diff options
Diffstat (limited to 'drivers/power')
81 files changed, 2981 insertions, 736 deletions
diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index 60bf0ca64cf3..95f140ee7077 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -216,6 +216,20 @@ config POWER_RESET_ST help Reset support for STMicroelectronics boards. +config POWER_RESET_TORADEX_EC + tristate "Toradex Embedded Controller power-off and reset driver" + depends on ARCH_MXC || COMPILE_TEST + depends on I2C + select REGMAP_I2C + help + This driver supports power-off and reset for SMARC Toradex SoMs, + for example the SMARC iMX8MP and SMARC iMX95, using Toradex + Embedded Controller (EC). + + Say Y here if you have a Toradex SMARC SoM. + + If unsure, say N. + config POWER_RESET_TPS65086 bool "TPS65086 restart driver" depends on MFD_TPS65086 diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile index 10782d32e1da..1b9b63a1a873 100644 --- a/drivers/power/reset/Makefile +++ b/drivers/power/reset/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_POWER_RESET_QNAP) += qnap-poweroff.o obj-$(CONFIG_POWER_RESET_REGULATOR) += regulator-poweroff.o obj-$(CONFIG_POWER_RESET_RESTART) += restart-poweroff.o obj-$(CONFIG_POWER_RESET_ST) += st-poweroff.o +obj-$(CONFIG_POWER_RESET_TORADEX_EC) += tdx-ec-poweroff.o obj-$(CONFIG_POWER_RESET_TPS65086) += tps65086-restart.o obj-$(CONFIG_POWER_RESET_VERSATILE) += arm-versatile-reboot.o obj-$(CONFIG_POWER_RESET_VEXPRESS) += vexpress-poweroff.o diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index 036b18a1f90f..511f5a8f8961 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -129,12 +129,11 @@ static int at91_reset(struct notifier_block *this, unsigned long mode, " str %4, [%0, %6]\n\t" /* Disable SDRAM1 accesses */ "1: tst %1, #0\n\t" - " beq 2f\n\t" " strne %3, [%1, #" __stringify(AT91_DDRSDRC_RTR) "]\n\t" /* Power down SDRAM1 */ " strne %4, [%1, %6]\n\t" /* Reset CPU */ - "2: str %5, [%2, #" __stringify(AT91_RSTC_CR) "]\n\t" + " str %5, [%2, #" __stringify(AT91_RSTC_CR) "]\n\t" " b .\n\t" : @@ -145,7 +144,7 @@ static int at91_reset(struct notifier_block *this, unsigned long mode, "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN), "r" (reset->data->reset_args), "r" (reset->ramc_lpr) - : "r4"); + ); return NOTIFY_DONE; } diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c index c2801bd6384d..e9fe08ee3812 100644 --- a/drivers/power/reset/at91-sama5d2_shdwc.c +++ b/drivers/power/reset/at91-sama5d2_shdwc.c @@ -327,6 +327,7 @@ static const struct of_device_id at91_pmc_ids[] = { { .compatible = "microchip,sam9x60-pmc" }, { .compatible = "microchip,sama7g5-pmc" }, { .compatible = "microchip,sam9x7-pmc" }, + { .compatible = "microchip,sama7d65-pmc" }, { /* Sentinel. */ } }; diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c index 1a6fc8d38e20..90c664d344d0 100644 --- a/drivers/power/reset/ltc2952-poweroff.c +++ b/drivers/power/reset/ltc2952-poweroff.c @@ -162,11 +162,11 @@ static void ltc2952_poweroff_default(struct ltc2952_poweroff *data) data->wde_interval = 300L * NSEC_PER_MSEC; data->trigger_delay = ktime_set(2, 500L * NSEC_PER_MSEC); - hrtimer_init(&data->timer_trigger, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - data->timer_trigger.function = ltc2952_poweroff_timer_trigger; + hrtimer_setup(&data->timer_trigger, ltc2952_poweroff_timer_trigger, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); - hrtimer_init(&data->timer_wde, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - data->timer_wde.function = ltc2952_poweroff_timer_wde; + hrtimer_setup(&data->timer_wde, ltc2952_poweroff_timer_wde, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); } static int ltc2952_poweroff_init(struct platform_device *pdev) diff --git a/drivers/power/reset/reboot-mode.c b/drivers/power/reset/reboot-mode.c index b4076b10b893..fba53f638da0 100644 --- a/drivers/power/reset/reboot-mode.c +++ b/drivers/power/reset/reboot-mode.c @@ -23,20 +23,29 @@ static unsigned int get_reboot_mode_magic(struct reboot_mode_driver *reboot, const char *cmd) { const char *normal = "normal"; - int magic = 0; struct mode_info *info; + char cmd_[110]; if (!cmd) cmd = normal; - list_for_each_entry(info, &reboot->head, list) { - if (!strcmp(info->mode, cmd)) { - magic = info->magic; - break; - } - } + list_for_each_entry(info, &reboot->head, list) + if (!strcmp(info->mode, cmd)) + return info->magic; + + /* try to match again, replacing characters impossible in DT */ + if (strscpy(cmd_, cmd, sizeof(cmd_)) == -E2BIG) + return 0; - return magic; + strreplace(cmd_, ' ', '-'); + strreplace(cmd_, ',', '-'); + strreplace(cmd_, '/', '-'); + + list_for_each_entry(info, &reboot->head, list) + if (!strcmp(info->mode, cmd_)) + return info->magic; + + return 0; } static int reboot_mode_notify(struct notifier_block *this, diff --git a/drivers/power/reset/syscon-reboot.c b/drivers/power/reset/syscon-reboot.c index d623d77e657e..2e2cf5f62d73 100644 --- a/drivers/power/reset/syscon-reboot.c +++ b/drivers/power/reset/syscon-reboot.c @@ -14,11 +14,24 @@ #include <linux/reboot.h> #include <linux/regmap.h> -struct syscon_reboot_context { - struct regmap *map; +struct reboot_mode_bits { u32 offset; - u32 value; u32 mask; + u32 value; + bool valid; +}; + +struct reboot_data { + struct reboot_mode_bits mode_bits[REBOOT_SOFT + 1]; + struct reboot_mode_bits catchall; +}; + +struct syscon_reboot_context { + struct regmap *map; + + const struct reboot_data *rd; /* from of match data, if any */ + struct reboot_mode_bits catchall; /* from DT */ + struct notifier_block restart_handler; }; @@ -28,9 +41,21 @@ static int syscon_restart_handle(struct notifier_block *this, struct syscon_reboot_context *ctx = container_of(this, struct syscon_reboot_context, restart_handler); + const struct reboot_mode_bits *mode_bits; + + if (ctx->rd) { + if (mode < ARRAY_SIZE(ctx->rd->mode_bits) && + ctx->rd->mode_bits[mode].valid) + mode_bits = &ctx->rd->mode_bits[mode]; + else + mode_bits = &ctx->rd->catchall; + } else { + mode_bits = &ctx->catchall; + } /* Issue the reboot */ - regmap_update_bits(ctx->map, ctx->offset, ctx->mask, ctx->value); + regmap_update_bits(ctx->map, mode_bits->offset, mode_bits->mask, + mode_bits->value); mdelay(1000); @@ -42,7 +67,6 @@ static int syscon_reboot_probe(struct platform_device *pdev) { struct syscon_reboot_context *ctx; struct device *dev = &pdev->dev; - int mask_err, value_err; int priority; int err; @@ -60,24 +84,33 @@ static int syscon_reboot_probe(struct platform_device *pdev) if (of_property_read_s32(pdev->dev.of_node, "priority", &priority)) priority = 192; - if (of_property_read_u32(pdev->dev.of_node, "offset", &ctx->offset)) - if (of_property_read_u32(pdev->dev.of_node, "reg", &ctx->offset)) - return -EINVAL; + ctx->rd = of_device_get_match_data(dev); + if (!ctx->rd) { + int mask_err, value_err; - value_err = of_property_read_u32(pdev->dev.of_node, "value", &ctx->value); - mask_err = of_property_read_u32(pdev->dev.of_node, "mask", &ctx->mask); - if (value_err && mask_err) { - dev_err(dev, "unable to read 'value' and 'mask'"); - return -EINVAL; - } + if (of_property_read_u32(pdev->dev.of_node, "offset", + &ctx->catchall.offset) && + of_property_read_u32(pdev->dev.of_node, "reg", + &ctx->catchall.offset)) + return -EINVAL; - if (value_err) { - /* support old binding */ - ctx->value = ctx->mask; - ctx->mask = 0xFFFFFFFF; - } else if (mask_err) { - /* support value without mask*/ - ctx->mask = 0xFFFFFFFF; + value_err = of_property_read_u32(pdev->dev.of_node, "value", + &ctx->catchall.value); + mask_err = of_property_read_u32(pdev->dev.of_node, "mask", + &ctx->catchall.mask); + if (value_err && mask_err) { + dev_err(dev, "unable to read 'value' and 'mask'"); + return -EINVAL; + } + + if (value_err) { + /* support old binding */ + ctx->catchall.value = ctx->catchall.mask; + ctx->catchall.mask = 0xFFFFFFFF; + } else if (mask_err) { + /* support value without mask */ + ctx->catchall.mask = 0xFFFFFFFF; + } } ctx->restart_handler.notifier_call = syscon_restart_handle; @@ -89,7 +122,30 @@ static int syscon_reboot_probe(struct platform_device *pdev) return err; } +static const struct reboot_data gs101_reboot_data = { + .mode_bits = { + [REBOOT_WARM] = { + .offset = 0x3a00, /* SYSTEM_CONFIGURATION */ + .mask = 0x00000002, /* SWRESET_SYSTEM */ + .value = 0x00000002, + .valid = true, + }, + [REBOOT_SOFT] = { + .offset = 0x3a00, /* SYSTEM_CONFIGURATION */ + .mask = 0x00000002, /* SWRESET_SYSTEM */ + .value = 0x00000002, + .valid = true, + }, + }, + .catchall = { + .offset = 0x3e9c, /* PAD_CTRL_PWR_HOLD */ + .mask = 0x00000100, + .value = 0x00000000, + }, +}; + static const struct of_device_id syscon_reboot_of_match[] = { + { .compatible = "google,gs101-reboot", .data = &gs101_reboot_data }, { .compatible = "syscon-reboot" }, {} }; diff --git a/drivers/power/reset/tdx-ec-poweroff.c b/drivers/power/reset/tdx-ec-poweroff.c new file mode 100644 index 000000000000..3302a127fce5 --- /dev/null +++ b/drivers/power/reset/tdx-ec-poweroff.c @@ -0,0 +1,150 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Toradex Embedded Controller driver + * + * Copyright (C) 2025 Toradex + * + * Author: Emanuele Ghidoli <emanuele.ghidoli@toradex.com> + */ + +#include <linux/array_size.