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authorLinus Torvalds <torvalds@linux-foundation.org>2014-10-15 04:56:23 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-15 04:56:23 (GMT)
commit50fa86172bec2769979b5eb0cd1a244391ae4bb0 (patch)
tree5fd4949b031e1362af8b226d6372da2604de13ff /include
parent6b0490816671b2f4126a99998c9bf3c8c0472de2 (diff)
parent7881c64716f3a7d60b325ed0ad4d15f49b474a43 (diff)
Merge tag 'for-v3.18' of git://git.infradead.org/battery-2.6
Pull power supply and reset updates from Sebastian Reichel: - Initial support for the following chips * max77836 (charger) * max14577 (charger) * bq27742 (battery gauge) * ltc2952 (poweroff) * stih416 (restart) * syscon-reboot (restart) * gpio-restart (restart) - cleanup of power supply core - misc fixes in power supply and reset drivers * tag 'for-v3.18' of git://git.infradead.org/battery-2.6: (48 commits) power: ab8500_fg: Fix build warning Documentation: charger: max14577: Update the date of introducing ABI power: reset: corrections for simple syscon reboot driver Documentation: power: reset: Add documentation for generic SYSCON reboot driver power: reset: Add generic SYSCON register mapped reset bq27x00_battery: Fix flag reading for bq27742 power: reset: use restart_notifier mechanism for msm-poweroff power: Add simple gpio-restart driver power: reset: st: Provide DT bindings for ST's Power Reset driver power: reset: Add restart functionality for STiH41x platforms power: charger-manager: Fix NULL pointer exception with missing cm-fuel-gauge power: max14577: Fix circular config SYSFS dependency power: gpio-charger: do not use gpio value directly power: max8925: Use of_get_child_by_name power: max8925: Fix NULL ptr dereference on memory allocation failure bq27x00_battery: Add support to bq27742 Documentation: charger: max14577: Document exported sysfs entry devicetree: mfd: max14577: Add device tree bindings document power: max17040: Add ID for MAX77836 Fuel Gauge block charger: max14577: Configure battery-dependent settings from DTS and sysfs ... Conflicts: drivers/power/reset/Kconfig drivers/power/reset/Makefile
Diffstat (limited to 'include')
-rw-r--r--include/linux/mfd/max14577-private.h95
-rw-r--r--include/linux/mfd/max14577.h30
-rw-r--r--include/linux/power_supply.h8
3 files changed, 106 insertions, 27 deletions
diff --git a/include/linux/mfd/max14577-private.h b/include/linux/mfd/max14577-private.h
index 4992536..f01c1fa 100644
--- a/include/linux/mfd/max14577-private.h
+++ b/include/linux/mfd/max14577-private.h
@@ -72,15 +72,33 @@ enum max14577_muic_reg {
MAX14577_MUIC_REG_END,
};
+/*
+ * Combined charger types for max14577 and max77836.
+ *
+ * On max14577 three lower bits map to STATUS2/CHGTYP field.
+ * However the max77836 has different two last values of STATUS2/CHGTYP.
+ * To indicate the difference enum has two additional values for max77836.
+ * These values are just a register value bitwise OR with 0x8.
