power_supply: PCF50633 battery charger driver

Signed-off-by: Balaji Rao <balajirrao@openmoko.org>
Cc: Andy Green <andy@openmoko.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>

1 files changed, 134 insertions, 0 deletions

diff --git a/include/linux/mfd/pcf50633/mbc.h b/include/linux/mfd/pcf50633/mbc.h
new file mode 100644
index 000000000000..6e17619b773a
--- /dev/null
+++ b/include/linux/mfd/pcf50633/mbc.h
@@ -0,0 +1,134 @@
+/*
+ * mbc.h  -- Driver for NXP PCF50633 Main Battery Charger
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * All rights reserved.
+ *
+ * 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_PCF50633_MBC_H
+#define __LINUX_MFD_PCF50633_MBC_H
+
+#include <linux/mfd/pcf50633/core.h>
+#include <linux/platform_device.h>
+
+#define PCF50633_REG_MBCC1      0x43
+#define PCF50633_REG_MBCC2      0x44
+#define PCF50633_REG_MBCC3      0x45
+#define PCF50633_REG_MBCC4      0x46
+#define PCF50633_REG_MBCC5      0x47
+#define PCF50633_REG_MBCC6      0x48
+#define PCF50633_REG_MBCC7      0x49
+#define PCF50633_REG_MBCC8      0x4a
+#define PCF50633_REG_MBCS1      0x4b
+#define PCF50633_REG_MBCS2      0x4c
+#define PCF50633_REG_MBCS3      0x4d
+
+enum pcf50633_reg_mbcc1 {
+        PCF50633_MBCC1_CHGENA           = 0x01, /* Charger enable */
+        PCF50633_MBCC1_AUTOSTOP         = 0x02,
+        PCF50633_MBCC1_AUTORES          = 0x04, /* automatic resume */
+        PCF50633_MBCC1_RESUME           = 0x08, /* explicit resume cmd */
+        PCF50633_MBCC1_RESTART          = 0x10, /* restart charging */
+        PCF50633_MBCC1_PREWDTIME_60M    = 0x20, /* max. precharging time */
+        PCF50633_MBCC1_WDTIME_1H        = 0x00,
+        PCF50633_MBCC1_WDTIME_2H        = 0x40,
+        PCF50633_MBCC1_WDTIME_4H        = 0x80,
+        PCF50633_MBCC1_WDTIME_6H        = 0xc0,
+};
+#define PCF50633_MBCC1_WDTIME_MASK        0xc0
+
+enum pcf50633_reg_mbcc2 {
+        PCF50633_MBCC2_VBATCOND_2V7     = 0x00,
+        PCF50633_MBCC2_VBATCOND_2V85    = 0x01,
+        PCF50633_MBCC2_VBATCOND_3V0     = 0x02,
+        PCF50633_MBCC2_VBATCOND_3V15    = 0x03,
+        PCF50633_MBCC2_VMAX_4V          = 0x00,
+        PCF50633_MBCC2_VMAX_4V20        = 0x28,
+        PCF50633_MBCC2_VRESDEBTIME_64S  = 0x80, /* debounce time (32/64sec) */
+};
+
+enum pcf50633_reg_mbcc7 {
+        PCF50633_MBCC7_USB_100mA        = 0x00,
+        PCF50633_MBCC7_USB_500mA        = 0x01,
+        PCF50633_MBCC7_USB_1000mA       = 0x02,
+        PCF50633_MBCC7_USB_SUSPEND      = 0x03,
+        PCF50633_MBCC7_BATTEMP_EN       = 0x04,
+        PCF50633_MBCC7_BATSYSIMAX_1A6   = 0x00,
+        PCF50633_MBCC7_BATSYSIMAX_1A8   = 0x40,
+        PCF50633_MBCC7_BATSYSIMAX_2A0   = 0x80,