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/reboot.h> +#include <linux/regmap.h> +#include <linux/types.h> + +#define EC_CHIP_ID_REG 0x00 +#define EC_CHIP_ID_SMARC_IMX95 0x11 +#define EC_CHIP_ID_SMARC_IMX8MP 0x12 + +#define EC_VERSION_REG_MAJOR 0x01 +#define EC_VERSION_REG_MINOR 0x02 +#define EC_ID_VERSION_LEN 3 + +#define EC_CMD_REG 0xD0 +#define EC_CMD_POWEROFF 0x01 +#define EC_CMD_RESET 0x02 + +#define EC_REG_MAX 0xD0 + +static const struct regmap_range volatile_ranges[] = { + regmap_reg_range(EC_CMD_REG, EC_CMD_REG), +}; + +static const struct regmap_access_table volatile_table = { + .yes_ranges = volatile_ranges, + .n_yes_ranges = ARRAY_SIZE(volatile_ranges), +}; + +static const struct regmap_range read_ranges[] = { + regmap_reg_range(EC_CHIP_ID_REG, EC_VERSION_REG_MINOR), +}; + +static const struct regmap_access_table read_table = { + .yes_ranges = read_ranges, + .n_yes_ranges = ARRAY_SIZE(read_ranges), +}; + +static const struct regmap_config regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = EC_REG_MAX, + .cache_type = REGCACHE_RBTREE, + .rd_table = &read_table, + .volatile_table = &volatile_table, +}; + +static int tdx_ec_cmd(struct regmap *regmap, u8 cmd) +{ + int err = regmap_write(regmap, EC_CMD_REG, cmd); + + if (err) + dev_err(regmap_get_device(regmap), "Failed to send command 0x%02X: %d\n", cmd, err); + + return err; +} + +static int tdx_ec_power_off(struct sys_off_data *data) +{ + struct regmap *regmap = data->cb_data; + int err; + + err = tdx_ec_cmd(regmap, EC_CMD_POWEROFF); + + return err ? NOTIFY_BAD : NOTIFY_DONE; +} + +static int tdx_ec_restart(struct sys_off_data *data) +{ + struct regmap *regmap = data->cb_data; + int err; + + err = tdx_ec_cmd(regmap, EC_CMD_RESET); + + return err ? NOTIFY_BAD : NOTIFY_DONE; +} + +static int tdx_ec_register_power_off_restart(struct device *dev, struct regmap *regmap) +{ + int err; + + err = devm_register_sys_off_handler(dev, SYS_OFF_MODE_RESTART, + SYS_OFF_PRIO_FIRMWARE, + tdx_ec_restart, regmap); + if (err) + return err; + + return devm_register_sys_off_handler(dev, SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_FIRMWARE, + tdx_ec_power_off, regmap); +} + +static int tdx_ec_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + u8 reg_val[EC_ID_VERSION_LEN]; + struct regmap *regmap; + int err; + + regmap = devm_regmap_init_i2c(client, ®map_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + err = regmap_bulk_read(regmap, EC_CHIP_ID_REG, ®_val, EC_ID_VERSION_LEN); + if (err) + return dev_err_probe(dev, err, + "Cannot read id and version registers\n"); + + dev_info(dev, "Toradex Embedded Controller id %x - Firmware %u.%u\n", + reg_val[0], reg_val[1], reg_val[2]); + + err = tdx_ec_register_power_off_restart(dev, regmap); + if (err) + return dev_err_probe(dev, err, + "Cannot register system restart handler\n"); + + return 0; +} + +static const struct of_device_id __maybe_unused of_tdx_ec_match[] = { + { .compatible = "toradex,smarc-ec" }, + {} +}; +MODULE_DEVICE_TABLE(of, of_tdx_ec_match); + +static struct i2c_driver tdx_ec_driver = { + .probe = tdx_ec_probe, + .driver = { + .name = "toradex-smarc-ec", + .of_match_table = of_tdx_ec_match, + }, +}; +module_i2c_driver(tdx_ec_driver); + +MODULE_AUTHOR("Emanuele Ghidoli <emanuele.ghidoli@toradex.com>"); +MODULE_DESCRIPTION("Toradex SMARC Embedded Controller driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/power/sequencing/pwrseq-qcom-wcn.c b/drivers/power/sequencing/pwrseq-qcom-wcn.c index e8f5030f2639..7d8d6b340749 100644 --- a/drivers/power/sequencing/pwrseq-qcom-wcn.c +++ b/drivers/power/sequencing/pwrseq-qcom-wcn.c @@ -155,7 +155,7 @@ static const struct pwrseq_unit_data pwrseq_qcom_wcn_bt_unit_data = { }; static const struct pwrseq_unit_data pwrseq_qcom_wcn6855_bt_unit_data = { - .name = "wlan-enable", + .name = "bluetooth-enable", .deps = pwrseq_qcom_wcn6855_unit_deps, .enable = pwrseq_qcom_wcn_bt_enable, .disable = pwrseq_qcom_wcn_bt_disable, diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index 7b18358f194a..79ddb006e2da 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -107,6 +107,18 @@ config BATTERY_ACT8945A Say Y here to enable support for power supply provided by Active-semi ActivePath ACT8945A charger. +config BATTERY_CHAGALL + tristate "Pegatron Chagall battery driver" + depends on I2C + depends on LEDS_CLASS + help + Say Y to include support for Cypress CG7153AM IC based battery + fuel gauge with custom firmware found in Pegatron Chagall based + tablet line. + + This driver can also be built as a module. If so, the module will be + called chagall-battery. + config BATTERY_CPCAP tristate "Motorola CPCAP PMIC battery driver" depends on MFD_CPCAP && IIO @@ -161,6 +173,16 @@ config BATTERY_DS2782 Say Y here to enable support for the DS2782/DS2786 standalone battery gas-gauge. +config BATTERY_HUAWEI_GAOKUN + tristate "Huawei Matebook E Go power supply" + depends on EC_HUAWEI_GAOKUN + help + This driver enables battery and adapter support on the Huawei Matebook + E Go, which is a sc8280xp-based 2-in-1 tablet. + + To compile the driver as a module, choose M here: the module will be + called huawei-gaokun-battery. + config BATTERY_LEGO_EV3 tristate "LEGO MINDSTORMS EV3 battery" depends on OF && IIO && GPIOLIB && (ARCH_DAVINCI_DA850 || COMPILE_TEST) @@ -449,12 +471,6 @@ config CHARGER_88PM860X help Say Y here to enable charger for Marvell 88PM860x chip. -config CHARGER_PCF50633 - tristate "NXP PCF50633 MBC" - depends on MFD_PCF50633 - help - Say Y to include support for NXP PCF50633 Main Battery Charger. - config BATTERY_RX51 tristate "Nokia RX-51 (N900) battery driver" depends on TWL4030_MADC @@ -583,6 +599,12 @@ config CHARGER_MAX77693 help Say Y to enable support for the Maxim MAX77693 battery charger. +config CHARGER_MAX77705 + tristate "Maxim MAX77705 battery charger driver" + depends on MFD_MAX77705 + help + Say Y to enable support for the Maxim MAX77705 battery charger. + config CHARGER_MAX77976 tristate "Maxim MAX77976 battery charger driver" depends on I2C @@ -595,6 +617,21 @@ config CHARGER_MAX77976 This driver can also be built as a module. If so, the module will be called max77976_charger. +config CHARGER_MAX8971 + tristate "Maxim MAX8971 battery charger driver" + depends on I2C + depends on EXTCON || !EXTCON + select REGMAP_I2C + help + The MAX8971 is a compact, high-frequency, high-efficiency switch-mode + charger for a one-cell lithium-ion (Li+) battery. It delivers up to + 1.55A of current to the battery from inputs up to 7.5V and withstands + transient inputs up to 22V. + + Say Y to enable support for the Maxim MAX8971 battery charger. + This driver can also be built as a module. If so, the module will be + called max8971_charger. + config CHARGER_MAX8997 tristate "Maxim MAX8997/MAX8966 PMIC battery charger driver" depends on MFD_MAX8997 && REGULATOR_MAX8997 diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index b55cc48a4c86..4f5f8e3507f8 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_CHARGER_ADP5061) += adp5061.o obj-$(CONFIG_BATTERY_ACT8945A) += act8945a_charger.o obj-$(CONFIG_BATTERY_AXP20X) += axp20x_battery.o obj-$(CONFIG_CHARGER_AXP20X) += axp20x_ac_power.o +obj-$(CONFIG_BATTERY_CHAGALL) += chagall-battery.o obj-$(CONFIG_BATTERY_CPCAP) += cpcap-battery.o obj-$(CONFIG_BATTERY_CW2015) += cw2015_battery.o obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o @@ -31,6 +32,7 @@ obj-$(CONFIG_BATTERY_DS2781) += ds2781_battery.o obj-$(CONFIG_BATTERY_DS2782) += ds2782_battery.o obj-$(CONFIG_BATTERY_GAUGE_LTC2941) += ltc2941-battery-gauge.o obj-$(CONFIG_BATTERY_GOLDFISH) += goldfish_battery.o +obj-$(CONFIG_BATTERY_HUAWEI_GAOKUN) += huawei-gaokun-battery.o obj-$(CONFIG_BATTERY_LEGO_EV3) += lego_ev3_battery.o obj-$(CONFIG_BATTERY_LENOVO_YOGA_C630) += lenovo_yoga_c630_battery.o obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o @@ -62,7 +64,6 @@ obj-$(CONFIG_CHARGER_RT9467) += rt9467-charger.o obj-$(CONFIG_CHARGER_RT9471) += rt9471.o 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-$(CONFIG_AB8500_BM) += ab8500_bmdata.o ab8500_charger.o ab8500_fg.o ab8500_btemp.o ab8500_chargalg.o obj-$(CONFIG_CHARGER_CPCAP) += cpcap-charger.o @@ -80,7 +81,9 @@ obj-$(CONFIG_CHARGER_MAX14577) += max14577_charger.o obj-$(CONFIG_CHARGER_DETECTOR_MAX14656) += max14656_charger_detector.o obj-$(CONFIG_CHARGER_MAX77650) += max77650-charger.o obj-$(CONFIG_CHARGER_MAX77693) += max77693_charger.o +obj-$(CONFIG_CHARGER_MAX77705) += max77705_charger.o obj-$(CONFIG_CHARGER_MAX77976) += max77976_charger.o +obj-$(CONFIG_CHARGER_MAX8971) += max8971_charger.o obj-$(CONFIG_CHARGER_MAX8997) += max8997_charger.o obj-$(CONFIG_CHARGER_MAX8998) += max8998_charger.o obj-$(CONFIG_CHARGER_MP2629) += mp2629_charger.o diff --git a/drivers/power/supply/ab8500_chargalg.c b/drivers/power/supply/ab8500_chargalg.c index 7a8d1feb8e90..dc6c8b0dd1cf 100644 --- a/drivers/power/supply/ab8500_chargalg.c +++ b/drivers/power/supply/ab8500_chargalg.c @@ -1787,13 +1787,12 @@ static int ab8500_chargalg_probe(struct platform_device *pdev) psy_cfg.drv_data = di; /* Initilialize safety timer */ - hrtimer_init(&di->safety_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - di->safety_timer.function = ab8500_chargalg_safety_timer_expired; + hrtimer_setup(&di->safety_timer, ab8500_chargalg_safety_timer_expired, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); /* Initilialize maintenance timer */ - hrtimer_init(&di->maintenance_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - di->maintenance_timer.function = - ab8500_chargalg_maintenance_timer_expired; + hrtimer_setup(&di->maintenance_timer, ab8500_chargalg_maintenance_timer_expired, + CLOCK_MONOTONIC, HRTIMER_MODE_REL); /* Init work for chargalg */ INIT_DEFERRABLE_WORK(&di->chargalg_periodic_work, diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index 1042d37424f5..5f4537766e5b 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -3494,11 +3494,11 @@ static int ab8500_charger_probe(struct platform_device *pdev) di->invalid_charger_detect_state = 0; /* AC and USB supply config */ - ac_psy_cfg.of_node = np; + ac_psy_cfg.fwnode = dev_fwnode(dev); ac_psy_cfg.supplied_to = supply_interface; ac_psy_cfg.num_supplicants = ARRAY_SIZE(supply_interface); ac_psy_cfg.drv_data = &di->ac_chg; - usb_psy_cfg.of_node = np; + usb_psy_cfg.fwnode = dev_fwnode(dev); usb_psy_cfg.supplied_to = supply_interface; usb_psy_cfg.num_supplicants = ARRAY_SIZE(supply_interface); usb_psy_cfg.drv_data = &di->usb_chg; diff --git a/drivers/power/supply/acer_a500_battery.c b/drivers/power/supply/acer_a500_battery.c index 39d85b11a13c..daf01dc8025b 100644 --- a/drivers/power/supply/acer_a500_battery.c +++ b/drivers/power/supply/acer_a500_battery.c @@ -17,6 +17,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/workqueue.h> +#include <linux/property.h> enum { REG_CAPACITY, @@ -231,7 +232,7 @@ static int a500_battery_probe(struct platform_device *pdev) platform_set_drvdata(pdev, bat); - psy_cfg.of_node = pdev->dev.parent->of_node; + psy_cfg.fwnode = dev_fwnode(pdev->dev.parent); psy_cfg.drv_data = bat; psy_cfg.no_wakeup_source = true; diff --git a/drivers/power/supply/act8945a_charger.c b/drivers/power/supply/act8945a_charger.c index b2b82f97a471..3901a02f326a 100644 --- a/drivers/power/supply/act8945a_charger.c +++ b/drivers/power/supply/act8945a_charger.c @@ -614,7 +614,7 @@ static int act8945a_charger_probe(struct platform_device *pdev) if (ret) return -EINVAL; - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = charger; charger->psy = devm_power_supply_register(&pdev->dev, diff --git a/drivers/power/supply/axp20x_ac_power.c b/drivers/power/supply/axp20x_ac_power.c index e5733cb9e19e..5f6ea416fa30 100644 --- a/drivers/power/supply/axp20x_ac_power.c +++ b/drivers/power/supply/axp20x_ac_power.c @@ -364,7 +364,7 @@ static int axp20x_ac_power_probe(struct platform_device *pdev) platform_set_drvdata(pdev, power); - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = power; power->supply = devm_power_supply_register(&pdev->dev, diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c index 3c3158f31a48..50ca8e110085 100644 --- a/drivers/power/supply/axp20x_battery.c +++ b/drivers/power/supply/axp20x_battery.c @@ -89,6 +89,8 @@ #define AXP717_BAT_CC_MIN_UA 0 #define AXP717_BAT_CC_MAX_UA 3008000 +#define AXP717_TS_PIN_DISABLE BIT(4) + struct axp20x_batt_ps; struct axp_data { @@ -117,6 +119,7 @@ struct axp20x_batt_ps { /* Maximum constant charge current */ unsigned int max_ccc; const struct axp_data *data; + bool ts_disable; }; static int axp20x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt, @@ -984,6 +987,24 @@ static void axp717_set_battery_info(struct platform_device *pdev, int ccc = info->constant_charge_current_max_ua; int val; + axp_batt->ts_disable = (device_property_read_bool(axp_batt->dev, + "x-powers,no-thermistor")); + + /* + * Under rare conditions an incorrectly programmed efuse for + * the temp sensor on the PMIC may trigger a fault condition. + * Allow users to hard-code if the ts pin is not used to work + * around this problem. Note that this requires the battery + * be correctly defined in the device tree with a monitored + * battery node. + */ + if (axp_batt->ts_disable) { + regmap_update_bits(axp_batt->regmap, + AXP717_TS_PIN_CFG, + AXP717_TS_PIN_DISABLE, + AXP717_TS_PIN_DISABLE); + } + if (vmin > 0 && axp717_set_voltage_min_design(axp_batt, vmin)) dev_err(&pdev->dev, "couldn't set voltage_min_design\n"); @@ -1090,7 +1111,7 @@ static int axp20x_power_probe(struct platform_device *pdev) platform_set_drvdata(pdev, axp20x_batt); psy_cfg.drv_data = axp20x_batt; - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); axp20x_batt->data = (struct axp_data *)of_device_get_match_data(dev); diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c index 9722912268fe..e75d1e377ac1 100644 --- a/drivers/power/supply/axp20x_usb_power.c +++ b/drivers/power/supply/axp20x_usb_power.c @@ -492,7 +492,7 @@ static int axp717_usb_power_set_input_current_limit(struct axp20x_usb_power *pow if (power->max_input_cur && (intval > power->max_input_cur)) { dev_warn(power->dev, - "reqested current %d clamped to max current %d\n", + "requested current %d clamped to max current %d\n", intval, power->max_input_cur); intval = power->max_input_cur; } @@ -1011,7 +1011,7 @@ static int axp20x_usb_power_probe(struct platform_device *pdev) return ret; } - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = power; power->supply = devm_power_supply_register(&pdev->dev, diff --git a/drivers/power/supply/bd99954-charger.c b/drivers/power/supply/bd99954-charger.c index 54bf88262510..d03a70cf8406 100644 --- a/drivers/power/supply/bd99954-charger.c +++ b/drivers/power/supply/bd99954-charger.c @@ -156,7 +156,7 @@ static const struct regmap_config bd9995x_regmap_config = { .reg_stride = 1, .max_register = 3 * 0x100, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .ranges = regmap_range_cfg, .num_ranges = ARRAY_SIZE(regmap_range_cfg), @@ -982,7 +982,7 @@ static int bd9995x_probe(struct i2c_client *client) bd->client = client; bd->dev = dev; psy_cfg.drv_data = bd; - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); mutex_init(&bd->lock); diff --git a/drivers/power/supply/bq2415x_charger.c b/drivers/power/supply/bq2415x_charger.c index 22f6a3b71632..9e3b9181ee76 100644 --- a/drivers/power/supply/bq2415x_charger.c +++ b/drivers/power/supply/bq2415x_charger.c @@ -1497,7 +1497,7 @@ static int bq2415x_power_supply_init(struct bq2415x_device *bq) char revstr[8]; struct power_supply_config psy_cfg = { .drv_data = bq, - .of_node = bq->dev->of_node, + .fwnode = dev_fwnode(bq->dev), .attr_grp = bq2415x_sysfs_groups, }; diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index b4ba01744368..1867beadd7af 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -207,6 +207,7 @@ enum bq24190_chip { BQ24190, BQ24192, BQ24192i, + BQ24193, BQ24196, BQ24296, BQ24297, @@ -2021,6 +2022,17 @@ static const struct bq24190_chip_info bq24190_chip_info_tbl[] = { .get_ntc_status = bq24190_charger_get_ntc_status, .set_otg_vbus = bq24190_set_otg_vbus, }, + [BQ24193] = { + .ichg_array_size = ARRAY_SIZE(bq24190_ccc_ichg_values), +#ifdef CONFIG_REGULATOR + .vbus_desc = &bq24190_vbus_desc, +#endif + .check_chip = bq24190_check_chip, + .set_chg_config = bq24190_battery_set_chg_config, + .ntc_fault_mask = BQ24190_REG_F_NTC_FAULT_MASK, + .get_ntc_status = bq24190_charger_get_ntc_status, + .set_otg_vbus = bq24190_set_otg_vbus, + }, [BQ24196] = { .ichg_array_size = ARRAY_SIZE(bq24190_ccc_ichg_values), #ifdef CONFIG_REGULATOR @@ -2117,7 +2129,7 @@ static int bq24190_probe(struct i2c_client *client) #endif charger_cfg.drv_data = bdi; - charger_cfg.of_node = dev->of_node; + charger_cfg.fwnode = dev_fwnode(dev); charger_cfg.supplied_to = bq24190_charger_supplied_to; charger_cfg.num_supplicants = ARRAY_SIZE(bq24190_charger_supplied_to); bdi->charger = power_supply_register(dev, &bq24190_charger_desc, @@ -2308,6 +2320,7 @@ static const struct i2c_device_id bq24190_i2c_ids[] = { { "bq24190", (kernel_ulong_t)&bq24190_chip_info_tbl[BQ24190] }, { "bq24192", (kernel_ulong_t)&bq24190_chip_info_tbl[BQ24192] }, { "bq24192i", (kernel_ulong_t)&bq24190_chip_info_tbl[BQ24192i] }, + { "bq24193", (kernel_ulong_t)&bq24190_chip_info_tbl[BQ24193] }, { "bq24196", (kernel_ulong_t)&bq24190_chip_info_tbl[BQ24196] }, { "bq24296", (kernel_ulong_t)&bq24190_chip_info_tbl[BQ24296] }, { "bq24297", (kernel_ulong_t)&bq24190_chip_info_tbl[BQ24297] }, @@ -2319,6 +2332,7 @@ static const struct of_device_id bq24190_of_match[] = { { .compatible = "ti,bq24190", .data = &bq24190_chip_info_tbl[BQ24190] }, { .compatible = "ti,bq24192", .data = &bq24190_chip_info_tbl[BQ24192] }, { .compatible = "ti,bq24192i", .data = &bq24190_chip_info_tbl[BQ24192i] }, + { .compatible = "ti,bq24193", .data = &bq24190_chip_info_tbl[BQ24193] }, { .compatible = "ti,bq24196", .data = &bq24190_chip_info_tbl[BQ24196] }, { .compatible = "ti,bq24296", .data = &bq24190_chip_info_tbl[BQ24296] }, { .compatible = "ti,bq24297", .data = &bq24190_chip_info_tbl[BQ24297] }, diff --git a/drivers/power/supply/bq24257_charger.c b/drivers/power/supply/bq24257_charger.c index 1416586f2459..766eecb35694 100644 --- a/drivers/power/supply/bq24257_charger.c +++ b/drivers/power/supply/bq24257_charger.c @@ -113,7 +113,7 @@ static const struct regmap_config bq24257_regmap_config = { .val_bits = 8, .max_register = BQ24257_REG_7, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = bq24257_is_volatile_reg, }; diff --git a/drivers/power/supply/bq24735-charger.c b/drivers/power/supply/bq24735-charger.c index 73a7fc867b03..637e0da65f87 100644 --- a/drivers/power/supply/bq24735-charger.c +++ b/drivers/power/supply/bq24735-charger.c @@ -402,7 +402,7 @@ static int bq24735_charger_probe(struct i2c_client *client) psy_cfg.supplied_to = charger->pdata->supplied_to; psy_cfg.num_supplicants = charger->pdata->num_supplicants; - psy_cfg.of_node = client->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&client->dev); psy_cfg.drv_data = charger; i2c_set_clientdata(client, charger); diff --git a/drivers/power/supply/bq2515x_charger.c b/drivers/power/supply/bq2515x_charger.c index a3424f67f2b1..437bff5bc420 100644 --- a/drivers/power/supply/bq2515x_charger.c +++ b/drivers/power/supply/bq2515x_charger.c @@ -1060,7 +1060,7 @@ static const struct regmap_config bq25150_regmap_config = { .max_register = BQ2515X_DEVICE_ID, .reg_defaults = bq25150_reg_defaults, .num_reg_defaults = ARRAY_SIZE(bq25150_reg_defaults), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = bq2515x_volatile_register, }; @@ -1071,7 +1071,7 @@ static const struct regmap_config bq25155_regmap_config = { .max_register = BQ2515X_DEVICE_ID, .reg_defaults = bq25155_reg_defaults, .num_reg_defaults = ARRAY_SIZE(bq25155_reg_defaults), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = bq2515x_volatile_register, }; @@ -1102,7 +1102,7 @@ static int bq2515x_probe(struct i2c_client *client) i2c_set_clientdata(client, bq2515x); charger_cfg.drv_data = bq2515x; - charger_cfg.of_node = dev->of_node; + charger_cfg.fwnode = dev_fwnode(dev); ret = bq2515x_read_properties(bq2515x); if (ret) { diff --git a/drivers/power/supply/bq256xx_charger.c b/drivers/power/supply/bq256xx_charger.c index 5514d1896bb8..9f9b6019f8e1 100644 --- a/drivers/power/supply/bq256xx_charger.c +++ b/drivers/power/supply/bq256xx_charger.c @@ -1657,7 +1657,7 @@ static int bq256xx_parse_dt(struct bq256xx_device *bq, int ret = 0; psy_cfg->drv_data = bq; - psy_cfg->of_node = dev->of_node; + psy_cfg->fwnode = dev_fwnode(dev); ret = device_property_read_u32(bq->dev, "ti,watchdog-timeout-ms", &bq->watchdog_timer); diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 