8,
+ .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);