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authorLinus Torvalds <torvalds@linux-foundation.org>2021-08-30 21:47:32 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-08-30 21:47:32 +0300
commit4520dcbe0df41385288f24e61f322ee97063fa03 (patch)
treec82ce27a80a8e90d564d5cfad307a8a37657f104 /drivers/power/supply
parent0da9bc6d2fc3f98095d69f34c17f7d5730bbcc6c (diff)
parentc9398455b046fc7a44b6dd53d9d6fe4b11c21700 (diff)
downloadlinux-4520dcbe0df41385288f24e61f322ee97063fa03.tar.xz
Merge tag 'for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel: "Battery/charger related: - cros-peripheral-charger: new driver - mt6360-charger: new driver - simple-battery: support reading chemistry info - max17042-battery: add max77849 support - sbs-battery: add time_to_empty_now support - smb347-charger: prepare USB OTG support - rn5t618: add voltage_now support - axp288: cleanup & optimizations - max17042_battery: cleanups - ab8500: cleanups - misc minor cleanups and DT binding fixes reset related: - tps65086-restart: new driver - linkstation-poweroff: support NETGEAR ReadyNAS Duo v2" * tag 'for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (51 commits) power: supply: core: Fix parsing of battery chemistry/technology power: supply: max17042_battery: log SOC threshold using debug log level power: supply: max17042_battery: more robust chip type checks power: supply: max17042_battery: fix typo in MAx17042_TOFF power: supply: max17042_battery: clean up MAX17055_V_empty power: supply: smb347-charger: Implement USB VBUS regulator power: supply: smb347-charger: Add missing pin control activation power: supply: smb347-charger: Utilize generic regmap caching power: supply: smb347-charger: Make smb347_set_writable() IRQ-safe dt-bindings: power: supply: smb347-charger: Document USB VBUS regulator power: reset: Add TPS65086 restart driver dt-bindings: power: supply: max17042: describe interrupt power: supply: max17042: remove duplicated STATUS bit defines power: supply: max17042: handle fails of reading status register power: supply: core: Parse battery chemistry/technology dt-bindings: power: Extend battery bindings with chemistry power: reset: linkstation-poweroff: add new device power: reset: linkstation-poweroff: prepare for new devices power: supply: bq24735: reorganize ChargeOption command macros power: supply: rn5t618: Add voltage_now property ...
Diffstat (limited to 'drivers/power/supply')
-rw-r--r--drivers/power/supply/Kconfig26
-rw-r--r--drivers/power/supply/Makefile4
-rw-r--r--drivers/power/supply/ab8500-bm.h219
-rw-r--r--drivers/power/supply/ab8500_bmdata.c34
-rw-r--r--drivers/power/supply/ab8500_btemp.c22
-rw-r--r--drivers/power/supply/ab8500_chargalg.c (renamed from drivers/power/supply/abx500_chargalg.c)601
-rw-r--r--drivers/power/supply/ab8500_charger.c4
-rw-r--r--drivers/power/supply/ab8500_fg.c20
-rw-r--r--drivers/power/supply/axp288_charger.c11
-rw-r--r--drivers/power/supply/axp288_fuel_gauge.c489
-rw-r--r--drivers/power/supply/bq24735-charger.c27
-rw-r--r--drivers/power/supply/cros_peripheral_charger.c386
-rw-r--r--drivers/power/supply/cw2015_battery.c4
-rw-r--r--drivers/power/supply/max17042_battery.c61
-rw-r--r--drivers/power/supply/mt6360_charger.c867
-rw-r--r--drivers/power/supply/power_supply_core.c19
-rw-r--r--drivers/power/supply/qcom_smbb.c5
-rw-r--r--drivers/power/supply/rn5t618_power.c38
-rw-r--r--drivers/power/supply/sbs-battery.c16
-rw-r--r--drivers/power/supply/sc27xx_fuel_gauge.c4
-rw-r--r--drivers/power/supply/smb347-charger.c271
21 files changed, 2215 insertions, 913 deletions
diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
index 11f5368e810e..fcc7534edcb2 100644
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -358,7 +358,7 @@ config AXP288_CHARGER
config AXP288_FUEL_GAUGE
tristate "X-Powers AXP288 Fuel Gauge"
- depends on MFD_AXP20X && IIO
+ depends on MFD_AXP20X && IIO && IOSF_MBI
help
Say yes here to have support for X-Power power management IC (PMIC)
Fuel Gauge. The device provides battery statistics and status
@@ -577,6 +577,17 @@ config CHARGER_MP2629
Battery charger. This driver provides Battery charger power management
functions on the systems.
+config CHARGER_MT6360
+ tristate "Mediatek MT6360 Charger Driver"
+ depends on MFD_MT6360
+ depends on REGULATOR
+ select LINEAR_RANGES
+ help
+ Say Y here to enable MT6360 Charger Part.
+ The device supports High-Accuracy Voltage/Current Regulation,
+ Average Input Current Regulation, Battery Temperature Sensing,
+ Over-Temperature Protection, DPDM Detection for BC1.2.
+
config CHARGER_QCOM_SMBB
tristate "Qualcomm Switch-Mode Battery Charger and Boost"
depends on MFD_SPMI_PMIC || COMPILE_TEST
@@ -669,6 +680,7 @@ config CHARGER_BQ256XX
config CHARGER_SMB347
tristate "Summit Microelectronics SMB3XX Battery Charger"
depends on I2C
+ depends on REGULATOR
select REGMAP_I2C
help
Say Y to include support for Summit Microelectronics SMB345,
@@ -736,6 +748,16 @@ config CHARGER_CROS_USBPD
what is connected to USB PD ports from the EC and converts
that into power_supply properties.
+config CHARGER_CROS_PCHG
+ tristate "ChromeOS EC based peripheral charger"
+ depends on MFD_CROS_EC_DEV
+ default MFD_CROS_EC_DEV
+ help
+ Say Y here to enable ChromeOS EC based peripheral charge driver.
+ This driver gets various information about the devices connected to
+ the peripheral charge ports from the EC and converts that into
+ power_supply properties.
+
config CHARGER_SC2731
tristate "Spreadtrum SC2731 charger driver"
depends on MFD_SC27XX_PMIC || COMPILE_TEST
@@ -782,6 +804,8 @@ config CHARGER_WILCO
config RN5T618_POWER
tristate "RN5T618 charger/fuel gauge support"
depends on MFD_RN5T618
+ depends on RN5T618_ADC
+ depends on IIO
help
Say Y here to have support for RN5T618 PMIC family fuel gauge and charger.
This driver can also be built as a module. If so, the module will be
diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile
index 33059a91f60c..4e55a11aab79 100644
--- a/drivers/power/supply/Makefile
+++ b/drivers/power/supply/Makefile
@@ -60,7 +60,7 @@ obj-$(CONFIG_BATTERY_TWL4030_MADC) += twl4030_madc_battery.o
obj-$(CONFIG_CHARGER_88PM860X) += 88pm860x_charger.o
obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o
obj-$(CONFIG_BATTERY_RX51) += rx51_battery.o
-obj-$(CONFIG_AB8500_BM) += ab8500_bmdata.o ab8500_charger.o ab8500_fg.o ab8500_btemp.o abx500_chargalg.o
+obj-$(CONFIG_AB8500_BM) += ab8500_bmdata.o ab8500_charger.o ab8500_fg.o ab8500_btemp.o ab8500_chargalg.o
obj-$(CONFIG_CHARGER_CPCAP) += cpcap-charger.o
obj-$(CONFIG_CHARGER_ISP1704) += isp1704_charger.o
obj-$(CONFIG_CHARGER_MAX8903) += max8903_charger.o
@@ -78,6 +78,7 @@ obj-$(CONFIG_CHARGER_MAX77693) += max77693_charger.o
obj-$(CONFIG_CHARGER_MAX8997) += max8997_charger.o
obj-$(CONFIG_CHARGER_MAX8998) += max8998_charger.o
obj-$(CONFIG_CHARGER_MP2629) += mp2629_charger.o
+obj-$(CONFIG_CHARGER_MT6360) += mt6360_charger.o
obj-$(CONFIG_CHARGER_QCOM_SMBB) += qcom_smbb.o
obj-$(CONFIG_CHARGER_BQ2415X) += bq2415x_charger.o
obj-$(CONFIG_CHARGER_BQ24190) += bq24190_charger.o
@@ -93,6 +94,7 @@ obj-$(CONFIG_CHARGER_TPS65217) += tps65217_charger.o
obj-$(CONFIG_AXP288_FUEL_GAUGE) += axp288_fuel_gauge.o
obj-$(CONFIG_AXP288_CHARGER) += axp288_charger.o
obj-$(CONFIG_CHARGER_CROS_USBPD) += cros_usbpd-charger.o
+obj-$(CONFIG_CHARGER_CROS_PCHG) += cros_peripheral_charger.o
obj-$(CONFIG_CHARGER_SC2731) += sc2731_charger.o
obj-$(CONFIG_FUEL_GAUGE_SC27XX) += sc27xx_fuel_gauge.o
obj-$(CONFIG_CHARGER_UCS1002) += ucs1002_power.o
diff --git a/drivers/power/supply/ab8500-bm.h b/drivers/power/supply/ab8500-bm.h
index 0c940571e5b0..d11405b7ee1a 100644
--- a/drivers/power/supply/ab8500-bm.h
+++ b/drivers/power/supply/ab8500-bm.h
@@ -269,43 +269,43 @@ enum bup_vch_sel {
/*
* ADC for the battery thermistor.
- * When using the ABx500_ADC_THERM_BATCTRL the battery ID resistor is combined
+ * When using the AB8500_ADC_THERM_BATCTRL the battery ID resistor is combined
* with a NTC resistor to both identify the battery and to measure its
* temperature. Different phone manufactures uses different techniques to both
* identify the battery and to read its temperature.
*/
-enum abx500_adc_therm {
- ABx500_ADC_THERM_BATCTRL,
- ABx500_ADC_THERM_BATTEMP,
+enum ab8500_adc_therm {
+ AB8500_ADC_THERM_BATCTRL,
+ AB8500_ADC_THERM_BATTEMP,
};
/**
- * struct abx500_res_to_temp - defines one point in a temp to res curve. To
+ * struct ab8500_res_to_temp - defines one point in a temp to res curve. To
* be used in battery packs that combines the identification resistor with a
* NTC resistor.
* @temp: battery pack temperature in Celsius
* @resist: NTC resistor net total resistance
*/
-struct abx500_res_to_temp {
+struct ab8500_res_to_temp {
int temp;
int resist;
};
/**
- * struct abx500_v_to_cap - Table for translating voltage to capacity
+ * struct ab8500_v_to_cap - Table for translating voltage to capacity
* @voltage: Voltage in mV
* @capacity: Capacity in percent
*/
-struct abx500_v_to_cap {
+struct ab8500_v_to_cap {
int voltage;
int capacity;
};
/* Forward declaration */
-struct abx500_fg;
+struct ab8500_fg;
/**
- * struct abx500_fg_parameters - Fuel gauge algorithm parameters, in seconds
+ * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds
* if not specified
* @recovery_sleep_timer: Time between measurements while recovering
* @recovery_total_time: Total recovery time
@@ -333,7 +333,7 @@ struct abx500_fg;
* @pcut_max_restart: Max number of restarts
* @pcut_debounce_time: Sets battery debounce time
*/
-struct abx500_fg_parameters {
+struct ab8500_fg_parameters {
int recovery_sleep_timer;
int recovery_total_time;
int init_timer;
@@ -357,13 +357,13 @@ struct abx500_fg_parameters {
};
/**
- * struct abx500_charger_maximization - struct used by the board config.
+ * struct ab8500_charger_maximization - struct used by the board config.
* @use_maxi: Enable maximization for this battery type
* @maxi_chg_curr: Maximum charger current allowed
* @maxi_wait_cycles: cycles to wait before setting charger current
* @charger_curr_step delta between two charger current settings (mA)
*/
-struct abx500_maxim_parameters {
+struct ab8500_maxim_parameters {
bool ena_maxi;
int chg_curr;
int wait_cycles;
@@ -371,7 +371,7 @@ struct abx500_maxim_parameters {
};
/**
- * struct abx500_battery_type - different batteries supported
+ * struct ab8500_battery_type - different batteries supported
* @name: battery technology
* @resis_high: battery upper resistance limit
* @resis_low: battery lower resistance limit
@@ -400,7 +400,7 @@ struct abx500_maxim_parameters {
* @n_batres_tbl_elements number of elements in the batres_tbl
* @batres_tbl battery internal resistance vs temperature table
*/
-struct abx500_battery_type {
+struct ab8500_battery_type {
int name;
int resis_high;
int resis_low;
@@ -421,22 +421,22 @@ struct abx500_battery_type {
int low_high_vol_lvl;
int battery_resistance;
int n_temp_tbl_elements;
- const struct abx500_res_to_temp *r_to_t_tbl;
+ const struct ab8500_res_to_temp *r_to_t_tbl;
int n_v_cap_tbl_elements;
- const struct abx500_v_to_cap *v_to_cap_tbl;
+ const struct ab8500_v_to_cap *v_to_cap_tbl;
int n_batres_tbl_elements;
const struct batres_vs_temp *batres_tbl;
};
/**
- * struct abx500_bm_capacity_levels - abx500 capacity level data
+ * struct ab8500_bm_capacity_levels - ab8500 capacity level data
* @critical: critical capacity level in percent
* @low: low capacity level in percent
* @normal: normal capacity level in percent
* @high: high capacity level in percent
* @full: full capacity level in percent
*/
-struct abx500_bm_capacity_levels {
+struct ab8500_bm_capacity_levels {
int critical;
int low;
int normal;
@@ -445,13 +445,13 @@ struct abx500_bm_capacity_levels {
};
/**
- * struct abx500_bm_charger_parameters - Charger specific parameters
+ * struct ab8500_bm_charger_parameters - Charger specific parameters
* @usb_volt_max: maximum allowed USB charger voltage in mV
* @usb_curr_max: maximum allowed USB charger current in mA
* @ac_volt_max: maximum allowed AC charger voltage in mV
* @ac_curr_max: maximum allowed AC charger current in mA
*/
-struct abx500_bm_charger_parameters {
+struct ab8500_bm_charger_parameters {
int usb_volt_max;
int usb_curr_max;
int ac_volt_max;
@@ -459,7 +459,7 @@ struct abx500_bm_charger_parameters {
};
/**
- * struct abx500_bm_data - abx500 battery management data
+ * struct ab8500_bm_data - ab8500 battery management data
* @temp_under under this temp, charging is stopped
* @temp_low between this temp and temp_under charging is reduced
* @temp_high between this temp and temp_over charging is reduced
@@ -473,7 +473,7 @@ struct abx500_bm_charger_parameters {
* @bkup_bat_i current which we charge the backup battery with
* @no_maintenance indicates that maintenance charging is disabled
* @capacity_scaling indicates whether capacity scaling is to be used
- * @abx500_adc_therm placement of thermistor, batctrl or battemp adc
+ * @ab8500_adc_therm placement of thermistor, batctrl or battemp adc
* @chg_unknown_bat flag to enable charging of unknown batteries
* @enable_overshoot flag to enable VBAT overshoot control
* @auto_trig flag to enable auto adc trigger
@@ -494,7 +494,7 @@ struct abx500_bm_charger_parameters {
* @chg_params charger parameters
* @fg_params fuel gauge parameters
*/
-struct abx500_bm_data {
+struct ab8500_bm_data {
int temp_under;
int temp_low;
int temp_high;
@@ -511,7 +511,7 @@ struct abx500_bm_data {
bool chg_unknown_bat;
bool enable_overshoot;
bool auto_trig;
- enum abx500_adc_therm adc_therm;
+ enum ab8500_adc_therm adc_therm;
int fg_res;
int n_btypes;
int batt_id;
@@ -523,11 +523,11 @@ struct abx500_bm_data {
int n_chg_in_curr;
int *chg_output_curr;
int *chg_input_curr;
- const struct abx500_maxim_parameters *maxi;
- const struct abx500_bm_capacity_levels *cap_levels;
- struct abx500_battery_type *bat_type;
- const struct abx500_bm_charger_parameters *chg_params;
- const struct abx500_fg_parameters *fg_params;
+ const struct ab8500_maxim_parameters *maxi;
+ const struct ab8500_bm_capacity_levels *cap_levels;
+ struct ab8500_battery_type *bat_type;
+ const struct ab8500_bm_charger_parameters *chg_params;
+ const struct ab8500_fg_parameters *fg_params;
};
enum {
@@ -561,160 +561,7 @@ struct batres_vs_temp {
/* Forward declaration */
struct ab8500_fg;
-/**
- * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds
- * if not specified
- * @recovery_sleep_timer: Time between measurements while recovering
- * @recovery_total_time: Total recovery time
- * @init_timer: Measurement interval during startup
- * @init_discard_time: Time we discard voltage measurement at startup
- * @init_total_time: Total init time during startup
- * @high_curr_time: Time current has to be high to go to recovery
- * @accu_charging: FG accumulation time while charging
- * @accu_high_curr: FG accumulation time in high current mode
- * @high_curr_threshold: High current threshold, in mA
- * @lowbat_threshold: Low battery threshold, in mV
- * @battok_falling_th_sel0 Threshold in mV for battOk signal sel0
- * Resolution in 50 mV step.
- * @battok_raising_th_sel1 Threshold in mV for battOk signal sel1
- * Resolution in 50 mV step.
- * @user_cap_limit Capacity reported from user must be within this
- * limit to be considered as sane, in percentage
- * points.
- * @maint_thres This is the threshold where we stop reporting
- * battery full while in maintenance, in per cent
- * @pcut_enable: Enable power cut feature in ab8505
- * @pcut_max_time: Max time threshold
- * @pcut_flag_time: Flagtime threshold
- * @pcut_max_restart: Max number of restarts
- * @pcut_debunce_time: Sets battery debounce time
- */
-struct ab8500_fg_parameters {
- int recovery_sleep_timer;
- int recovery_total_time;
- int init_timer;
- int init_discard_time;
- int init_total_time;
- int high_curr_time;
- int accu_charging;
- int accu_high_curr;
- int high_curr_threshold;
- int lowbat_threshold;
- int battok_falling_th_sel0;
- int battok_raising_th_sel1;
- int user_cap_limit;
- int maint_thres;
- bool pcut_enable;
- u8 pcut_max_time;
- u8 pcut_flag_time;
- u8 pcut_max_restart;
- u8 pcut_debunce_time;
-};
-
-/**
- * struct ab8500_charger_maximization - struct used by the board config.
- * @use_maxi: Enable maximization for this battery type
- * @maxi_chg_curr: Maximum charger current allowed
- * @maxi_wait_cycles: cycles to wait before setting charger current
- * @charger_curr_step delta between two charger current settings (mA)
- */
-struct ab8500_maxim_parameters {
- bool ena_maxi;
- int chg_curr;
- int wait_cycles;
- int charger_curr_step;
-};
-
-/**
- * struct ab8500_bm_capacity_levels - ab8500 capacity level data
- * @critical: critical capacity level in percent
- * @low: low capacity level in percent
- * @normal: normal capacity level in percent
- * @high: high capacity level in percent
- * @full: full capacity level in percent
- */
-struct ab8500_bm_capacity_levels {
- int critical;
- int low;
- int normal;
- int high;
- int full;
-};
-
-/**
- * struct ab8500_bm_charger_parameters - Charger specific parameters
- * @usb_volt_max: maximum allowed USB charger voltage in mV
- * @usb_curr_max: maximum allowed USB charger current in mA
- * @ac_volt_max: maximum allowed AC charger voltage in mV
- * @ac_curr_max: maximum allowed AC charger current in mA
- */
-struct ab8500_bm_charger_parameters {
- int usb_volt_max;
- int usb_curr_max;
- int ac_volt_max;
- int ac_curr_max;
-};
-
-/**
- * struct ab8500_bm_data - ab8500 battery management data
- * @temp_under under this temp, charging is stopped
- * @temp_low between this temp and temp_under charging is reduced
- * @temp_high between this temp and temp_over charging is reduced
- * @temp_over over this temp, charging is stopped
- * @temp_interval_chg temperature measurement interval in s when charging
- * @temp_interval_nochg temperature measurement interval in s when not charging
- * @main_safety_tmr_h safety timer for main charger
- * @usb_safety_tmr_h safety timer for usb charger
- * @bkup_bat_v voltage which we charge the backup battery with
- * @bkup_bat_i current which we charge the backup battery with
- * @no_maintenance indicates that maintenance charging is disabled
- * @capacity_scaling indicates whether capacity scaling is to be used
- * @adc_therm placement of thermistor, batctrl or battemp adc
- * @chg_unknown_bat flag to enable charging of unknown batteries
- * @enable_overshoot flag to enable VBAT overshoot control
- * @fg_res resistance of FG resistor in 0.1mOhm
- * @n_btypes number of elements in array bat_type
- * @batt_id index of the identified battery in array bat_type
- * @interval_charging charge alg cycle period time when charging (sec)
- * @interval_not_charging charge alg cycle period time when not charging (sec)
- * @temp_hysteresis temperature hysteresis
- * @gnd_lift_resistance Battery ground to phone ground resistance (mOhm)
- * @maxi: maximization parameters
- * @cap_levels capacity in percent for the different capacity levels
- * @bat_type table of supported battery types
- * @chg_params charger parameters
- * @fg_params fuel gauge parameters
- */
-struct ab8500_bm_data {
- int temp_under;
- int temp_low;
- int temp_high;
- int temp_over;
- int temp_interval_chg;
- int temp_interval_nochg;
- int main_safety_tmr_h;
- int usb_safety_tmr_h;
- int bkup_bat_v;
- int bkup_bat_i;
- bool no_maintenance;
- bool capacity_scaling;
- bool chg_unknown_bat;
- bool enable_overshoot;
- enum abx500_adc_therm adc_therm;
- int fg_res;
- int n_btypes;
- int batt_id;
- int interval_charging;
- int interval_not_charging;
- int temp_hysteresis;
- int gnd_lift_resistance;
- const struct ab8500_maxim_parameters *maxi;
- const struct ab8500_bm_capacity_levels *cap_levels;
- const struct ab8500_bm_charger_parameters *chg_params;
- const struct ab8500_fg_parameters *fg_params;
-};
-
-extern struct abx500_bm_data ab8500_bm_data;
+extern struct ab8500_bm_data ab8500_bm_data;
void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);
struct ab8500_fg *ab8500_fg_get(void);
@@ -725,10 +572,10 @@ int ab8500_fg_inst_curr_started(struct ab8500_fg *di);
int ab8500_fg_inst_curr_done(struct ab8500_fg *di);
int ab8500_bm_of_probe(struct device *dev,
struct device_node *np,
- struct abx500_bm_data *bm);
+ struct ab8500_bm_data *bm);
extern struct platform_driver ab8500_fg_driver;
extern struct platform_driver ab8500_btemp_driver;
-extern struct platform_driver abx500_chargalg_driver;
+extern struct platform_driver ab8500_chargalg_driver;
#endif /* _AB8500_CHARGER_H_ */
diff --git a/drivers/power/supply/ab8500_bmdata.c b/drivers/power/supply/ab8500_bmdata.c
index c2b8c0bb77e2..6f5fb794042c 100644
--- a/drivers/power/supply/ab8500_bmdata.c
+++ b/drivers/power/supply/ab8500_bmdata.c
@@ -2,8 +2,6 @@
#include <linux/export.h>
#include <linux/power_supply.h>
#include <linux/of.h>
-#include <linux/mfd/abx500.h>
-#include <linux/mfd/abx500/ab8500.h>
#include "ab8500-bm.h"
@@ -13,7 +11,7 @@
* Note that the res_to_temp table must be strictly sorted by falling resistance
* values to work.
*/
-const struct abx500_res_to_temp ab8500_temp_tbl_a_thermistor[] = {
+const struct ab8500_res_to_temp ab8500_temp_tbl_a_thermistor[] = {
{-5, 53407},
{ 0, 48594},
{ 5, 43804},
@@ -35,7 +33,7 @@ EXPORT_SYMBOL(ab8500_temp_tbl_a_thermistor);
const int ab8500_temp_tbl_a_size = ARRAY_SIZE(ab8500_temp_tbl_a_thermistor);
EXPORT_SYMBOL(ab8500_temp_tbl_a_size);
-const struct abx500_res_to_temp ab8500_temp_tbl_b_thermistor[] = {
+const struct ab8500_res_to_temp ab8500_temp_tbl_b_thermistor[] = {
{-5, 200000},
{ 0, 159024},
{ 5, 151921},
@@ -57,7 +55,7 @@ EXPORT_SYMBOL(ab8500_temp_tbl_b_thermistor);
const int ab8500_temp_tbl_b_size = ARRAY_SIZE(ab8500_temp_tbl_b_thermistor);
EXPORT_SYMBOL(ab8500_temp_tbl_b_size);
-static const struct abx500_v_to_cap cap_tbl_a_thermistor[] = {
+static const struct ab8500_v_to_cap cap_tbl_a_thermistor[] = {
{4171, 100},
{4114, 95},
{4009, 83},
@@ -80,7 +78,7 @@ static const struct abx500_v_to_cap cap_tbl_a_thermistor[] = {
{3247, 0},
};
-static const struct abx500_v_to_cap cap_tbl_b_thermistor[] = {
+static const struct ab8500_v_to_cap cap_tbl_b_thermistor[] = {
{4161, 100},
{4124, 98},
{4044, 90},
@@ -103,7 +101,7 @@ static const struct abx500_v_to_cap cap_tbl_b_thermistor[] = {
{3250, 0},
};
-static const struct abx500_v_to_cap cap_tbl[] = {
+static const struct ab8500_v_to_cap cap_tbl[] = {
{4186, 100},
{4163, 99},
{4114, 95},
@@ -134,7 +132,7 @@ static const struct abx500_v_to_cap cap_tbl[] = {
* Note that the res_to_temp table must be strictly sorted by falling
* resistance values to work.