2f5ceaf00b94..868e86e1749b 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -164,7 +164,7 @@ static const struct regmap_config bq25890_regmap_config = { .val_bits = 8, .max_register = 0x14, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .wr_table = &bq25890_writeable_regs, .volatile_table = &bq25890_volatile_regs, diff --git a/drivers/power/supply/bq25980_charger.c b/drivers/power/supply/bq25980_charger.c index 0c5e2938bb36..4ff76e3dddf6 100644 --- a/drivers/power/supply/bq25980_charger.c +++ b/drivers/power/supply/bq25980_charger.c @@ -932,7 +932,7 @@ static const struct regmap_config bq25980_regmap_config = { .max_register = BQ25980_CHRGR_CTRL_6, .reg_defaults = bq25980_reg_defs, .num_reg_defaults = ARRAY_SIZE(bq25980_reg_defs), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = bq25980_is_volatile_reg, }; @@ -943,7 +943,7 @@ static const struct regmap_config bq25975_regmap_config = { .max_register = BQ25980_CHRGR_CTRL_6, .reg_defaults = bq25975_reg_defs, .num_reg_defaults = ARRAY_SIZE(bq25975_reg_defs), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = bq25980_is_volatile_reg, }; @@ -954,7 +954,7 @@ static const struct regmap_config bq25960_regmap_config = { .max_register = BQ25980_CHRGR_CTRL_6, .reg_defaults = bq25960_reg_defs, .num_reg_defaults = ARRAY_SIZE(bq25960_reg_defs), - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .volatile_reg = bq25980_is_volatile_reg, }; @@ -1057,7 +1057,7 @@ static int bq25980_power_supply_init(struct bq25980_device *bq, struct device *dev) { struct power_supply_config psy_cfg = { .drv_data = bq, - .of_node = dev->of_node, }; + .fwnode = dev_fwnode(dev), }; psy_cfg.supplied_to = bq25980_charger_supplied_to; psy_cfg.num_supplicants = ARRAY_SIZE(bq25980_charger_supplied_to); diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index a8d8bcaace2f..93dcebbe1141 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -124,6 +124,7 @@ enum bq27xxx_reg_index { BQ27XXX_DM_DATA, /* Block Data */ BQ27XXX_DM_CKSUM, /* Block Data Checksum */ BQ27XXX_REG_SEDVF, /* End-of-discharge Voltage */ + BQ27XXX_REG_PKCFG, /* Pack Configuration */ BQ27XXX_REG_MAX, /* sentinel */ }; @@ -161,6 +162,7 @@ static u8 [BQ27XXX_DM_DATA] = INVALID_REG_ADDR, [BQ27XXX_DM_CKSUM] = INVALID_REG_ADDR, [BQ27XXX_REG_SEDVF] = 0x77, + [BQ27XXX_REG_PKCFG] = 0x7C, }, bq27010_regs[BQ27XXX_REG_MAX] = { [BQ27XXX_REG_CTRL] = 0x00, @@ -187,6 +189,7 @@ static u8 [BQ27XXX_DM_DATA] = INVALID_REG_ADDR, [BQ27XXX_DM_CKSUM] = INVALID_REG_ADDR, [BQ27XXX_REG_SEDVF] = 0x77, + [BQ27XXX_REG_PKCFG] = 0x7C, }, bq2750x_regs[BQ27XXX_REG_MAX] = { [BQ27XXX_REG_CTRL] = 0x00, @@ -583,6 +586,7 @@ static enum power_supply_property bq27000_props[] = { POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_MANUFACTURER, POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, }; static enum power_supply_property bq27010_props[] = { @@ -604,6 +608,7 @@ static enum power_supply_property bq27010_props[] = { POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_MANUFACTURER, POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, }; #define bq2750x_props bq27510g3_props @@ -2044,6 +2049,35 @@ static int bq27xxx_battery_voltage(struct bq27xxx_device_info *di, } /* + * Return the design maximum battery Voltage in microvolts, or < 0 if something + * fails. The programmed value of the maximum battery voltage is determined by + * QV0 and QV1 (bits 5 and 6) in the Pack Configuration register. + */ +static int bq27xxx_battery_read_dmax_volt(struct bq27xxx_device_info *di, + union power_supply_propval *val) +{ + int reg_val, qv; + + if (di->voltage_max_design > 0) { + val->intval = di->voltage_max_design; + return 0; + } + + reg_val = bq27xxx_read(di, BQ27XXX_REG_PKCFG, true); + if (reg_val < 0) { + dev_err(di->dev, "error reading design max voltage\n"); + return reg_val; + } + + qv = (reg_val >> 5) & 0x3; + val->intval = 3968000 + 48000 * qv; + + di->voltage_max_design = val->intval; + + return 0; +} + +/* * Return the design minimum battery Voltage in microvolts * Or < 0 if something fails. */ @@ -2097,7 +2131,7 @@ static int bq27xxx_battery_get_property(struct power_supply *psy, mutex_unlock(&di->lock); if (psp != POWER_SUPPLY_PROP_PRESENT && di->cache.flags < 0) - return -ENODEV; + return di->cache.flags; switch (psp) { case POWER_SUPPLY_PROP_STATUS: @@ -2157,6 +2191,9 @@ static int bq27xxx_battery_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: ret = bq27xxx_battery_read_dmin_volt(di, val); break; + case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + ret = bq27xxx_battery_read_dmax_volt(di, val); + break; case POWER_SUPPLY_PROP_CYCLE_COUNT: ret = bq27xxx_battery_read_cyct(di, val); break; @@ -2198,7 +2235,7 @@ int bq27xxx_battery_setup(struct bq27xxx_device_info *di) { struct power_supply_desc *psy_desc; struct power_supply_config psy_cfg = { - .of_node = di->dev->of_node, + .fwnode = dev_fwnode(di->dev), .drv_data = di, .no_wakeup_source = true, }; diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index ba0d22d90429..868e95f0887e 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -6,6 +6,7 @@ * Andrew F. Davis <afd@ti.com> */ +#include <linux/delay.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/module.h> @@ -31,6 +32,7 @@ static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg, struct i2c_msg msg[2]; u8 data[2]; int ret; + int retry = 0; if (!client->adapter) return -ENODEV; @@ -47,7 +49,16 @@ static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg, else msg[1].len = 2; - ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); + do { + ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); + if (ret == -EBUSY && ++retry < 3) { + /* sleep 10 milliseconds when busy */ + usleep_range(10000, 11000); + continue; + } + break; + } while (1); + if (ret < 0) return ret; diff --git a/drivers/power/supply/chagall-battery.c b/drivers/power/supply/chagall-battery.c new file mode 100644 index 000000000000..8b05422aca6f --- /dev/null +++ b/drivers/power/supply/chagall-battery.c @@ -0,0 +1,291 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <linux/array_size.h> +#include <linux/delay.h> +#include <linux/devm-helpers.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/leds.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/power_supply.h> +#include <linux/regmap.h> + +#define CHAGALL_REG_LED_AMBER 0x60 +#define CHAGALL_REG_LED_WHITE 0x70 +#define CHAGALL_REG_BATTERY_TEMPERATURE 0xa2 +#define CHAGALL_REG_BATTERY_VOLTAGE 0xa4 +#define CHAGALL_REG_BATTERY_CURRENT 0xa6 +#define CHAGALL_REG_BATTERY_CAPACITY 0xa8 +#define CHAGALL_REG_BATTERY_CHARGING_CURRENT 0xaa +#define CHAGALL_REG_BATTERY_CHARGING_VOLTAGE 0xac +#define CHAGALL_REG_BATTERY_STATUS 0xae +#define BATTERY_DISCHARGING BIT(6) +#define BATTERY_FULL_CHARGED BIT(5) +#define BATTERY_FULL_DISCHARGED BIT(4) +#define CHAGALL_REG_BATTERY_REMAIN_CAPACITY 0xb0 +#define CHAGALL_REG_BATTERY_FULL_CAPACITY 0xb2 +#define CHAGALL_REG_MAX_COUNT 0xb4 + +#define CHAGALL_BATTERY_DATA_REFRESH 5000 +#define TEMP_CELSIUS_OFFSET 2731 + +static const struct regmap_config chagall_battery_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = CHAGALL_REG_MAX_COUNT, + .reg_format_endian = REGMAP_ENDIAN_LITTLE, + .val_format_endian = REGMAP_ENDIAN_LITTLE, +}; + +struct chagall_battery_data { + struct regmap *regmap; + struct led_classdev amber_led; + struct led_classdev white_led; + struct power_supply *battery; + struct delayed_work poll_work; + u16 last_state; +}; + +static void chagall_led_set_brightness_amber(struct led_classdev *led, + enum led_brightness brightness) +{ + struct chagall_battery_data *cg = + container_of(led, struct chagall_battery_data, amber_led); + + regmap_write(cg->regmap, CHAGALL_REG_LED_AMBER, brightness); +} + +static void chagall_led_set_brightness_white(struct led_classdev *led, + enum led_brightness brightness) +{ + struct chagall_battery_data *cg = + container_of(led, struct chagall_battery_data, white_led); + + regmap_write(cg->regmap, CHAGALL_REG_LED_WHITE, brightness); +} + +static const enum power_supply_property chagall_battery_properties[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_VOLTAGE_MAX, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CURRENT_MAX, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_CHARGE_NOW, +}; + +static const unsigned int chagall_battery_prop_offs[] = { + [POWER_SUPPLY_PROP_STATUS] = CHAGALL_REG_BATTERY_STATUS, + [POWER_SUPPLY_PROP_VOLTAGE_NOW] = CHAGALL_REG_BATTERY_VOLTAGE, + [POWER_SUPPLY_PROP_VOLTAGE_MAX] = CHAGALL_REG_BATTERY_CHARGING_VOLTAGE, + [POWER_SUPPLY_PROP_CURRENT_NOW] = CHAGALL_REG_BATTERY_CURRENT, + [POWER_SUPPLY_PROP_CURRENT_MAX] = CHAGALL_REG_BATTERY_CHARGING_CURRENT, + [POWER_SUPPLY_PROP_CAPACITY] = CHAGALL_REG_BATTERY_CAPACITY, + [POWER_SUPPLY_PROP_TEMP] = CHAGALL_REG_BATTERY_TEMPERATURE, + [POWER_SUPPLY_PROP_CHARGE_FULL] = CHAGALL_REG_BATTERY_FULL_CAPACITY, + [POWER_SUPPLY_PROP_CHARGE_NOW] = CHAGALL_REG_BATTERY_REMAIN_CAPACITY, +}; + +static int chagall_battery_get_value(struct chagall_battery_data *cg, + enum power_supply_property psp, u32 *val) +{ + if (psp >= ARRAY_SIZE(chagall_battery_prop_offs)) + return -EINVAL; + if (!chagall_battery_prop_offs[psp]) + return -EINVAL; + + /* Battery data is stored in 2 consecutive registers with little-endian */ + return regmap_bulk_read(cg->regmap, chagall_battery_prop_offs[psp], val, 2); +} + +static int chagall_battery_get_status(u32 status_reg) +{ + if (status_reg & BATTERY_FULL_CHARGED) + return POWER_SUPPLY_STATUS_FULL; + else if (status_reg & BATTERY_DISCHARGING) + return POWER_SUPPLY_STATUS_DISCHARGING; + else + return POWER_SUPPLY_STATUS_CHARGING; +} + +static int chagall_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct chagall_battery_data *cg = power_supply_get_drvdata(psy); + int ret; + + switch (psp) { + case POWER_SUPPLY_PROP_PRESENT: + val->intval = 1; + break; + + default: + ret = chagall_battery_get_value(cg, psp, &val->intval); + if (ret) + return ret; + + switch (psp) { + case