+ */
enum max14577_muic_charger_type {
- MAX14577_CHARGER_TYPE_NONE = 0,
- MAX14577_CHARGER_TYPE_USB,
- MAX14577_CHARGER_TYPE_DOWNSTREAM_PORT,
- MAX14577_CHARGER_TYPE_DEDICATED_CHG,
- MAX14577_CHARGER_TYPE_SPECIAL_500MA,
- MAX14577_CHARGER_TYPE_SPECIAL_1A,
- MAX14577_CHARGER_TYPE_RESERVED,
- MAX14577_CHARGER_TYPE_DEAD_BATTERY = 7,
+ MAX14577_CHARGER_TYPE_NONE = 0x0,
+ MAX14577_CHARGER_TYPE_USB = 0x1,
+ MAX14577_CHARGER_TYPE_DOWNSTREAM_PORT = 0x2,
+ MAX14577_CHARGER_TYPE_DEDICATED_CHG = 0x3,
+ MAX14577_CHARGER_TYPE_SPECIAL_500MA = 0x4,
+ /* Special 1A or 2A charger */
+ MAX14577_CHARGER_TYPE_SPECIAL_1A = 0x5,
+ /* max14577: reserved, used on max77836 */
+ MAX14577_CHARGER_TYPE_RESERVED = 0x6,
+ /* max14577: dead-battery charing with maximum current 100mA */
+ MAX14577_CHARGER_TYPE_DEAD_BATTERY = 0x7,
+ /*
+ * max77836: special charger (bias on D+/D-),
+ * matches register value of 0x6
+ */
+ MAX77836_CHARGER_TYPE_SPECIAL_BIAS = 0xe,
+ /* max77836: reserved, register value 0x7 */
+ MAX77836_CHARGER_TYPE_RESERVED = 0xf,
};
/* MAX14577 interrupts */
@@ -121,13 +139,15 @@ enum max14577_muic_charger_type {
#define STATUS2_CHGTYP_SHIFT 0
#define STATUS2_CHGDETRUN_SHIFT 3
#define STATUS2_DCDTMR_SHIFT 4
-#define STATUS2_DBCHG_SHIFT 5
+#define MAX14577_STATUS2_DBCHG_SHIFT 5
+#define MAX77836_STATUS2_DXOVP_SHIFT 5
#define STATUS2_VBVOLT_SHIFT 6
#define MAX77836_STATUS2_VIDRM_SHIFT 7
#define STATUS2_CHGTYP_MASK (0x7 << STATUS2_CHGTYP_SHIFT)
#define STATUS2_CHGDETRUN_MASK BIT(STATUS2_CHGDETRUN_SHIFT)
#define STATUS2_DCDTMR_MASK BIT(STATUS2_DCDTMR_SHIFT)
-#define STATUS2_DBCHG_MASK BIT(STATUS2_DBCHG_SHIFT)
+#define MAX14577_STATUS2_DBCHG_MASK BIT(MAX14577_STATUS2_DBCHG_SHIFT)
+#define MAX77836_STATUS2_DXOVP_MASK BIT(MAX77836_STATUS2_DXOVP_SHIFT)
#define STATUS2_VBVOLT_MASK BIT(STATUS2_VBVOLT_SHIFT)
#define MAX77836_STATUS2_VIDRM_MASK BIT(MAX77836_STATUS2_VIDRM_SHIFT)
@@ -177,9 +197,11 @@ enum max14577_muic_charger_type {
#define CTRL3_JIGSET_SHIFT 0
#define CTRL3_BOOTSET_SHIFT 2
#define CTRL3_ADCDBSET_SHIFT 4
+#define CTRL3_WBTH_SHIFT 6
#define CTRL3_JIGSET_MASK (0x3 << CTRL3_JIGSET_SHIFT)
#define CTRL3_BOOTSET_MASK (0x3 << CTRL3_BOOTSET_SHIFT)
#define CTRL3_ADCDBSET_MASK (0x3 << CTRL3_ADCDBSET_SHIFT)
+#define CTRL3_WBTH_MASK (0x3 << CTRL3_WBTH_SHIFT)
/* Slave addr = 0x4A: Charger */
enum max14577_charger_reg {
@@ -210,16 +232,20 @@ enum max14577_charger_reg {
#define CDETCTRL1_CHGTYPMAN_SHIFT 1
#define CDETCTRL1_DCDEN_SHIFT 2
#define CDETCTRL1_DCD2SCT_SHIFT 3
-#define CDETCTRL1_DCHKTM_SHIFT 4
-#define CDETCTRL1_DBEXIT_SHIFT 5
+#define MAX14577_CDETCTRL1_DCHKTM_SHIFT 4
+#define MAX77836_CDETCTRL1_CDLY_SHIFT 4
+#define MAX14577_CDETCTRL1_DBEXIT_SHIFT 5
+#define MAX77836_CDETCTRL1_DCDCPL_SHIFT 5
#define CDETCTRL1_DBIDLE_SHIFT 6
#define CDETCTRL1_CDPDET_SHIFT 7
#define CDETCTRL1_CHGDETEN_MASK BIT(CDETCTRL1_CHGDETEN_SHIFT)
#define CDETCTRL1_CHGTYPMAN_MASK BIT(CDETCTRL1_CHGTYPMAN_SHIFT)
#define CDETCTRL1_DCDEN_MASK BIT(CDETCTRL1_DCDEN_SHIFT)