*/
-static const struct abx500_res_to_temp temp_tbl[] = {
+static const struct ab8500_res_to_temp temp_tbl[] = {
{-5, 214834},
{ 0, 162943},
{ 5, 124820},
@@ -191,7 +189,7 @@ static const struct batres_vs_temp temp_to_batres_tbl_9100[] = {
{-20, 180},
};
-static struct abx500_battery_type bat_type_thermistor[] = {
+static struct ab8500_battery_type bat_type_thermistor[] = {
[BATTERY_UNKNOWN] = {
/* First element always represent the UNKNOWN battery */
.name = POWER_SUPPLY_TECHNOLOGY_UNKNOWN,
@@ -277,7 +275,7 @@ static struct abx500_battery_type bat_type_thermistor[] = {
},
};
-static struct abx500_battery_type bat_type_ext_thermistor[] = {
+static struct ab8500_battery_type bat_type_ext_thermistor[] = {
[BATTERY_UNKNOWN] = {
/* First element always represent the UNKNOWN battery */
.name = POWER_SUPPLY_TECHNOLOGY_UNKNOWN,
@@ -394,7 +392,7 @@ static struct abx500_battery_type bat_type_ext_thermistor[] = {
},
};
-static const struct abx500_bm_capacity_levels cap_levels = {
+static const struct ab8500_bm_capacity_levels cap_levels = {
.critical = 2,
.low = 10,
.normal = 70,
@@ -402,7 +400,7 @@ static const struct abx500_bm_capacity_levels cap_levels = {
.full = 100,
};
-static const struct abx500_fg_parameters fg = {
+static const struct ab8500_fg_parameters fg = {
.recovery_sleep_timer = 10,
.recovery_total_time = 100,
.init_timer = 1,
@@ -424,14 +422,14 @@ static const struct abx500_fg_parameters fg = {
.pcut_debounce_time = 2,
};
-static const struct abx500_maxim_parameters ab8500_maxi_params = {
+static const struct ab8500_maxim_parameters ab8500_maxi_params = {
.ena_maxi = true,
.chg_curr = 910,
.wait_cycles = 10,
.charger_curr_step = 100,
};
-static const struct abx500_bm_charger_parameters chg = {
+static const struct ab8500_bm_charger_parameters chg = {
.usb_volt_max = 5500,
.usb_curr_max = 1500,
.ac_volt_max = 7500,
@@ -456,7 +454,7 @@ static int ab8500_charge_input_curr_map[] = {
700, 800, 900, 1000, 1100, 1300, 1400, 1500,
};
-struct abx500_bm_data ab8500_bm_data = {
+struct ab8500_bm_data ab8500_bm_data = {
.temp_under = 3,
.temp_low = 8,
.temp_high = 43,
@@ -469,7 +467,7 @@ struct abx500_bm_data ab8500_bm_data = {
.bkup_bat_i = BUP_ICH_SEL_150UA,
.no_maintenance = false,
.capacity_scaling = false,
- .adc_therm = ABx500_ADC_THERM_BATCTRL,
+ .adc_therm = AB8500_ADC_THERM_BATCTRL,
.chg_unknown_bat = false,
.enable_overshoot = false,
.fg_res = 100,
@@ -492,7 +490,7 @@ struct abx500_bm_data ab8500_bm_data = {
int ab8500_bm_of_probe(struct device *dev,
struct device_node *np,
- struct abx500_bm_data *bm)
+ struct ab8500_bm_data *bm)
{
const struct batres_vs_temp *tmp_batres_tbl;
struct device_node *battery_node;
@@ -531,7 +529,7 @@ int ab8500_bm_of_probe(struct device *dev,
} else {
bm->n_btypes = 4;
bm->bat_type = bat_type_ext_thermistor;
- bm->adc_therm = ABx500_ADC_THERM_BATTEMP;
+ bm->adc_therm = AB8500_ADC_THERM_BATTEMP;
tmp_batres_tbl = temp_to_batres_tbl_ext_thermistor;
}
diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c
index dbdcff32f353..b6c9111d77d7 100644
--- a/drivers/power/supply/ab8500_btemp.c
+++ b/drivers/power/supply/ab8500_btemp.c
@@ -27,6 +27,7 @@
#include <linux/mfd/abx500.h>
#include <linux/mfd/abx500/ab8500.h>
#include <linux/iio/consumer.h>
+#include <linux/fixp-arith.h>
#include "ab8500-bm.h"
@@ -102,7 +103,7 @@ struct ab8500_btemp {
struct iio_channel *btemp_ball;
struct iio_channel *bat_ctrl;
struct ab8500_fg *fg;
- struct abx500_bm_data *bm;
+ struct ab8500_bm_data *bm;
struct power_supply *btemp_psy;
struct ab8500_btemp_events events;
struct ab8500_btemp_ranges btemp_ranges;
@@ -144,7 +145,7 @@ static int ab8500_btemp_batctrl_volt_to_res(struct ab8500_btemp *di,
return (450000 * (v_batctrl)) / (1800 - v_batctrl);
}
- if (di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL) {
+ if (di->bm->adc_therm == AB8500_ADC_THERM_BATCTRL) {
/*
* If the battery has internal NTC, we use the current
* source to calculate the resistance.
@@ -206,7 +207,7 @@ static int ab8500_btemp_curr_source_enable(struct ab8500_btemp *di,
return 0;
/* Only do this for batteries with internal NTC */
- if (di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL && enable) {
+ if (di->bm->adc_therm == AB8500_ADC_THERM_BATCTRL && enable) {
if (di->curr_source == BTEMP_BATCTRL_CURR_SRC_7UA)
curr = BAT_CTRL_7U_ENA;
@@ -239,7 +240,7 @@ static int ab8500_btemp_curr_source_enable(struct ab8500_btemp *di,
__func__);
goto disable_curr_source;
}
- } else if (di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL && !enable) {
+ } else if (di->bm->adc_therm == AB8500_ADC_THERM_BATCTRL && !enable) {
dev_dbg(di->dev, "Disable BATCTRL curr source\n");
/* Write 0 to the curr bits */
@@ -417,7 +418,7 @@ static int ab8500_btemp_get_batctrl_res(struct ab8500_btemp *di)
* based on the NTC resistance.
*/
static int ab8500_btemp_res_to_temp(struct ab8500_btemp *di,
- const struct abx500_res_to_temp *tbl, int tbl_size, int res)
+ const struct ab8500_res_to_temp *tbl, int tbl_size, int res)
{
int i;
/*
@@ -437,8 +438,9 @@ static int ab8500_btemp_res_to_temp(struct ab8500_btemp *di,
i++;
}
- return tbl[i].temp + ((tbl[i + 1].temp - tbl[i].temp) *
- (res - tbl[i].resist)) / (tbl[i + 1].resist - tbl[i].resist);
+ return fixp_linear_interpolate(tbl[i].resist, tbl[i].temp,
+ tbl[i + 1].resist, tbl[i + 1].temp,
+ res);
}
/**
@@ -456,7 +458,7 @@ static int ab8500_btemp_measure_temp(struct ab8500_btemp *di)
id = di->bm->batt_id;
- if (di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL &&
+ if (di->bm->adc_therm == AB8500_ADC_THERM_BATCTRL &&
id != BATTERY_UNKNOWN) {
rbat = ab8500_btemp_get_batctrl_res(di);
@@ -525,7 +527,7 @@ static int ab8500_btemp_id(struct ab8500_btemp *di)
dev_dbg(di->dev, "Battery detected on %s"
" low %d < res %d < high: %d"
" index: %d\n",
- di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL ?
+ di->bm->adc_therm == AB8500_ADC_THERM_BATCTRL ?
"BATCTRL" : "BATTEMP",
di->bm->bat_type[i].resis_low, res,
di->bm->bat_type[i].resis_high, i);
@@ -545,7 +547,7 @@ static int ab8500_btemp_id(struct ab8500_btemp *di)
* We only have to change current source if the
* detected type is Type 1.
*/
- if (di->bm->adc_therm == ABx500_ADC_THERM_BATCTRL &&
+ if (di->bm->adc_therm == AB8500_ADC_THERM_BATCTRL &&
di->bm->batt_id == 1) {
dev_dbg(di->dev, "Set BATCTRL current source to 20uA\n");
di->curr_source = BTEMP_BATCTRL_CURR_SRC_20UA;
diff --git a/drivers/power/supply/abx500_chargalg.c b/drivers/power/supply/ab8500_chargalg.c
index b72826cf6794..ff4b26b1ceca 100644
--- a/drivers/power/supply/abx500_chargalg.c
+++ b/drivers/power/supply/ab8500_chargalg.c
@@ -3,7 +3,7 @@
* Copyright (C) ST-Ericsson SA 2012
* Copyright (c) 2012 Sony Mobile Communications AB
*
- * Charging algorithm driver for abx500 variants
+ * Charging algorithm driver for AB8500
*
* Authors:
* Johan Palsson <johan.palsson@stericsson.com>
@@ -49,18 +49,18 @@
#define CHARGALG_CURR_STEP_LOW 0
#define CHARGALG_CURR_STEP_HIGH 100
-enum abx500_chargers {
+enum ab8500_chargers {
NO_CHG,
AC_CHG,
USB_CHG,
};
-struct abx500_chargalg_charger_info {
- enum abx500_chargers conn_chg;
- enum abx500_chargers prev_conn_chg;
- enum abx500_chargers online_chg;
- enum abx500_chargers prev_online_chg;
- enum abx500_chargers charger_type;
+struct ab8500_chargalg_charger_info {
+ enum ab8500_chargers conn_chg;
+ enum ab8500_chargers prev_conn_chg;
+ enum ab8500_chargers online_chg;
+ enum ab8500_chargers prev_online_chg;
+ enum ab8500_chargers charger_type;
bool usb_chg_ok;
bool ac_chg_ok;
int usb_volt;
@@ -73,18 +73,18 @@ struct abx500_chargalg_charger_info {
int ac_iset;
};
-struct abx500_chargalg_suspension_status {
+struct ab8500_chargalg_suspension_status {
bool suspended_change;
bool ac_suspended;
bool usb_suspended;
};
-struct abx500_chargalg_current_step_status {
+struct ab8500_chargalg_current_step_status {
bool curr_step_change;
int curr_step;
};
-struct abx500_chargalg_battery_data {
+struct ab8500_chargalg_battery_data {
int temp;
int volt;
int avg_curr;
@@ -92,7 +92,7 @@ struct abx500_chargalg_battery_data {
int percent;
};
-enum abx500_chargalg_states {
+enum ab8500_chargalg_states {
STATE_HANDHELD_INIT,
STATE_HANDHELD,
STATE_CHG_NOT_OK_INIT,
@@ -123,7 +123,7 @@ enum abx500_chargalg_states {
STATE_WD_EXPIRED,
};
-static const char *states[] = {
+static const char * const states[] = {
"HANDHELD_INIT",
"HANDHELD",
"CHG_NOT_OK_INIT",
@@ -154,7 +154,7 @@ static const char *states[] = {
"WD_EXPIRED",
};
-struct abx500_chargalg_events {
+struct ab8500_chargalg_events {
bool batt_unknown;
bool mainextchnotok;
bool batt_ovv;
@@ -176,7 +176,7 @@ struct abx500_chargalg_events {
};
/**
- * struct abx500_charge_curr_maximization - Charger maximization parameters
+ * struct ab8500_charge_curr_maximization - Charger maximization parameters
* @original_iset: the non optimized/maximised charger current
* @current_iset: the charging current used at this moment
* @test_delta_i: the delta between the current we want to charge and the
@@ -190,7 +190,7 @@ struct abx500_chargalg_events {
* @level: tells in how many steps the charging current has been
increased
*/
-struct abx500_charge_curr_maximization {
+struct ab8500_charge_curr_maximization {
int original_iset;
int current_iset;
int test_delta_i;
@@ -207,7 +207,7 @@ enum maxim_ret {
};
/**
- * struct abx500_chargalg - abx500 Charging algorithm device information
+ * struct ab8500_chargalg - ab8500 Charging algorithm device information
* @dev: pointer to the structure device
* @charge_status: battery operating status
* @eoc_cnt: counter used to determine end-of_charge
@@ -223,7 +223,7 @@ enum maxim_ret {
* @susp_status: current charger suspension status
* @bm: Platform specific battery management information
* @curr_status: Current step status for over-current protection
- * @parent: pointer to the struct abx500
+ * @parent: pointer to the struct ab8500
* @chargalg_psy: structure that holds the battery properties exposed by
* the charging algorithm
* @events: structure for information about events triggered
@@ -235,25 +235,25 @@ enum maxim_ret {
* @maintenance_timer: maintenance charging timer
* @chargalg_kobject: structure of type kobject
*/
-struct abx500_chargalg {
+struct ab8500_chargalg {
struct device *dev;
int charge_status;
int eoc_cnt;
bool maintenance_chg;
int t_hyst_norm;
int t_hyst_lowhigh;
- enum abx500_chargalg_states charge_state;
- struct abx500_charge_curr_maximization ccm;
- struct abx500_chargalg_charger_info chg_info;
- struct abx500_chargalg_battery_data batt_data;
- struct abx500_chargalg_suspension_status susp_status;
+ enum ab8500_chargalg_states charge_state;
+ struct ab8500_charge_curr_maximization ccm;
+ struct ab8500_chargalg_charger_info chg_info;
+ struct ab8500_chargalg_battery_data batt_data;
+ struct ab8500_chargalg_suspension_status susp_status;
struct ab8500 *parent;
- struct abx500_chargalg_current_step_status curr_status;
- struct abx500_bm_data *bm;
+ struct ab8500_chargalg_current_step_status curr_status;
+ struct ab8500_bm_data *bm;
struct power_supply *chargalg_psy;
struct ux500_charger *ac_chg;
struct ux500_charger *usb_chg;
- struct abx500_chargalg_events events;
+ struct ab8500_chargalg_events events;
struct workqueue_struct *chargalg_wq;
struct delayed_work chargalg_periodic_work;
struct delayed_work chargalg_wd_work;
@@ -267,28 +267,28 @@ struct abx500_chargalg {
BLOCKING_NOTIFIER_HEAD(charger_notifier_list);
/* Main battery properties */
-static enum power_supply_property abx500_chargalg_props[] = {
+static enum power_supply_property ab8500_chargalg_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_HEALTH,
};
-struct abx500_chargalg_sysfs_entry {
+struct ab8500_chargalg_sysfs_entry {
struct attribute attr;
- ssize_t (*show)(struct abx500_chargalg *, char *);
- ssize_t (*store)(struct abx500_chargalg *, const char *, size_t);
+ ssize_t (*show)(struct ab8500_chargalg *di, char *buf);
+ ssize_t (*store)(struct ab8500_chargalg *di, const char *buf, size_t length);
};
/**
- * abx500_chargalg_safety_timer_expired() - Expiration of the safety timer
+ * ab8500_chargalg_safety_timer_expired() - Expiration of the safety timer
* @timer: pointer to the hrtimer structure
*
* This function gets called when the safety timer for the charger
* expires
*/
static enum hrtimer_restart
-abx500_chargalg_safety_timer_expired(struct hrtimer *timer)
+ab8500_chargalg_safety_timer_expired(struct hrtimer *timer)
{
- struct abx500_chargalg *di = container_of(timer, struct abx500_chargalg,
+ struct ab8500_chargalg *di = container_of(timer, struct ab8500_chargalg,
safety_timer);
dev_err(di->dev, "Safety timer expired\n");
di->events.safety_timer_expired = true;
@@ -300,7 +300,7 @@ abx500_chargalg_safety_timer_expired(struct hrtimer *timer)
}
/**
- * abx500_chargalg_maintenance_timer_expired() - Expiration of
+ * ab8500_chargalg_maintenance_timer_expired() - Expiration of
* the maintenance timer
* @timer: pointer to the timer structure
*
@@ -308,10 +308,10 @@ abx500_chargalg_safety_timer_expired(struct hrtimer *timer)
* expires
*/
static enum hrtimer_restart
-abx500_chargalg_maintenance_timer_expired(struct hrtimer *timer)
+ab8500_chargalg_maintenance_timer_expired(struct hrtimer *timer)
{
- struct abx500_chargalg *di = container_of(timer, struct abx500_chargalg,
+ struct ab8500_chargalg *di = container_of(timer, struct ab8500_chargalg,
maintenance_timer);
dev_dbg(di->dev, "Maintenance timer expired\n");
@@ -324,13 +324,13 @@ abx500_chargalg_maintenance_timer_expired(struct hrtimer *timer)
}
/**
- * abx500_chargalg_state_to() - Change charge state
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_state_to() - Change charge state
+ * @di: pointer to the ab8500_chargalg structure
*
* This function gets called when a charge state change should occur
*/
-static void abx500_chargalg_state_to(struct abx500_chargalg *di,
- enum abx500_chargalg_states state)
+static void ab8500_chargalg_state_to(struct ab8500_chargalg *di,
+ enum ab8500_chargalg_states state)
{
dev_dbg(di->dev,
"State changed: %s (From state: [%d] %s =to=> [%d] %s )\n",
@@ -343,7 +343,7 @@ static void abx500_chargalg_state_to(struct abx500_chargalg *di,
di->charge_state = state;
}
-static int abx500_chargalg_check_charger_enable(struct abx500_chargalg *di)
+static int ab8500_chargalg_check_charger_enable(struct ab8500_chargalg *di)
{
switch (di->charge_state) {
case STATE_NORMAL:
@@ -368,13 +368,13 @@ static int abx500_chargalg_check_charger_enable(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_check_charger_connection() - Check charger connection change
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_check_charger_connection() - Check charger connection change
+ * @di: pointer to the ab8500_chargalg structure
*
* This function will check if there is a change in the charger connection
* and change charge state accordingly. AC has precedence over USB.
*/
-static int abx500_chargalg_check_charger_connection(struct abx500_chargalg *di)
+static int ab8500_chargalg_check_charger_connection(struct ab8500_chargalg *di)
{
if (di->chg_info.conn_chg != di->chg_info.prev_conn_chg ||
di->susp_status.suspended_change) {
@@ -387,23 +387,23 @@ static int abx500_chargalg_check_charger_connection(struct abx500_chargalg *di)
dev_dbg(di->dev, "Charging source is AC\n");
if (di->chg_info.charger_type != AC_CHG) {
di->chg_info.charger_type = AC_CHG;
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
}
} else if ((di->chg_info.conn_chg & USB_CHG) &&
!di->susp_status.usb_suspended) {
dev_dbg(di->dev, "Charging source is USB\n");
di->chg_info.charger_type = USB_CHG;
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
} else if (di->chg_info.conn_chg &&
(di->susp_status.ac_suspended ||
di->susp_status.usb_suspended)) {
dev_dbg(di->dev, "Charging is suspended\n");
di->chg_info.charger_type = NO_CHG;
- abx500_chargalg_state_to(di, STATE_SUSPENDED_INIT);
+ ab8500_chargalg_state_to(di, STATE_SUSPENDED_INIT);
} else {
dev_dbg(di->dev, "Charging source is OFF\n");
di->chg_info.charger_type = NO_CHG;
- abx500_chargalg_state_to(di, STATE_HANDHELD_INIT);
+ ab8500_chargalg_state_to(di, STATE_HANDHELD_INIT);
}
di->chg_info.prev_conn_chg = di->chg_info.conn_chg;
di->susp_status.suspended_change = false;
@@ -412,29 +412,29 @@ static int abx500_chargalg_check_charger_connection(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_check_current_step_status() - Check charging current
+ * ab8500_chargalg_check_current_step_status() - Check charging current
* step status.
- * @di: pointer to the abx500_chargalg structure
+ * @di: pointer to the ab8500_chargalg structure
*
* This function will check if there is a change in the charging current step
* and change charge state accordingly.
*/
-static void abx500_chargalg_check_current_step_status
- (struct abx500_chargalg *di)
+static void ab8500_chargalg_check_current_step_status
+ (struct ab8500_chargalg *di)
{
if (di->curr_status.curr_step_change)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
di->curr_status.curr_step_change = false;
}
/**
- * abx500_chargalg_start_safety_timer() - Start charging safety timer
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_start_safety_timer() - Start charging safety timer
+ * @di: pointer to the ab8500_chargalg structure
*
* The safety timer is used to avoid overcharging of old or bad batteries.
* There are different timers for AC and USB
*/
-static void abx500_chargalg_start_safety_timer(struct abx500_chargalg *di)
+static void ab8500_chargalg_start_safety_timer(struct ab8500_chargalg *di)
{
/* Charger-dependent expiration time in hours*/
int timer_expiration = 0;
@@ -461,27 +461,27 @@ static void abx500_chargalg_start_safety_timer(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_stop_safety_timer() - Stop charging safety timer
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_stop_safety_timer() - Stop charging safety timer
+ * @di: pointer to the ab8500_chargalg structure
*
* The safety timer is stopped whenever the NORMAL state is exited
*/
-static void abx500_chargalg_stop_safety_timer(struct abx500_chargalg *di)
+static void ab8500_chargalg_stop_safety_timer(struct ab8500_chargalg *di)
{
if (hrtimer_try_to_cancel(&di->safety_timer) >= 0)
di->events.safety_timer_expired = false;
}
/**
- * abx500_chargalg_start_maintenance_timer() - Start charging maintenance timer
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_start_maintenance_timer() - Start charging maintenance timer
+ * @di: pointer to the ab8500_chargalg structure
* @duration: duration of ther maintenance timer in hours
*
* The maintenance timer is used to maintain the charge in the battery once
* the battery is considered full. These timers are chosen to match the
* discharge curve of the battery
*/
-static void abx500_chargalg_start_maintenance_timer(struct abx500_chargalg *di,
+static void ab8500_chargalg_start_maintenance_timer(struct ab8500_chargalg *di,
int duration)
{
hrtimer_set_expires_range(&di->maintenance_timer,
@@ -492,26 +492,26 @@ static void abx500_chargalg_start_maintenance_timer(struct abx500_chargalg *di,
}
/**
- * abx500_chargalg_stop_maintenance_timer() - Stop maintenance timer
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_stop_maintenance_timer() - Stop maintenance timer
+ * @di: pointer to the ab8500_chargalg structure
*
* The maintenance timer is stopped whenever maintenance ends or when another
* state is entered
*/
-static void abx500_chargalg_stop_maintenance_timer(struct abx500_chargalg *di)
+static void ab8500_chargalg_stop_maintenance_timer(struct ab8500_chargalg *di)
{
if (hrtimer_try_to_cancel(&di->maintenance_timer) >= 0)
di->events.maintenance_timer_expired = false;
}
/**
- * abx500_chargalg_kick_watchdog() - Kick charger watchdog
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_kick_watchdog() - Kick charger watchdog
+ * @di: pointer to the ab8500_chargalg structure
*
* The charger watchdog have to be kicked periodically whenever the charger is
* on, else the ABB will reset the system
*/
-static int abx500_chargalg_kick_watchdog(struct abx500_chargalg *di)
+static int ab8500_chargalg_kick_watchdog(struct ab8500_chargalg *di)
{
/* Check if charger exists and kick watchdog if charging */
if (di->ac_chg && di->ac_chg->ops.kick_wd &&
@@ -526,8 +526,7 @@ static int abx500_chargalg_kick_watchdog(struct abx500_chargalg *di)
di->usb_chg->ops.kick_wd(di->usb_chg);
return di->ac_chg->ops.kick_wd(di->ac_chg);
- }
- else if (di->usb_chg && di->usb_chg->ops.kick_wd &&
+ } else if (di->usb_chg && di->usb_chg->ops.kick_wd &&
di->chg_info.online_chg & USB_CHG)
return di->usb_chg->ops.kick_wd(di->usb_chg);
@@ -535,8 +534,8 @@ static int abx500_chargalg_kick_watchdog(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_ac_en() - Turn on/off the AC charger
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_ac_en() - Turn on/off the AC charger
+ * @di: pointer to the ab8500_chargalg structure
* @enable: charger on/off
* @vset: requested charger output voltage
* @iset: requested charger output current
@@ -544,10 +543,10 @@ static int abx500_chargalg_kick_watchdog(struct abx500_chargalg *di)
* The AC charger will be turned on/off with the requested charge voltage and
* current
*/
-static int abx500_chargalg_ac_en(struct abx500_chargalg *di, int enable,
+static int ab8500_chargalg_ac_en(struct ab8500_chargalg *di, int enable,
int vset, int iset)
{
- static int abx500_chargalg_ex_ac_enable_toggle;
+ static int ab8500_chargalg_ex_ac_enable_toggle;
if (!di->ac_chg || !di->ac_chg->ops.enable)
return -ENXIO;
@@ -563,18 +562,18 @@ static int abx500_chargalg_ac_en(struct abx500_chargalg *di, int enable,
/* Enable external charger */
if (enable && di->ac_chg->external &&
- !abx500_chargalg_ex_ac_enable_toggle) {
+ !ab8500_chargalg_ex_ac_enable_toggle) {
blocking_notifier_call_chain(&charger_notifier_list,
0, di->dev);
- abx500_chargalg_ex_ac_enable_toggle++;
+ ab8500_chargalg_ex_ac_enable_toggle++;
}
return di->ac_chg->ops.enable(di->ac_chg, enable, vset, iset);
}
/**
- * abx500_chargalg_usb_en() - Turn on/off the USB charger
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_usb_en() - Turn on/off the USB charger
+ * @di: pointer to the ab8500_chargalg structure
* @enable: charger on/off
* @vset: requested charger output voltage
* @iset: requested charger output current
@@ -582,7 +581,7 @@ static int abx500_chargalg_ac_en(struct abx500_chargalg *di, int enable,
* The USB charger will be turned on/off with the requested charge voltage and
* current
*/
-static int abx500_chargalg_usb_en(struct abx500_chargalg *di, int enable,
+static int ab8500_chargalg_usb_en(struct ab8500_chargalg *di, int enable,
int vset, int iset)
{
if (!di->usb_chg || !di->usb_chg->ops.enable)
@@ -601,14 +600,14 @@ static int abx500_chargalg_usb_en(struct abx500_chargalg *di, int enable,
}
/**
- * abx500_chargalg_update_chg_curr() - Update charger current
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_update_chg_curr() - Update charger current
+ * @di: pointer to the ab8500_chargalg structure
* @iset: requested charger output current
*
* The charger output current will be updated for the charger
* that is currently in use
*/
-static int abx500_chargalg_update_chg_curr(struct abx500_chargalg *di,
+static int ab8500_chargalg_update_chg_curr(struct ab8500_chargalg *di,
int iset)
{
/* Check if charger exists and update current if charging */
@@ -642,19 +641,19 @@ static int abx500_chargalg_update_chg_curr(struct abx500_chargalg *di,
}
/**
- * abx500_chargalg_stop_charging() - Stop charging
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_stop_charging() - Stop charging
+ * @di: pointer to the ab8500_chargalg structure
*
* This function is called from any state where charging should be stopped.