POWER_SUPPLY_PROP_TEMP: + val->intval -= TEMP_CELSIUS_OFFSET; + break; + + case POWER_SUPPLY_PROP_VOLTAGE_MAX: + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + case POWER_SUPPLY_PROP_CURRENT_MAX: + case POWER_SUPPLY_PROP_CURRENT_NOW: + case POWER_SUPPLY_PROP_CHARGE_FULL: + case POWER_SUPPLY_PROP_CHARGE_NOW: + val->intval *= 1000; + break; + + case POWER_SUPPLY_PROP_STATUS: + val->intval = chagall_battery_get_status(val->intval); + break; + + default: + break; + } + + break; + } + + return 0; +} + +static void chagall_battery_poll_work(struct work_struct *work) +{ + struct chagall_battery_data *cg = + container_of(work, struct chagall_battery_data, poll_work.work); + u32 state; + int ret; + + ret = chagall_battery_get_value(cg, POWER_SUPPLY_PROP_STATUS, &state); + if (ret) + return; + + state = chagall_battery_get_status(state); + + if (cg->last_state != state) { + cg->last_state = state; + power_supply_changed(cg->battery); + } + + /* continuously send uevent notification */ + schedule_delayed_work(&cg->poll_work, + msecs_to_jiffies(CHAGALL_BATTERY_DATA_REFRESH)); +} + +static const struct power_supply_desc chagall_battery_desc = { + .name = "chagall-battery", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = chagall_battery_properties, + .num_properties = ARRAY_SIZE(chagall_battery_properties), + .get_property = chagall_battery_get_property, + .external_power_changed = power_supply_changed, +}; + +static int chagall_battery_probe(struct i2c_client *client) +{ + struct chagall_battery_data *cg; + struct device *dev = &client->dev; + struct power_supply_config cfg = { }; + int ret; + + cg = devm_kzalloc(dev, sizeof(*cg), GFP_KERNEL); + if (!cg) + return -ENOMEM; + + cfg.drv_data = cg; + cfg.fwnode = dev_fwnode(dev); + + i2c_set_clientdata(client, cg); + + cg->regmap = devm_regmap_init_i2c(client, &chagall_battery_regmap_config); + if (IS_ERR(cg->regmap)) + return dev_err_probe(dev, PTR_ERR(cg->regmap), "cannot allocate regmap\n"); + + cg->last_state = POWER_SUPPLY_STATUS_UNKNOWN; + cg->battery = devm_power_supply_register(dev, &chagall_battery_desc, &cfg); + if (IS_ERR(cg->battery)) + return dev_err_probe(dev, PTR_ERR(cg->battery), + "failed to register power supply\n"); + + cg->amber_led.name = "power::amber"; + cg->amber_led.max_brightness = 1; + cg->amber_led.flags = LED_CORE_SUSPENDRESUME; + cg->amber_led.brightness_set = chagall_led_set_brightness_amber; + cg->amber_led.default_trigger = "chagall-battery-charging"; + + ret = devm_led_classdev_register(dev, &cg->amber_led); + if (ret) + return dev_err_probe(dev, ret, "failed to register amber LED\n"); + + cg->white_led.name = "power::white"; + cg->white_led.max_brightness = 1; + cg->white_led.flags = LED_CORE_SUSPENDRESUME; + cg->white_led.brightness_set = chagall_led_set_brightness_white; + cg->white_led.default_trigger = "chagall-battery-full"; + + ret = devm_led_classdev_register(dev, &cg->white_led); + if (ret) + return dev_err_probe(dev, ret, "failed to register white LED\n"); + + led_set_brightness(&cg->amber_led, LED_OFF); + led_set_brightness(&cg->white_led, LED_OFF); + + ret = devm_delayed_work_autocancel(dev, &cg->poll_work, chagall_battery_poll_work); + if (ret) + return ret; + + schedule_delayed_work(&cg->poll_work, msecs_to_jiffies(CHAGALL_BATTERY_DATA_REFRESH)); + + return 0; +} + +static int __maybe_unused chagall_battery_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct chagall_battery_data *cg = i2c_get_clientdata(client); + + cancel_delayed_work_sync(&cg->poll_work); + + return 0; +} + +static int __maybe_unused chagall_battery_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct chagall_battery_data *cg = i2c_get_clientdata(client); + + schedule_delayed_work(&cg->poll_work, msecs_to_jiffies(CHAGALL_BATTERY_DATA_REFRESH)); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(chagall_battery_pm_ops, + chagall_battery_suspend, chagall_battery_resume); + +static const struct of_device_id chagall_of_match[] = { + { .compatible = "pegatron,chagall-ec" }, + { } +}; +MODULE_DEVICE_TABLE(of, chagall_of_match); + +static struct i2c_driver chagall_battery_driver = { + .driver = { + .name = "chagall-battery", + .pm = &chagall_battery_pm_ops, + .of_match_table = chagall_of_match, + }, + .probe = chagall_battery_probe, +}; +module_i2c_driver(chagall_battery_driver); + +MODULE_AUTHOR("Svyatoslav Ryhel <clamor95@gmail.com>"); +MODULE_DESCRIPTION("Pegatron Chagall fuel gauge driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/power/supply/collie_battery.c b/drivers/power/supply/collie_battery.c index 68390bd1004f..3daf7befc0bf 100644 --- a/drivers/power/supply/collie_battery.c +++ b/drivers/power/supply/collie_battery.c @@ -440,6 +440,7 @@ err_put_gpio_full: static void collie_bat_remove(struct ucb1x00_dev *dev) { + device_init_wakeup(&ucb->dev, 0); free_irq(gpiod_to_irq(collie_bat_main.gpio_full), &collie_bat_main); power_supply_unregister(collie_bat_bu.psy); power_supply_unregister(collie_bat_main.psy); diff --git a/drivers/power/supply/cpcap-battery.c b/drivers/power/supply/cpcap-battery.c index 813037c00ded..8106d1edcbc2 100644 --- a/drivers/power/supply/cpcap-battery.c +++ b/drivers/power/supply/cpcap-battery.c @@ -1130,7 +1130,7 @@ static int cpcap_battery_probe(struct platform_device *pdev) if (error) return error; - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = ddata; ddata->psy = devm_power_supply_register(ddata->dev, diff --git a/drivers/power/supply/cpcap-charger.c b/drivers/power/supply/cpcap-charger.c index 6625d539d9ae..d0c3008db534 100644 --- a/drivers/power/supply/cpcap-charger.c +++ b/drivers/power/supply/cpcap-charger.c @@ -689,9 +689,8 @@ static void cpcap_usb_detect(struct work_struct *work) struct power_supply *battery; battery = power_supply_get_by_name("battery"); - if (IS_ERR_OR_NULL(battery)) { - dev_err(ddata->dev, "battery power_supply not available %li\n", - PTR_ERR(battery)); + if (!battery) { + dev_err(ddata->dev, "battery power_supply not available\n"); return; } @@ -902,7 +901,7 @@ static int cpcap_charger_probe(struct platform_device *pdev) atomic_set(&ddata->active, 1); - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = ddata; psy_cfg.supplied_to = cpcap_charger_supplied_to; psy_cfg.num_supplicants = ARRAY_SIZE(cpcap_charger_supplied_to); diff --git a/drivers/power/supply/cros_charge-control.c b/drivers/power/supply/cros_charge-control.c index 02d5bdbe2e8d..53e6a77e03fc 100644 --- a/drivers/power/supply/cros_charge-control.c +++ b/drivers/power/supply/cros_charge-control.c @@ -47,29 +47,20 @@ struct cros_chctl_priv { static int cros_chctl_send_charge_control_cmd(struct cros_ec_device *cros_ec, u8 cmd_version, struct ec_params_charge_control *req) { + int ret; static const u8 outsizes[] = { [1] = offsetof(struct ec_params_charge_control, cmd), [2] = sizeof(struct ec_params_charge_control), [3] = sizeof(struct ec_params_charge_control), }; - struct { - struct cros_ec_command msg; - union { - struct ec_params_charge_control req; - struct ec_response_charge_control resp; - } __packed data; - } __packed buf = { - .msg = { - .command = EC_CMD_CHARGE_CONTROL, - .version = cmd_version, - .insize = 0, - .outsize = outsizes[cmd_version], - }, - .data.req = *req, - }; + ret = cros_ec_cmd(cros_ec, cmd_version, EC_CMD_CHARGE_CONTROL, req, + outsizes[cmd_version], NULL, 0); + + if (ret < 0) + return ret; - return cros_ec_cmd_xfer_status(cros_ec, &buf.msg); + return 0; } static int cros_chctl_configure_ec(struct cros_chctl_priv *priv) diff --git a/drivers/power/supply/da9030_battery.c b/drivers/power/supply/da9030_battery.c index ac2e319e9517..d25279c26030 100644 --- a/drivers/power/supply/da9030_battery.c +++ b/drivers/power/supply/da9030_battery.c @@ -502,8 +502,7 @@ static int da9030_battery_probe(struct platform_device *pdev) /* 10 seconds between monitor runs unless platform defines other interval */ - charger->interval = msecs_to_jiffies( - (pdata->batmon_interval ? : 10) * 1000); + charger->interval = secs_to_jiffies(pdata->batmon_interval ? : 10); charger->charge_milliamp = pdata->charge_milliamp; charger->charge_millivolt = pdata->charge_millivolt; diff --git a/drivers/power/supply/ds2760_battery.c b/drivers/power/supply/ds2760_battery.c index 83bdec5a2bda..5badf58c6edb 100644 --- a/drivers/power/supply/ds2760_battery.c +++ b/drivers/power/supply/ds2760_battery.c @@ -112,7 +112,6 @@ struct ds2760_device_info { struct power_supply_desc bat_desc; struct workqueue_struct *monitor_wqueue; struct delayed_work monitor_work; - struct delayed_work set_charged_work; struct notifier_block pm_notifier; }; @@ -489,50 +488,6 @@ static void ds2760_battery_external_power_changed(struct power_supply *psy) } -static void ds2760_battery_set_charged_work(struct work_struct *work) -{ - char bias; - struct ds2760_device_info *di = container_of(work, - struct ds2760_device_info, set_charged_work.work); - - dev_dbg(di->dev, "%s\n", __func__); - - ds2760_battery_read_status(di); - - /* When we get notified by external circuitry that the battery is - * considered fully charged now, we know that there is no current - * flow any more. However, the ds2760's internal current meter is - * too inaccurate to rely on - spec say something ~15% failure. - * Hence, we use the current offset bias register to compensate - * that error. - */ - - if (!power_supply_am_i_supplied(di->bat)) - return; - - bias = (signed char) di->current_raw + - (signed char) di->raw[DS2760_CURRENT_OFFSET_BIAS]; - - dev_dbg(di->dev, "%s: bias = %d\n", __func__, bias); - - w1_ds2760_write(di->dev, &bias, DS2760_CURRENT_OFFSET_BIAS, 1); - w1_ds2760_store_eeprom(di->dev, DS2760_EEPROM_BLOCK1); - w1_ds2760_recall_eeprom(di->dev, DS2760_EEPROM_BLOCK1); - - /* Write to the di->raw[] buffer directly - the CURRENT_OFFSET_BIAS - * value won't be read back by ds2760_battery_read_status() */ - di->raw[DS2760_CURRENT_OFFSET_BIAS] = bias; -} - -static void ds2760_battery_set_charged(struct power_supply *psy) -{ - struct