summaryrefslogtreecommitdiff
path: root/include/linux/platform_data/rtc-v3020.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/platform_data/rtc-v3020.h')
-rw-r--r--include/linux/platform_data/rtc-v3020.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/linux/platform_data/rtc-v3020.h b/include/linux/platform_data/rtc-v3020.h
new file mode 100644
index 000000000000..e55d82cebf80
--- /dev/null
+++ b/include/linux/platform_data/rtc-v3020.h
@@ -0,0 +1,41 @@
+/*
+ * v3020.h - Registers definition and platform data structure for the v3020 RTC.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006, 8D Technologies inc.
+ */
+#ifndef __LINUX_V3020_H
+#define __LINUX_V3020_H
+
+/* The v3020 has only one data pin but which one
+ * is used depends on the board. */
+struct v3020_platform_data {
+ int leftshift; /* (1<<(leftshift)) & readl() */
+
+ unsigned int use_gpio:1;
+ unsigned int gpio_cs;
+ unsigned int gpio_wr;
+ unsigned int gpio_rd;
+ unsigned int gpio_io;
+};
+
+#define V3020_STATUS_0 0x00
+#define V3020_STATUS_1 0x01
+#define V3020_SECONDS 0x02
+#define V3020_MINUTES 0x03
+#define V3020_HOURS 0x04
+#define V3020_MONTH_DAY 0x05
+#define V3020_MONTH 0x06
+#define V3020_YEAR 0x07
+#define V3020_WEEK_DAY 0x08
+#define V3020_WEEK 0x09
+
+#define V3020_IS_COMMAND(val) ((val)>=0x0E)
+
+#define V3020_CMD_RAM2CLOCK 0x0E
+#define V3020_CMD_CLOCK2RAM 0x0F
+
+#endif /* __LINUX_V3020_H */