+        PCF50633_MBCC7_BATSYSIMAX_2A2   = 0xc0,
+};
+#define PCF50633_MBCC7_USB_MASK 0x03
+
+enum pcf50633_reg_mbcc8 {
+        PCF50633_MBCC8_USBENASUS        = 0x10,
+};
+
+enum pcf50633_reg_mbcs1 {
+        PCF50633_MBCS1_USBPRES          = 0x01,
+        PCF50633_MBCS1_USBOK            = 0x02,
+        PCF50633_MBCS1_ADAPTPRES        = 0x04,
+        PCF50633_MBCS1_ADAPTOK          = 0x08,
+        PCF50633_MBCS1_TBAT_OK          = 0x00,
+        PCF50633_MBCS1_TBAT_ABOVE       = 0x10,
+        PCF50633_MBCS1_TBAT_BELOW       = 0x20,
+        PCF50633_MBCS1_TBAT_UNDEF       = 0x30,
+        PCF50633_MBCS1_PREWDTEXP        = 0x40,
+        PCF50633_MBCS1_WDTEXP           = 0x80,
+};
+
+enum pcf50633_reg_mbcs2_mbcmod {
+        PCF50633_MBCS2_MBC_PLAY         = 0x00,
+        PCF50633_MBCS2_MBC_USB_PRE      = 0x01,
+        PCF50633_MBCS2_MBC_USB_PRE_WAIT = 0x02,
+        PCF50633_MBCS2_MBC_USB_FAST     = 0x03,
+        PCF50633_MBCS2_MBC_USB_FAST_WAIT = 0x04,
+        PCF50633_MBCS2_MBC_USB_SUSPEND  = 0x05,
+        PCF50633_MBCS2_MBC_ADP_PRE      = 0x06,
+        PCF50633_MBCS2_MBC_ADP_PRE_WAIT = 0x07,
+        PCF50633_MBCS2_MBC_ADP_FAST     = 0x08,
+        PCF50633_MBCS2_MBC_ADP_FAST_WAIT = 0x09,
+        PCF50633_MBCS2_MBC_BAT_FULL     = 0x0a,
+        PCF50633_MBCS2_MBC_HALT         = 0x0b,
+};
+#define PCF50633_MBCS2_MBC_MASK         0x0f
+enum pcf50633_reg_mbcs2_chgstat {
+        PCF50633_MBCS2_CHGS_NONE        = 0x00,
+        PCF50633_MBCS2_CHGS_ADAPTER     = 0x10,
+        PCF50633_MBCS2_CHGS_USB         = 0x20,
+        PCF50633_MBCS2_CHGS_BOTH        = 0x30,
+};
+#define PCF50633_MBCS2_RESSTAT_AUTO     0x40
+
+enum pcf50633_reg_mbcs3 {
+        PCF50633_MBCS3_USBLIM_PLAY      = 0x01,
+        PCF50633_MBCS3_USBLIM_CGH       = 0x02,
+        PCF50633_MBCS3_TLIM_PLAY        = 0x04,
+        PCF50633_MBCS3_TLIM_CHG         = 0x08,
+        PCF50633_MBCS3_ILIM             = 0x10, /* 1: Ibat > Icutoff */
+        PCF50633_MBCS3_VLIM             = 0x20, /* 1: Vbat == Vmax */
+        PCF50633_MBCS3_VBATSTAT         = 0x40, /* 1: Vbat > Vbatcond */
+        PCF50633_MBCS3_VRES             = 0x80, /* 1: Vbat > Vth(RES) */
+};
+
+#define PCF50633_MBCC2_VBATCOND_MASK      0x03
+#define PCF50633_MBCC2_VMAX_MASK          0x3c
+
+/* Charger status */
+#define PCF50633_MBC_USB_ONLINE         0x01
+#define PCF50633_MBC_USB_ACTIVE         0x02
+#define PCF50633_MBC_ADAPTER_ONLINE     0x04
+#define PCF50633_MBC_ADAPTER_ACTIVE     0x08
+
+int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma);
+
+int pcf50633_mbc_get_status(struct pcf50633 *);
+void pcf50633_mbc_set_status(struct pcf50633 *, int what, int status);
+
+#endif
+