ds2760_device_info *di = power_supply_get_drvdata(psy); - - /* postpone the actual work by 20 secs. This is for debouncing GPIO - * signals and to let the current value settle. See AN4188. */ - mod_delayed_work(di->monitor_wqueue, &di->set_charged_work, HZ * 20); -} - static int ds2760_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) @@ -692,17 +647,15 @@ static int w1_ds2760_add_slave(struct w1_slave *sl) di->bat_desc.set_property = ds2760_battery_set_property; di->bat_desc.property_is_writeable = ds2760_battery_property_is_writeable; - di->bat_desc.set_charged = ds2760_battery_set_charged; di->bat_desc.external_power_changed = ds2760_battery_external_power_changed; psy_cfg.drv_data = di; + psy_cfg.fwnode = dev_fwnode(dev); if (dev->of_node) { u32 tmp; - psy_cfg.of_node = dev->of_node; - if (!of_property_read_bool(dev->of_node, "maxim,pmod-enabled")) pmod_enabled = true; @@ -747,8 +700,6 @@ static int w1_ds2760_add_slave(struct w1_slave *sl) } INIT_DELAYED_WORK(&di->monitor_work, ds2760_battery_work); - INIT_DELAYED_WORK(&di->set_charged_work, - ds2760_battery_set_charged_work); di->monitor_wqueue = alloc_ordered_workqueue(name, WQ_MEM_RECLAIM); if (!di->monitor_wqueue) { retval = -ESRCH; @@ -774,7 +725,6 @@ static void w1_ds2760_remove_slave(struct w1_slave *sl) unregister_pm_notifier(&di->pm_notifier); cancel_delayed_work_sync(&di->monitor_work); - cancel_delayed_work_sync(&di->set_charged_work); destroy_workqueue(di->monitor_wqueue); } diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c index d5d215f5ad8b..f5f2566b3a32 100644 --- a/drivers/power/supply/generic-adc-battery.c +++ b/drivers/power/supply/generic-adc-battery.c @@ -166,7 +166,7 @@ static int gab_probe(struct platform_device *pdev) if (!adc_bat) return -ENOMEM; - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = adc_bat; psy_desc = &adc_bat->psy_desc; psy_desc->name = dev_name(&pdev->dev); diff --git a/drivers/power/supply/gpio-charger.c b/drivers/power/supply/gpio-charger.c index 46d18ce6a739..1b2da9b5fb65 100644 --- a/drivers/power/supply/gpio-charger.c +++ b/drivers/power/supply/gpio-charger.c @@ -333,7 +333,7 @@ static int gpio_charger_probe(struct platform_device *pdev) charger_desc->property_is_writeable = gpio_charger_property_is_writeable; - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); psy_cfg.drv_data = gpio_charger; if (pdata) { @@ -366,7 +366,9 @@ static int gpio_charger_probe(struct platform_device *pdev) platform_set_drvdata(pdev, gpio_charger); - device_init_wakeup(dev, 1); + ret = devm_device_init_wakeup(dev); + if (ret) + return dev_err_probe(dev, ret, "Failed to init wakeup\n"); return 0; } diff --git a/drivers/power/supply/huawei-gaokun-battery.c b/drivers/power/supply/huawei-gaokun-battery.c new file mode 100644 index 000000000000..e4dfec3b4241 --- /dev/null +++ b/drivers/power/supply/huawei-gaokun-battery.c @@ -0,0 +1,645 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * huawei-gaokun-battery - A power supply driver for HUAWEI Matebook E Go + * + * Copyright (C) 2024 Pengyu Luo <mitltlatltl@gmail.com> + */ + +#include <linux/auxiliary_bus.h> +#include <linux/bits.h> +#include <linux/delay.h> +#include <linux/jiffies.h> +#include <linux/module.h> +#include <linux/notifier.h> +#include <linux/platform_data/huawei-gaokun-ec.h> +#include <linux/power_supply.h> +#include <linux/sprintf.h> + +/* -------------------------------------------------------------------------- */ +/* String Data Reg */ + +#define EC_BAT_VENDOR 0x01 /* from 0x01 to 0x0F, SUNWODA */ +#define EC_BAT_MODEL 0x11 /* from 0x11 to 0x1F, HB30A8P9ECW-22T */ + +#define EC_ADP_STATUS 0x81 +#define EC_AC_STATUS BIT(0) +#define EC_BAT_PRESENT BIT(1) /* BATC._STA */ + +#define EC_BAT_STATUS 0x82 /* _BST */ +#define EC_BAT_DISCHARGING BIT(0) +#define EC_BAT_CHARGING BIT(1) +#define EC_BAT_CRITICAL BIT(2) /* Low Battery Level */ +#define EC_BAT_FULL BIT(3) + +/* -------------------------------------------------------------------------- */ +/* Word Data Reg */ + +/* 0x5A: ? + * 0x5C: ? + * 0x5E: ? + * 0X60: ? + * 0x84: ? + */ + +#define EC_BAT_STATUS_START 0x90 +#define EC_BAT_PERCENTAGE 0x90 +#define EC_BAT_VOLTAGE 0x92 +#define EC_BAT_CAPACITY 0x94 +#define EC_BAT_FULL_CAPACITY 0x96 +/* 0x98: ? */ +#define EC_BAT_CURRENT 0x9A +/* 0x9C: ? */ + +#define EC_BAT_INFO_START 0xA0 +/* 0xA0: POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT? */ +#define EC_BAT_DESIGN_CAPACITY 0xA2 +#define EC_BAT_DESIGN_VOLTAGE 0xA4 +#define EC_BAT_SERIAL_NUMBER 0xA6 +#define EC_BAT_CYCLE_COUNT 0xAA + +/* -------------------------------------------------------------------------- */ +/* Battery Event ID */ + +#define EC_EVENT_BAT_A0 0xA0 +#define EC_EVENT_BAT_A1 0xA1 +#define EC_EVENT_BAT_A2 0xA2 +#define EC_EVENT_BAT_A3 0xA3 +#define EC_EVENT_BAT_B1 0xB1 +/* EVENT B1 A0 A1 repeat about every 1s 2s 3s respectively */ + +/* ACPI _BIX field, Min sampling time, the duration between two _BST */ +#define CACHE_TIME 2000 /* cache time in milliseconds */ + +#define MILLI_TO_MICRO 1000 + +#define SMART_CHARGE_MODE 0 +#define SMART_CHARGE_DELAY 1 +#define SMART_CHARGE_START 2 +#define SMART_CHARGE_END 3 + +#define NO_DELAY_MODE 1 +#define DELAY_MODE 4 + +struct gaokun_psy_bat_status { + __le16 percentage_now; /* 0x90 */ + __le16 voltage_now; + __le16 capacity_now; + __le16 full_capacity; + __le16 unknown1; + __le16 rate_now; + __le16 unknown2; /* 0x9C */ +} __packed; + +struct gaokun_psy_bat_info { + __le16 unknown3; /* 0xA0 */ + __le16 design_capacity; + __le16 design_voltage; + __le16 serial_number; + __le16 padding2; + __le16 cycle_count; /* 0xAA */ +} __packed; + +struct gaokun_psy { + struct gaokun_ec *ec; + struct device *dev; + struct notifier_block nb; + + struct power_supply *bat_psy; + struct power_supply *adp_psy; + + unsigned long update_time; + struct gaokun_psy_bat_status status; + struct gaokun_psy_bat_info info; + + char battery_model[0x10]; /* HB30A8P9ECW-22T, the real one is XXX-22A */ + char battery_serial[0x10]; + char battery_vendor[0x10]; + + int charge_now; + int online; + int bat_present; +}; + +/* -------------------------------------------------------------------------- */ +/* Adapter */ + +static int gaokun_psy_get_adp_status(struct gaokun_psy *ecbat) +{ + /* _PSR */ + int ret; + u8 online; + + ret = gaokun_ec_psy_read_byte(ecbat->ec, EC_ADP_STATUS, &online); + if (ret) + return ret; + + ecbat->online = !!(online & EC_AC_STATUS); + + return 0; +} + +static int gaokun_psy_get_adp_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct gaokun_psy *ecbat = power_supply_get_drvdata(psy); + int ret; + + ret = gaokun_psy_get_adp_status(ecbat); + if (ret) + return ret; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + val->intval = ecbat->online; + break; + case POWER_SUPPLY_PROP_USB_TYPE: + val->intval = POWER_SUPPLY_USB_TYPE_C; + break; + default: + return -EINVAL; + } + + return 0; +} + +static enum power_supply_property gaokun_psy_adp_props[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_USB_TYPE, +}; + +static const struct power_supply_desc gaokun_psy_adp_desc = { + .name = "gaokun-ec-adapter", + .type = POWER_SUPPLY_TYPE_USB, + .usb_types = BIT(POWER_SUPPLY_USB_TYPE_C), + .get_property = gaokun_psy_get_adp_property, + .properties = gaokun_psy_adp_props, + .num_properties = ARRAY_SIZE(gaokun_psy_adp_props), +}; + +/* -------------------------------------------------------------------------- */ +/* Battery */ + +static inline void gaokun_psy_get_bat_present(struct gaokun_psy *ecbat) +{ + int ret; + u8 present; + + /* Some kind of initialization */ + gaokun_ec_write(ecbat->ec, (u8 []){0x02, 0xB2, 1, 0x90}); + + ret = gaokun_ec_psy_read_byte(ecbat->ec, EC_ADP_STATUS, &present); + + ecbat->bat_present = ret ? false : !!(present & EC_BAT_PRESENT); +} + +static inline int gaokun_psy_bat_present(struct gaokun_psy *ecbat) +{ + return ecbat->bat_present; +} + +static int gaokun_psy_get_bat_info(struct gaokun_psy *ecbat) +{ + /* _BIX */ + if (!gaokun_psy_bat_present(ecbat)) + return 0; + + return gaokun_ec_psy_multi_read(ecbat->ec, EC_BAT_INFO_START, + sizeof(ecbat->info), (u8 *)&ecbat->info); +} + +static void gaokun_psy_update_bat_charge(struct gaokun_psy *ecbat) +{ + u8 charge; + + gaokun_ec_psy_read_byte(ecbat->ec, EC_BAT_STATUS, &charge); + + switch (charge) { + case EC_BAT_CHARGING: + ecbat->charge_now = POWER_SUPPLY_STATUS_CHARGING; + break; + case EC_BAT_DISCHARGING: + ecbat->charge_now = POWER_SUPPLY_STATUS_DISCHARGING; + break; + case EC_BAT_FULL: + ecbat->charge_now = POWER_SUPPLY_STATUS_FULL; + break; + default: + dev_warn(ecbat->dev, "unknown charge state %d\n", charge); + } +} + +static int gaokun_psy_get_bat_status(struct gaokun_psy *ecbat) +{ + /* _BST */ + int ret; + + if (time_before(jiffies, ecbat->update_time + + msecs_to_jiffies(CACHE_TIME))) + return 0; + + gaokun_psy_update_bat_charge(ecbat); + ret = gaokun_ec_psy_multi_read(ecbat->ec, EC_BAT_STATUS_START, + sizeof(ecbat->status), (u8 *)&ecbat->status); + + ecbat->update_time = jiffies; + + return ret; +} + +static void gaokun_psy_init(struct gaokun_psy *ecbat) +{ + gaokun_psy_get_bat_present(ecbat); + if (!gaokun_psy_bat_present(ecbat)) + return; + + gaokun_psy_get_bat_info(ecbat); + + snprintf(ecbat->battery_serial, sizeof(ecbat->battery_serial), + "%d", le16_to_cpu(ecbat->info.serial_number)); + + gaokun_ec_psy_multi_read(ecbat->ec, EC_BAT_VENDOR, + sizeof(ecbat->battery_vendor) - 1, + ecbat->battery_vendor); + + gaokun_ec_psy_multi_read(ecbat->ec, EC_BAT_MODEL, + sizeof(ecbat->battery_model) - 1, + ecbat->battery_model); + + ecbat->battery_model[14] = 'A'; /* FIX UP */ +} + +static int gaokun_psy_get_bat_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct gaokun_psy *ecbat = power_supply_get_drvdata(psy); + u8 buf[GAOKUN_SMART_CHARGE_DATA_SIZE]; + int ret; + + if (gaokun_psy_bat_present(ecbat)) + gaokun_psy_get_bat_status(ecbat); + else if (psp != POWER_SUPPLY_PROP_PRESENT) + return -ENODEV; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + val->intval = ecbat->charge_now; + break; + + case POWER_SUPPLY_PROP_PRESENT: + val->intval = ecbat->bat_present; + break; + + case POWER_SUPPLY_PROP_TECHNOLOGY: + val->intval = POWER_SUPPLY_TECHNOLOGY_LION; + break; + + case POWER_SUPPLY_PROP_CYCLE_COUNT: + val->intval = le16_to_cpu(ecbat->info.cycle_count); + break; + + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + val->intval = le16_to_cpu(ecbat->info.design_voltage) * MILLI_TO_MICRO; + break; + + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = le16_to_cpu(ecbat->status.voltage_now) * MILLI_TO_MICRO; + break; + + case POWER_SUPPLY_PROP_CURRENT_NOW: + val->intval = (s16)le16_to_cpu(ecbat->status.rate_now) * MILLI_TO_MICRO; + break; + + case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: + val->intval = le16_to_cpu(ecbat->info.design_capacity) * MILLI_TO_MICRO; + break; + + case POWER_SUPPLY_PROP_CHARGE_FULL: + val->intval = le16_to_cpu(ecbat->status.full_capacity) * MILLI_TO_MICRO; + break; + + case POWER_SUPPLY_PROP_CHARGE_NOW: + val->intval = le16_to_cpu(ecbat->status.capacity_now) * MILLI_TO_MICRO; + break; + + case POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD: + case POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD: + ret = gaokun_ec_psy_get_smart_charge(ecbat->ec, buf); + if (ret) + return ret; + + if (psp == POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD) + val->intval = buf[SMART_CHARGE_START]; + else + val->intval = buf[SMART_CHARGE_END]; + break; + + case POWER_SUPPLY_PROP_CAPACITY: + val->intval = le16_to_cpu(ecbat->status.percentage_now); + break; + + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = ecbat->battery_model; + break; + + case POWER_SUPPLY_PROP_MANUFACTURER: + val->strval = ecbat->battery_vendor; + break; + + case POWER_SUPPLY_PROP_SERIAL_NUMBER: + val->strval = ecbat->battery_serial; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int gaokun_psy_set_bat_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct gaokun_psy *ecbat = power_supply_get_drvdata(psy); + u8 buf[GAOKUN_SMART_CHARGE_DATA_SIZE]; + int ret; + + if (!gaokun_psy_bat_present(ecbat)) + return -ENODEV; + + ret = gaokun_ec_psy_get_smart_charge(ecbat->ec, buf); + if (ret) + return ret; + + switch (psp) { + /* + * Resetting another thershold makes single thersold setting more likely + * to succeed. But setting start = end makes thing strange(failure). + */ + case POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD: + buf[SMART_CHARGE_START] = val->intval; + if (buf[SMART_CHARGE_START] > buf[SMART_CHARGE_END]) + buf[SMART_CHARGE_END] = buf[SMART_CHARGE_START] + 1; + return gaokun_ec_psy_set_smart_charge(ecbat->ec, buf); + + case POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD: + buf[SMART_CHARGE_END] = val->intval; + if (buf[SMART_CHARGE_END] < buf[SMART_CHARGE_START]) + buf[SMART_CHARGE_START] = buf[SMART_CHARGE_END] - 1; + return gaokun_ec_psy_set_smart_charge(ecbat->ec, buf); + + default: + return -EINVAL; + } + + return 0; +} + +static int gaokun_psy_is_bat_property_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + return psp == POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD || + psp == POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD; +} + +static enum power_supply_property gaokun_psy_bat_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_CYCLE_COUNT, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, + POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_CHARGE_NOW, + POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD, + POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_MANUFACTURER, + POWER_SUPPLY_PROP_SERIAL_NUMBER, +}; + +static const struct power_supply_desc gaokun_psy_bat_desc = { + .name = "gaokun-ec-battery", + .type = POWER_SUPPLY_TYPE_BATTERY, + .get_property = gaokun_psy_get_bat_property, + .set_property = gaokun_psy_set_bat_property, + .property_is_writeable = gaokun_psy_is_bat_property_writeable, + .properties = gaokun_psy_bat_props, + .num_properties = ARRAY_SIZE(gaokun_psy_bat_props), +}; + +/* -------------------------------------------------------------------------- */ +/* Sysfs */ + +/* + * Note that, HUAWEI calls them SBAC/GBAC and SBCM/GBCM in DSDT, they are likely + * Set/Get Battery Adaptive Charging and Set/Get Battery Charging Mode. + */ + +/* battery adaptive charge */ +static ssize_t battery_adaptive_charge_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct power_supply *psy = to_power_supply(dev); + struct gaokun_psy *ecbat = power_supply_get_drvdata(psy); + int ret; + bool on; + + ret = gaokun_ec_psy_get_smart_charge_enable(ecbat->ec, &on); + if (ret) + return ret; + + return sysfs_emit(buf, "%d\n", on); +} + +static ssize_t battery_adaptive_charge_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t size) +{ + struct power_supply *psy = to_power_supply(dev); + struct gaokun_psy *ecbat = power_supply_get_drvdata(psy); + int ret; + bool on; + + if (kstrtobool(buf, &on)) + return -EINVAL; + + ret = gaokun_ec_psy_set_smart_charge_enable(ecbat->ec, on); + if (ret) + return ret; + + return size; +} + +static DEVICE_ATTR_RW(battery_adaptive_charge); + +static inline int get_charge_delay(u8 buf[GAOKUN_SMART_CHARGE_DATA_SIZE]) +{ + return buf[SMART_CHARGE_MODE] == NO_DELAY_MODE ? 0 : buf[SMART_CHARGE_DELAY]; +} + +static inline void +set_charge_delay(u8 buf[GAOKUN_SMART_CHARGE_DATA_SIZE], u8 delay) +{ + if (delay) { + buf[SMART_CHARGE_DELAY] = delay; + buf[SMART_CHARGE_MODE] = DELAY_MODE; + } else { + /* No writing zero, there is a specific mode for it. */ + buf[SMART_CHARGE_MODE] = NO_DELAY_MODE; + } +} + +/* Smart charge */ +static ssize_t smart_charge_delay_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct power_supply *psy = to_power_supply(dev); + struct gaokun_psy *ecbat = power_supply_get_drvdata(psy); + u8 bf[GAOKUN_SMART_CHARGE_DATA_SIZE]; + int ret; + + ret = gaokun_ec_psy_get_smart_charge(ecbat->ec, bf); + if (ret) + return ret; + + return sysfs_emit(buf, "%d\n", get_charge_delay(bf)); +} + +static ssize_t smart_charge_delay_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t size) +{ + struct power_supply *psy = to_power_supply(dev); + struct gaokun_psy *ecbat = power_supply_get_drvdata(psy); + u8 bf[GAOKUN_SMART_CHARGE_DATA_SIZE]; + u8 delay; + int ret; + + if (kstrtou8(buf, 10, &delay)) + return -EINVAL; + + ret = gaokun_ec_psy_get_smart_charge(ecbat->ec, bf); + if (ret) + return ret; + + set_charge_delay(bf, delay); + + ret = gaokun_ec_psy_set_smart_charge(ecbat->ec, bf); + if (ret) + return ret; + + return size; +} + +static DEVICE_ATTR_RW(smart_charge_delay); + +static struct attribute *gaokun_psy_features_attrs[] = { + &dev_attr_battery_adaptive_charge.attr, + &dev_attr_smart_charge_delay.attr, + NULL, +}; +ATTRIBUTE_GROUPS(gaokun_psy_features); + +static int gaokun_psy_notify(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct gaokun_psy *ecbat = container_of(nb, struct gaokun_psy, nb); + + switch (action) { + case EC_EVENT_BAT_A2: + case EC_EVENT_BAT_B1: + gaokun_psy_get_bat_info(ecbat); + return NOTIFY_OK; + + case EC_EVENT_BAT_A0: + gaokun_psy_get_adp_status(ecbat); + power_supply_changed(ecbat->adp_psy); + msleep(10); + fallthrough; + + case EC_EVENT_BAT_A1: + case EC_EVENT_BAT_A3: + if (action == EC_EVENT_BAT_A3) { + gaokun_psy_get_bat_info(ecbat); + msleep(100); + } + gaokun_psy_get_bat_status(ecbat); + power_supply_changed(ecbat->bat_psy); + return NOTIFY_OK; + + default: + return NOTIFY_DONE; + } +} + +static int gaokun_psy_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) +{ + struct gaokun_ec *ec = adev->dev.platform_data; + struct power_supply_config psy_cfg = {}; + struct device *dev = &adev->dev; + struct gaokun_psy *ecbat; + + ecbat = devm_kzalloc(&adev->dev, sizeof(*ecbat), GFP_KERNEL); + if (!ecbat) + return -ENOMEM; + + ecbat->ec = ec; + ecbat->dev = dev; + ecbat->nb.notifier_call = gaokun_psy_notify; + + auxiliary_set_drvdata(adev, ecbat); + + psy_cfg.drv_data = ecbat; + ecbat->adp_psy = devm_power_supply_register(dev, &gaokun_psy_adp_desc, + &psy_cfg); + if (IS_ERR(ecbat->adp_psy)) + return dev_err_probe(dev, PTR_ERR(ecbat->adp_psy), + "Failed to register AC power supply\n"); + + psy_cfg.supplied_to = (char **)&gaokun_psy_bat_desc.name; + psy_cfg.num_supplicants = 1; + psy_cfg.no_wakeup_source = true; + psy_cfg.attr_grp = gaokun_psy_features_groups; + ecbat->bat_psy = devm_power_supply_register(dev, &gaokun_psy_bat_desc, + &psy_cfg); + if (IS_ERR(ecbat->bat_psy)) + return dev_err_probe(dev, PTR_ERR(ecbat->bat_psy), + "Failed to register battery power supply\n"); + gaokun_psy_init(ecbat); + + return gaokun_ec_register_notify(ec, &ecbat->nb); +} + +static void gaokun_psy_remove(struct auxiliary_device *adev) +{ + struct gaokun_psy *ecbat = auxiliary_get_drvdata(adev); + + gaokun_ec_unregister_notify(ecbat->ec, &ecbat->nb); +} + +static const struct auxiliary_device_id gaokun_psy_id_table[] = { + { .name = GAOKUN_MOD_NAME "." GAOKUN_DEV_PSY, }, + {} +}; +MODULE_DEVICE_TABLE(auxiliary, gaokun_psy_id_table); + +static struct auxiliary_driver gaokun_psy_driver = { + .name = GAOKUN_DEV_PSY, + .id_table = gaokun_psy_id_table, + .probe = gaokun_psy_probe, + .remove = gaokun_psy_remove, +}; + +module_auxiliary_driver(gaokun_psy_driver); + +MODULE_DESCRIPTION("HUAWEI Matebook E Go psy driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/power/supply/ingenic-battery.c b/drivers/power/supply/ingenic-battery.c index 0a40f425c277..b111c7ce2be3 100644 --- a/drivers/power/supply/ingenic-battery.c +++ b/drivers/power/supply/ingenic-battery.c @@ -146,7 +146,7 @@ static int ingenic_battery_probe(struct platform_device *pdev) desc->num_properties = ARRAY_SIZE(ingenic_battery_properties); desc->get_property = ingenic_battery_get_property; psy_cfg.drv_data = bat; - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); bat->battery = devm_power_supply_register(dev, desc, &psy_cfg); if (IS_ERR(bat->battery)) diff --git a/drivers/power/supply/ip5xxx_power.c