ENGR00181094-4: MAX8903: improve battery charger driver

1.change the battery driver's name to sabresd_battery.c ,it
means this driver is only special for sabersd boards.

2.fix battery charger function bugs and improve driver code.

Signed-off-by: Rong Dian <b38775@freescale.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/include/linux/power/sabresd_battery.h b/include/linux/power/sabresd_battery.h
new file mode 100644
index 000000000000..c251a748a0db
--- /dev/null
+++ b/include/linux/power/sabresd_battery.h
@@ -0,0 +1,62 @@
+/*
+ * sabresd_battery.h - Maxim 8903 USB/Adapter Charger Driver
+ *
+ * Copyright (C) 2011 Samsung Electronics
+ * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
+ * Based on max8903_charger.h
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef __MAX8903_SABRESD_H__
+#define __MAX8903_SABRESD_H__
+
+struct max8903_pdata {
+	/*
+	 * GPIOs
+	 * cen, chg, flt, and usus are optional.
+	 * dok, dcm, and uok are not optional depending on the status of
+	 * dc_valid and usb_valid.
+	 */
+	int cen;	/* Charger Enable input */
+	int dok;	/* DC(Adapter) Power OK output */
+	int uok;	/* USB Power OK output */
+	int chg;	/* Charger status output */
+	int flt;	/* Fault output */
+	int dcm;	/* Current-Limit Mode input (1: DC, 2: USB) */
+	int usus;	/* USB Suspend Input (1: suspended) */
+
+    /* DCM wired to Logic High
+       Set this true when DCM pin connect to Logic high.*/
+	bool dcm_always_high;
+
+	/*
+	 * DC(Adapter/TA) is wired
+	 * When dc_valid is true,
+	 *	dok and dcm should be valid.
+	 *
+	 * At least one of dc_valid or usb_valid should be true.
+	 */
+	bool dc_valid;
+	/*
+	 * USB is wired
+	 * When usb_valid is true,
+	 *	uok should be valid.
+	 */
+	bool usb_valid;
+};
+
+#endif /* __SABRESD_BATTERY_H__ */