* All charging is disabled and all status parameters and timers are changed
* accordingly
*/
-static void abx500_chargalg_stop_charging(struct abx500_chargalg *di)
+static void ab8500_chargalg_stop_charging(struct ab8500_chargalg *di)
{
- abx500_chargalg_ac_en(di, false, 0, 0);
- abx500_chargalg_usb_en(di, false, 0, 0);
- abx500_chargalg_stop_safety_timer(di);
- abx500_chargalg_stop_maintenance_timer(di);
+ ab8500_chargalg_ac_en(di, false, 0, 0);
+ ab8500_chargalg_usb_en(di, false, 0, 0);
+ ab8500_chargalg_stop_safety_timer(di);
+ ab8500_chargalg_stop_maintenance_timer(di);
di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
di->maintenance_chg = false;
cancel_delayed_work(&di->chargalg_wd_work);
@@ -662,19 +661,19 @@ static void abx500_chargalg_stop_charging(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_hold_charging() - Pauses charging
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_hold_charging() - Pauses charging
+ * @di: pointer to the ab8500_chargalg structure
*
* This function is called in the case where maintenance charging has been
* disabled and instead a battery voltage mode is entered to check when the
* battery voltage has reached a certain recharge voltage
*/
-static void abx500_chargalg_hold_charging(struct abx500_chargalg *di)
+static void ab8500_chargalg_hold_charging(struct ab8500_chargalg *di)
{
- abx500_chargalg_ac_en(di, false, 0, 0);
- abx500_chargalg_usb_en(di, false, 0, 0);
- abx500_chargalg_stop_safety_timer(di);
- abx500_chargalg_stop_maintenance_timer(di);
+ ab8500_chargalg_ac_en(di, false, 0, 0);
+ ab8500_chargalg_usb_en(di, false, 0, 0);
+ ab8500_chargalg_stop_safety_timer(di);
+ ab8500_chargalg_stop_maintenance_timer(di);
di->charge_status = POWER_SUPPLY_STATUS_CHARGING;
di->maintenance_chg = false;
cancel_delayed_work(&di->chargalg_wd_work);
@@ -682,30 +681,30 @@ static void abx500_chargalg_hold_charging(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_start_charging() - Start the charger
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_start_charging() - Start the charger
+ * @di: pointer to the ab8500_chargalg structure
* @vset: requested charger output voltage
* @iset: requested charger output current
*
* A charger will be enabled depending on the requested charger type that was
* detected previously.
*/
-static void abx500_chargalg_start_charging(struct abx500_chargalg *di,
+static void ab8500_chargalg_start_charging(struct ab8500_chargalg *di,
int vset, int iset)
{
switch (di->chg_info.charger_type) {
case AC_CHG:
dev_dbg(di->dev,
"AC parameters: Vset %d, Ich %d\n", vset, iset);
- abx500_chargalg_usb_en(di, false, 0, 0);
- abx500_chargalg_ac_en(di, true, vset, iset);
+ ab8500_chargalg_usb_en(di, false, 0, 0);
+ ab8500_chargalg_ac_en(di, true, vset, iset);
break;
case USB_CHG:
dev_dbg(di->dev,
"USB parameters: Vset %d, Ich %d\n", vset, iset);
- abx500_chargalg_ac_en(di, false, 0, 0);
- abx500_chargalg_usb_en(di, true, vset, iset);
+ ab8500_chargalg_ac_en(di, false, 0, 0);
+ ab8500_chargalg_usb_en(di, true, vset, iset);
break;
default:
@@ -715,13 +714,13 @@ static void abx500_chargalg_start_charging(struct abx500_chargalg *di,
}
/**
- * abx500_chargalg_check_temp() - Check battery temperature ranges
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_check_temp() - Check battery temperature ranges
+ * @di: pointer to the ab8500_chargalg structure
*
* The battery temperature is checked against the predefined limits and the
* charge state is changed accordingly
*/
-static void abx500_chargalg_check_temp(struct abx500_chargalg *di)
+static void ab8500_chargalg_check_temp(struct ab8500_chargalg *di)
{
if (di->batt_data.temp > (di->bm->temp_low + di->t_hyst_norm) &&
di->batt_data.temp < (di->bm->temp_high - di->t_hyst_norm)) {
@@ -750,8 +749,8 @@ static void abx500_chargalg_check_temp(struct abx500_chargalg *di)
di->t_hyst_norm = 0;
di->t_hyst_lowhigh = di->bm->temp_hysteresis;
} else {
- /* Within hysteresis */
- dev_dbg(di->dev, "Within hysteresis limit temp: %d "
+ /* Within hysteresis */
+ dev_dbg(di->dev, "Within hysteresis limit temp: %d "
"hyst_lowhigh %d, hyst normal %d\n",
di->batt_data.temp, di->t_hyst_lowhigh,
di->t_hyst_norm);
@@ -760,12 +759,12 @@ static void abx500_chargalg_check_temp(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_check_charger_voltage() - Check charger voltage
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_check_charger_voltage() - Check charger voltage
+ * @di: pointer to the ab8500_chargalg structure
*
* Charger voltage is checked against maximum limit
*/
-static void abx500_chargalg_check_charger_voltage(struct abx500_chargalg *di)
+static void ab8500_chargalg_check_charger_voltage(struct ab8500_chargalg *di)
{
if (di->chg_info.usb_volt > di->bm->chg_params->usb_volt_max)
di->chg_info.usb_chg_ok = false;
@@ -780,14 +779,14 @@ static void abx500_chargalg_check_charger_voltage(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_end_of_charge() - Check if end-of-charge criteria is fulfilled
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_end_of_charge() - Check if end-of-charge criteria is fulfilled
+ * @di: pointer to the ab8500_chargalg structure
*
* End-of-charge criteria is fulfilled when the battery voltage is above a
* certain limit and the battery current is below a certain limit for a
* predefined number of consecutive seconds. If true, the battery is full
*/
-static void abx500_chargalg_end_of_charge(struct abx500_chargalg *di)
+static void ab8500_chargalg_end_of_charge(struct ab8500_chargalg *di)
{
if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING &&
di->charge_state == STATE_NORMAL &&
@@ -815,7 +814,7 @@ static void abx500_chargalg_end_of_charge(struct abx500_chargalg *di)
}
}
-static void init_maxim_chg_curr(struct abx500_chargalg *di)
+static void init_maxim_chg_curr(struct ab8500_chargalg *di)
{
di->ccm.original_iset =
di->bm->bat_type[di->bm->batt_id].normal_cur_lvl;
@@ -828,15 +827,15 @@ static void init_maxim_chg_curr(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_chg_curr_maxim - increases the charger current to
+ * ab8500_chargalg_chg_curr_maxim - increases the charger current to
* compensate for the system load
- * @di pointer to the abx500_chargalg structure
+ * @di pointer to the ab8500_chargalg structure
*
* This maximization function is used to raise the charger current to get the
* battery current as close to the optimal value as possible. The battery
* current during charging is affected by the system load
*/
-static enum maxim_ret abx500_chargalg_chg_curr_maxim(struct abx500_chargalg *di)
+static enum maxim_ret ab8500_chargalg_chg_curr_maxim(struct ab8500_chargalg *di)
{
int delta_i;
@@ -867,7 +866,7 @@ static enum maxim_ret abx500_chargalg_chg_curr_maxim(struct abx500_chargalg *di)
di->ccm.wait_cnt = 0;
- if ((di->batt_data.inst_curr > di->ccm.original_iset)) {
+ if (di->batt_data.inst_curr > di->ccm.original_iset) {
dev_dbg(di->dev, " Maximization Ibat (%dmA) too high"
" (limit %dmA) (current iset: %dmA)!\n",
di->batt_data.inst_curr, di->ccm.original_iset,
@@ -908,21 +907,21 @@ static enum maxim_ret abx500_chargalg_chg_curr_maxim(struct abx500_chargalg *di)
}
}
-static void handle_maxim_chg_curr(struct abx500_chargalg *di)
+static void handle_maxim_chg_curr(struct ab8500_chargalg *di)
{
enum maxim_ret ret;
int result;
- ret = abx500_chargalg_chg_curr_maxim(di);
+ ret = ab8500_chargalg_chg_curr_maxim(di);
switch (ret) {
case MAXIM_RET_CHANGE:
- result = abx500_chargalg_update_chg_curr(di,
+ result = ab8500_chargalg_update_chg_curr(di,
di->ccm.current_iset);
if (result)
dev_err(di->dev, "failed to set chg curr\n");
break;
case MAXIM_RET_IBAT_TOO_HIGH:
- result = abx500_chargalg_update_chg_curr(di,
+ result = ab8500_chargalg_update_chg_curr(di,
di->bm->bat_type[di->bm->batt_id].normal_cur_lvl);
if (result)
dev_err(di->dev, "failed to set chg curr\n");
@@ -935,12 +934,12 @@ static void handle_maxim_chg_curr(struct abx500_chargalg *di)
}
}
-static int abx500_chargalg_get_ext_psy_data(struct device *dev, void *data)
+static int ab8500_chargalg_get_ext_psy_data(struct device *dev, void *data)
{
struct power_supply *psy;
struct power_supply *ext = dev_get_drvdata(dev);
const char **supplicants = (const char **)ext->supplied_to;
- struct abx500_chargalg *di;
+ struct ab8500_chargalg *di;
union power_supply_propval ret;
int j;
bool capacity_updated = false;
@@ -1260,7 +1259,7 @@ static int abx500_chargalg_get_ext_psy_data(struct device *dev, void *data)
}
/**
- * abx500_chargalg_external_power_changed() - callback for power supply changes
+ * ab8500_chargalg_external_power_changed() - callback for power supply changes
* @psy: pointer to the structure power_supply
*
* This function is the entry point of the pointer external_power_changed
@@ -1268,26 +1267,27 @@ static int abx500_chargalg_get_ext_psy_data(struct device *dev, void *data)
* This function gets executed when there is a change in any external power
* supply that this driver needs to be notified of.
*/
-static void abx500_chargalg_external_power_changed(struct power_supply *psy)
+static void ab8500_chargalg_external_power_changed(struct power_supply *psy)
{
- struct abx500_chargalg *di = power_supply_get_drvdata(psy);
+ struct ab8500_chargalg *di = power_supply_get_drvdata(psy);
/*
* Trigger execution of the algorithm instantly and read
* all power_supply properties there instead
*/
- queue_work(di->chargalg_wq, &di->chargalg_work);
+ if (di->chargalg_wq)
+ queue_work(di->chargalg_wq, &di->chargalg_work);
}
/**
- * abx500_chargalg_algorithm() - Main function for the algorithm
- * @di: pointer to the abx500_chargalg structure
+ * ab8500_chargalg_algorithm() - Main function for the algorithm
+ * @di: pointer to the ab8500_chargalg structure
*
* This is the main control function for the charging algorithm.
* It is called periodically or when something happens that will
* trigger a state change
*/
-static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
+static void ab8500_chargalg_algorithm(struct ab8500_chargalg *di)
{
int charger_status;
int ret;
@@ -1295,17 +1295,17 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
/* Collect data from all power_supply class devices */
class_for_each_device(power_supply_class, NULL,
- di->chargalg_psy, abx500_chargalg_get_ext_psy_data);
+ di->chargalg_psy, ab8500_chargalg_get_ext_psy_data);
- abx500_chargalg_end_of_charge(di);
- abx500_chargalg_check_temp(di);
- abx500_chargalg_check_charger_voltage(di);
+ ab8500_chargalg_end_of_charge(di);
+ ab8500_chargalg_check_temp(di);
+ ab8500_chargalg_check_charger_voltage(di);
- charger_status = abx500_chargalg_check_charger_connection(di);
- abx500_chargalg_check_current_step_status(di);
+ charger_status = ab8500_chargalg_check_charger_connection(di);
+ ab8500_chargalg_check_current_step_status(di);
if (is_ab8500(di->parent)) {
- ret = abx500_chargalg_check_charger_enable(di);
+ ret = ab8500_chargalg_check_charger_enable(di);
if (ret < 0)
dev_err(di->dev, "Checking charger is enabled error"
": Returned Value %d\n", ret);
@@ -1320,7 +1320,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
(di->events.batt_unknown && !di->bm->chg_unknown_bat)) {
if (di->charge_state != STATE_HANDHELD) {
di->events.safety_timer_expired = false;
- abx500_chargalg_state_to(di, STATE_HANDHELD_INIT);
+ ab8500_chargalg_state_to(di, STATE_HANDHELD_INIT);
}
}
@@ -1333,7 +1333,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
/* Safety timer expiration */
else if (di->events.safety_timer_expired) {
if (di->charge_state != STATE_SAFETY_TIMER_EXPIRED)
- abx500_chargalg_state_to(di,
+ ab8500_chargalg_state_to(di,
STATE_SAFETY_TIMER_EXPIRED_INIT);
}
/*
@@ -1344,7 +1344,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
/* Battery removed */
else if (di->events.batt_rem) {
if (di->charge_state != STATE_BATT_REMOVED)
- abx500_chargalg_state_to(di, STATE_BATT_REMOVED_INIT);
+ ab8500_chargalg_state_to(di, STATE_BATT_REMOVED_INIT);
}
/* Main or USB charger not ok. */
else if (di->events.mainextchnotok || di->events.usbchargernotok) {
@@ -1354,7 +1354,7 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
*/
if (di->charge_state != STATE_CHG_NOT_OK &&
!di->events.vbus_collapsed)
- abx500_chargalg_state_to(di, STATE_CHG_NOT_OK_INIT);
+ ab8500_chargalg_state_to(di, STATE_CHG_NOT_OK_INIT);
}
/* VBUS, Main or VBAT OVV. */
else if (di->events.vbus_ovv ||
@@ -1363,31 +1363,31 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
!di->chg_info.usb_chg_ok ||
!di->chg_info.ac_chg_ok) {
if (di->charge_state != STATE_OVV_PROTECT)
- abx500_chargalg_state_to(di, STATE_OVV_PROTECT_INIT);
+ ab8500_chargalg_state_to(di, STATE_OVV_PROTECT_INIT);
}
/* USB Thermal, stop charging */
else if (di->events.main_thermal_prot ||
di->events.usb_thermal_prot) {
if (di->charge_state != STATE_HW_TEMP_PROTECT)
- abx500_chargalg_state_to(di,
+ ab8500_chargalg_state_to(di,
STATE_HW_TEMP_PROTECT_INIT);
}
/* Battery temp over/under */
else if (di->events.btemp_underover) {
if (di->charge_state != STATE_TEMP_UNDEROVER)
- abx500_chargalg_state_to(di,
+ ab8500_chargalg_state_to(di,
STATE_TEMP_UNDEROVER_INIT);
}
/* Watchdog expired */
else if (di->events.ac_wd_expired ||
di->events.usb_wd_expired) {
if (di->charge_state != STATE_WD_EXPIRED)
- abx500_chargalg_state_to(di, STATE_WD_EXPIRED_INIT);
+ ab8500_chargalg_state_to(di, STATE_WD_EXPIRED_INIT);
}
/* Battery temp high/low */
else if (di->events.btemp_lowhigh) {
if (di->charge_state != STATE_TEMP_LOWHIGH)
- abx500_chargalg_state_to(di, STATE_TEMP_LOWHIGH_INIT);
+ ab8500_chargalg_state_to(di, STATE_TEMP_LOWHIGH_INIT);
}
dev_dbg(di->dev,
@@ -1419,9 +1419,9 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
switch (di->charge_state) {
case STATE_HANDHELD_INIT:
- abx500_chargalg_stop_charging(di);
+ ab8500_chargalg_stop_charging(di);
di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING;
- abx500_chargalg_state_to(di, STATE_HANDHELD);
+ ab8500_chargalg_state_to(di, STATE_HANDHELD);
fallthrough;
case STATE_HANDHELD:
@@ -1429,14 +1429,14 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
case STATE_SUSPENDED_INIT:
if (di->susp_status.ac_suspended)
- abx500_chargalg_ac_en(di, false, 0, 0);
+ ab8500_chargalg_ac_en(di, false, 0, 0);
if (di->susp_status.usb_suspended)
- abx500_chargalg_usb_en(di, false, 0, 0);
- abx500_chargalg_stop_safety_timer(di);
- abx500_chargalg_stop_maintenance_timer(di);
+ ab8500_chargalg_usb_en(di, false, 0, 0);
+ ab8500_chargalg_stop_safety_timer(di);
+ ab8500_chargalg_stop_maintenance_timer(di);
di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
di->maintenance_chg = false;
- abx500_chargalg_state_to(di, STATE_SUSPENDED);
+ ab8500_chargalg_state_to(di, STATE_SUSPENDED);
power_supply_changed(di->chargalg_psy);
fallthrough;
@@ -1445,29 +1445,29 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
break;
case STATE_BATT_REMOVED_INIT:
- abx500_chargalg_stop_charging(di);
- abx500_chargalg_state_to(di, STATE_BATT_REMOVED);
+ ab8500_chargalg_stop_charging(di);
+ ab8500_chargalg_state_to(di, STATE_BATT_REMOVED);
fallthrough;
case STATE_BATT_REMOVED:
if (!di->events.batt_rem)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_HW_TEMP_PROTECT_INIT:
- abx500_chargalg_stop_charging(di);
- abx500_chargalg_state_to(di, STATE_HW_TEMP_PROTECT);
+ ab8500_chargalg_stop_charging(di);
+ ab8500_chargalg_state_to(di, STATE_HW_TEMP_PROTECT);
fallthrough;
case STATE_HW_TEMP_PROTECT:
if (!di->events.main_thermal_prot &&
!di->events.usb_thermal_prot)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_OVV_PROTECT_INIT:
- abx500_chargalg_stop_charging(di);
- abx500_chargalg_state_to(di, STATE_OVV_PROTECT);
+ ab8500_chargalg_stop_charging(di);
+ ab8500_chargalg_state_to(di, STATE_OVV_PROTECT);
fallthrough;
case STATE_OVV_PROTECT:
@@ -1476,23 +1476,23 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
!di->events.batt_ovv &&
di->chg_info.usb_chg_ok &&
di->chg_info.ac_chg_ok)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_CHG_NOT_OK_INIT:
- abx500_chargalg_stop_charging(di);
- abx500_chargalg_state_to(di, STATE_CHG_NOT_OK);
+ ab8500_chargalg_stop_charging(di);
+ ab8500_chargalg_state_to(di, STATE_CHG_NOT_OK);
fallthrough;
case STATE_CHG_NOT_OK:
if (!di->events.mainextchnotok &&
!di->events.usbchargernotok)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_SAFETY_TIMER_EXPIRED_INIT:
- abx500_chargalg_stop_charging(di);
- abx500_chargalg_state_to(di, STATE_SAFETY_TIMER_EXPIRED);
+ ab8500_chargalg_stop_charging(di);
+ ab8500_chargalg_state_to(di, STATE_SAFETY_TIMER_EXPIRED);
fallthrough;
case STATE_SAFETY_TIMER_EXPIRED:
@@ -1501,20 +1501,20 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
case STATE_NORMAL_INIT:
if (di->curr_status.curr_step == CHARGALG_CURR_STEP_LOW)
- abx500_chargalg_stop_charging(di);
+ ab8500_chargalg_stop_charging(di);
else {
curr_step_lvl = di->bm->bat_type[
di->bm->batt_id].normal_cur_lvl
* di->curr_status.curr_step
/ CHARGALG_CURR_STEP_HIGH;
- abx500_chargalg_start_charging(di,
+ ab8500_chargalg_start_charging(di,
di->bm->bat_type[di->bm->batt_id]
.normal_vol_lvl, curr_step_lvl);
}
- abx500_chargalg_state_to(di, STATE_NORMAL);
- abx500_chargalg_start_safety_timer(di);
- abx500_chargalg_stop_maintenance_timer(di);
+ ab8500_chargalg_state_to(di, STATE_NORMAL);
+ ab8500_chargalg_start_safety_timer(di);
+ ab8500_chargalg_stop_maintenance_timer(di);
init_maxim_chg_curr(di);
di->charge_status = POWER_SUPPLY_STATUS_CHARGING;
di->eoc_cnt = 0;
@@ -1528,104 +1528,103 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
if (di->charge_status == POWER_SUPPLY_STATUS_FULL &&
di->maintenance_chg) {
if (di->bm->no_maintenance)
- abx500_chargalg_state_to(di,
+ ab8500_chargalg_state_to(di,
STATE_WAIT_FOR_RECHARGE_INIT);
else
- abx500_chargalg_state_to(di,
+ ab8500_chargalg_state_to(di,
STATE_MAINTENANCE_A_INIT);
}
break;
/* This state will be used when the maintenance state is disabled */
case STATE_WAIT_FOR_RECHARGE_INIT:
- abx500_chargalg_hold_charging(di);
- abx500_chargalg_state_to(di, STATE_WAIT_FOR_RECHARGE);
+ ab8500_chargalg_hold_charging(di);
+ ab8500_chargalg_state_to(di, STATE_WAIT_FOR_RECHARGE);
fallthrough;
case STATE_WAIT_FOR_RECHARGE:
if (di->batt_data.percent <=
- di->bm->bat_type[di->bm->batt_id].
