power: max77693: Add max77693 charger dirver.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>

2 files changed, 185 insertions, 0 deletions

diff --git a/include/linux/mfd/max77693.h b/include/linux/mfd/max77693.h
index 77d82074b1d..f42ae8ab78a 100644
--- a/include/linux/mfd/max77693.h
+++ b/include/linux/mfd/max77693.h
@@ -54,6 +54,11 @@ struct max77693_reg_data {
 	u8 data;
 };
 
+struct max77693_charger_platform_data {
+	struct max77693_reg_data *init_data;
+	int num_init_data;
+};
+
 struct max77693_muic_platform_data {
 	struct max77693_reg_data *init_data;
 	int num_init_data;
@@ -78,6 +83,9 @@ struct max77693_platform_data {
 	struct max77693_regulator_data *regulators;
 	int num_regulators;
 
+	/* charger data */
+	struct max77693_charger_platform_data *charger_data;
+
 	/* muic data */
 	struct max77693_muic_platform_data *muic_data;
 };
diff --git a/include/linux/power/max77693_charger.h b/include/linux/power/max77693_charger.h
new file mode 100644
index 00000000000..0ad2f39c79c
--- /dev/null
+++ b/include/linux/power/max77693_charger.h
@@ -0,0 +1,177 @@
+/*
+ * max77693_charger.h
+ * Samsung max77693 Charger Header
+ *
+ * Copyright (C) 2012 Samsung Electronics, Inc.
+ *
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+#ifndef __MAX77693_CHARGER_H
+#define __MAX77693_CHARGER_H __FILE__
+#include <linux/mfd/core.h>
+#include <linux/mfd/max77693_sec.h>
+#include <linux/mfd/max77693-private_sec.h>
+#include <linux/regulator/machine.h>
+
+#define ENABLE 1
+#define DISABLE 0
+
+/* macro */
+#define MAX(x, y)	((x) > (y) ? (x) : (y))
+#define MIN(x, y)	((x) < (y) ? (x) : (y))
+#define ABS(x)		((x) < 0 ? (-1 * (x)) : (x))
+/*
+ * Use for battery
+ */
+#define OFF_CURR	0	/* charger off current */
+#define KEEP_CURR	-1	/* keep previous current */
+
+/* MAX77693_CHG_REG_CHG_INT */
+#define MAX77693_BYP_I                  (1 << 0)
+#if defined(CONFIG_CHARGER_MAX77803)
+#define MAX77693_BATP_I			(1 << 2)
+#else
+#define MAX77693_THM_I                  (1 << 2)
+#endif
+#define MAX77693_BAT_I                  (1 << 3)
+#define MAX77693_CHG_I                  (1 << 4)
+#if defined(CONFIG_CHARGER_MAX77803)
+#define MAX77693_WCIN_I			(1 << 5)
+#endif
+#define MAX77693_CHGIN_I                (1 << 6)
+
+/* MAX77693_CHG_REG_CHG_INT_MASK */
+#define MAX77693_BYP_IM                 (1 << 0)
+#define MAX77693_THM_IM                 (1 << 2)
+#define MAX77693_BAT_IM                 (1 << 3)
+#define MAX77693_CHG_IM                 (1 << 4)
+#if defined(CONFIG_CHARGER_MAX77803)
+#define MAX77693_WCIN_IM		(1 << 5)
+#endif
+#define MAX77693_CHGIN_IM               (1 << 6)
+
+/* MAX77693_CHG_REG_CHG_INT_OK */
+#define MAX77693_BYP_OK                 0x01
+#define MAX77693_BYP_OK_SHIFT           0
+#if defined(CONFIG_CHARGER_MAX77803)
+#define MAX77693_BATP_OK		0x04
+#define MAX77693_BATP_OK_SHIFT		2
+#else
+#define MAX77693_THM_OK                 0x04
+#define MAX77693_THM_OK_SHIFT           2
+#endif
+#define MAX77693_BAT_OK                 0x08
+#define MAX77693_BAT_OK_SHIFT           3
+#define MAX77693_CHG_OK                 0x10
+#define MAX77693_CHG_OK_SHIFT           4
