This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / linux / m41t00.h

diff --git a/include/linux/m41t00.h b/include/linux/m41t00.h
new file mode 100644 (file)
index 0000000..b423360
--- /dev/null
+++ b/include/linux/m41t00.h
@@ -0,0 +1,50 @@
+/*
+ * Definitions for the ST M41T00 family of i2c rtc chips.
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2005, 2006 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#ifndef _M41T00_H
+#define _M41T00_H
+
+#define        M41T00_DRV_NAME         "m41t00"
+#define        M41T00_I2C_ADDR         0x68
+
+#define        M41T00_TYPE_M41T00      0
+#define        M41T00_TYPE_M41T81      81
+#define        M41T00_TYPE_M41T85      85
+
+struct m41t00_platform_data {
+       u8      type;
+       u8      i2c_addr;
+       u8      sqw_freq;
+};
+
+/* SQW output disabled, this is default value by power on */
+#define M41T00_SQW_DISABLE     (0)
+
+#define M41T00_SQW_32KHZ       (1<<4)          /* 32.768 KHz */
+#define M41T00_SQW_8KHZ                (2<<4)          /* 8.192 KHz */
+#define M41T00_SQW_4KHZ                (3<<4)          /* 4.096 KHz */
+#define M41T00_SQW_2KHZ                (4<<4)          /* 2.048 KHz */
+#define M41T00_SQW_1KHZ                (5<<4)          /* 1.024 KHz */
+#define M41T00_SQW_512HZ       (6<<4)          /* 512 Hz */
+#define M41T00_SQW_256HZ       (7<<4)          /* 256 Hz */
+#define M41T00_SQW_128HZ       (8<<4)          /* 128 Hz */
+#define M41T00_SQW_64HZ                (9<<4)          /* 64 Hz */
+#define M41T00_SQW_32HZ                (10<<4)         /* 32 Hz */
+#define M41T00_SQW_16HZ                (11<<4)         /* 16 Hz */
+#define M41T00_SQW_8HZ         (12<<4)         /* 8 Hz */
+#define M41T00_SQW_4HZ         (13<<4)         /* 4 Hz */
+#define M41T00_SQW_2HZ         (14<<4)         /* 2 Hz */
+#define M41T00_SQW_1HZ         (15<<4)         /* 1 Hz */
+
+extern ulong m41t00_get_rtc_time(void);
+extern int m41t00_set_rtc_time(ulong nowtime);
+
+#endif /* _M41T00_H */