- recharge_cap)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ di->bm->bat_type[di->bm->batt_id].recharge_cap)
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_MAINTENANCE_A_INIT:
- abx500_chargalg_stop_safety_timer(di);
- abx500_chargalg_start_maintenance_timer(di,
+ ab8500_chargalg_stop_safety_timer(di);
+ ab8500_chargalg_start_maintenance_timer(di,
di->bm->bat_type[
di->bm->batt_id].maint_a_chg_timer_h);
- abx500_chargalg_start_charging(di,
+ ab8500_chargalg_start_charging(di,
di->bm->bat_type[
di->bm->batt_id].maint_a_vol_lvl,
di->bm->bat_type[
di->bm->batt_id].maint_a_cur_lvl);
- abx500_chargalg_state_to(di, STATE_MAINTENANCE_A);
+ ab8500_chargalg_state_to(di, STATE_MAINTENANCE_A);
power_supply_changed(di->chargalg_psy);
fallthrough;
case STATE_MAINTENANCE_A:
if (di->events.maintenance_timer_expired) {
- abx500_chargalg_stop_maintenance_timer(di);
- abx500_chargalg_state_to(di, STATE_MAINTENANCE_B_INIT);
+ ab8500_chargalg_stop_maintenance_timer(di);
+ ab8500_chargalg_state_to(di, STATE_MAINTENANCE_B_INIT);
}
break;
case STATE_MAINTENANCE_B_INIT:
- abx500_chargalg_start_maintenance_timer(di,
+ ab8500_chargalg_start_maintenance_timer(di,
di->bm->bat_type[
di->bm->batt_id].maint_b_chg_timer_h);
- abx500_chargalg_start_charging(di,
+ ab8500_chargalg_start_charging(di,
di->bm->bat_type[
di->bm->batt_id].maint_b_vol_lvl,
di->bm->bat_type[
di->bm->batt_id].maint_b_cur_lvl);
- abx500_chargalg_state_to(di, STATE_MAINTENANCE_B);
+ ab8500_chargalg_state_to(di, STATE_MAINTENANCE_B);
power_supply_changed(di->chargalg_psy);
fallthrough;
case STATE_MAINTENANCE_B:
if (di->events.maintenance_timer_expired) {
- abx500_chargalg_stop_maintenance_timer(di);
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_stop_maintenance_timer(di);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
}
break;
case STATE_TEMP_LOWHIGH_INIT:
- abx500_chargalg_start_charging(di,
+ ab8500_chargalg_start_charging(di,
di->bm->bat_type[
di->bm->batt_id].low_high_vol_lvl,
di->bm->bat_type[
di->bm->batt_id].low_high_cur_lvl);
- abx500_chargalg_stop_maintenance_timer(di);
+ ab8500_chargalg_stop_maintenance_timer(di);
di->charge_status = POWER_SUPPLY_STATUS_CHARGING;
- abx500_chargalg_state_to(di, STATE_TEMP_LOWHIGH);
+ ab8500_chargalg_state_to(di, STATE_TEMP_LOWHIGH);
power_supply_changed(di->chargalg_psy);
fallthrough;
case STATE_TEMP_LOWHIGH:
if (!di->events.btemp_lowhigh)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_WD_EXPIRED_INIT:
- abx500_chargalg_stop_charging(di);
- abx500_chargalg_state_to(di, STATE_WD_EXPIRED);
+ ab8500_chargalg_stop_charging(di);
+ ab8500_chargalg_state_to(di, STATE_WD_EXPIRED);
fallthrough;
case STATE_WD_EXPIRED:
if (!di->events.ac_wd_expired &&
!di->events.usb_wd_expired)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
case STATE_TEMP_UNDEROVER_INIT:
- abx500_chargalg_stop_charging(di);
- abx500_chargalg_state_to(di, STATE_TEMP_UNDEROVER);
+ ab8500_chargalg_stop_charging(di);
+ ab8500_chargalg_state_to(di, STATE_TEMP_UNDEROVER);
fallthrough;
case STATE_TEMP_UNDEROVER:
if (!di->events.btemp_underover)
- abx500_chargalg_state_to(di, STATE_NORMAL_INIT);
+ ab8500_chargalg_state_to(di, STATE_NORMAL_INIT);
break;
}
@@ -1637,17 +1636,17 @@ static void abx500_chargalg_algorithm(struct abx500_chargalg *di)
}
/**
- * abx500_chargalg_periodic_work() - Periodic work for the algorithm
+ * ab8500_chargalg_periodic_work() - Periodic work for the algorithm
* @work: pointer to the work_struct structure
*
* Work queue function for the charging algorithm
*/
-static void abx500_chargalg_periodic_work(struct work_struct *work)
+static void ab8500_chargalg_periodic_work(struct work_struct *work)
{
- struct abx500_chargalg *di = container_of(work,
- struct abx500_chargalg, chargalg_periodic_work.work);
+ struct ab8500_chargalg *di = container_of(work,
+ struct ab8500_chargalg, chargalg_periodic_work.work);
- abx500_chargalg_algorithm(di);
+ ab8500_chargalg_algorithm(di);
/*
* If a charger is connected then the battery has to be monitored
@@ -1664,20 +1663,18 @@ static void abx500_chargalg_periodic_work(struct work_struct *work)
}
/**
- * abx500_chargalg_wd_work() - periodic work to kick the charger watchdog
+ * ab8500_chargalg_wd_work() - periodic work to kick the charger watchdog
* @work: pointer to the work_struct structure
*
* Work queue function for kicking the charger watchdog
*/
-static void abx500_chargalg_wd_work(struct work_struct *work)
+static void ab8500_chargalg_wd_work(struct work_struct *work)
{
int ret;
- struct abx500_chargalg *di = container_of(work,
- struct abx500_chargalg, chargalg_wd_work.work);
-
- dev_dbg(di->dev, "abx500_chargalg_wd_work\n");
+ struct ab8500_chargalg *di = container_of(work,
+ struct ab8500_chargalg, chargalg_wd_work.work);
- ret = abx500_chargalg_kick_watchdog(di);
+ ret = ab8500_chargalg_kick_watchdog(di);
if (ret < 0)
dev_err(di->dev, "failed to kick watchdog\n");
@@ -1686,21 +1683,21 @@ static void abx500_chargalg_wd_work(struct work_struct *work)
}
/**
- * abx500_chargalg_work() - Work to run the charging algorithm instantly
+ * ab8500_chargalg_work() - Work to run the charging algorithm instantly
* @work: pointer to the work_struct structure
*
* Work queue function for calling the charging algorithm
*/
-static void abx500_chargalg_work(struct work_struct *work)
+static void ab8500_chargalg_work(struct work_struct *work)
{
- struct abx500_chargalg *di = container_of(work,
- struct abx500_chargalg, chargalg_work);
+ struct ab8500_chargalg *di = container_of(work,
+ struct ab8500_chargalg, chargalg_work);
- abx500_chargalg_algorithm(di);
+ ab8500_chargalg_algorithm(di);
}
/**
- * abx500_chargalg_get_property() - get the chargalg properties
+ * ab8500_chargalg_get_property() - get the chargalg properties
* @psy: pointer to the power_supply structure
* @psp: pointer to the power_supply_property structure
* @val: pointer to the power_supply_propval union
@@ -1711,11 +1708,11 @@ static void abx500_chargalg_work(struct work_struct *work)
* health: health of the battery
* Returns error code in case of failure else 0 on success
*/
-static int abx500_chargalg_get_property(struct power_supply *psy,
+static int ab8500_chargalg_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
- struct abx500_chargalg *di = power_supply_get_drvdata(psy);
+ struct ab8500_chargalg *di = power_supply_get_drvdata(psy);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
@@ -1744,16 +1741,16 @@ static int abx500_chargalg_get_property(struct power_supply *psy,
/* Exposure to the sysfs interface */
-static ssize_t abx500_chargalg_curr_step_show(struct abx500_chargalg *di,
+static ssize_t ab8500_chargalg_curr_step_show(struct ab8500_chargalg *di,
char *buf)
{
return sprintf(buf, "%d\n", di->curr_status.curr_step);
}
-static ssize_t abx500_chargalg_curr_step_store(struct abx500_chargalg *di,
+static ssize_t ab8500_chargalg_curr_step_store(struct ab8500_chargalg *di,
const char *buf, size_t length)
{
- long int param;
+ long param;
int ret;
ret = kstrtol(buf, 10, &param);
@@ -1775,7 +1772,7 @@ static ssize_t abx500_chargalg_curr_step_store(struct abx500_chargalg *di,
}
-static ssize_t abx500_chargalg_en_show(struct abx500_chargalg *di,
+static ssize_t ab8500_chargalg_en_show(struct ab8500_chargalg *di,
char *buf)
{
return sprintf(buf, "%d\n",
@@ -1783,10 +1780,10 @@ static ssize_t abx500_chargalg_en_show(struct abx500_chargalg *di,
di->susp_status.usb_suspended);
}
-static ssize_t abx500_chargalg_en_store(struct abx500_chargalg *di,
+static ssize_t ab8500_chargalg_en_store(struct ab8500_chargalg *di,
const char *buf, size_t length)
{
- long int param;
+ long param;
int ac_usb;
int ret;
@@ -1830,22 +1827,22 @@ static ssize_t abx500_chargalg_en_store(struct abx500_chargalg *di,
return strlen(buf);
}
-static struct abx500_chargalg_sysfs_entry abx500_chargalg_en_charger =
- __ATTR(chargalg, 0644, abx500_chargalg_en_show,
- abx500_chargalg_en_store);
+static struct ab8500_chargalg_sysfs_entry ab8500_chargalg_en_charger =
+ __ATTR(chargalg, 0644, ab8500_chargalg_en_show,
+ ab8500_chargalg_en_store);
-static struct abx500_chargalg_sysfs_entry abx500_chargalg_curr_step =
- __ATTR(chargalg_curr_step, 0644, abx500_chargalg_curr_step_show,
- abx500_chargalg_curr_step_store);
+static struct ab8500_chargalg_sysfs_entry ab8500_chargalg_curr_step =
+ __ATTR(chargalg_curr_step, 0644, ab8500_chargalg_curr_step_show,
+ ab8500_chargalg_curr_step_store);
-static ssize_t abx500_chargalg_sysfs_show(struct kobject *kobj,
+static ssize_t ab8500_chargalg_sysfs_show(struct kobject *kobj,
struct attribute *attr, char *buf)
{
- struct abx500_chargalg_sysfs_entry *entry = container_of(attr,
- struct abx500_chargalg_sysfs_entry, attr);
+ struct ab8500_chargalg_sysfs_entry *entry = container_of(attr,
+ struct ab8500_chargalg_sysfs_entry, attr);
- struct abx500_chargalg *di = container_of(kobj,
- struct abx500_chargalg, chargalg_kobject);
+ struct ab8500_chargalg *di = container_of(kobj,
+ struct ab8500_chargalg, chargalg_kobject);
if (!entry->show)
return -EIO;
@@ -1853,14 +1850,14 @@ static ssize_t abx500_chargalg_sysfs_show(struct kobject *kobj,
return entry->show(di, buf);
}
-static ssize_t abx500_chargalg_sysfs_charger(struct kobject *kobj,
+static ssize_t ab8500_chargalg_sysfs_charger(struct kobject *kobj,
struct attribute *attr, const char *buf, size_t length)
{
- struct abx500_chargalg_sysfs_entry *entry = container_of(attr,
- struct abx500_chargalg_sysfs_entry, attr);
+ struct ab8500_chargalg_sysfs_entry *entry = container_of(attr,
+ struct ab8500_chargalg_sysfs_entry, attr);
- struct abx500_chargalg *di = container_of(kobj,
- struct abx500_chargalg, chargalg_kobject);
+ struct ab8500_chargalg *di = container_of(kobj,
+ struct ab8500_chargalg, chargalg_kobject);
if (!entry->store)
return -EIO;
@@ -1868,47 +1865,47 @@ static ssize_t abx500_chargalg_sysfs_charger(struct kobject *kobj,
return entry->store(di, buf, length);
}
-static struct attribute *abx500_chargalg_chg[] = {
- &abx500_chargalg_en_charger.attr,
- &abx500_chargalg_curr_step.attr,
+static struct attribute *ab8500_chargalg_chg[] = {
+ &ab8500_chargalg_en_charger.attr,
+ &ab8500_chargalg_curr_step.attr,
NULL,
};
-static const struct sysfs_ops abx500_chargalg_sysfs_ops = {
- .show = abx500_chargalg_sysfs_show,
- .store = abx500_chargalg_sysfs_charger,
+static const struct sysfs_ops ab8500_chargalg_sysfs_ops = {
+ .show = ab8500_chargalg_sysfs_show,
+ .store = ab8500_chargalg_sysfs_charger,
};
-static struct kobj_type abx500_chargalg_ktype = {
- .sysfs_ops = &abx500_chargalg_sysfs_ops,
- .default_attrs = abx500_chargalg_chg,
+static struct kobj_type ab8500_chargalg_ktype = {
+ .sysfs_ops = &ab8500_chargalg_sysfs_ops,
+ .default_attrs = ab8500_chargalg_chg,
};
/**
- * abx500_chargalg_sysfs_exit() - de-init of sysfs entry
- * @di: pointer to the struct abx500_chargalg
+ * ab8500_chargalg_sysfs_exit() - de-init of sysfs entry
+ * @di: pointer to the struct ab8500_chargalg
*
* This function removes the entry in sysfs.
*/
-static void abx500_chargalg_sysfs_exit(struct abx500_chargalg *di)
+static void ab8500_chargalg_sysfs_exit(struct ab8500_chargalg *di)
{
kobject_del(&di->chargalg_kobject);
}
/**
- * abx500_chargalg_sysfs_init() - init of sysfs entry
- * @di: pointer to the struct abx500_chargalg
+ * ab8500_chargalg_sysfs_init() - init of sysfs entry
+ * @di: pointer to the struct ab8500_chargalg
*
* This function adds an entry in sysfs.
* Returns error code in case of failure else 0(on success)
*/
-static int abx500_chargalg_sysfs_init(struct abx500_chargalg *di)
+static int ab8500_chargalg_sysfs_init(struct ab8500_chargalg *di)
{
int ret = 0;
ret = kobject_init_and_add(&di->chargalg_kobject,
- &abx500_chargalg_ktype,
- NULL, "abx500_chargalg");
+ &ab8500_chargalg_ktype,
+ NULL, "ab8500_chargalg");
if (ret < 0)
dev_err(di->dev, "failed to create sysfs entry\n");
@@ -1916,9 +1913,9 @@ static int abx500_chargalg_sysfs_init(struct abx500_chargalg *di)
}
/* Exposure to the sysfs interface <<END>> */
-static int __maybe_unused abx500_chargalg_resume(struct device *dev)
+static int __maybe_unused ab8500_chargalg_resume(struct device *dev)
{
- struct abx500_chargalg *di = dev_get_drvdata(dev);
+ struct ab8500_chargalg *di = dev_get_drvdata(dev);
/* Kick charger watchdog if charging (any charger online) */
if (di->chg_info.online_chg)
@@ -1933,9 +1930,9 @@ static int __maybe_unused abx500_chargalg_resume(struct device *dev)
return 0;
}
-static int __maybe_unused abx500_chargalg_suspend(struct device *dev)
+static int __maybe_unused ab8500_chargalg_suspend(struct device *dev)
{
- struct abx500_chargalg *di = dev_get_drvdata(dev);
+ struct ab8500_chargalg *di = dev_get_drvdata(dev);
if (di->chg_info.online_chg)
cancel_delayed_work_sync(&di->chargalg_wd_work);
@@ -1949,22 +1946,22 @@ static char *supply_interface[] = {
"ab8500_fg",
};
-static const struct power_supply_desc abx500_chargalg_desc = {
- .name = "abx500_chargalg",
+static const struct power_supply_desc ab8500_chargalg_desc = {
+ .name = "ab8500_chargalg",
.type = POWER_SUPPLY_TYPE_BATTERY,
- .properties = abx500_chargalg_props,
- .num_properties = ARRAY_SIZE(abx500_chargalg_props),
- .get_property = abx500_chargalg_get_property,
- .external_power_changed = abx500_chargalg_external_power_changed,
+ .properties = ab8500_chargalg_props,
+ .num_properties = ARRAY_SIZE(ab8500_chargalg_props),
+ .get_property = ab8500_chargalg_get_property,
+ .external_power_changed = ab8500_chargalg_external_power_changed,
};
-static int abx500_chargalg_bind(struct device *dev, struct device *master,
+static int ab8500_chargalg_bind(struct device *dev, struct device *master,
void *data)
{
- struct abx500_chargalg *di = dev_get_drvdata(dev);
+ struct ab8500_chargalg *di = dev_get_drvdata(dev);
/* Create a work queue for the chargalg */
- di->chargalg_wq = alloc_ordered_workqueue("abx500_chargalg_wq",
+ di->chargalg_wq = alloc_ordered_workqueue("ab8500_chargalg_wq",
WQ_MEM_RECLAIM);
if (di->chargalg_wq == NULL) {
dev_err(di->dev, "failed to create work queue\n");
@@ -1977,10 +1974,10 @@ static int abx500_chargalg_bind(struct device *dev, struct device *master,
return 0;
}
-static void abx500_chargalg_unbind(struct device *dev, struct device *master,
+static void ab8500_chargalg_unbind(struct device *dev, struct device *master,
void *data)
{
- struct abx500_chargalg *di = dev_get_drvdata(dev);
+ struct ab8500_chargalg *di = dev_get_drvdata(dev);
/* Stop all timers and work */
hrtimer_cancel(&di->safety_timer);
@@ -1995,16 +1992,16 @@ static void abx500_chargalg_unbind(struct device *dev, struct device *master,
flush_scheduled_work();
}
-static const struct component_ops abx500_chargalg_component_ops = {
- .bind = abx500_chargalg_bind,
- .unbind = abx500_chargalg_unbind,
+static const struct component_ops ab8500_chargalg_component_ops = {
+ .bind = ab8500_chargalg_bind,
+ .unbind = ab8500_chargalg_unbind,
};
-static int abx500_chargalg_probe(struct platform_device *pdev)
+static int ab8500_chargalg_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct power_supply_config psy_cfg = {};
- struct abx500_chargalg *di;
+ struct ab8500_chargalg *di;
int ret = 0;
di = devm_kzalloc(dev, sizeof(*di), GFP_KERNEL);
@@ -2023,28 +2020,28 @@ static int abx500_chargalg_probe(struct platform_device *pdev)
/* Initilialize safety timer */
hrtimer_init(&di->safety_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
- di->safety_timer.function = abx500_chargalg_safety_timer_expired;
+ di->safety_timer.function = ab8500_chargalg_safety_timer_expired;
/* Initilialize maintenance timer */
hrtimer_init(&di->maintenance_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
di->maintenance_timer.function =
- abx500_chargalg_maintenance_timer_expired;
+ ab8500_chargalg_maintenance_timer_expired;
/* Init work for chargalg */
INIT_DEFERRABLE_WORK(&di->chargalg_periodic_work,
- abx500_chargalg_periodic_work);
+ ab8500_chargalg_periodic_work);
INIT_DEFERRABLE_WORK(&di->chargalg_wd_work,
- abx500_chargalg_wd_work);
+ ab8500_chargalg_wd_work);
/* Init work for chargalg */
- INIT_WORK(&di->chargalg_work, abx500_chargalg_work);
+ INIT_WORK(&di->chargalg_work, ab8500_chargalg_work);
/* To detect charger at startup */
di->chg_info.prev_conn_chg = -1;
/* Register chargalg power supply class */
di->chargalg_psy = devm_power_supply_register(di->dev,
- &abx500_chargalg_desc,
+ &ab8500_chargalg_desc,
&psy_cfg);
if (IS_ERR(di->chargalg_psy)) {
dev_err(di->dev, "failed to register chargalg psy\n");
@@ -2054,7 +2051,7 @@ static int abx500_chargalg_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, di);
/* sysfs interface to enable/disable charging from user space */
- ret = abx500_chargalg_sysfs_init(di);
+ ret = ab8500_chargalg_sysfs_init(di);
if (ret) {
dev_err(di->dev, "failed to create sysfs entry\n");
return ret;
@@ -2062,38 +2059,38 @@ static int abx500_chargalg_probe(struct platform_device *pdev)
di->curr_status.curr_step = CHARGALG_CURR_STEP_HIGH;
dev_info(di->dev, "probe success\n");
- return component_add(dev, &abx500_chargalg_component_ops);
+ return component_add(dev, &ab8500_chargalg_component_ops);
}
-static int abx500_chargalg_remove(struct platform_device *pdev)
+static int ab8500_chargalg_remove(struct platform_device *pdev)
{
- struct abx500_chargalg *di = platform_get_drvdata(pdev);
+ struct ab8500_chargalg *di = platform_get_drvdata(pdev);
- component_del(&pdev->dev, &abx500_chargalg_component_ops);
+ component_del(&pdev->dev, &ab8500_chargalg_component_ops);
/* sysfs interface to enable/disable charging from user space */
- abx500_chargalg_sysfs_exit(di);
+ ab8500_chargalg_sysfs_exit(di);
return 0;
}
-static SIMPLE_DEV_PM_OPS(abx500_chargalg_pm_ops, abx500_chargalg_suspend, abx500_chargalg_resume);
+static SIMPLE_DEV_PM_OPS(ab8500_chargalg_pm_ops, ab8500_chargalg_suspend, ab8500_chargalg_resume);
static const struct of_device_id ab8500_chargalg_match[] = {
{ .compatible = "stericsson,ab8500-chargalg", },
{ },
};
-struct platform_driver abx500_chargalg_driver = {
- .probe = abx500_chargalg_probe,
- .remove = abx500_chargalg_remove,
+struct platform_driver ab8500_chargalg_driver = {
+ .probe = ab8500_chargalg_probe,
+ .remove = ab8500_chargalg_remove,
.driver = {
- .name = "ab8500-chargalg",
+ .name = "ab8500_chargalg",
.of_match_table = ab8500_chargalg_match,
- .pm = &abx500_chargalg_pm_ops,
+ .pm = &ab8500_chargalg_pm_ops,
},
};
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Johan Palsson, Karl Komierowski");
-MODULE_ALIAS("platform:abx500-chargalg");
-MODULE_DESCRIPTION("abx500 battery charging algorithm");
+MODULE_ALIAS("platform:ab8500-chargalg");
+MODULE_DESCRIPTION("ab8500 battery charging algorithm");
diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c
index fa49e12e5a60..15eadaf46f14 100644
--- a/drivers/power/supply/ab8500_charger.c
+++ b/drivers/power/supply/ab8500_charger.c
@@ -292,7 +292,7 @@ struct ab8500_charger {
struct iio_channel *adc_main_charger_c;
struct iio_channel *adc_vbus_v;
struct iio_channel *adc_usb_charger_c;
- struct abx500_bm_data *bm;
+ struct ab8500_bm_data *bm;
struct ab8500_charger_event_flags flags;
struct ab8500_charger_usb_state usb_state;
struct ab8500_charger_max_usb_in_curr max_usb_in_curr;
@@ -3388,7 +3388,7 @@ static const struct component_master_ops ab8500_charger_comp_ops = {
static struct platform_driver *const ab8500_charger_component_drivers[] = {
&ab8500_fg_driver,
&ab8500_btemp_driver,
- &abx500_chargalg_driver,
+ &ab8500_chargalg_driver,
};
static int ab8500_charger_compare_dev(struct device *dev, void *data)
diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c
index a6ebdb269fdd..05fe9724ba50 100644
--- a/drivers/power/supply/ab8500_fg.c
+++ b/drivers/power/supply/ab8500_fg.c
@@ -34,6 +34,7 @@
#include <linux/mfd/abx500/ab8500.h>
#include <linux/iio/consumer.h>
#include <linux/kernel.h>
+#include <linux/fixp-arith.h>
#include "ab8500-bm.h"
@@ -56,9 +57,6 @@
/* FG constants */
#define BATT_OVV 0x01
-#define interpolate(x, x1, y1, x2, y2) \
- ((y1) + ((((y2) - (y1)) * ((x) - (x1))) / ((x2) - (x1))));
-
/**
* struct ab8500_fg_interrupts - ab8500 fg interrupts
* @name: name of the interrupt
@@ -227,7 +225,7 @@ struct ab8500_fg {
struct ab8500_fg_avg_cap avg_cap;
struct ab8500 *parent;
struct iio_channel *main_bat_v;
- struct abx500_bm_data *bm;
+ struct ab8500_bm_data *bm;
struct power_supply *fg_psy;
struct workqueue_struct *fg_wq;
struct delayed_work fg_periodic_work;
@@ -856,7 +854,7 @@ static int ab8500_fg_bat_voltage(struct ab8500_fg *di)
static int ab8500_fg_volt_to_capacity(struct ab8500_fg *di, int voltage)
{
int i, tbl_size;
- const struct abx500_v_to_cap *tbl;
+ const struct ab8500_v_to_cap *tbl;
int cap = 0;
tbl = di->bm->bat_type[di->bm->batt_id].v_to_cap_tbl;
@@ -868,11 +866,12 @@ static int ab8500_fg_volt_to_capacity(struct ab8500_fg *di, int voltage)
}
if ((i > 0) && (i < tbl_size)) {
- cap = interpolate(voltage,
+ cap = fixp_linear_interpolate(
tbl[i].voltage,
tbl[i].capacity * 10,
tbl[i-1].voltage,
- tbl[i-1].capacity * 10);
+ tbl[i-1].capacity * 10,
+ voltage);
} else if (i == 0) {
cap = 1000;
} else {
@@ -920,11 +919,12 @@ static int ab8500_fg_battery_resistance(struct ab8500_fg *di)
}
if ((i > 0) && (i < tbl_size)) {
- resist = interpolate(di->bat_temp / 10,
+ resist = fixp_linear_interpolate(
tbl[i].temp,
tbl[i].resist,
tbl[i-1].temp,
- tbl[i-1].resist);
+ tbl[i-1].resist,
+ di->bat_temp / 10);
} else if (i == 0) {
resist = tbl[0].resist;
} else {
@@ -2235,7 +2235,7 @@ static int ab8500_fg_get_ext_psy_data(struct device *dev, void *data)
case POWER_SUPPLY_TYPE_BATTERY:
if (!di->flags.batt_id_received &&
di->bm->batt_id != BATTERY_UNKNOWN) {
- const struct abx500_battery_type *b;
+ const struct ab8500_battery_type *b;
b = &(di->bm->bat_type[di->bm->batt_id]);
diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c
index a4df1ea92386..b9553be9bed5 100644
--- a/drivers/power/supply/axp288_charger.c
+++ b/drivers/power/supply/axp288_charger.c
@@ -813,7 +813,7 @@ static int axp288_charger_probe(struct platform_device *pdev)
if (val == 0)
return -ENODEV;
- info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
@@ -823,7 +823,7 @@ static int axp288_charger_probe(struct platform_device *pdev)
info->cable.edev = extcon_get_extcon_dev(AXP288_EXTCON_DEV_NAME);
if (info->cable.edev == NULL) {
- dev_dbg(&pdev->dev, "%s is not ready, probe deferred\n",
+ dev_dbg(dev, "%s is not ready, probe deferred\n",
AXP288_EXTCON_DEV_NAME);
return -EPROBE_DEFER;
}