#define CDETCTRL1_DCD2SCT_MASK BIT(CDETCTRL1_DCD2SCT_SHIFT)
-#define CDETCTRL1_DCHKTM_MASK BIT(CDETCTRL1_DCHKTM_SHIFT)
-#define CDETCTRL1_DBEXIT_MASK BIT(CDETCTRL1_DBEXIT_SHIFT)
+#define MAX14577_CDETCTRL1_DCHKTM_MASK BIT(MAX14577_CDETCTRL1_DCHKTM_SHIFT)
+#define MAX77836_CDETCTRL1_CDDLY_MASK BIT(MAX77836_CDETCTRL1_CDDLY_SHIFT)
+#define MAX14577_CDETCTRL1_DBEXIT_MASK BIT(MAX14577_CDETCTRL1_DBEXIT_SHIFT)
+#define MAX77836_CDETCTRL1_DCDCPL_MASK BIT(MAX77836_CDETCTRL1_DCDCPL_SHIFT)
#define CDETCTRL1_DBIDLE_MASK BIT(CDETCTRL1_DBIDLE_SHIFT)
#define CDETCTRL1_CDPDET_MASK BIT(CDETCTRL1_CDPDET_SHIFT)
@@ -255,17 +281,36 @@ enum max14577_charger_reg {
#define CHGCTRL7_OTPCGHCVS_SHIFT 0
#define CHGCTRL7_OTPCGHCVS_MASK (0x3 << CHGCTRL7_OTPCGHCVS_SHIFT)
-/* MAX14577 regulator current limits (as in CHGCTRL4 register), uA */
-#define MAX14577_REGULATOR_CURRENT_LIMIT_MIN 90000
-#define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START 200000
-#define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP 50000
-#define MAX14577_REGULATOR_CURRENT_LIMIT_MAX 950000
-
-/* MAX77836 regulator current limits (as in CHGCTRL4 register), uA */
-#define MAX77836_REGULATOR_CURRENT_LIMIT_MIN 45000
-#define MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_START 100000
-#define MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_STEP 25000
-#define MAX77836_REGULATOR_CURRENT_LIMIT_MAX 475000
+/* MAX14577 charger current limits (as in CHGCTRL4 register), uA */
+#define MAX14577_CHARGER_CURRENT_LIMIT_MIN 90000U
+#define MAX14577_CHARGER_CURRENT_LIMIT_HIGH_START 200000U
+#define MAX14577_CHARGER_CURRENT_LIMIT_HIGH_STEP 50000U
+#define MAX14577_CHARGER_CURRENT_LIMIT_MAX 950000U
+
+/* MAX77836 charger current limits (as in CHGCTRL4 register), uA */
+#define MAX77836_CHARGER_CURRENT_LIMIT_MIN 45000U
+#define MAX77836_CHARGER_CURRENT_LIMIT_HIGH_START 100000U
+#define MAX77836_CHARGER_CURRENT_LIMIT_HIGH_STEP 25000U
+#define MAX77836_CHARGER_CURRENT_LIMIT_MAX 475000U
+
+/*
+ * MAX14577 charger End-Of-Charge current limits
+ * (as in CHGCTRL5 register), uA
+ */
+#define MAX14577_CHARGER_EOC_CURRENT_LIMIT_MIN 50000U
+#define MAX14577_CHARGER_EOC_CURRENT_LIMIT_STEP 10000U
+#define MAX14577_CHARGER_EOC_CURRENT_LIMIT_MAX 200000U
+
+/*
+ * MAX14577/MAX77836 Battery Constant Voltage
+ * (as in CHGCTRL3 register), uV
+ */
+#define MAXIM_CHARGER_CONSTANT_VOLTAGE_MIN 4000000U
+#define MAXIM_CHARGER_CONSTANT_VOLTAGE_STEP 20000U
+#define MAXIM_CHARGER_CONSTANT_VOLTAGE_MAX 4350000U
+
+/* Default value for fast charge timer, in hours */
+#define MAXIM_CHARGER_FAST_CHARGE_TIMER_DEFAULT 5
/* MAX14577 regulator SFOUT LDO voltage, fixed, uV */
#define MAX14577_REGULATOR_SAFEOUT_VOLTAGE 4900000
diff --git a/include/linux/mfd/max14577.h b/include/linux/mfd/max14577.h
index c83fbed..ccfaf95 100644
--- a/include/linux/mfd/max14577.h
+++ b/include/linux/mfd/max14577.h
@@ -54,6 +54,13 @@ struct max14577_regulator_platform_data {