+#if defined(CONFIG_CHARGER_MAX77803)
+#define MAX77693_WCIN_OK		0x20
+#define MAX77693_WCIN_OK_SHIFT		5
+#endif
+#define MAX77693_CHGIN_OK               0x40
+#define MAX77693_CHGIN_OK_SHIFT         6
+#define MAX77693_DETBAT                 0x80
+#define MAX77693_DETBAT_SHIFT           7
+
+/* MAX77693_CHG_REG_CHG_DTLS_00 */
+#if defined(CONFIG_CHARGER_MAX77803)
+#define MAX77693_BATP_DTLS		0x01
+#define MAX77693_BATP_DTLS_SHIFT	0
+#else
+#define MAX77693_THM_DTLS               0x07
+#define MAX77693_THM_DTLS_SHIFT         0
+#endif
+#if defined(CONFIG_CHARGER_MAX77803)
+#define MAX77693_WCIN_DTLS		0x18
+#define MAX77693_WCIN_DTLS_SHIFT	3
+#endif
+#define MAX77693_CHGIN_DTLS             0x60
+#define MAX77693_CHGIN_DTLS_SHIFT       5
+
+/* MAX77693_CHG_REG_CHG_DTLS_01 */
+#define MAX77693_CHG_DTLS               0x0F
+#define MAX77693_CHG_DTLS_SHIFT         0
+#define MAX77693_BAT_DTLS               0x70
+#define MAX77693_BAT_DTLS_SHIFT         4
+
+/* MAX77693_CHG_REG_CHG_DTLS_02 */
+#define MAX77693_BYP_DTLS               0x0F
+#define MAX77693_BYP_DTLS_SHIFT         0
+#define MAX77693_BYP_DTLS0      0x1
+#define MAX77693_BYP_DTLS1      0x2
+#define MAX77693_BYP_DTLS2      0x4
+#define MAX77693_BYP_DTLS3      0x8
+
+/* MAX77693_CHG_REG_CHG_CNFG_00 */
+#define MAX77693_MODE_DEFAULT   0x04
+#define MAX77693_MODE_CHGR      0x01
+#define MAX77693_MODE_OTG       0x02
+#define MAX77693_MODE_BUCK      0x04
+
+/* MAX77693_CHG_REG_CHG_CNFG_02 */
+#define MAX77693_CHG_CC         0x3F
+
+/* MAX77693_CHG_REG_CHG_CNFG_03 */
+#define MAX77693_CHG_TO_ITH		0x07
+
+/* MAX77693_CHG_REG_CHG_CNFG_04 */
+#define MAX77693_CHG_MINVSYS_MASK       0xE0
+#define MAX77693_CHG_MINVSYS_SHIFT      5
+#define MAX77693_CHG_PRM_MASK           0x1F
+#define MAX77693_CHG_PRM_SHIFT          0
+
+/* MAX77693_CHG_REG_CHG_CNFG_09 */
+#define MAX77693_CHG_CHGIN_LIM  0x7F
+
+/* MAX77693_CHG_REG_CHG_CNFG_12 */
+#define MAX77693_CHG_WCINSEL		0x40
+
+/* MAX77693_MUIC_REG_CDETCTRL1 */
+#define MAX77693_CHGTYPMAN              0x02
+#define MAX77693_CHGTYPMAN_SHIFT        1
+
+/* MAX77693_MUIC_REG_STATUS2 */
+#define MAX77693_VBVOLT                 0x40
+#define MAX77693_VBVOLT_SHIFT           6
+#define MAX77693_CHGDETRUN              0x08
+#define MAX77693_CHGDETRUN_SHIFT        3
+#define MAX77693_CHGTYPE                0x07
+#define MAX77693_CHGTYPE_SHIFT          0
+
+/* irq */
+#define IRQ_DEBOUNCE_TIME       20      /* msec */
+
+/* charger type detection */
+#define DET_ERR_RETRY   5
+#define DET_ERR_DELAY   200
+
+/* soft charging */
+#define SOFT_CHG_START_CURR     100     /* mA */
+#define SOFT_CHG_START_DUR      100     /* ms */
+#define SOFT_CHG_CURR_STEP      100     /* mA */
+#define SOFT_CHG_STEP_DUR       20      /* ms */
+
+#define DEFAULT_AC_CURRENT	1600	/* mA */
+#define DEFAULT_USB_CURRENT	500	/* mA */
+
+#ifndef CONFIG_MACH_SLP_ADONIS
+enum {
+	POWER_SUPPLY_VBUS_UNKNOWN = 0,
+	POWER_SUPPLY_VBUS_UVLO,
+	POWER_SUPPLY_VBUS_WEAK,
+	POWER_SUPPLY_VBUS_OVLO,
+	POWER_SUPPLY_VBUS_GOOD,
+};
+#endif
+
+extern sec_battery_platform_data_t sec_battery_pdata;
+#endif