@@ -834,8 +834,7 @@ static int axp288_charger_probe(struct platform_device *pdev)
dev_dbg(dev, "EXTCON_USB_HOST is not ready, probe deferred\n");
return -EPROBE_DEFER;
}
- dev_info(&pdev->dev,
- "Using " USB_HOST_EXTCON_HID " extcon for usb-id\n");
+ dev_info(dev, "Using " USB_HOST_EXTCON_HID " extcon for usb-id\n");
}
platform_set_drvdata(pdev, info);
@@ -874,7 +873,7 @@ static int axp288_charger_probe(struct platform_device *pdev)
INIT_WORK(&info->otg.work, axp288_charger_otg_evt_worker);
info->otg.id_nb.notifier_call = axp288_charger_handle_otg_evt;
if (info->otg.cable) {
- ret = devm_extcon_register_notifier(&pdev->dev, info->otg.cable,
+ ret = devm_extcon_register_notifier(dev, info->otg.cable,
EXTCON_USB_HOST, &info->otg.id_nb);
if (ret) {
dev_err(dev, "failed to register EXTCON_USB_HOST notifier\n");
@@ -899,7 +898,7 @@ static int axp288_charger_probe(struct platform_device *pdev)
NULL, axp288_charger_irq_thread_handler,
IRQF_ONESHOT, info->pdev->name, info);
if (ret) {
- dev_err(&pdev->dev, "failed to request interrupt=%d\n",
+ dev_err(dev, "failed to request interrupt=%d\n",
info->irq[i]);
return ret;
}
diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c
index 2ba2d8d6b8e6..c1da217fdb0e 100644
--- a/drivers/power/supply/axp288_fuel_gauge.c
+++ b/drivers/power/supply/axp288_fuel_gauge.c
@@ -2,7 +2,8 @@
/*
* axp288_fuel_gauge.c - Xpower AXP288 PMIC Fuel Gauge Driver
*
- * Copyright (C) 2016-2017 Hans de Goede <hdegoede@redhat.com>
+ * Copyright (C) 2020-2021 Andrejus Basovas <xxx@yyy.tld>
+ * Copyright (C) 2016-2021 Hans de Goede <hdegoede@redhat.com>
* Copyright (C) 2014 Intel Corporation
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -19,38 +20,37 @@
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/iio/consumer.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
#include <asm/unaligned.h>
+#include <asm/iosf_mbi.h>
-#define PS_STAT_VBUS_TRIGGER (1 << 0)
-#define PS_STAT_BAT_CHRG_DIR (1 << 2)
-#define PS_STAT_VBAT_ABOVE_VHOLD (1 << 3)
-#define PS_STAT_VBUS_VALID (1 << 4)
-#define PS_STAT_VBUS_PRESENT (1 << 5)
+#define PS_STAT_VBUS_TRIGGER (1 << 0)
+#define PS_STAT_BAT_CHRG_DIR (1 << 2)
+#define PS_STAT_VBAT_ABOVE_VHOLD (1 << 3)
+#define PS_STAT_VBUS_VALID (1 << 4)
+#define PS_STAT_VBUS_PRESENT (1 << 5)
-#define CHRG_STAT_BAT_SAFE_MODE (1 << 3)
+#define CHRG_STAT_BAT_SAFE_MODE (1 << 3)
#define CHRG_STAT_BAT_VALID (1 << 4)
-#define CHRG_STAT_BAT_PRESENT (1 << 5)
+#define CHRG_STAT_BAT_PRESENT (1 << 5)
#define CHRG_STAT_CHARGING (1 << 6)
#define CHRG_STAT_PMIC_OTP (1 << 7)
#define CHRG_CCCV_CC_MASK 0xf /* 4 bits */
-#define CHRG_CCCV_CC_BIT_POS 0
+#define CHRG_CCCV_CC_BIT_POS 0
#define CHRG_CCCV_CC_OFFSET 200 /* 200mA */
-#define CHRG_CCCV_CC_LSB_RES 200 /* 200mA */
+#define CHRG_CCCV_CC_LSB_RES 200 /* 200mA */
#define CHRG_CCCV_ITERM_20P (1 << 4) /* 20% of CC */
#define CHRG_CCCV_CV_MASK 0x60 /* 2 bits */
-#define CHRG_CCCV_CV_BIT_POS 5
+#define CHRG_CCCV_CV_BIT_POS 5
#define CHRG_CCCV_CV_4100MV 0x0 /* 4.10V */
#define CHRG_CCCV_CV_4150MV 0x1 /* 4.15V */
#define CHRG_CCCV_CV_4200MV 0x2 /* 4.20V */
#define CHRG_CCCV_CV_4350MV 0x3 /* 4.35V */
#define CHRG_CCCV_CHG_EN (1 << 7)
-#define FG_CNTL_OCV_ADJ_STAT (1 << 2)
+#define FG_CNTL_OCV_ADJ_STAT (1 << 2)
#define FG_CNTL_OCV_ADJ_EN (1 << 3)
-#define FG_CNTL_CAP_ADJ_STAT (1 << 4)
+#define FG_CNTL_CAP_ADJ_STAT (1 << 4)
#define FG_CNTL_CAP_ADJ_EN (1 << 5)
#define FG_CNTL_CC_EN (1 << 6)
#define FG_CNTL_GAUGE_EN (1 << 7)
@@ -71,23 +71,23 @@
#define FG_CC_CAP_VALID (1 << 7)
#define FG_CC_CAP_VAL_MASK 0x7F
-#define FG_LOW_CAP_THR1_MASK 0xf0 /* 5% tp 20% */
+#define FG_LOW_CAP_THR1_MASK 0xf0 /* 5% tp 20% */
#define FG_LOW_CAP_THR1_VAL 0xa0 /* 15 perc */
-#define FG_LOW_CAP_THR2_MASK 0x0f /* 0% to 15% */
+#define FG_LOW_CAP_THR2_MASK 0x0f /* 0% to 15% */
#define FG_LOW_CAP_WARN_THR 14 /* 14 perc */
#define FG_LOW_CAP_CRIT_THR 4 /* 4 perc */
#define FG_LOW_CAP_SHDN_THR 0 /* 0 perc */
-#define NR_RETRY_CNT 3
-#define DEV_NAME "axp288_fuel_gauge"
+#define DEV_NAME "axp288_fuel_gauge"
/* 1.1mV per LSB expressed in uV */
#define VOLTAGE_FROM_ADC(a) ((a * 11) / 10)
/* properties converted to uV, uA */
-#define PROP_VOLT(a) ((a) * 1000)
-#define PROP_CURR(a) ((a) * 1000)
+#define PROP_VOLT(a) ((a) * 1000)
+#define PROP_CURR(a) ((a) * 1000)
-#define AXP288_FG_INTR_NUM 6
+#define AXP288_REG_UPDATE_INTERVAL (60 * HZ)
+#define AXP288_FG_INTR_NUM 6
enum {
QWBTU_IRQ = 0,
WBTU_IRQ,
@@ -98,9 +98,6 @@ enum {
};
enum {
- BAT_TEMP = 0,
- PMIC_TEMP,
- SYSTEM_TEMP,
BAT_CHRG_CURR,
BAT_D_CURR,
BAT_VOLT,
@@ -108,7 +105,7 @@ enum {
};
struct axp288_fg_info {
- struct platform_device *pdev;
+ struct device *dev;
struct regmap *regmap;
struct regmap_irq_chip_data *regmap_irqc;
int irq[AXP288_FG_INTR_NUM];
@@ -117,7 +114,21 @@ struct axp288_fg_info {
struct mutex lock;
int status;
int max_volt;
+ int pwr_op;
+ int low_cap;
struct dentry *debug_file;
+
+ char valid; /* zero until following fields are valid */
+ unsigned long last_updated; /* in jiffies */
+
+ int pwr_stat;
+ int fg_res;
+ int bat_volt;
+ int d_curr;
+ int c_curr;
+ int ocv;
+ int fg_cc_mtr1;
+ int fg_des_cap1;
};
static enum power_supply_property fuel_gauge_props[] = {
@@ -137,17 +148,12 @@ static enum power_supply_property fuel_gauge_props[] = {
static int fuel_gauge_reg_readb(struct axp288_fg_info *info, int reg)
{
- int ret, i;
unsigned int val;
+ int ret;
- for (i = 0; i < NR_RETRY_CNT; i++) {
- ret = regmap_read(info->regmap, reg, &val);
- if (ret != -EBUSY)
- break;
- }
-
+ ret = regmap_read(info->regmap, reg, &val);
if (ret < 0) {
- dev_err(&info->pdev->dev, "axp288 reg read err:%d\n", ret);
+ dev_err(info->dev, "Error reading reg 0x%02x err: %d\n", reg, ret);
return ret;
}
@@ -161,7 +167,7 @@ static int fuel_gauge_reg_writeb(struct axp288_fg_info *info, int reg, u8 val)
ret = regmap_write(info->regmap, reg, (unsigned int)val);
if (ret < 0)
- dev_err(&info->pdev->dev, "axp288 reg write err:%d\n", ret);
+ dev_err(info->dev, "Error writing reg 0x%02x err: %d\n", reg, ret);
return ret;
}
@@ -173,15 +179,13 @@ static int fuel_gauge_read_15bit_word(struct axp288_fg_info *info, int reg)
ret = regmap_bulk_read(info->regmap, reg, buf, 2);
if (ret < 0) {
- dev_err(&info->pdev->dev, "Error reading reg 0x%02x err: %d\n",
- reg, ret);
+ dev_err(info->dev, "Error reading reg 0x%02x err: %d\n", reg, ret);
return ret;
}
ret = get_unaligned_be16(buf);
if (!(ret & FG_15BIT_WORD_VALID)) {
- dev_err(&info->pdev->dev, "Error reg 0x%02x contents not valid\n",
- reg);
+ dev_err(info->dev, "Error reg 0x%02x contents not valid\n", reg);
return -ENXIO;
}
@@ -195,8 +199,7 @@ static int fuel_gauge_read_12bit_word(struct axp288_fg_info *info, int reg)
ret = regmap_bulk_read(info->regmap, reg, buf, 2);
if (ret < 0) {
- dev_err(&info->pdev->dev, "Error reading reg 0x%02x err: %d\n",
- reg, ret);
+ dev_err(info->dev, "Error reading reg 0x%02x err: %d\n", reg, ret);
return ret;
}
@@ -204,139 +207,78 @@ static int fuel_gauge_read_12bit_word(struct axp288_fg_info *info, int reg)
return (buf[0] << 4) | ((buf[1] >> 4) & 0x0f);
}
-#ifdef CONFIG_DEBUG_FS
-static int fuel_gauge_debug_show(struct seq_file *s, void *data)
+static int fuel_gauge_update_registers(struct axp288_fg_info *info)
{
- struct axp288_fg_info *info = s->private;
- int raw_val, ret;
-
- seq_printf(s, " PWR_STATUS[%02x] : %02x\n",
- AXP20X_PWR_INPUT_STATUS,
- fuel_gauge_reg_readb(info, AXP20X_PWR_INPUT_STATUS));
- seq_printf(s, "PWR_OP_MODE[%02x] : %02x\n",
- AXP20X_PWR_OP_MODE,
- fuel_gauge_reg_readb(info, AXP20X_PWR_OP_MODE));
- seq_printf(s, " CHRG_CTRL1[%02x] : %02x\n",
- AXP20X_CHRG_CTRL1,
- fuel_gauge_reg_readb(info, AXP20X_CHRG_CTRL1));
- seq_printf(s, " VLTF[%02x] : %02x\n",
- AXP20X_V_LTF_DISCHRG,
- fuel_gauge_reg_readb(info, AXP20X_V_LTF_DISCHRG));
- seq_printf(s, " VHTF[%02x] : %02x\n",
- AXP20X_V_HTF_DISCHRG,
- fuel_gauge_reg_readb(info, AXP20X_V_HTF_DISCHRG));
- seq_printf(s, " CC_CTRL[%02x] : %02x\n",
- AXP20X_CC_CTRL,
- fuel_gauge_reg_readb(info, AXP20X_CC_CTRL));
- seq_printf(s, "BATTERY CAP[%02x] : %02x\n",
- AXP20X_FG_RES,
- fuel_gauge_reg_readb(info, AXP20X_FG_RES));
- seq_printf(s, " FG_RDC1[%02x] : %02x\n",
- AXP288_FG_RDC1_REG,
- fuel_gauge_reg_readb(info, AXP288_FG_RDC1_REG));
- seq_printf(s, " FG_RDC0[%02x] : %02x\n",
- AXP288_FG_RDC0_REG,
- fuel_gauge_reg_readb(info, AXP288_FG_RDC0_REG));
- seq_printf(s, " FG_OCV[%02x] : %04x\n",
- AXP288_FG_OCVH_REG,
- fuel_gauge_read_12bit_word(info, AXP288_FG_OCVH_REG));
- seq_printf(s, " FG_DES_CAP[%02x] : %04x\n",
- AXP288_FG_DES_CAP1_REG,
- fuel_gauge_read_15bit_word(info, AXP288_FG_DES_CAP1_REG));
- seq_printf(s, " FG_CC_MTR[%02x] : %04x\n",
- AXP288_FG_CC_MTR1_REG,
- fuel_gauge_read_15bit_word(info, AXP288_FG_CC_MTR1_REG));
- seq_printf(s, " FG_OCV_CAP[%02x] : %02x\n",
- AXP288_FG_OCV_CAP_REG,
- fuel_gauge_reg_readb(info, AXP288_FG_OCV_CAP_REG));
- seq_printf(s, " FG_CC_CAP[%02x] : %02x\n",
- AXP288_FG_CC_CAP_REG,
- fuel_gauge_reg_readb(info, AXP288_FG_CC_CAP_REG));
- seq_printf(s, " FG_LOW_CAP[%02x] : %02x\n",
- AXP288_FG_LOW_CAP_REG,
- fuel_gauge_reg_readb(info, AXP288_FG_LOW_CAP_REG));
- seq_printf(s, "TUNING_CTL0[%02x] : %02x\n",
- AXP288_FG_TUNE0,
- fuel_gauge_reg_readb(info, AXP288_FG_TUNE0));
- seq_printf(s, "TUNING_CTL1[%02x] : %02x\n",
- AXP288_FG_TUNE1,
- fuel_gauge_reg_readb(info, AXP288_FG_TUNE1));
- seq_printf(s, "TUNING_CTL2[%02x] : %02x\n",
- AXP288_FG_TUNE2,
- fuel_gauge_reg_readb(info, AXP288_FG_TUNE2));
- seq_printf(s, "TUNING_CTL3[%02x] : %02x\n",
- AXP288_FG_TUNE3,
- fuel_gauge_reg_readb(info, AXP288_FG_TUNE3));
- seq_printf(s, "TUNING_CTL4[%02x] : %02x\n",
- AXP288_FG_TUNE4,
- fuel_gauge_reg_readb(info, AXP288_FG_TUNE4));
- seq_printf(s, "TUNING_CTL5[%02x] : %02x\n",
- AXP288_FG_TUNE5,
- fuel_gauge_reg_readb(info, AXP288_FG_TUNE5));
-
- ret = iio_read_channel_raw(info->iio_channel[BAT_TEMP], &raw_val);
- if (ret >= 0)
- seq_printf(s, "axp288-batttemp : %d\n", raw_val);
- ret = iio_read_channel_raw(info->iio_channel[PMIC_TEMP], &raw_val);
- if (ret >= 0)
- seq_printf(s, "axp288-pmictemp : %d\n", raw_val);
- ret = iio_read_channel_raw(info->iio_channel[SYSTEM_TEMP], &raw_val);
- if (ret >= 0)
- seq_printf(s, "axp288-systtemp : %d\n", raw_val);
- ret = iio_read_channel_raw(info->iio_channel[BAT_CHRG_CURR], &raw_val);
- if (ret >= 0)
- seq_printf(s, "axp288-chrgcurr : %d\n", raw_val);
- ret = iio_read_channel_raw(info->iio_channel[BAT_D_CURR], &raw_val);
- if (ret >= 0)
- seq_printf(s, "axp288-dchrgcur : %d\n", raw_val);
- ret = iio_read_channel_raw(info->iio_channel[BAT_VOLT], &raw_val);
- if (ret >= 0)
- seq_printf(s, "axp288-battvolt : %d\n", raw_val);
+ int ret;
- return 0;
-}
+ if (info->valid && time_before(jiffies, info->last_updated + AXP288_REG_UPDATE_INTERVAL))
+ return 0;
-DEFINE_SHOW_ATTRIBUTE(fuel_gauge_debug);
+ dev_dbg(info->dev, "Fuel Gauge updating register values...\n");
-static void fuel_gauge_create_debugfs(struct axp288_fg_info *info)
-{
- info->debug_file = debugfs_create_file("fuelgauge", 0666, NULL,
- info, &fuel_gauge_debug_fops);
-}
+ ret = iosf_mbi_block_punit_i2c_access();
+ if (ret < 0)
+ return ret;
-static void fuel_gauge_remove_debugfs(struct axp288_fg_info *info)
-{
- debugfs_remove(info->debug_file);
-}
-#else
-static inline void fuel_gauge_create_debugfs(struct axp288_fg_info *info)
-{
-}
-static inline void fuel_gauge_remove_debugfs(struct axp288_fg_info *info)
-{
+ ret = fuel_gauge_reg_readb(info, AXP20X_PWR_INPUT_STATUS);
+ if (ret < 0)
+ goto out;
+ info->pwr_stat = ret;
+
+ ret = fuel_gauge_reg_readb(info, AXP20X_FG_RES);
+ if (ret < 0)
+ goto out;
+ info->fg_res = ret;
+
+ ret = iio_read_channel_raw(info->iio_channel[BAT_VOLT], &info->bat_volt);
+ if (ret < 0)
+ goto out;
+
+ if (info->pwr_stat & PS_STAT_BAT_CHRG_DIR) {
+ info->d_curr = 0;
+ ret = iio_read_channel_raw(info->iio_channel[BAT_CHRG_CURR], &info->c_curr);
+ if (ret < 0)
+ goto out;
+ } else {
+ info->c_curr = 0;
+ ret = iio_read_channel_raw(info->iio_channel[BAT_D_CURR], &info->d_curr);
+ if (ret < 0)
+ goto out;
+ }
+
+ ret = fuel_gauge_read_12bit_word(info, AXP288_FG_OCVH_REG);
+ if (ret < 0)
+ goto out;
+ info->ocv = ret;
+
+ ret = fuel_gauge_read_15bit_word(info, AXP288_FG_CC_MTR1_REG);
+ if (ret < 0)
+ goto out;
+ info->fg_cc_mtr1 = ret;
+
+ ret = fuel_gauge_read_15bit_word(info, AXP288_FG_DES_CAP1_REG);
+ if (ret < 0)
+ goto out;
+ info->fg_des_cap1 = ret;
+
+ info->last_updated = jiffies;
+ info->valid = 1;
+ ret = 0;
+out:
+ iosf_mbi_unblock_punit_i2c_access();
+ return ret;
}
-#endif
static void fuel_gauge_get_status(struct axp288_fg_info *info)
{
- int pwr_stat, fg_res, curr, ret;
-
- pwr_stat = fuel_gauge_reg_readb(info, AXP20X_PWR_INPUT_STATUS);
- if (pwr_stat < 0) {
- dev_err(&info->pdev->dev,
- "PWR STAT read failed:%d\n", pwr_stat);
- return;
- }
+ int pwr_stat = info->pwr_stat;
+ int fg_res = info->fg_res;
+ int curr = info->d_curr;
/* Report full if Vbus is valid and the reported capacity is 100% */
if (!(pwr_stat & PS_STAT_VBUS_VALID))
goto not_full;
- fg_res = fuel_gauge_reg_readb(info, AXP20X_FG_RES);
- if (fg_res < 0) {
- dev_err(&info->pdev->dev, "FG RES read failed: %d\n", fg_res);
- return;
- }
if (!(fg_res & FG_REP_CAP_VALID))
goto not_full;
@@ -354,11 +296,6 @@ static void fuel_gauge_get_status(struct axp288_fg_info *info)
if (fg_res < 90 || (pwr_stat & PS_STAT_BAT_CHRG_DIR))
goto not_full;
- ret = iio_read_channel_raw(info->iio_channel[BAT_D_CURR], &curr);
- if (ret < 0) {
- dev_err(&info->pdev->dev, "FG get current failed: %d\n", ret);
- return;
- }
if (curr == 0) {
info->status = POWER_SUPPLY_STATUS_FULL;
return;
@@ -371,61 +308,16 @@ not_full:
info->status = POWER_SUPPLY_STATUS_DISCHARGING;
}
-static int fuel_gauge_get_vbatt(struct axp288_fg_info *info, int *vbatt)
-{
- int ret = 0, raw_val;
-
- ret = iio_read_channel_raw(info->iio_channel[BAT_VOLT], &raw_val);
- if (ret < 0)
- goto vbatt_read_fail;
-
- *vbatt = VOLTAGE_FROM_ADC(raw_val);
-vbatt_read_fail:
- return ret;
-}
-
-static int fuel_gauge_get_current(struct axp288_fg_info *info, int *cur)
-{
- int ret, discharge;
-
- /* First check discharge current, so that we do only 1 read on bat. */
- ret = iio_read_channel_raw(info->iio_channel[BAT_D_CURR], &discharge);
- if (ret < 0)
- return ret;
-
- if (discharge > 0) {
- *cur = -1 * discharge;
- return 0;
- }
-
- return iio_read_channel_raw(info->iio_channel[BAT_CHRG_CURR], cur);
-}
-
-static int fuel_gauge_get_vocv(struct axp288_fg_info *info, int *vocv)
-{
- int ret;
-
- ret = fuel_gauge_read_12bit_word(info, AXP288_FG_OCVH_REG);
- if (ret >= 0)
- *vocv = VOLTAGE_FROM_ADC(ret);
-
- return ret;
-}
-
static int fuel_gauge_battery_health(struct axp288_fg_info *info)
{
- int ret, vocv, health = POWER_SUPPLY_HEALTH_UNKNOWN;
-
- ret = fuel_gauge_get_vocv(info, &vocv);
- if (ret < 0)
- goto health_read_fail;
+ int vocv = VOLTAGE_FROM_ADC(info->ocv);
+ int health = POWER_SUPPLY_HEALTH_UNKNOWN;
if (vocv > info->max_volt)
health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
else
health = POWER_SUPPLY_HEALTH_GOOD;
-health_read_fail:
return health;
}
@@ -434,9 +326,14 @@ static int fuel_gauge_get_property(struct power_supply *ps,
union power_supply_propval *val)
{
struct axp288_fg_info *info = power_supply_get_drvdata(ps);
- int ret = 0, value;
+ int ret, value;
mutex_lock(&info->lock);
+
+ ret = fuel_gauge_update_registers(info);
+ if (ret < 0)
+ goto out;
+
switch (prop) {
case POWER_SUPPLY_PROP_STATUS:
fuel_gauge_get_status(info);
@@ -446,78 +343,52 @@ static int fuel_gauge_get_property(struct power_supply *ps,
val->intval = fuel_gauge_battery_health(info);
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
- ret = fuel_gauge_get_vbatt(info, &value);
- if (ret < 0)
- goto fuel_gauge_read_err;
+ value = VOLTAGE_FROM_ADC(info->bat_volt);
val->intval = PROP_VOLT(value);
break;
case POWER_SUPPLY_PROP_VOLTAGE_OCV:
- ret = fuel_gauge_get_vocv(info, &value);
- if (ret < 0)
- goto fuel_gauge_read_err;
+ value = VOLTAGE_FROM_ADC(info->ocv);
val->intval = PROP_VOLT(value);
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
- ret = fuel_gauge_get_current(info, &value);
- if (ret < 0)
- goto fuel_gauge_read_err;
+ if (info->d_curr > 0)
+ value = -1 * info->d_curr;
+ else
+ value = info->c_curr;
+
val->intval = PROP_CURR(value);
break;
case POWER_SUPPLY_PROP_PRESENT:
- ret = fuel_gauge_reg_readb(info, AXP20X_PWR_OP_MODE);
- if (ret < 0)
- goto fuel_gauge_read_err;
-
- if (ret & CHRG_STAT_BAT_PRESENT)
+ if (info->pwr_op & CHRG_STAT_BAT_PRESENT)
val->intval = 1;
else
val->intval = 0;
break;
case POWER_SUPPLY_PROP_CAPACITY:
- ret = fuel_gauge_reg_readb(info, AXP20X_FG_RES);
- if (ret < 0)
- goto fuel_gauge_read_err;
-
- if (!(ret & FG_REP_CAP_VALID))
- dev_err(&info->pdev->dev,
- "capacity measurement not valid\n");
- val->intval = (ret & FG_REP_CAP_VAL_MASK);
+ if (!(info->fg_res & FG_REP_CAP_VALID))
+ dev_err(info->dev, "capacity measurement not valid\n");
+ val->intval = (info->fg_res & FG_REP_CAP_VAL_MASK);
break;
case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN:
- ret = fuel_gauge_reg_readb(info, AXP288_FG_LOW_CAP_REG);
- if (ret < 0)
- goto fuel_gauge_read_err;
- val->intval = (ret & 0x0f);
+ val->intval = (info->low_cap & 0x0f);
break;
case POWER_SUPPLY_PROP_TECHNOLOGY:
val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
break;
case POWER_SUPPLY_PROP_CHARGE_NOW:
- ret = fuel_gauge_read_15bit_word(info, AXP288_FG_CC_MTR1_REG);
- if (ret < 0)
- goto fuel_gauge_read_err;
-
- val->intval = ret * FG_DES_CAP_RES_LSB;
+ val->intval = info->fg_cc_mtr1 * FG_DES_CAP_RES_LSB;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL:
- ret = fuel_gauge_read_15bit_word(info, AXP288_FG_DES_CAP1_REG);
- if (ret < 0)
- goto fuel_gauge_read_err;
-
- val->intval = ret * FG_DES_CAP_RES_LSB;
+ val->intval = info->fg_des_cap1 * FG_DES_CAP_RES_LSB;
break;
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
val->intval = PROP_VOLT(info->max_volt);
break;
default:
- mutex_unlock(&info->lock);
- return -EINVAL;
+ ret = -EINVAL;
}
- mutex_unlock(&info->lock);
- return 0;
-
-fuel_gauge_read_err:
+out:
mutex_unlock(&info->lock);
return ret;
}
@@ -527,7 +398,7 @@ static int fuel_gauge_set_property(struct power_supply *ps,
const union power_supply_propval *val)
{
struct axp288_fg_info *info = power_supply_get_drvdata(ps);
- int ret = 0;
+ int new_low_cap, ret = 0;
mutex_lock(&info->lock);
switch (prop) {
@@ -536,12 +407,12 @@ static int fuel_gauge_set_property(struct power_supply *ps,
ret = -EINVAL;
break;
}
- ret = fuel_gauge_reg_readb(info, AXP288_FG_LOW_CAP_REG);
- if (ret < 0)
- break;
- ret &= 0xf0;
- ret |= (val->intval & 0xf);
- ret = fuel_gauge_reg_writeb(info, AXP288_FG_LOW_CAP_REG, ret);
+ new_low_cap = info->low_cap;
+ new_low_cap &= 0xf0;
+ new_low_cap |= (val->intval & 0xf);
+ ret = fuel_gauge_reg_writeb(info, AXP288_FG_LOW_CAP_REG, new_low_cap);
+ if (ret == 0)
+ info->low_cap = new_low_cap;
break;
default:
ret = -EINVAL;
@@ -579,37 +450,35 @@ static irqreturn_t fuel_gauge_thread_handler(int irq, void *dev)
}
if (i >= AXP288_FG_INTR_NUM) {
- dev_warn(&info->pdev->dev, "spurious interrupt!!\n");
+ dev_warn(info->dev, "spurious interrupt!!\n");
return IRQ_NONE;
}
switch (i) {
case QWBTU_IRQ:
- dev_info(&info->pdev->dev,
- "Quit Battery under temperature in work mode IRQ (QWBTU)\n");
+ dev_info(info->dev, "Quit Battery under temperature in work mode IRQ (QWBTU)\n");
break;
case WBTU_IRQ:
- dev_info(&info->pdev->dev,
- "Battery under temperature in work mode IRQ (WBTU)\n");
+ dev_info(info->dev, "Battery under temperature in work mode IRQ (WBTU)\n");
break;
case QWBTO_IRQ:
- dev_info(&info->pdev->dev,
- "Quit Battery over temperature in work mode IRQ (QWBTO)\n");
+ dev_info(info->dev, "Quit Battery over temperature in work mode IRQ (QWBTO)\n");
break;
case WBTO_IRQ:
- dev_info(&info->pdev->dev,
- "Battery over temperature in work mode IRQ (WBTO)\n");
+ dev_info(info->dev, "Battery over temperature in work mode IRQ (WBTO)\n");
break;
case WL2_IRQ:
- dev_info(&info->pdev->dev, "Low Batt Warning(2) INTR\n");
+ dev_info(info->dev, "Low Batt Warning(2) INTR\n");
break;
case WL1_IRQ:
- dev_info(&info->pdev->dev, "Low Batt Warning(1) INTR\n");
+ dev_info(info->dev, "Low Batt Warning(1) INTR\n");
break;
default:
- dev_warn(&info->pdev->dev, "Spurious Interrupt!!!\n");
+ dev_warn(info->dev, "Spurious Interrupt!!!\n");
}
+ info->valid = 0; /* Force updating of the cached registers */
+
power_supply_changed(info->bat);
return IRQ_HANDLED;
}
@@ -618,6 +487,7 @@ static void fuel_gauge_external_power_changed(struct power_supply *psy)
{
struct axp288_fg_info *info = power_supply_get_drvdata(psy);
+ info->valid = 0; /* Force updating of the cached registers */
power_supply_changed(info->bat);
}
@@ -632,16 +502,15 @@ static const struct power_supply_desc fuel_gauge_desc = {
.external_power_changed = fuel_gauge_external_power_changed,
};
-static void fuel_gauge_init_irq(struct axp288_fg_info *info)
+static void fuel_gauge_init_irq(struct axp288_fg_info *info, struct platform_device *pdev)
{
int ret, i, pirq;
for (i = 0; i < AXP288_FG_INTR_NUM; i++) {
- pirq = platform_get_irq(info->pdev, i);
+ pirq = platform_get_irq(pdev, i);
info->irq[i] = regmap_irq_get_virq(info->regmap_irqc, pirq);
if (info->irq[i] < 0) {
- dev_warn(&info->pdev->dev,
- "regmap_irq get virq failed for IRQ %d: %d\n",
+ dev_warn(info->dev, "regmap_irq get virq failed for IRQ %d: %d\n",
pirq, info->irq[i]);
info->irq[i] = -1;
goto intr_failed;
@@ -650,14 +519,10 @@ static void fuel_gauge_init_irq(struct axp288_fg_info *info)
NULL, fuel_gauge_thread_handler,
IRQF_ONESHOT, DEV_NAME, info);
if (ret) {
- dev_warn(&info->pdev->dev,
- "request irq failed for IRQ %d: %d\n",
+ dev_warn(info->dev, "request irq failed for IRQ %d: %d\n",
pirq, info->irq[i]);
info->irq[i] = -1;
goto intr_failed;
- } else {
- dev_info(&info->pdev->dev, "HW IRQ %d -> VIRQ %d\n",
- pirq, info->irq[i]);
}
}
return;
@@ -753,9 +618,6 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
struct power_supply_config psy_cfg = {};
static const char * const iio_chan_name[] = {
- [BAT_TEMP] = "axp288-batt-temp",
- [PMIC_TEMP] = "axp288-pmic-temp",
- [SYSTEM_TEMP] = "axp288-system-temp",
[BAT_CHRG_CURR] = "axp288-chrg-curr",
[BAT_D_CURR] = "axp288-chrg-d-curr",
[BAT_VOLT] = "axp288-batt-volt",
@@ -765,24 +627,15 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
if (dmi_check_system(axp288_no_battery_list))
return -ENODEV;
- /*
- * On some devices the fuelgauge and charger parts of the axp288 are
- * not used, check that the fuelgauge is enabled (CC_CTRL != 0).