struct device_node *of_node;
};
+struct max14577_charger_platform_data {
+ u32 constant_uvolt;
+ u32 fast_charge_uamp;
+ u32 eoc_uamp;
+ u32 ovp_uvolt;
+};
+
/*
* MAX14577 MFD platform data
*/
@@ -74,4 +81,27 @@ struct max14577_platform_data {
struct max14577_regulator_platform_data *regulators;
};
+/*
+ * Valid limits of current for max14577 and max77836 chargers.
+ * They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4
+ * register for given chipset.
+ */
+struct maxim_charger_current {
+ /* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */
+ unsigned int min;
+ /*
+ * Minimal current when high setting is active,
+ * set in CHGCTRL4/MBCICHWRCH, uA
+ */
+ unsigned int high_start;
+ /* Value of one step in high setting, uA */
+ unsigned int high_step;
+ /* Maximum current of high setting, uA */
+ unsigned int max;
+};
+
+extern const struct maxim_charger_current maxim_charger_currents[];
+extern int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits,
+ unsigned int min_ua, unsigned int max_ua, u8 *dst);
+
#endif /* __MAX14577_H__ */
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index f3dea41..3ed0496 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -18,8 +18,6 @@
#include <linux/spinlock.h>
#include <linux/notifier.h>
-struct device;
-
/*
* All voltages, currents, charges, energies, time and temperatures in uV,
* µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise
@@ -102,9 +100,11 @@ enum power_supply_property {
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_VOLTAGE_AVG,
POWER_SUPPLY_PROP_VOLTAGE_OCV,
+ POWER_SUPPLY_PROP_VOLTAGE_BOOT,
POWER_SUPPLY_PROP_CURRENT_MAX,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CURRENT_AVG,
+ POWER_SUPPLY_PROP_CURRENT_BOOT,
POWER_SUPPLY_PROP_POWER_NOW,
POWER_SUPPLY_PROP_POWER_AVG,
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
@@ -146,6 +146,7 @@ enum power_supply_property {
POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
POWER_SUPPLY_PROP_SCOPE,
POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
+ POWER_SUPPLY_PROP_CALIBRATE,
/* Properties of type `const char *' */
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_MANUFACTURER,
@@ -172,6 +173,7 @@ union power_supply_propval {
const char *strval;
};
+struct device;
struct device_node;
struct power_supply {
@@ -291,6 +293,7 @@ static inline bool power_supply_is_amp_property(enum power_supply_property psp)
case POWER_SUPPLY_PROP_CURRENT_MAX:
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_CURRENT_AVG:
+ case POWER_SUPPLY_PROP_CURRENT_BOOT:
return 1;
default:
break;
@@ -315,6 +318,7 @@ static inline bool power_supply_is_watt_property(enum power_supply_property psp)
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
case POWER_SUPPLY_PROP_VOLTAGE_AVG:
case POWER_SUPPLY_PROP_VOLTAGE_OCV:
+ case POWER_SUPPLY_PROP_VOLTAGE_BOOT:
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
case POWER_SUPPLY_PROP_POWER_NOW:

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