mfd: Add S5M core driver
S5M series are pmic including mutiple functional devices.
It can support PMIC, RTC, Battery charger, codec.
This patch implement core driver for s5m series.
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/s5m87xx/s5m-rtc.h b/include/linux/mfd/s5m87xx/s5m-rtc.h
new file mode 100644
index 0000000..6ce8da2
--- /dev/null
+++ b/include/linux/mfd/s5m87xx/s5m-rtc.h
@@ -0,0 +1,84 @@
+/*
+ * s5m-rtc.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd
+ * http://www.samsung.com
+ *
+ * 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.
+ *
+ */
+
+#ifndef __LINUX_MFD_S5M_RTC_H
+#define __LINUX_MFD_S5M_RTC_H
+
+enum s5m87xx_rtc_reg {
+ S5M87XX_RTC_SEC,
+ S5M87XX_RTC_MIN,
+ S5M87XX_RTC_HOUR,
+ S5M87XX_RTC_WEEKDAY,
+ S5M87XX_RTC_DATE,
+ S5M87XX_RTC_MONTH,
+ S5M87XX_RTC_YEAR1,
+ S5M87XX_RTC_YEAR2,
+ S5M87XX_ALARM0_SEC,
+ S5M87XX_ALARM0_MIN,
+ S5M87XX_ALARM0_HOUR,
+ S5M87XX_ALARM0_WEEKDAY,
+ S5M87XX_ALARM0_DATE,
+ S5M87XX_ALARM0_MONTH,
+ S5M87XX_ALARM0_YEAR1,
+ S5M87XX_ALARM0_YEAR2,
+ S5M87XX_ALARM1_SEC,
+ S5M87XX_ALARM1_MIN,
+ S5M87XX_ALARM1_HOUR,
+ S5M87XX_ALARM1_WEEKDAY,
+ S5M87XX_ALARM1_DATE,
+ S5M87XX_ALARM1_MONTH,
+ S5M87XX_ALARM1_YEAR1,
+ S5M87XX_ALARM1_YEAR2,
+ S5M87XX_ALARM0_CONF,
+ S5M87XX_ALARM1_CONF,
+ S5M87XX_RTC_STATUS,
+ S5M87XX_WTSR_SMPL_CNTL,
+ S5M87XX_RTC_UDR_CON,
+};
+
+#define RTC_I2C_ADDR (0x0C >> 1)
+
+#define HOUR_12 (1 << 7)
+#define HOUR_AMPM (1 << 6)
+#define HOUR_PM (1 << 5)
+#define ALARM0_STATUS (1 << 1)
+#define ALARM1_STATUS (1 << 2)
+#define UPDATE_AD (1 << 0)
+
+/* RTC Control Register */
+#define BCD_EN_SHIFT 0
+#define BCD_EN_MASK (1 << BCD_EN_SHIFT)
+#define MODEL24_SHIFT 1
+#define MODEL24_MASK (1 << MODEL24_SHIFT)
+/* RTC Update Register1 */
+#define RTC_UDR_SHIFT 0
+#define RTC_UDR_MASK (1 << RTC_UDR_SHIFT)
+/* RTC Hour register */
+#define HOUR_PM_SHIFT 6
+#define HOUR_PM_MASK (1 << HOUR_PM_SHIFT)
+/* RTC Alarm Enable */
+#define ALARM_ENABLE_SHIFT 7
+#define ALARM_ENABLE_MASK (1 << ALARM_ENABLE_SHIFT)
+
+enum {
+ RTC_SEC = 0,
+ RTC_MIN,
+ RTC_HOUR,
+ RTC_WEEKDAY,
+ RTC_DATE,
+ RTC_MONTH,
+ RTC_YEAR1,
+ RTC_YEAR2,
+};
+
+#endif /* __LINUX_MFD_S5M_RTC_H */