- */
- ret = regmap_read(axp20x->regmap, AXP20X_CC_CTRL, &val);
- if (ret < 0)
- return ret;
- if (val == 0)
- return -ENODEV;
-
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
- info->pdev = pdev;
+ info->dev = &pdev->dev;
info->regmap = axp20x->regmap;
info->regmap_irqc = axp20x->regmap_irqc;
info->status = POWER_SUPPLY_STATUS_UNKNOWN;
+ info->valid = 0;
platform_set_drvdata(pdev, info);
@@ -808,19 +661,35 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
}
}
- ret = fuel_gauge_reg_readb(info, AXP288_FG_DES_CAP1_REG);
+ ret = iosf_mbi_block_punit_i2c_access();
if (ret < 0)
goto out_free_iio_chan;
+ /*
+ * On some devices the fuelgauge and charger parts of the axp288 are
+ * not used, check that the fuelgauge is enabled (CC_CTRL != 0).
+ */
+ ret = regmap_read(axp20x->regmap, AXP20X_CC_CTRL, &val);
+ if (ret < 0)
+ goto unblock_punit_i2c_access;
+ if (val == 0) {
+ ret = -ENODEV;
+ goto unblock_punit_i2c_access;
+ }
+
+ ret = fuel_gauge_reg_readb(info, AXP288_FG_DES_CAP1_REG);
+ if (ret < 0)
+ goto unblock_punit_i2c_access;
+
if (!(ret & FG_DES_CAP1_VALID)) {
dev_err(&pdev->dev, "axp288 not configured by firmware\n");
ret = -ENODEV;
- goto out_free_iio_chan;
+ goto unblock_punit_i2c_access;
}
ret = fuel_gauge_reg_readb(info, AXP20X_CHRG_CTRL1);
if (ret < 0)
- goto out_free_iio_chan;
+ goto unblock_punit_i2c_access;
switch ((ret & CHRG_CCCV_CV_MASK) >> CHRG_CCCV_CV_BIT_POS) {
case CHRG_CCCV_CV_4100MV:
info->max_volt = 4100;
@@ -836,6 +705,22 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
break;
}
+ ret = fuel_gauge_reg_readb(info, AXP20X_PWR_OP_MODE);
+ if (ret < 0)
+ goto unblock_punit_i2c_access;
+ info->pwr_op = ret;
+
+ ret = fuel_gauge_reg_readb(info, AXP288_FG_LOW_CAP_REG);
+ if (ret < 0)
+ goto unblock_punit_i2c_access;
+ info->low_cap = ret;
+
+unblock_punit_i2c_access:
+ iosf_mbi_unblock_punit_i2c_access();
+ /* In case we arrive here by goto because of a register access error */
+ if (ret < 0)
+ goto out_free_iio_chan;
+
psy_cfg.drv_data = info;
info->bat = power_supply_register(&pdev->dev, &fuel_gauge_desc, &psy_cfg);
if (IS_ERR(info->bat)) {
@@ -844,8 +729,7 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
goto out_free_iio_chan;
}
- fuel_gauge_create_debugfs(info);
- fuel_gauge_init_irq(info);
+ fuel_gauge_init_irq(info, pdev);
return 0;
@@ -869,7 +753,6 @@ static int axp288_fuel_gauge_remove(struct platform_device *pdev)
int i;
power_supply_unregister(info->bat);
- fuel_gauge_remove_debugfs(info);
for (i = 0; i < AXP288_FG_INTR_NUM; i++)
if (info->irq[i] >= 0)
diff --git a/drivers/power/supply/bq24735-charger.c b/drivers/power/supply/bq24735-charger.c
index b5d619db79f6..3ce36d09c017 100644
--- a/drivers/power/supply/bq24735-charger.c
+++ b/drivers/power/supply/bq24735-charger.c
@@ -31,9 +31,8 @@
#include <linux/power/bq24735-charger.h>
-#define BQ24735_CHG_OPT 0x12
-#define BQ24735_CHG_OPT_CHARGE_DISABLE (1 << 0)
-#define BQ24735_CHG_OPT_AC_PRESENT (1 << 4)
+/* BQ24735 available commands and their respective masks */
+#define BQ24735_CHARGE_OPT 0x12
#define BQ24735_CHARGE_CURRENT 0x14
#define BQ24735_CHARGE_CURRENT_MASK 0x1fc0
#define BQ24735_CHARGE_VOLTAGE 0x15
@@ -43,6 +42,10 @@
#define BQ24735_MANUFACTURER_ID 0xfe
#define BQ24735_DEVICE_ID 0xff
+/* ChargeOptions bits of interest */
+#define BQ24735_CHARGE_OPT_CHG_DISABLE (1 << 0)
+#define BQ24735_CHARGE_OPT_AC_PRESENT (1 << 4)
+
struct bq24735 {
struct power_supply *charger;
struct power_supply_desc charger_desc;
@@ -167,8 +170,8 @@ static inline int bq24735_enable_charging(struct bq24735 *charger)
if (ret)
return ret;
- return bq24735_update_word(charger->client, BQ24735_CHG_OPT,
- BQ24735_CHG_OPT_CHARGE_DISABLE, 0);
+ return bq24735_update_word(charger->client, BQ24735_CHARGE_OPT,
+ BQ24735_CHARGE_OPT_CHG_DISABLE, 0);
}
static inline int bq24735_disable_charging(struct bq24735 *charger)
@@ -176,9 +179,9 @@ static inline int bq24735_disable_charging(struct bq24735 *charger)
if (charger->pdata->ext_control)
return 0;
- return bq24735_update_word(charger->client, BQ24735_CHG_OPT,
- BQ24735_CHG_OPT_CHARGE_DISABLE,
- BQ24735_CHG_OPT_CHARGE_DISABLE);
+ return bq24735_update_word(charger->client, BQ24735_CHARGE_OPT,
+ BQ24735_CHARGE_OPT_CHG_DISABLE,
+ BQ24735_CHARGE_OPT_CHG_DISABLE);
}
static bool bq24735_charger_is_present(struct bq24735 *charger)
@@ -188,14 +191,14 @@ static bool bq24735_charger_is_present(struct bq24735 *charger)
} else {
int ac = 0;
- ac = bq24735_read_word(charger->client, BQ24735_CHG_OPT);
+ ac = bq24735_read_word(charger->client, BQ24735_CHARGE_OPT);
if (ac < 0) {
dev_dbg(&charger->client->dev,
"Failed to read charger options : %d\n",
ac);
return false;
}
- return (ac & BQ24735_CHG_OPT_AC_PRESENT) ? true : false;
+ return (ac & BQ24735_CHARGE_OPT_AC_PRESENT) ? true : false;
}
return false;
@@ -208,11 +211,11 @@ static int bq24735_charger_is_charging(struct bq24735 *charger)
if (!bq24735_charger_is_present(charger))
return 0;
- ret = bq24735_read_word(charger->client, BQ24735_CHG_OPT);
+ ret = bq24735_read_word(charger->client, BQ24735_CHARGE_OPT);
if (ret < 0)
return ret;
- return !(ret & BQ24735_CHG_OPT_CHARGE_DISABLE);
+ return !(ret & BQ24735_CHARGE_OPT_CHG_DISABLE);
}
static void bq24735_update(struct bq24735 *charger)
diff --git a/drivers/power/supply/cros_peripheral_charger.c b/drivers/power/supply/cros_peripheral_charger.c
new file mode 100644
index 000000000000..305f10dfc06d
--- /dev/null
+++ b/drivers/power/supply/cros_peripheral_charger.c
@@ -0,0 +1,386 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Power supply driver for ChromeOS EC based Peripheral Device Charger.
+ *
+ * Copyright 2020 Google LLC.
+ */
+
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/platform_data/cros_ec_commands.h>
+#include <linux/platform_data/cros_ec_proto.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/slab.h>
+#include <linux/stringify.h>
+#include <linux/types.h>
+
+#define DRV_NAME "cros-ec-pchg"
+#define PCHG_DIR_PREFIX "peripheral"
+#define PCHG_DIR_NAME PCHG_DIR_PREFIX "%d"
+#define PCHG_DIR_NAME_LENGTH \
+ sizeof(PCHG_DIR_PREFIX __stringify(EC_PCHG_MAX_PORTS))
+#define PCHG_CACHE_UPDATE_DELAY msecs_to_jiffies(500)
+
+struct port_data {
+ int port_number;
+ char name[PCHG_DIR_NAME_LENGTH];
+ struct power_supply *psy;
+ struct power_supply_desc psy_desc;
+ int psy_status;
+ int battery_percentage;
+ int charge_type;
+ struct charger_data *charger;
+ unsigned long last_update;
+};
+
+struct charger_data {
+ struct device *dev;
+ struct cros_ec_dev *ec_dev;
+ struct cros_ec_device *ec_device;
+ int num_registered_psy;
+ struct port_data *ports[EC_PCHG_MAX_PORTS];
+ struct notifier_block notifier;
+};
+
+static enum power_supply_property cros_pchg_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_SCOPE,
+};
+
+static int cros_pchg_ec_command(const struct charger_data *charger,
+ unsigned int version,
+ unsigned int command,
+ const void *outdata,
+ unsigned int outsize,
+ void *indata,
+ unsigned int insize)
+{
+ struct cros_ec_dev *ec_dev = charger->ec_dev;
+ struct cros_ec_command *msg;
+ int ret;
+
+ msg = kzalloc(sizeof(*msg) + max(outsize, insize), GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ msg->version = version;
+ msg->command = ec_dev->cmd_offset + command;
+ msg->outsize = outsize;
+ msg->insize = insize;
+
+ if (outsize)
+ memcpy(msg->data, outdata, outsize);
+
+ ret = cros_ec_cmd_xfer_status(charger->ec_device, msg);
+ if (ret >= 0 && insize)
+ memcpy(indata, msg->data, insize);
+
+ kfree(msg);
+ return ret;
+}
+
+static const unsigned int pchg_cmd_version = 1;
+
+static bool cros_pchg_cmd_ver_check(const struct charger_data *charger)
+{
+ struct ec_params_get_cmd_versions_v1 req;
+ struct ec_response_get_cmd_versions rsp;
+ int ret;
+
+ req.cmd = EC_CMD_PCHG;
+ ret = cros_pchg_ec_command(charger, 1, EC_CMD_GET_CMD_VERSIONS,
+ &req, sizeof(req), &rsp, sizeof(rsp));
+ if (ret < 0) {
+ dev_warn(charger->dev,
+ "Unable to get versions of EC_CMD_PCHG (err:%d)\n",
+ ret);
+ return false;
+ }
+
+ return !!(rsp.version_mask & BIT(pchg_cmd_version));
+}
+
+static int cros_pchg_port_count(const struct charger_data *charger)
+{
+ struct ec_response_pchg_count rsp;
+ int ret;
+
+ ret = cros_pchg_ec_command(charger, 0, EC_CMD_PCHG_COUNT,
+ NULL, 0, &rsp, sizeof(rsp));
+ if (ret < 0) {
+ dev_warn(charger->dev,
+ "Unable to get number or ports (err:%d)\n", ret);
+ return ret;
+ }
+
+ return rsp.port_count;
+}
+
+static int cros_pchg_get_status(struct port_data *port)
+{
+ struct charger_data *charger = port->charger;
+ struct ec_params_pchg req;
+ struct ec_response_pchg rsp;
+ struct device *dev = charger->dev;
+ int old_status = port->psy_status;
+ int old_percentage = port->battery_percentage;
+ int ret;
+
+ req.port = port->port_number;
+ ret = cros_pchg_ec_command(charger, pchg_cmd_version, EC_CMD_PCHG,
+ &req, sizeof(req), &rsp, sizeof(rsp));
+ if (ret < 0) {
+ dev_err(dev, "Unable to get port.%d status (err:%d)\n",
+ port->port_number, ret);
+ return ret;
+ }
+
+ switch (rsp.state) {
+ case PCHG_STATE_RESET:
+ case PCHG_STATE_INITIALIZED:
+ case PCHG_STATE_ENABLED:
+ default:
+ port->psy_status = POWER_SUPPLY_STATUS_UNKNOWN;
+ port->charge_type = POWER_SUPPLY_CHARGE_TYPE_NONE;
+ break;
+ case PCHG_STATE_DETECTED:
+ port->psy_status = POWER_SUPPLY_STATUS_CHARGING;
+ port->charge_type = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+ break;
+ case PCHG_STATE_CHARGING:
+ port->psy_status = POWER_SUPPLY_STATUS_CHARGING;
+ port->charge_type = POWER_SUPPLY_CHARGE_TYPE_STANDARD;
+ break;
+ case PCHG_STATE_FULL:
+ port->psy_status = POWER_SUPPLY_STATUS_FULL;
+ port->charge_type = POWER_SUPPLY_CHARGE_TYPE_NONE;
+ break;
+ }
+
+ port->battery_percentage = rsp.battery_percentage;
+
+ if (port->psy_status != old_status ||
+ port->battery_percentage != old_percentage)
+ power_supply_changed(port->psy);
+
+ dev_dbg(dev,
+ "Port %d: state=%d battery=%d%%\n",
+ port->port_number, rsp.state, rsp.battery_percentage);
+
+ return 0;
+}
+
+static int cros_pchg_get_port_status(struct port_data *port, bool ratelimit)
+{
+ int ret;
+
+ if (ratelimit &&
+ time_is_after_jiffies(port->last_update + PCHG_CACHE_UPDATE_DELAY))
+ return 0;
+
+ ret = cros_pchg_get_status(port);
+ if (ret < 0)
+ return ret;
+
+ port->last_update = jiffies;
+
+ return ret;
+}
+
+static int cros_pchg_get_prop(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct port_data *port = power_supply_get_drvdata(psy);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ case POWER_SUPPLY_PROP_CAPACITY:
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ cros_pchg_get_port_status(port, true);
+ break;
+ default:
+ break;
+ }
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ val->intval = port->psy_status;
+ break;
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = port->battery_percentage;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ val->intval = port->charge_type;
+ break;
+ case POWER_SUPPLY_PROP_SCOPE:
+ val->intval = POWER_SUPPLY_SCOPE_DEVICE;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int cros_pchg_event(const struct charger_data *charger,
+ unsigned long host_event)
+{
+ int i;
+
+ for (i = 0; i < charger->num_registered_psy; i++)
+ cros_pchg_get_port_status(charger->ports[i], false);
+
+ return NOTIFY_OK;
+}
+
+static u32 cros_get_device_event(const struct charger_data *charger)
+{
+ struct ec_params_device_event req;
+ struct ec_response_device_event rsp;
+ struct device *dev = charger->dev;
+ int ret;
+
+ req.param = EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS;
+ ret = cros_pchg_ec_command(charger, 0, EC_CMD_DEVICE_EVENT,
+ &req, sizeof(req), &rsp, sizeof(rsp));
+ if (ret < 0) {
+ dev_warn(dev, "Unable to get device events (err:%d)\n", ret);
+ return 0;
+ }
+
+ return rsp.event_mask;
+}
+
+static int cros_ec_notify(struct notifier_block *nb,
+ unsigned long queued_during_suspend,
+ void *data)
+{
+ struct cros_ec_device *ec_dev = (struct cros_ec_device *)data;
+ u32 host_event = cros_ec_get_host_event(ec_dev);
+ struct charger_data *charger =
+ container_of(nb, struct charger_data, notifier);
+ u32 device_event_mask;
+
+ if (!host_event)
+ return NOTIFY_DONE;
+
+ if (!(host_event & EC_HOST_EVENT_MASK(EC_HOST_EVENT_DEVICE)))
+ return NOTIFY_DONE;
+
+ /*
+ * todo: Retrieve device event mask in common place
+ * (e.g. cros_ec_proto.c).
+ */
+ device_event_mask = cros_get_device_event(charger);
+ if (!(device_event_mask & EC_DEVICE_EVENT_MASK(EC_DEVICE_EVENT_WLC)))
+ return NOTIFY_DONE;
+
+ return cros_pchg_event(charger, host_event);
+}
+
+static int cros_pchg_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent);
+ struct cros_ec_device *ec_device = ec_dev->ec_dev;
+ struct power_supply_desc *psy_desc;
+ struct charger_data *charger;
+ struct power_supply *psy;
+ struct port_data *port;
+ struct notifier_block *nb;
+ int num_ports;
+ int ret;
+ int i;
+
+ charger = devm_kzalloc(dev, sizeof(*charger), GFP_KERNEL);
+ if (!charger)
+ return -ENOMEM;
+
+ charger->dev = dev;
+ charger->ec_dev = ec_dev;
+ charger->ec_device = ec_device;
+
+ ret = cros_pchg_port_count(charger);
+ if (ret <= 0) {
+ /*
+ * This feature is enabled by the EC and the kernel driver is
+ * included by default for CrOS devices. Don't need to be loud
+ * since this error can be normal.
+ */
+ dev_info(dev, "No peripheral charge ports (err:%d)\n", ret);
+ return -ENODEV;
+ }
+
+ if (!cros_pchg_cmd_ver_check(charger)) {
+ dev_err(dev, "EC_CMD_PCHG version %d isn't available.\n",
+ pchg_cmd_version);
+ return -EOPNOTSUPP;
+ }
+
+ num_ports = ret;
+ if (num_ports > EC_PCHG_MAX_PORTS) {
+ dev_err(dev, "Too many peripheral charge ports (%d)\n",
+ num_ports);
+ return -ENOBUFS;
+ }
+
+ dev_info(dev, "%d peripheral charge ports found\n", num_ports);
+
+ for (i = 0; i < num_ports; i++) {
+ struct power_supply_config psy_cfg = {};
+
+ port = devm_kzalloc(dev, sizeof(*port), GFP_KERNEL);
+ if (!port)
+ return -ENOMEM;
+
+ port->charger = charger;
+ port->port_number = i;
+ snprintf(port->name, sizeof(port->name), PCHG_DIR_NAME, i);
+
+ psy_desc = &port->psy_desc;
+ psy_desc->name = port->name;
+ psy_desc->type = POWER_SUPPLY_TYPE_BATTERY;
+ psy_desc->get_property = cros_pchg_get_prop;
+ psy_desc->external_power_changed = NULL;
+ psy_desc->properties = cros_pchg_props;
+ psy_desc->num_properties = ARRAY_SIZE(cros_pchg_props);
+ psy_cfg.drv_data = port;
+
+ psy = devm_power_supply_register(dev, psy_desc, &psy_cfg);
+ if (IS_ERR(psy))
+ return dev_err_probe(dev, PTR_ERR(psy),
+ "Failed to register power supply\n");
+ port->psy = psy;
+
+ charger->ports[charger->num_registered_psy++] = port;
+ }
+
+ if (!charger->num_registered_psy)
+ return -ENODEV;
+
+ nb = &charger->notifier;
+ nb->notifier_call = cros_ec_notify;
+ ret = blocking_notifier_chain_register(&ec_dev->ec_dev->event_notifier,
+ nb);
+ if (ret < 0)
+ dev_err(dev, "Failed to register notifier (err:%d)\n", ret);
+
+ return 0;
+}
+
+static struct platform_driver cros_pchg_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ },
+ .probe = cros_pchg_probe
+};
+
+module_platform_driver(cros_pchg_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ChromeOS EC peripheral device charger");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c
index d110597746b0..091868e9e9e8 100644
--- a/drivers/power/supply/cw2015_battery.c
+++ b/drivers/power/supply/cw2015_battery.c
@@ -679,7 +679,9 @@ static int cw_bat_probe(struct i2c_client *client)
&cw2015_bat_desc,
&psy_cfg);
if (IS_ERR(cw_bat->rk_bat)) {
- dev_err(cw_bat->dev, "Failed to register power supply\n");
+ /* try again if this happens */
+ dev_err_probe(&client->dev, PTR_ERR(cw_bat->rk_bat),
+ "Failed to register power supply\n");
return PTR_ERR(cw_bat->rk_bat);
}
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
index ce2041b30a06..8dffae76b6a3 100644
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -36,8 +36,6 @@
/* Interrupt mask bits */
#define CONFIG_ALRT_BIT_ENBL (1 << 2)
-#define STATUS_INTR_SOCMIN_BIT (1 << 10)
-#define STATUS_INTR_SOCMAX_BIT (1 << 14)
#define VFSOC0_LOCK 0x0000
#define VFSOC0_UNLOCK 0x0080
@@ -285,8 +283,6 @@ static int max17042_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042)
ret = regmap_read(map, MAX17042_V_empty, &data);
- else if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17055)
- ret = regmap_read(map, MAX17055_V_empty, &data);
else
ret = regmap_read(map, MAX17047_V_empty, &data);
if (ret < 0)
@@ -748,7 +744,7 @@ static inline void max17042_override_por_values(struct max17042_chip *chip)
struct max17042_config_data *config = chip->pdata->config_data;
max17042_override_por(map, MAX17042_TGAIN, config->tgain);
- max17042_override_por(map, MAx17042_TOFF, config->toff);
+ max17042_override_por(map, MAX17042_TOFF, config->toff);
max17042_override_por(map, MAX17042_CGAIN, config->cgain);
max17042_override_por(map, MAX17042_COFF, config->coff);
@@ -767,36 +763,36 @@ static inline void max17042_override_por_values(struct max17042_chip *chip)
max17042_override_por(map, MAX17042_FilterCFG, config->filter_cfg);
max17042_override_por(map, MAX17042_RelaxCFG, config->relax_cfg);
max17042_override_por(map, MAX17042_MiscCFG, config->misc_cfg);
- max17042_override_por(map, MAX17042_MaskSOC, config->masksoc);
max17042_override_por(map, MAX17042_FullCAP, config->fullcap);
max17042_override_por(map, MAX17042_FullCAPNom, config->fullcapnom);
- if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042)
- max17042_override_por(map, MAX17042_SOC_empty,
- config->socempty);
- max17042_override_por(map, MAX17042_LAvg_empty, config->lavg_empty);
max17042_override_por(map, MAX17042_dQacc, config->dqacc);
max17042_override_por(map, MAX17042_dPacc, config->dpacc);
- if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042)
- max17042_override_por(map, MAX17042_V_empty, config->vempty);
- if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17055)
- max17042_override_por(map, MAX17055_V_empty, config->vempty);
- else
- max17042_override_por(map, MAX17047_V_empty, config->vempty);
- max17042_override_por(map, MAX17042_TempNom, config->temp_nom);
- max17042_override_por(map, MAX17042_TempLim, config->temp_lim);
- max17042_override_por(map, MAX17042_FCTC, config->fctc);
max17042_override_por(map, MAX17042_RCOMP0, config->rcomp0);
max17042_override_por(map, MAX17042_TempCo, config->tcompc0);
- if (chip->chip_type &&
- ((chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042) ||
+
+ if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042) {
+ max17042_override_por(map, MAX17042_MaskSOC, config->masksoc);
+ max17042_override_por(map, MAX17042_SOC_empty, config->socempty);
+ max17042_override_por(map, MAX17042_V_empty, config->vempty);
+ max17042_override_por(map, MAX17042_EmptyTempCo, config->empty_tempco);
+ max17042_override_por(map, MAX17042_K_empty0, config->kempty0);
+ }
+
+ if ((chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042) ||
(chip->chip_type == MAXIM_DEVICE_TYPE_MAX17047) ||
- (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17050))) {
- max17042_override_por(map, MAX17042_EmptyTempCo,
- config->empty_tempco);
- max17042_override_por(map, MAX17042_K_empty0,
- config->kempty0);
+ (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17050)) {
+ max17042_override_por(map, MAX17042_LAvg_empty, config->lavg_empty);
+ max17042_override_por(map, MAX17042_TempNom, config->temp_nom);
+ max17042_override_por(map, MAX17042_TempLim, config->temp_lim);
+ max17042_override_por(map, MAX17042_FCTC, config->fctc);
+ }
+
+ if ((chip->chip_type == MAXIM_DEVICE_TYPE_MAX17047) ||
+ (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17050) ||
+ (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17055)) {
+ max17042_override_por(map, MAX17047_V_empty, config->vempty);
}
}
@@ -869,11 +865,14 @@ static irqreturn_t max17042_thread_handler(int id, void *dev)
{
struct max17042_chip *chip = dev;
u32 val;
+ int ret;
- regmap_read(chip->regmap, MAX17042_STATUS, &val);
- if ((val & STATUS_INTR_SOCMIN_BIT) ||
- (val & STATUS_INTR_SOCMAX_BIT)) {
- dev_info(&chip->client->dev, "SOC threshold INTR\n");
+ ret = regmap_read(chip->regmap, MAX17042_STATUS, &val);
+ if (ret)
+ return IRQ_HANDLED;
+
+ if ((val & STATUS_SMN_BIT) || (val & STATUS_SMX_BIT)) {
+ dev_dbg(&chip->client->dev, "SOC threshold INTR\n");
max17042_set_soc_threshold(chip, 1);
}
@@ -1196,6 +1195,7 @@ static const struct of_device_id max17042_dt_match[] = {
{ .compatible = "maxim,max17047" },
{ .compatible = "maxim,max17050" },
{ .compatible = "maxim,max17055" },
+ { .compatible = "maxim,max77849-battery" },
{ },
};
MODULE_DEVICE_TABLE(of, max17042_dt_match);
@@ -1206,6 +1206,7 @@ static const struct i2c_device_id max17042_id[] = {
{ "max17047", MAXIM_DEVICE_TYPE_MAX17047 },
{ "max17050", MAXIM_DEVICE_TYPE_MAX17050 },
{ "max17055", MAXIM_DEVICE_TYPE_MAX17055 },
+ { "max77849-battery", MAXIM_DEVICE_TYPE_MAX17047 },
{ }
};
MODULE_DEVICE_TABLE(i2c, max17042_id);
diff --git a/drivers/power/supply/mt6360_charger.c b/drivers/power/supply/mt6360_charger.c
new file mode 100644
index 000000000000..3abaa72e0668
--- /dev/null
+++ b/drivers/power/supply/mt6360_charger.c
@@ -0,0 +1,867 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ */
+
+#include <linux/devm-helpers.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/linear_range.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+
+#define MT6360_PMU_CHG_CTRL1 0x311
+#define MT6360_PMU_CHG_CTRL2 0x312
+#define MT6360_PMU_CHG_CTRL3 0x313
+#define MT6360_PMU_CHG_CTRL4 0x314
+#define MT6360_PMU_CHG_CTRL5 0x315
+#define MT6360_PMU_CHG_CTRL6 0x316
+#define MT6360_PMU_CHG_CTRL7 0x317
+#define MT6360_PMU_CHG_CTRL8 0x318
+#define MT6360_PMU_CHG_CTRL9 0x319
+#define MT6360_PMU_CHG_CTRL10 0x31A
+#define MT6360_PMU_DEVICE_TYPE 0x322
+#define MT6360_PMU_USB_STATUS1 0x327
+#define MT6360_PMU_CHG_STAT 0x34A
+#define MT6360_PMU_CHG_CTRL19 0x361
+#define MT6360_PMU_FOD_STAT 0x3E7
+
+/* MT6360_PMU_CHG_CTRL1 */
+#define MT6360_FSLP_SHFT (3)
+#define MT6360_FSLP_MASK BIT(MT6360_FSLP_SHFT)
+#define MT6360_OPA_MODE_SHFT (0)
+#define MT6360_OPA_MODE_MASK BIT(MT6360_OPA_MODE_SHFT)
+/* MT6360_PMU_CHG_CTRL2 */
+#define MT6360_IINLMTSEL_SHFT (2)
+#define MT6360_IINLMTSEL_MASK GENMASK(3, 2)
+/* MT6360_PMU_CHG_CTRL3 */
+#define MT6360_IAICR_SHFT (2)
+#define MT6360_IAICR_MASK GENMASK(7, 2)
+#define MT6360_ILIM_EN_MASK BIT(0)
+/* MT6360_PMU_CHG_CTRL4 */
+#define MT6360_VOREG_SHFT (1)
+#define MT6360_VOREG_MASK GENMASK(7, 1)
+/* MT6360_PMU_CHG_CTRL5 */
+#define MT6360_VOBST_MASK GENMASK(7, 2)
+/* MT6360_PMU_CHG_CTRL6 */
+#define MT6360_VMIVR_SHFT (1)
+#define MT6360_VMIVR_MASK GENMASK(7, 1)
+/* MT6360_PMU_CHG_CTRL7 */
+#define MT6360_ICHG_SHFT (2)
+#define MT6360_ICHG_MASK GENMASK(7, 2)
+/* MT6360_PMU_CHG_CTRL8 */
+#define MT6360_IPREC_SHFT (0)
+#define MT6360_IPREC_MASK GENMASK(3, 0)
+/* MT6360_PMU_CHG_CTRL9 */
+#define MT6360_IEOC_SHFT (4)
+#define MT6360_IEOC_MASK GENMASK(7, 4)
+/* MT6360_PMU_CHG_CTRL10 */
+#define MT6360_OTG_OC_MASK GENMASK(3, 0)
+/* MT6360_PMU_DEVICE_TYPE */
+#define MT6360_USBCHGEN_MASK BIT(7)
+/* MT6360_PMU_USB_STATUS1 */
+#define MT6360_USB_STATUS_SHFT (4)
+#define MT6360_USB_STATUS_MASK GENMASK(6, 4)
+/* MT6360_PMU_CHG_STAT */
+#define MT6360_CHG_STAT_SHFT (6)
+#define MT6360_CHG_STAT_MASK GENMASK(7, 6)
+#define MT6360_VBAT_LVL_MASK BIT(5)
+/* MT6360_PMU_CHG_CTRL19 */
+#define MT6360_VINOVP_SHFT (5)
+#define MT6360_VINOVP_MASK GENMASK(6, 5)
+/* MT6360_PMU_FOD_STAT */
+#define MT6360_CHRDET_EXT_MASK BIT(4)
+
+/* uV */
+#define MT6360_VMIVR_MIN 3900000
+#define MT6360_VMIVR_MAX 13400000
+#define MT6360_VMIVR_STEP 100000
+/* uA */
+#define MT6360_ICHG_MIN 100000
+#define MT6360_ICHG_MAX 5000000
+#define MT6360_ICHG_STEP 100000
+/* uV */
+#define MT6360_VOREG_MIN 3900000
+#define MT6360_VOREG_MAX 4710000
+#define MT6360_VOREG_STEP 10000
+/* uA */
+#define MT6360_AICR_MIN 100000
+#define MT6360_AICR_MAX 3250000
+#define MT6360_AICR_STEP 50000
+/* uA */
+#define MT6360_IPREC_MIN 100000
+#define MT6360_IPREC_MAX 850000
+#define MT6360_IPREC_STEP 50000
+/* uA */
+#define MT6360_IEOC_MIN 100000
+#define MT6360_IEOC_MAX 850000
+#define MT6360_IEOC_STEP 50000
+
+enum {
+ MT6360_RANGE_VMIVR,
+ MT6360_RANGE_ICHG,
+ MT6360_RANGE_VOREG,
+ MT6360_RANGE_AICR,
+ MT6360_RANGE_IPREC,
+ MT6360_RANGE_IEOC,
+ MT6360_RANGE_MAX,
+};
+
+#define MT6360_LINEAR_RANGE(idx, _min, _min_sel, _max_sel, _step) \
+ [idx] = REGULATOR_LINEAR_RANGE(_min, _min_sel, _max_sel, _step)
+
+static const struct linear_range mt6360_chg_range[MT6360_RANGE_MAX] = {
+ MT6360_LINEAR_RANGE(MT6360_RANGE_VMIVR, 3900000, 0, 0x5F, 100000),
+ MT6360_LINEAR_RANGE(MT6360_RANGE_ICHG, 100000, 0, 0x31, 100000),
+ MT6360_LINEAR_RANGE(MT6360_RANGE_VOREG, 3900000, 0, 0x51, 10000),
+ MT6360_LINEAR_RANGE(MT6360_RANGE_AICR, 100000, 0, 0x3F, 50000),
+ MT6360_LINEAR_RANGE(MT6360_RANGE_IPREC, 100000, 0, 0x0F, 50000),
+ MT6360_LINEAR_RANGE(MT6360_RANGE_IEOC, 100000, 0, 0x0F, 50000),
+};
+
+struct mt6360_chg_info {
+ struct device *dev;
+ struct regmap *regmap;
+ struct power_supply_desc psy_desc;
+ struct power_supply *psy;
+ struct regulator_dev *otg_rdev;
+ struct mutex chgdet_lock;
+ u32 vinovp;
+ bool pwr_rdy;
+ bool bc12_en;
+ int psy_usb_type;
+ struct work_struct chrdet_work;
+};
+
+enum mt6360_iinlmtsel {
+ MT6360_IINLMTSEL_AICR_3250 = 0,
+ MT6360_IINLMTSEL_CHG_TYPE,
+ MT6360_IINLMTSEL_AICR,
+ MT6360_IINLMTSEL_LOWER_LEVEL,
+};
+
+enum mt6360_pmu_chg_type {
+ MT6360_CHG_TYPE_NOVBUS = 0,
+ MT6360_CHG_TYPE_UNDER_GOING,
+ MT6360_CHG_TYPE_SDP,
+ MT6360_CHG_TYPE_SDPNSTD,
+ MT6360_CHG_TYPE_DCP,
+ MT6360_CHG_TYPE_CDP,
+ MT6360_CHG_TYPE_DISABLE_BC12,
+ MT6360_CHG_TYPE_MAX,
+};
+
+static enum power_supply_usb_type mt6360_charger_usb_types[] = {
+ POWER_SUPPLY_USB_TYPE_UNKNOWN,
+ POWER_SUPPLY_USB_TYPE_SDP,
+ POWER_SUPPLY_USB_TYPE_DCP,
+ POWER_SUPPLY_USB_TYPE_CDP,
+};
+
+static int mt6360_get_chrdet_ext_stat(struct mt6360_chg_info *mci,
+ bool *pwr_rdy)
+{
+ int ret;
+ unsigned int regval;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_FOD_STAT, &regval);
+ if (ret < 0)
+ return ret;
+ *pwr_rdy = (regval & MT6360_CHRDET_EXT_MASK) ? true : false;
+ return 0;
+}
+
+static int mt6360_charger_get_online(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ bool pwr_rdy;
+
+ ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy);
+ if (ret < 0)
+ return ret;
+ val->intval = pwr_rdy ? true : false;
+ return 0;
+}
+
+static int mt6360_charger_get_status(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int status, ret;
+ unsigned int regval;
+ bool pwr_rdy;
+
+ ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy);
+ if (ret < 0)
+ return ret;
+ if (!pwr_rdy) {
+ status = POWER_SUPPLY_STATUS_DISCHARGING;
+ goto out;
+ }
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_STAT, &regval);
+ if (ret < 0)
+ return ret;
+ regval &= MT6360_CHG_STAT_MASK;
+ regval >>= MT6360_CHG_STAT_SHFT;
+ switch (regval) {
+ case 0x0:
+ status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ break;
+ case 0x1:
+ status = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case 0x2:
+ status = POWER_SUPPLY_STATUS_FULL;
+ break;
+ default:
+ ret = -EIO;
+ }
+out:
+ if (!ret)
+ val->intval = status;
+ return ret;
+}
+
+static int mt6360_charger_get_charge_type(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int type, ret;
+ unsigned int regval;
+ u8 chg_stat;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_STAT, &regval);
+ if (ret < 0)
+ return ret;
+
+ chg_stat = (regval & MT6360_CHG_STAT_MASK) >> MT6360_CHG_STAT_SHFT;
+ switch (chg_stat) {
+ case 0x01: /* Charge in Progress */
+ if (regval & MT6360_VBAT_LVL_MASK)
+ type = POWER_SUPPLY_CHARGE_TYPE_FAST;
+ else
+ type = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+ break;
+ case 0x00: /* Not Charging */
+ case 0x02: /* Charge Done */
+ case 0x03: /* Charge Fault */
+ default:
+ type = POWER_SUPPLY_CHARGE_TYPE_NONE;
+ break;
+ }
+
+ val->intval = type;
+ return 0;
+}
+
+static int mt6360_charger_get_ichg(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ u32 sel, value;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL7, &sel);
+ if (ret < 0)
+ return ret;
+ sel = (sel & MT6360_ICHG_MASK) >> MT6360_ICHG_SHFT;
+ ret = linear_range_get_value(&mt6360_chg_range[MT6360_RANGE_ICHG], sel, &value);
+ if (!ret)
+ val->intval = value;
+ return ret;
+}
+
+static int mt6360_charger_get_max_ichg(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ val->intval = MT6360_ICHG_MAX;
+ return 0;
+}
+
+static int mt6360_charger_get_cv(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ u32 sel, value;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL4, &sel);
+ if (ret < 0)
+ return ret;
+ sel = (sel & MT6360_VOREG_MASK) >> MT6360_VOREG_SHFT;
+ ret = linear_range_get_value(&mt6360_chg_range[MT6360_RANGE_VOREG], sel, &value);
+ if (!ret)
+ val->intval = value;
+ return ret;
+}
+
+static int mt6360_charger_get_max_cv(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ val->intval = MT6360_VOREG_MAX;
+ return 0;
+}
+
+static int mt6360_charger_get_aicr(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ u32 sel, value;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL3, &sel);
+ if (ret < 0)
+ return ret;
+ sel = (sel & MT6360_IAICR_MASK) >> MT6360_IAICR_SHFT;
+ ret = linear_range_get_value(&mt6360_chg_range[MT6360_RANGE_AICR], sel, &value);
+ if (!ret)
+ val->intval = value;
+ return ret;
+}
+
+static int mt6360_charger_get_mivr(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ u32 sel, value;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL6, &sel);
+ if (ret < 0)
+ return ret;
+ sel = (sel & MT6360_VMIVR_MASK) >> MT6360_VMIVR_SHFT;
+ ret = linear_range_get_value(&mt6360_chg_range[MT6360_RANGE_VMIVR], sel, &value);
+ if (!ret)
+ val->intval = value;
+ return ret;
+}
+
+static int mt6360_charger_get_iprechg(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ u32 sel, value;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL8, &sel);
+ if (ret < 0)
+ return ret;
+ sel = (sel & MT6360_IPREC_MASK) >> MT6360_IPREC_SHFT;
+ ret = linear_range_get_value(&mt6360_chg_range[MT6360_RANGE_IPREC], sel, &value);
+ if (!ret)
+ val->intval = value;
+ return ret;
+}
+
+static int mt6360_charger_get_ieoc(struct mt6360_chg_info *mci,
+ union power_supply_propval *val)
+{
+ int ret;
+ u32 sel, value;
+
+ ret = regmap_read(mci->regmap, MT6360_PMU_CHG_CTRL9, &sel);
+ if (ret < 0)
+ return ret;
+ sel = (sel & MT6360_IEOC_MASK) >> MT6360_IEOC_SHFT;
+ ret = linear_range_get_value(&mt6360_chg_range[MT6360_RANGE_IEOC], sel, &value);
+ if (!ret)
+ val->intval = value;
+ return ret;
+}
+
+static int mt6360_charger_set_online(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ u8 force_sleep = val->intval ? 0 : 1;
+
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL1,
+ MT6360_FSLP_MASK,
+ force_sleep << MT6360_FSLP_SHFT);
+}
+
+static int mt6360_charger_set_ichg(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ u32 sel;
+
+ linear_range_get_selector_within(&mt6360_chg_range[MT6360_RANGE_ICHG], val->intval, &sel);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL7,
+ MT6360_ICHG_MASK,
+ sel << MT6360_ICHG_SHFT);
+}
+
+static int mt6360_charger_set_cv(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ u32 sel;
+
+ linear_range_get_selector_within(&mt6360_chg_range[MT6360_RANGE_VOREG], val->intval, &sel);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL4,
+ MT6360_VOREG_MASK,
+ sel << MT6360_VOREG_SHFT);
+}
+
+static int mt6360_charger_set_aicr(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ u32 sel;
+
+ linear_range_get_selector_within(&mt6360_chg_range[MT6360_RANGE_AICR], val->intval, &sel);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL3,
+ MT6360_IAICR_MASK,
+ sel << MT6360_IAICR_SHFT);
+}
+
+static int mt6360_charger_set_mivr(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ u32 sel;
+
+ linear_range_get_selector_within(&mt6360_chg_range[MT6360_RANGE_VMIVR], val->intval, &sel);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL3,
+ MT6360_VMIVR_MASK,
+ sel << MT6360_VMIVR_SHFT);
+}
+
+static int mt6360_charger_set_iprechg(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ u32 sel;
+
+ linear_range_get_selector_within(&mt6360_chg_range[MT6360_RANGE_IPREC], val->intval, &sel);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL8,
+ MT6360_IPREC_MASK,
+ sel << MT6360_IPREC_SHFT);
+}
+
+static int mt6360_charger_set_ieoc(struct mt6360_chg_info *mci,
+ const union power_supply_propval *val)
+{
+ u32 sel;
+
+ linear_range_get_selector_within(&mt6360_chg_range[MT6360_RANGE_IEOC], val->intval, &sel);
+ return regmap_update_bits(mci->regmap,
+ MT6360_PMU_CHG_CTRL9,
+ MT6360_IEOC_MASK,
+ sel << MT6360_IEOC_SHFT);
+}
+
+static int mt6360_charger_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct mt6360_chg_info *mci = power_supply_get_drvdata(psy);
+ int ret = 0;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ ret = mt6360_charger_get_online(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_STATUS:
+ ret = mt6360_charger_get_status(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ ret = mt6360_charger_get_charge_type(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ ret = mt6360_charger_get_ichg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
+ ret = mt6360_charger_get_max_ichg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ ret = mt6360_charger_get_cv(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
+ ret = mt6360_charger_get_max_cv(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ ret = mt6360_charger_get_aicr(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT:
+ ret = mt6360_charger_get_mivr(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
+ ret = mt6360_charger_get_iprechg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+ ret = mt6360_charger_get_ieoc(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_USB_TYPE:
+ val->intval = mci->psy_usb_type;
+ break;
+ default:
+ ret = -ENODATA;
+ }
+ return ret;
+}
+
+static int mt6360_charger_set_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ const union power_supply_propval *val)
+{
+ struct mt6360_chg_info *mci = power_supply_get_drvdata(psy);
+ int ret;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ ret = mt6360_charger_set_online(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ ret = mt6360_charger_set_ichg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ ret = mt6360_charger_set_cv(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ ret = mt6360_charger_set_aicr(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT:
+ ret = mt6360_charger_set_mivr(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
+ ret = mt6360_charger_set_iprechg(mci, val);
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+ ret = mt6360_charger_set_ieoc(mci, val);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+static int mt6360_charger_property_is_writeable(struct power_supply *psy,
+ enum power_supply_property psp)
+{
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
+ case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ case POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT:
+ case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
+ case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static enum power_supply_property mt6360_charger_properties[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,
+ POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
+ POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
+ POWER_SUPPLY_PROP_USB_TYPE,
+};
+
+static const struct power_supply_desc mt6360_charger_desc = {
+ .type = POWER_SUPPLY_TYPE_USB,
+ .properties = mt6360_charger_properties,
+ .num_properties = ARRAY_SIZE(mt6360_charger_properties),
+ .get_property = mt6360_charger_get_property,
+ .set_property = mt6360_charger_set_property,
+ .property_is_writeable = mt6360_charger_property_is_writeable,
+ .usb_types = mt6360_charger_usb_types,
+ .num_usb_types = ARRAY_SIZE(mt6360_charger_usb_types),
+};
+
+static const struct regulator_ops mt6360_chg_otg_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+};
+
+static const struct regulator_desc mt6360_otg_rdesc = {
+ .of_match = "usb-otg-vbus",
+ .name = "usb-otg-vbus",
+ .ops = &mt6360_chg_otg_ops,
+ .owner = THIS_MODULE,
+ .type = REGULATOR_VOLTAGE,
+ .min_uV = 4425000,
+ .uV_step = 25000,
+ .n_voltages = 57,
+ .vsel_reg = MT6360_PMU_CHG_CTRL5,
+ .vsel_mask = MT6360_VOBST_MASK,
+ .enable_reg = MT6360_PMU_CHG_CTRL1,
+ .enable_mask = MT6360_OPA_MODE_MASK,
+};
+
+static irqreturn_t mt6360_pmu_attach_i_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+ int ret;
+ unsigned int usb_status;
+ int last_usb_type;
+
+ mutex_lock(&mci->chgdet_lock);
+ if (!mci->bc12_en) {
+ dev_warn(mci->dev, "Received attach interrupt, bc12 disabled, ignore irq\n");
+ goto out;
+ }
+ last_usb_type = mci->psy_usb_type;
+ /* Plug in */
+ ret = regmap_read(mci->regmap, MT6360_PMU_USB_STATUS1, &usb_status);
+ if (ret < 0)
+ goto out;
+ usb_status &= MT6360_USB_STATUS_MASK;
+ usb_status >>= MT6360_USB_STATUS_SHFT;
+ switch (usb_status) {
+ case MT6360_CHG_TYPE_NOVBUS:
+ dev_dbg(mci->dev, "Received attach interrupt, no vbus\n");
+ goto out;
+ case MT6360_CHG_TYPE_UNDER_GOING:
+ dev_dbg(mci->dev, "Received attach interrupt, under going...\n");
+ goto out;
+ case MT6360_CHG_TYPE_SDP:
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_SDP;
+ break;
+ case MT6360_CHG_TYPE_SDPNSTD:
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_SDP;
+ break;
+ case MT6360_CHG_TYPE_CDP:
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_CDP;
+ break;
+ case MT6360_CHG_TYPE_DCP:
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_DCP;
+ break;
+ case MT6360_CHG_TYPE_DISABLE_BC12:
+ dev_dbg(mci->dev, "Received attach interrupt, bc12 detect not enable\n");
+ goto out;
+ default:
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_UNKNOWN;
+ dev_dbg(mci->dev, "Received attach interrupt, reserved address\n");
+ goto out;
+ }
+
+ dev_dbg(mci->dev, "Received attach interrupt, chg_type = %d\n", mci->psy_usb_type);
+ if (last_usb_type != mci->psy_usb_type)
+ power_supply_changed(mci->psy);
+out:
+ mutex_unlock(&mci->chgdet_lock);
+ return IRQ_HANDLED;
+}
+
+static void mt6360_handle_chrdet_ext_evt(struct mt6360_chg_info *mci)
+{
+ int ret;
+ bool pwr_rdy;
+
+ mutex_lock(&mci->chgdet_lock);
+ ret = mt6360_get_chrdet_ext_stat(mci, &pwr_rdy);
+ if (ret < 0)
+ goto out;
+ if (mci->pwr_rdy == pwr_rdy) {
+ dev_dbg(mci->dev, "Received vbus interrupt, pwr_rdy is same(%d)\n", pwr_rdy);
+ goto out;
+ }
+ mci->pwr_rdy = pwr_rdy;
+ dev_dbg(mci->dev, "Received vbus interrupt, pwr_rdy = %d\n", pwr_rdy);
+ if (!pwr_rdy) {
+ mci->psy_usb_type = POWER_SUPPLY_USB_TYPE_UNKNOWN;
+ power_supply_changed(mci->psy);
+
+ }
+ ret = regmap_update_bits(mci->regmap,
+ MT6360_PMU_DEVICE_TYPE,
+ MT6360_USBCHGEN_MASK,
+ pwr_rdy ? MT6360_USBCHGEN_MASK : 0);
+ if (ret < 0)
+ goto out;
+ mci->bc12_en = pwr_rdy;
+out:
+ mutex_unlock(&mci->chgdet_lock);
+}
+
+static void mt6360_chrdet_work(struct work_struct *work)
+{
+ struct mt6360_chg_info *mci = (struct mt6360_chg_info *)container_of(
+ work, struct mt6360_chg_info, chrdet_work);
+
+ mt6360_handle_chrdet_ext_evt(mci);
+}
+
+static irqreturn_t mt6360_pmu_chrdet_ext_evt_handler(int irq, void *data)
+{
+ struct mt6360_chg_info *mci = data;
+
+ mt6360_handle_chrdet_ext_evt(mci);
+ return IRQ_HANDLED;
+}
+
+static int mt6360_chg_irq_register(struct platform_device *pdev)
+{
+ const struct {
+ const char *name;
+ irq_handler_t handler;
+ } irq_descs[] = {
+ { "attach_i", mt6360_pmu_attach_i_handler },
+ { "chrdet_ext_evt", mt6360_pmu_chrdet_ext_evt_handler }
+ };
+ int i, ret;
+
+ for (i = 0; i < ARRAY_SIZE(irq_descs); i++) {
+ ret = platform_get_irq_byname(pdev, irq_descs[i].name);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_request_threaded_irq(&pdev->dev, ret, NULL,
+ irq_descs[i].handler,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ irq_descs[i].name,
+ platform_get_drvdata(pdev));
+ if (ret < 0)
+ return dev_err_probe(&pdev->dev, ret, "Failed to request %s irq\n",
+ irq_descs[i].name);
+ }
+
+ return 0;
+}
+
+static u32 mt6360_vinovp_trans_to_sel(u32 val)
+{
+ u32 vinovp_tbl[] = { 5500000, 6500000, 11000000, 14500000 };
+ int i;
+
+ /* Select the smaller and equal supported value */
+ for (i = 0; i < ARRAY_SIZE(vinovp_tbl)-1; i++) {
+ if (val < vinovp_tbl[i+1])
+ break;
+ }
+ return i;
+}
+
+static int mt6360_chg_init_setting(struct mt6360_chg_info *mci)
+{
+ int ret;
+ u32 sel;
+
+ sel = mt6360_vinovp_trans_to_sel(mci->vinovp);
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL19,
+ MT6360_VINOVP_MASK, sel << MT6360_VINOVP_SHFT);
+ if (ret)
+ return dev_err_probe(mci->dev, ret, "%s: Failed to apply vinovp\n", __func__);
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_DEVICE_TYPE,
+ MT6360_USBCHGEN_MASK, 0);
+ if (ret)
+ return dev_err_probe(mci->dev, ret, "%s: Failed to disable bc12\n", __func__);
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL2,
+ MT6360_IINLMTSEL_MASK,
+ MT6360_IINLMTSEL_AICR <<
+ MT6360_IINLMTSEL_SHFT);
+ if (ret)
+ return dev_err_probe(mci->dev, ret,
+ "%s: Failed to switch iinlmtsel to aicr\n", __func__);
+ usleep_range(5000, 6000);
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL3,
+ MT6360_ILIM_EN_MASK, 0);
+ if (ret)
+ return dev_err_probe(mci->dev, ret,
+ "%s: Failed to disable ilim\n", __func__);
+ ret = regmap_update_bits(mci->regmap, MT6360_PMU_CHG_CTRL10,
+ MT6360_OTG_OC_MASK, MT6360_OTG_OC_MASK);
+ if (ret)
+ return dev_err_probe(mci->dev, ret,
+ "%s: Failed to config otg oc to 3A\n", __func__);
+ return 0;
+}
+
+static int mt6360_charger_probe(struct platform_device *pdev)
+{
+ struct mt6360_chg_info *mci;
+ struct power_supply_config charger_cfg = {};
+ struct regulator_config config = { };
+ int ret;
+
+ mci = devm_kzalloc(&pdev->dev, sizeof(*mci), GFP_KERNEL);
+ if (!mci)
+ return -ENOMEM;
+
+ mci->dev = &pdev->dev;
+ mci->vinovp = 6500000;
+ mutex_init(&mci->chgdet_lock);
+ platform_set_drvdata(pdev, mci);
+ devm_work_autocancel(&pdev->dev, &mci->chrdet_work, mt6360_chrdet_work);
+
+ ret = device_property_read_u32(&pdev->dev, "richtek,vinovp-microvolt", &mci->vinovp);
+ if (ret)
+ dev_warn(&pdev->dev, "Failed to parse vinovp in DT, keep default 6.5v\n");
+
+ mci->regmap = dev_get_regmap(pdev->dev.parent, NULL);
+ if (!mci->regmap)
+ return dev_err_probe(&pdev->dev, -ENODEV, "Failed to get parent regmap\n");
+
+ ret = mt6360_chg_init_setting(mci);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "Failed to initial setting\n");
+
+ memcpy(&mci->psy_desc, &mt6360_charger_desc, sizeof(mci->psy_desc));
+ mci->psy_desc.name = dev_name(&pdev->dev);
+ charger_cfg.drv_data = mci;
+ charger_cfg.of_node = pdev->dev.of_node;
+ mci->psy = devm_power_supply_register(&pdev->dev,
+ &mci->psy_desc, &charger_cfg);
+ if (IS_ERR(mci->psy))
+ return dev_err_probe(&pdev->dev, PTR_ERR(mci->psy),
+ "Failed to register power supply dev\n");
+
+
+ ret = mt6360_chg_irq_register(pdev);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "Failed to register irqs\n");
+
+ config.dev = &pdev->dev;
+ config.regmap = mci->regmap;
+ mci->otg_rdev = devm_regulator_register(&pdev->dev, &mt6360_otg_rdesc,
+ &config);
+ if (IS_ERR(mci->otg_rdev))
+ return PTR_ERR(mci->otg_rdev);
+
+ schedule_work(&mci->chrdet_work);
+
+ return 0;
+}
+
+static const struct of_device_id __maybe_unused mt6360_charger_of_id[] = {
+ { .compatible = "mediatek,mt6360-chg", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mt6360_charger_of_id);
+
+static const struct platform_device_id mt6360_charger_id[] = {
+ { "mt6360-chg", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(platform, mt6360_charger_id);
+
+static struct platform_driver mt6360_charger_driver = {
+ .driver = {
+ .name = "mt6360-chg",
+ .of_match_table = of_match_ptr(mt6360_charger_of_id),
+ },
+ .probe = mt6360_charger_probe,
+ .id_table = mt6360_charger_id,
+};
+module_platform_driver(mt6360_charger_driver);
+
+MODULE_AUTHOR("Gene Chen <gene_chen@richtek.com>");
+MODULE_DESCRIPTION("MT6360 Charger Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index d99e2f11c183..0c2132c7f5d4 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -571,6 +571,7 @@ int power_supply_get_battery_info(struct power_supply *psy,
int err, len, index;
const __be32 *list;
+ info->technology = POWER_SUPPLY_TECHNOLOGY_UNKNOWN;
info->energy_full_design_uwh = -EINVAL;
info->charge_full_design_uah = -EINVAL;
info->voltage_min_design_uv = -EINVAL;
@@ -618,6 +619,24 @@ int power_supply_get_battery_info(struct power_supply *psy,
* Documentation/power/power_supply_class.rst.
*/
+ if (!of_property_read_string(battery_np, "device-chemistry", &value)) {
+ if (!strcmp("nickel-cadmium", value))
+ info->technology = POWER_SUPPLY_TECHNOLOGY_NiCd;
+ else if (!strcmp("nickel-metal-hydride", value))
+ info->technology = POWER_SUPPLY_TECHNOLOGY_NiMH;
+ else if (!strcmp("lithium-ion", value))
+ /* Imprecise lithium-ion type */
+ info->technology = POWER_SUPPLY_TECHNOLOGY_LION;
+ else if (!strcmp("lithium-ion-polymer", value))
+ info->technology = POWER_SUPPLY_TECHNOLOGY_LIPO;
+ else if (!strcmp("lithium-ion-iron-phosphate", value))
+ info->technology = POWER_SUPPLY_TECHNOLOGY_LiFe;
+ else if (!strcmp("lithium-ion-manganese-oxide", value))
+ info->technology = POWER_SUPPLY_TECHNOLOGY_LiMn;
+ else
+ dev_warn(&psy->dev, "%s unknown battery type\n", value);
+ }
+
of_property_read_u32(battery_np, "energy-full-design-microwatt-hours",
&info->energy_full_design_uwh);
of_property_read_u32(battery_np, "charge-full-design-microamp-hours",
diff --git a/drivers/power/supply/qcom_smbb.c b/drivers/power/supply/qcom_smbb.c
index c890e1cec720..84cc9fba029d 100644
--- a/drivers/power/supply/qcom_smbb.c
+++ b/drivers/power/supply/qcom_smbb.c
@@ -929,11 +929,8 @@ static int smbb_charger_probe(struct platform_device *pdev)
int irq;
irq = platform_get_irq_byname(pdev, smbb_charger_irqs[i].name);
- if (irq < 0) {
- dev_err(&pdev->dev, "failed to get irq '%s'\n",
- smbb_charger_irqs[i].name);
+ if (irq < 0)
return irq;
- }
smbb_charger_irqs[i].handler(irq, chg);
diff --git a/drivers/power/supply/rn5t618_power.c b/drivers/power/supply/rn5t618_power.c
index 819061918b2a..a5e09ac78a50 100644
--- a/drivers/power/supply/rn5t618_power.c
+++ b/drivers/power/supply/rn5t618_power.c
@@ -9,10 +9,12 @@
#include <linux/device.h>
#include <linux/bitops.h>
#include <linux/errno.h>
+#include <linux/iio/consumer.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/mfd/rn5t618.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/regmap.h>
@@ -64,6 +66,8 @@ struct rn5t618_power_info {
struct power_supply *battery;
struct power_supply *usb;
struct power_supply *adp;
+ struct iio_channel *channel_vusb;
+ struct iio_channel *channel_vadp;
int irq;
};
@@ -77,6 +81,7 @@ static enum power_supply_usb_type rn5t618_usb_types[] = {
static enum power_supply_property rn5t618_usb_props[] = {
/* input current limit is not very accurate */
POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_USB_TYPE,
POWER_SUPPLY_PROP_ONLINE,
@@ -85,6 +90,7 @@ static enum power_supply_property rn5t618_usb_props[] = {
static enum power_supply_property rn5t618_adp_props[] = {
/* input current limit is not very accurate */
POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_ONLINE,
};
@@ -464,6 +470,15 @@ static int rn5t618_adp_get_property(struct power_supply *psy,
val->intval = FROM_CUR_REG(regval);
break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ if (!info->channel_vadp)
+ return -ENODATA;
+
+ ret = iio_read_channel_processed_scale(info->channel_vadp, &val->intval, 1000);
+ if (ret < 0)
+ return ret;
+
+ break;
default:
return -EINVAL;
}
@@ -589,6 +604,15 @@ static int rn5t618_usb_get_property(struct power_supply *psy,
val->intval = FROM_CUR_REG(regval);
}
break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ if (!info->channel_vusb)
+ return -ENODATA;
+
+ ret = iio_read_channel_processed_scale(info->channel_vusb, &val->intval, 1000);
+ if (ret < 0)
+ return ret;
+
+ break;
default:
return -EINVAL;
}
@@ -711,6 +735,20 @@ static int rn5t618_power_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, info);
+ info->channel_vusb = devm_iio_channel_get(&pdev->dev, "vusb");
+ if (IS_ERR(info->channel_vusb)) {
+ if (PTR_ERR(info->channel_vusb) == -ENODEV)
+ return -EPROBE_DEFER;
+ return PTR_ERR(info->channel_vusb);
+ }
+
+ info->channel_vadp = devm_iio_channel_get(&pdev->dev, "vadp");
+ if (IS_ERR(info->channel_vadp)) {
+ if (PTR_ERR(info->channel_vadp) == -ENODEV)
+ return -EPROBE_DEFER;
+ return PTR_ERR(info->channel_vadp);
+ }
+
ret = regmap_read(info->rn5t618->regmap, RN5T618_CONTROL, &v);
if (ret)
return ret;
diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c
index f84dbaab283a..c4a95b01463a 100644
--- a/drivers/power/supply/sbs-battery.c
+++ b/drivers/power/supply/sbs-battery.c
@@ -31,8 +31,9 @@ enum {
REG_CURRENT_AVG,
REG_MAX_ERR,
REG_CAPACITY,
- REG_TIME_TO_EMPTY,
- REG_TIME_TO_FULL,
+ REG_TIME_TO_EMPTY_NOW,
+ REG_TIME_TO_EMPTY_AVG,
+ REG_TIME_TO_FULL_AVG,
REG_STATUS,
REG_CAPACITY_LEVEL,
REG_CYCLE_COUNT,
@@ -102,7 +103,7 @@ static const struct chip_data {
[REG_TEMPERATURE] =
SBS_DATA(POWER_SUPPLY_PROP_TEMP, 0x08, 0, 65535),
[REG_VOLTAGE] =
- SBS_DATA(POWER_SUPPLY_PROP_VOLTAGE_NOW, 0x09, 0, 20000),
+ SBS_DATA(POWER_SUPPLY_PROP_VOLTAGE_NOW, 0x09, 0, 65535),
[REG_CURRENT_NOW] =
SBS_DATA(POWER_SUPPLY_PROP_CURRENT_NOW, 0x0A, -32768, 32767),
[REG_CURRENT_AVG] =
@@ -119,9 +120,11 @@ static const struct chip_data {
SBS_DATA(POWER_SUPPLY_PROP_ENERGY_FULL, 0x10, 0, 65535),
[REG_FULL_CHARGE_CAPACITY_CHARGE] =
SBS_DATA(POWER_SUPPLY_PROP_CHARGE_FULL, 0x10, 0, 65535),
- [REG_TIME_TO_EMPTY] =
+ [REG_TIME_TO_EMPTY_NOW] =
+ SBS_DATA(POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, 0x11, 0, 65535),
+ [REG_TIME_TO_EMPTY_AVG] =
SBS_DATA(POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, 0x12, 0, 65535),
- [REG_TIME_TO_FULL] =
+ [REG_TIME_TO_FULL_AVG] =
SBS_DATA(POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, 0x13, 0, 65535),
[REG_CHARGE_CURRENT] =
SBS_DATA(POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, 0x14, 0, 65535),
@@ -165,6 +168,7 @@ static const enum power_supply_property sbs_properties[] = {
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN,
POWER_SUPPLY_PROP_TEMP,
+ POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
POWER_SUPPLY_PROP_SERIAL_NUMBER,
@@ -748,6 +752,7 @@ static void sbs_unit_adjustment(struct i2c_client *client,
val->intval -= TEMP_KELVIN_TO_CELSIUS;
break;
+ case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG:
/* sbs provides time to empty and time to full in minutes.
@@ -966,6 +971,7 @@ static int sbs_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_CURRENT_AVG:
case POWER_SUPPLY_PROP_TEMP:
+ case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG:
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c
index 1ae8374e1ceb..ae45069bd5e1 100644
--- a/drivers/power/supply/sc27xx_fuel_gauge.c
+++ b/drivers/power/supply/sc27xx_fuel_gauge.c
@@ -1229,10 +1229,8 @@ static int sc27xx_fgu_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "no irq resource specified\n");
+ if (irq < 0)
return irq;
- }
ret = devm_request_threaded_irq(data->dev, irq, NULL,
sc27xx_fgu_interrupt,
diff --git a/drivers/power/supply/smb347-charger.c b/drivers/power/supply/smb347-charger.c
index df240420f2de..753944e774c4 100644
--- a/drivers/power/supply/smb347-charger.c
+++ b/drivers/power/supply/smb347-charger.c
@@ -18,6 +18,7 @@
#include <linux/power_supply.h>
#include <linux/property.h>
#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
#include <dt-bindings/power/summit,smb347-charger.h>
@@ -55,6 +56,7 @@
#define CFG_PIN_EN_CTRL_ACTIVE_LOW 0x60
#define CFG_PIN_EN_APSD_IRQ BIT(1)
#define CFG_PIN_EN_CHARGER_ERROR BIT(2)
+#define CFG_PIN_EN_CTRL BIT(4)
#define CFG_THERM 0x07
#define CFG_THERM_SOFT_HOT_COMPENSATION_MASK 0x03
#define CFG_THERM_SOFT_HOT_COMPENSATION_SHIFT 0
@@ -62,12 +64,15 @@
#define CFG_THERM_SOFT_COLD_COMPENSATION_SHIFT 2
#define CFG_THERM_MONITOR_DISABLED BIT(4)
#define CFG_SYSOK 0x08
+#define CFG_SYSOK_INOK_ACTIVE_HIGH BIT(0)
#define CFG_SYSOK_SUSPEND_HARD_LIMIT_DISABLED BIT(2)
#define CFG_OTHER 0x09
#define CFG_OTHER_RID_MASK 0xc0
#define CFG_OTHER_RID_ENABLED_AUTO_OTG 0xc0
#define CFG_OTG 0x0a
#define CFG_OTG_TEMP_THRESHOLD_MASK 0x30
+#define CFG_OTG_CURRENT_LIMIT_250mA BIT(2)
+#define CFG_OTG_CURRENT_LIMIT_750mA BIT(3)
#define CFG_OTG_TEMP_THRESHOLD_SHIFT 4
#define CFG_OTG_CC_COMPENSATION_MASK 0xc0
#define CFG_OTG_CC_COMPENSATION_SHIFT 6
@@ -91,6 +96,7 @@
#define CMD_A 0x30
#define CMD_A_CHG_ENABLED BIT(1)
#define CMD_A_SUSPEND_ENABLED BIT(2)
+#define CMD_A_OTG_ENABLED BIT(4)
#define CMD_A_ALLOW_WRITE BIT(7)
#define CMD_B 0x31
#define CMD_C 0x33
@@ -132,11 +138,12 @@
* @regmap: pointer to driver regmap
* @mains: power_supply instance for AC/DC power
* @usb: power_supply instance for USB power
+ * @usb_rdev: USB VBUS regulator device
* @id: SMB charger ID
* @mains_online: is AC/DC input connected
* @usb_online: is USB input connected
- * @charging_enabled: is charging enabled
* @irq_unsupported: is interrupt unsupported by SMB hardware
+ * @usb_vbus_enabled: is USB VBUS powered by SMB charger
* @max_charge_current: maximum current (in uA) the battery can be charged
* @max_charge_voltage: maximum voltage (in uV) the battery can be charged
* @pre_charge_current: current (in uA) to use in pre-charging phase
@@ -167,6 +174,8 @@
* @use_usb_otg: USB OTG output can be used (not implemented yet)
* @enable_control: how charging enable/disable is controlled
* (driver/pin controls)
+ * @inok_polarity: polarity of INOK signal which denotes presence of external
+ * power supply
*
* @use_main, @use_usb, and @use_usb_otg are means to enable/disable
* hardware support for these. This is useful when we want to have for
@@ -189,11 +198,12 @@ struct smb347_charger {
struct regmap *regmap;
struct power_supply *mains;
struct power_supply *usb;
+ struct regulator_dev *usb_rdev;
unsigned int id;
bool mains_online;
bool usb_online;
- bool charging_enabled;
bool irq_unsupported;
+ bool usb_vbus_enabled;
unsigned int max_charge_current;
unsigned int max_charge_voltage;
@@ -214,6 +224,7 @@ struct smb347_charger {
bool use_usb;
bool use_usb_otg;
unsigned int enable_control;
+ unsigned int inok_polarity;
};
enum smb_charger_chipid {
@@ -358,21 +369,18 @@ static int smb347_charging_status(struct smb347_charger *smb)
static int smb347_charging_set(struct smb347_charger *smb, bool enable)
{
- int ret = 0;
-
if (smb->enable_control != SMB3XX_CHG_ENABLE_SW) {
dev_dbg(smb->dev, "charging enable/disable in SW disabled\n");
return 0;
}
- if (smb->charging_enabled != enable) {
- ret = regmap_update_bits(smb->regmap, CMD_A, CMD_A_CHG_ENABLED,
- enable ? CMD_A_CHG_ENABLED : 0);
- if (!ret)
- smb->charging_enabled = enable;
+ if (enable && smb->usb_vbus_enabled) {
+ dev_dbg(smb->dev, "charging not enabled because USB is in host mode\n");
+ return 0;
}
- return ret;
+ return regmap_update_bits(smb->regmap, CMD_A, CMD_A_CHG_ENABLED,
+ enable ? CMD_A_CHG_ENABLED : 0);
}
static inline int smb347_charging_enable(struct smb347_charger *smb)
@@ -671,10 +679,22 @@ static int smb347_set_temp_limits(struct smb347_charger *smb)
*
* Returns %0 on success and negative errno in case of failure.
*/
-static int smb347_set_writable(struct smb347_charger *smb, bool writable)
+static int smb347_set_writable(struct smb347_charger *smb, bool writable,
+ bool irq_toggle)
{
- return regmap_update_bits(smb->regmap, CMD_A, CMD_A_ALLOW_WRITE,
- writable ? CMD_A_ALLOW_WRITE : 0);
+ struct i2c_client *client = to_i2c_client(smb->dev);
+ int ret;
+
+ if (writable && irq_toggle && !smb->irq_unsupported)
+ disable_irq(client->irq);
+
+ ret = regmap_update_bits(smb->regmap, CMD_A, CMD_A_ALLOW_WRITE,
+ writable ? CMD_A_ALLOW_WRITE : 0);
+
+ if ((!writable || ret) && irq_toggle && !smb->irq_unsupported)
+ enable_irq(client->irq);
+
+ return ret;
}
static int smb347_hw_init(struct smb347_charger *smb)
@@ -682,7 +702,7 @@ static int smb347_hw_init(struct smb347_charger *smb)
unsigned int val;
int ret;
- ret = smb347_set_writable(smb, true);
+ ret = smb347_set_writable(smb, true, false);
if (ret < 0)
return ret;
@@ -724,6 +744,15 @@ static int smb347_hw_init(struct smb347_charger *smb)
if (ret < 0)
goto fail;
+ /* Activate pin control, making it writable. */
+ switch (smb->enable_control) {
+ case SMB3XX_CHG_ENABLE_PIN_ACTIVE_LOW:
+ case SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH:
+ ret = regmap_set_bits(smb->regmap, CFG_PIN, CFG_PIN_EN_CTRL);
+ if (ret < 0)
+ goto fail;
+ }
+
/*
* Make the charging functionality controllable by a write to the
* command register unless pin control is specified in the platform
@@ -758,7 +787,7 @@ static int smb347_hw_init(struct smb347_charger *smb)
ret = smb347_start_stop_charging(smb);
fail:
- smb347_set_writable(smb, false);
+ smb347_set_writable(smb, false, false);
return ret;
}
@@ -866,7 +895,7 @@ static int smb347_irq_set(struct smb347_charger *smb, bool enable)
if (smb->irq_unsupported)
return 0;
- ret = smb347_set_writable(smb, true);
+ ret = smb347_set_writable(smb, true, true);
if (ret < 0)
return ret;
@@ -891,7 +920,7 @@ static int smb347_irq_set(struct smb347_charger *smb, bool enable)
ret = regmap_update_bits(smb->regmap, CFG_PIN, CFG_PIN_EN_CHARGER_ERROR,
enable ? CFG_PIN_EN_CHARGER_ERROR : 0);
fail:
- smb347_set_writable(smb, false);
+ smb347_set_writable(smb, false, true);
return ret;
}
@@ -919,7 +948,7 @@ static int smb347_irq_init(struct smb347_charger *smb,
if (!client->irq)
return 0;
- ret = smb347_set_writable(smb, true);
+ ret = smb347_set_writable(smb, true, false);
if (ret < 0)
return ret;
@@ -931,7 +960,7 @@ static int smb347_irq_init(struct smb347_charger *smb,
CFG_STAT_ACTIVE_HIGH | CFG_STAT_DISABLED,
CFG_STAT_DISABLED);
- smb347_set_writable(smb, false);
+ smb347_set_writable(smb, false, false);
if (ret < 0) {
dev_warn(smb->dev, "failed to initialize IRQ: %d\n", ret);
@@ -1241,6 +1270,13 @@ static void smb347_dt_parse_dev_info(struct smb347_charger *smb)
/* Select charging control */
device_property_read_u32(dev, "summit,enable-charge-control",
&smb->enable_control);
+
+ /*
+ * Polarity of INOK signal indicating presence of external power
+ * supply connected to the charger.
+ */
+ device_property_read_u32(dev, "summit,inok-polarity",
+ &smb->inok_polarity);
}
static int smb347_get_battery_info(struct smb347_charger *smb)
@@ -1292,12 +1328,176 @@ static int smb347_get_battery_info(struct smb347_charger *smb)
return 0;
}
+static int smb347_usb_vbus_get_current_limit(struct regulator_dev *rdev)
+{
+ struct smb347_charger *smb = rdev_get_drvdata(rdev);
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(smb->regmap, CFG_OTG, &val);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * It's unknown what happens if this bit is unset due to lack of
+ * access to the datasheet, assume it's limit-enable.
+ */
+ if (!(val & CFG_OTG_CURRENT_LIMIT_250mA))
+ return 0;
+
+ return val & CFG_OTG_CURRENT_LIMIT_750mA ? 750000 : 250000;
+}
+
+static int smb347_usb_vbus_set_new_current_limit(struct smb347_charger *smb,
+ int max_uA)
+{
+ const unsigned int mask = CFG_OTG_CURRENT_LIMIT_750mA |
+ CFG_OTG_CURRENT_LIMIT_250mA;
+ unsigned int val = CFG_OTG_CURRENT_LIMIT_250mA;
+ int ret;
+
+ if (max_uA >= 750000)
+ val |= CFG_OTG_CURRENT_LIMIT_750mA;
+
+ ret = regmap_update_bits(smb->regmap, CFG_OTG, mask, val);
+ if (ret < 0)
+ dev_err(smb->dev, "failed to change USB current limit\n");
+
+ return ret;
+}
+
+static int smb347_usb_vbus_set_current_limit(struct regulator_dev *rdev,
+ int min_uA, int max_uA)
+{
+ struct smb347_charger *smb = rdev_get_drvdata(rdev);
+ int ret;
+
+ ret = smb347_set_writable(smb, true, true);
+ if (ret < 0)
+ return ret;
+
+ ret = smb347_usb_vbus_set_new_current_limit(smb, max_uA);
+ smb347_set_writable(smb, false, true);
+
+ return ret;
+}
+
+static int smb347_usb_vbus_regulator_enable(struct regulator_dev *rdev)
+{
+ struct smb347_charger *smb = rdev_get_drvdata(rdev);
+ int ret, max_uA;
+
+ ret = smb347_set_writable(smb, true, true);
+ if (ret < 0)
+ return ret;
+
+ smb347_charging_disable(smb);
+
+ if (device_property_read_bool(&rdev->dev, "summit,needs-inok-toggle")) {
+ unsigned int sysok = 0;
+
+ if (smb->inok_polarity == SMB3XX_SYSOK_INOK_ACTIVE_LOW)
+ sysok = CFG_SYSOK_INOK_ACTIVE_HIGH;
+
+ /*
+ * VBUS won't be powered if INOK is active, so we need to
+ * manually disable INOK on some platforms.
+ */
+ ret = regmap_update_bits(smb->regmap, CFG_SYSOK,
+ CFG_SYSOK_INOK_ACTIVE_HIGH, sysok);
+ if (ret < 0) {
+ dev_err(smb->dev, "failed to disable INOK\n");
+ goto done;
+ }
+ }
+
+ ret = smb347_usb_vbus_get_current_limit(rdev);
+ if (ret < 0) {
+ dev_err(smb->dev, "failed to get USB VBUS current limit\n");
+ goto done;
+ }
+
+ max_uA = ret;
+
+ ret = smb347_usb_vbus_set_new_current_limit(smb, 250000);
+ if (ret < 0) {
+ dev_err(smb->dev, "failed to preset USB VBUS current limit\n");
+ goto done;
+ }
+
+ ret = regmap_set_bits(smb->regmap, CMD_A, CMD_A_OTG_ENABLED);
+ if (ret < 0) {
+ dev_err(smb->dev, "failed to enable USB VBUS\n");
+ goto done;
+ }
+
+ smb->usb_vbus_enabled = true;
+
+ ret = smb347_usb_vbus_set_new_current_limit(smb, max_uA);
+ if (ret < 0) {
+ dev_err(smb->dev, "failed to restore USB VBUS current limit\n");
+ goto done;
+ }
+done:
+ smb347_set_writable(smb, false, true);
+
+ return ret;
+}
+
+static int smb347_usb_vbus_regulator_disable(struct regulator_dev *rdev)
+{
+ struct smb347_charger *smb = rdev_get_drvdata(rdev);
+ int ret;
+
+ ret = smb347_set_writable(smb, true, true);
+ if (ret < 0)
+ return ret;
+
+ ret = regmap_clear_bits(smb->regmap, CMD_A, CMD_A_OTG_ENABLED);
+ if (ret < 0) {
+ dev_err(smb->dev, "failed to disable USB VBUS\n");
+ goto done;
+ }
+
+ smb->usb_vbus_enabled = false;
+
+ if (device_property_read_bool(&rdev->dev, "summit,needs-inok-toggle")) {
+ unsigned int sysok = 0;
+
+ if (smb->inok_polarity == SMB3XX_SYSOK_INOK_ACTIVE_HIGH)
+ sysok = CFG_SYSOK_INOK_ACTIVE_HIGH;
+
+ ret = regmap_update_bits(smb->regmap, CFG_SYSOK,
+ CFG_SYSOK_INOK_ACTIVE_HIGH, sysok);
+ if (ret < 0) {
+ dev_err(smb->dev, "failed to enable INOK\n");
+ goto done;
+ }
+ }
+
+ smb347_start_stop_charging(smb);
+done:
+ smb347_set_writable(smb, false, true);
+
+ return ret;
+}
+
static const struct regmap_config smb347_regmap = {
.reg_bits = 8,
.val_bits = 8,
.max_register = SMB347_MAX_REGISTER,
.volatile_reg = smb347_volatile_reg,
.readable_reg = smb347_readable_reg,
+ .cache_type = REGCACHE_FLAT,
+ .num_reg_defaults_raw = SMB347_MAX_REGISTER,
+};
+
+static const struct regulator_ops smb347_usb_vbus_regulator_ops = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = smb347_usb_vbus_regulator_enable,
+ .disable = smb347_usb_vbus_regulator_disable,
+ .get_current_limit = smb347_usb_vbus_get_current_limit,
+ .set_current_limit = smb347_usb_vbus_set_current_limit,
};
static const struct power_supply_desc smb347_mains_desc = {
@@ -1316,10 +1516,24 @@ static const struct power_supply_desc smb347_usb_desc = {
.num_properties = ARRAY_SIZE(smb347_properties),
};
+static const struct regulator_desc smb347_usb_vbus_regulator_desc = {
+ .name = "smb347-usb-vbus",
+ .of_match = of_match_ptr("usb-vbus"),
+ .ops = &smb347_usb_vbus_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ .enable_reg = CMD_A,
+ .enable_mask = CMD_A_OTG_ENABLED,
+ .enable_val = CMD_A_OTG_ENABLED,
+ .fixed_uV = 5000000,
+ .n_voltages = 1,
+};
+
static int smb347_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct power_supply_config mains_usb_cfg = {};
+ struct regulator_config usb_rdev_cfg = {};
struct device *dev = &client->dev;
struct smb347_charger *smb;
int ret;
@@ -1367,6 +1581,18 @@ static int smb347_probe(struct i2c_client *client,
if (ret)
return ret;
+ usb_rdev_cfg.dev = dev;
+ usb_rdev_cfg.driver_data = smb;
+ usb_rdev_cfg.regmap = smb->regmap;
+
+ smb->usb_rdev = devm_regulator_register(dev,
+ &smb347_usb_vbus_regulator_desc,
+ &usb_rdev_cfg);
+ if (IS_ERR(smb->usb_rdev)) {
+ smb347_irq_disable(smb);
+ return PTR_ERR(smb->usb_rdev);
+ }
+
return 0;
}
@@ -1374,11 +1600,17 @@ static int smb347_remove(struct i2c_client *client)
{
struct smb347_charger *smb = i2c_get_clientdata(client);
+ smb347_usb_vbus_regulator_disable(smb->usb_rdev);
smb347_irq_disable(smb);
return 0;
}
+static void smb347_shutdown(struct i2c_client *client)
+{
+ smb347_remove(client);
+}
+
static const struct i2c_device_id smb347_id[] = {
{ "smb345", SMB345 },
{ "smb347", SMB347 },
@@ -1402,6 +1634,7 @@ static struct i2c_driver smb347_driver = {
},
.probe = smb347_probe,
.remove = smb347_remove,
+ .shutdown = smb347_shutdown,
.id_table = smb347_id,
};
module_i2c_driver(smb347_driver);