b/drivers/power/supply/ip5xxx_power.c index c448e0ac0dfa..24eea7a91b30 100644 --- a/drivers/power/supply/ip5xxx_power.c +++ b/drivers/power/supply/ip5xxx_power.c @@ -828,10 +828,9 @@ static void ip5xxx_setup_regs(struct device *dev, struct ip5xxx *ip5xxx, static int ip5xxx_power_probe(struct i2c_client *client) { - const struct ip5xxx_regfield_config *fields = &ip51xx_fields; + const struct ip5xxx_regfield_config *fields; struct power_supply_config psy_cfg = {}; struct device *dev = &client->dev; - const struct of_device_id *of_id; struct power_supply *psy; struct ip5xxx *ip5xxx; @@ -843,12 +842,10 @@ static int ip5xxx_power_probe(struct i2c_client *client) if (IS_ERR(ip5xxx->regmap)) return PTR_ERR(ip5xxx->regmap); - of_id = i2c_of_match_device(dev->driver->of_match_table, client); - if (of_id) - fields = (const struct ip5xxx_regfield_config *)of_id->data; + fields = i2c_get_match_data(client) ?: &ip51xx_fields; ip5xxx_setup_regs(dev, ip5xxx, fields); - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); psy_cfg.drv_data = ip5xxx; psy = devm_power_supply_register(dev, &ip5xxx_battery_desc, &psy_cfg); diff --git a/drivers/power/supply/lego_ev3_battery.c b/drivers/power/supply/lego_ev3_battery.c index 9085de0ae1b2..28454de05761 100644 --- a/drivers/power/supply/lego_ev3_battery.c +++ b/drivers/power/supply/lego_ev3_battery.c @@ -23,6 +23,7 @@ #include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include <linux/power_supply.h> +#include <linux/property.h> struct lego_ev3_battery { struct iio_channel *iio_v; @@ -198,7 +199,7 @@ static int lego_ev3_battery_probe(struct platform_device *pdev) batt->v_min = 48000000; } - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = batt; batt->psy = devm_power_supply_register(dev, &lego_ev3_battery_desc, diff --git a/drivers/power/supply/lt3651-charger.c b/drivers/power/supply/lt3651-charger.c index 8de500ffad95..ebfbdbcb7683 100644 --- a/drivers/power/supply/lt3651-charger.c +++ b/drivers/power/supply/lt3651-charger.c @@ -131,7 +131,7 @@ static int lt3651_charger_probe(struct platform_device *pdev) charger_desc->properties = lt3651_charger_properties; charger_desc->num_properties = ARRAY_SIZE(lt3651_charger_properties); charger_desc->get_property = lt3651_charger_get_property; - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = lt3651_charger; lt3651_charger->charger = devm_power_supply_register(&pdev->dev, diff --git a/drivers/power/supply/ltc4162-l-charger.c b/drivers/power/supply/ltc4162-l-charger.c index 23eb426295db..9dd74fa9552d 100644 --- a/drivers/power/supply/ltc4162-l-charger.c +++ b/drivers/power/supply/ltc4162-l-charger.c @@ -1119,7 +1119,7 @@ static const struct regmap_config ltc4162l_regmap_config = { .writeable_reg = ltc4162l_is_writeable_reg, .volatile_reg = ltc4162l_is_volatile_reg, .max_register = LTC4162L_INPUT_UNDERVOLTAGE_DAC, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static void ltc4162l_clear_interrupts(struct ltc4162l_info *info) @@ -1185,7 +1185,7 @@ static int ltc4162l_probe(struct i2c_client *client) if (!device_property_read_u32(dev, "lltc,cell-count", &value)) info->cell_count = value; - ltc4162l_config.of_node = dev->of_node; + ltc4162l_config.fwnode = dev_fwnode(dev); ltc4162l_config.drv_data = info; ltc4162l_config.attr_grp = ltc4162l_attr_groups; diff --git a/drivers/power/supply/max14577_charger.c b/drivers/power/supply/max14577_charger.c index 1cef2f860b5f..63077d38ea30 100644 --- a/drivers/power/supply/max14577_charger.c +++ b/drivers/power/supply/max14577_charger.c @@ -501,7 +501,7 @@ static struct max14577_charger_platform_data *max14577_charger_dt_init( static struct max14577_charger_platform_data *max14577_charger_dt_init( struct platform_device *pdev) { - return NULL; + return ERR_PTR(-ENODATA); } #endif /* CONFIG_OF */ @@ -572,7 +572,7 @@ static int max14577_charger_probe(struct platform_device *pdev) chg->max14577 = max14577; chg->pdata = max14577_charger_dt_init(pdev); - if (IS_ERR_OR_NULL(chg->pdata)) + if (IS_ERR(chg->pdata)) return PTR_ERR(chg->pdata); ret = max14577_charger_reg_init(chg); diff --git a/drivers/power/supply/max17040_battery.c b/drivers/power/supply/max17040_battery.c index 51310f6e4803..c1640bc6accd 100644 --- a/drivers/power/supply/max17040_battery.c +++ b/drivers/power/supply/max17040_battery.c @@ -410,8 +410,9 @@ static int max17040_get_property(struct power_supply *psy, if (!chip->channel_temp) return -ENODATA; - iio_read_channel_processed_scale(chip->channel_temp, - &val->intval, 10); + iio_read_channel_processed(chip->channel_temp, &val->intval); + val->intval /= 100; /* Convert from milli- to deci-degree */ + break; default: return -EINVAL; diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index 655b3f25dbd7..acea176101fa 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -1066,7 +1066,7 @@ static int max17042_probe(struct i2c_client *client, struct device *dev, int irq dev_set_drvdata(dev, chip); psy_cfg.drv_data = chip; - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); /* When current is not measured, * CURRENT_NOW and CURRENT_AVG properties should be invisible. */ diff --git a/drivers/power/supply/max1720x_battery.c b/drivers/power/supply/max1720x_battery.c index 11580e414713..68b5314ecf3a 100644 --- a/drivers/power/supply/max1720x_battery.c +++ b/drivers/power/supply/max1720x_battery.c @@ -29,6 +29,11 @@ /* ModelGauge m5 */ #define MAX172XX_STATUS 0x00 /* Status */ #define MAX172XX_STATUS_BAT_ABSENT BIT(3) /* Battery absent */ +#define MAX172XX_STATUS_IMX BIT(6) /* Maximum Current Alert Threshold Exceeded */ +#define MAX172XX_STATUS_VMN BIT(8) /* Minimum Voltage Alert Threshold Exceeded */ +#define MAX172XX_STATUS_TMN BIT(9) /* Minimum Temperature Alert Threshold Exceeded */ +#define MAX172XX_STATUS_VMX BIT(12) /* Maximum Voltage Alert Threshold Exceeded */ +#define MAX172XX_STATUS_TMX BIT(13) /* Maximum Temperature Alert Threshold Exceeded */ #define MAX172XX_REPCAP 0x05 /* Average capacity */ #define MAX172XX_REPSOC 0x06 /* Percentage of charge */ #define MAX172XX_TEMP 0x08 /* Temperature */ @@ -114,7 +119,7 @@ static const struct regmap_config max1720x_regmap_cfg = { .val_format_endian = REGMAP_ENDIAN_LITTLE, .rd_table = &max1720x_readable_regs, .volatile_table = &max1720x_volatile_regs, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static const struct regmap_range max1720x_nvmem_allow[] = { @@ -250,6 +255,7 @@ static const struct nvmem_cell_info max1720x_nvmem_cells[] = { }; static const enum power_supply_property max1720x_battery_props[] = { + POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_CAPACITY, POWER_SUPPLY_PROP_VOLTAGE_NOW, @@ -282,9 +288,10 @@ static int max172xx_voltage_to_ps(unsigned int reg) return reg * 1250; /* in uV */ } -static int max172xx_capacity_to_ps(unsigned int reg) +static int max172xx_capacity_to_ps(unsigned int reg, + struct max1720x_device_info *info) { - return reg * 500; /* in uAh */ + return reg * (500000 / info->rsense); /* in uAh */ } /* @@ -302,7 +309,7 @@ static int max172xx_temperature_to_ps(unsigned int reg) /* * Calculating current registers resolution: * - * RSense stored in 10^-5 Ohm, so mesaurment voltage must be + * RSense stored in 10^-5 Ohm, so measurement voltage must be * in 10^-11 Volts for get current in uA. * 16 bit current reg fullscale +/-51.2mV is 102400 uV. * So: 102400 / 65535 * 10^5 = 156252 @@ -314,6 +321,43 @@ static int max172xx_current_to_voltage(unsigned int reg) return val * 156252; } +static int max172xx_battery_health(struct max1720x_device_info *info, + unsigned int *health) +{ + unsigned int status; + int ret; + + ret = regmap_read(info->regmap, MAX172XX_STATUS, &status); + if (ret < 0) + return ret; + + if (status & MAX172XX_STATUS_VMN) + *health = POWER_SUPPLY_HEALTH_DEAD; + else if (status & MAX172XX_STATUS_VMX) + *health = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + else if (status & MAX172XX_STATUS_TMN) + *health = POWER_SUPPLY_HEALTH_COLD; + else if (status & MAX172XX_STATUS_TMX) + *health = POWER_SUPPLY_HEALTH_OVERHEAT; + else if (status & MAX172XX_STATUS_IMX) + *health = POWER_SUPPLY_HEALTH_OVERCURRENT; + else + *health = POWER_SUPPLY_HEALTH_GOOD; + + /* Clear events which are not self-clearing to detect next events */ + if (status > 0 && status != MAX172XX_STATUS_IMX) { + ret = regmap_set_bits(info->regmap, MAX172XX_STATUS, + MAX172XX_STATUS_VMN | + MAX172XX_STATUS_VMX | + MAX172XX_STATUS_TMN | + MAX172XX_STATUS_TMX); + if (ret < 0) + return ret; + } + + return 0; +} + static int max1720x_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) @@ -323,6 +367,10 @@ static int max1720x_battery_get_property(struct power_supply *psy, int ret = 0; switch (psp) { + case POWER_SUPPLY_PROP_HEALTH: + ret = max172xx_battery_health(info, ®_val); + val->intval = reg_val; + break; case POWER_SUPPLY_PROP_PRESENT: /* * POWER_SUPPLY_PROP_PRESENT will always readable via @@ -347,11 +395,11 @@ static int max1720x_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: ret = regmap_read(info->regmap, MAX172XX_DESIGN_CAP, ®_val); - val->intval = max172xx_capacity_to_ps(reg_val); + val->intval = max172xx_capacity_to_ps(reg_val, info); break; case POWER_SUPPLY_PROP_CHARGE_AVG: ret = regmap_read(info->regmap, MAX172XX_REPCAP, ®_val); - val->intval = max172xx_capacity_to_ps(reg_val); + val->intval = max172xx_capacity_to_ps(reg_val, info); break; case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: ret = regmap_read(info->regmap, MAX172XX_TTE, ®_val); @@ -375,7 +423,7 @@ static int max1720x_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CHARGE_FULL: ret = regmap_read(info->regmap, MAX172XX_FULL_CAP, ®_val); - val->intval = max172xx_capacity_to_ps(reg_val); + val->intval = max172xx_capacity_to_ps(reg_val, info); break; case POWER_SUPPLY_PROP_MODEL_NAME: ret = regmap_read(info->regmap, MAX172XX_DEV_NAME, ®_val); diff --git a/drivers/power/supply/max77650-charger.c b/drivers/power/supply/max77650-charger.c index 5f58c0c24b4d..4ae43668992e 100644 --- a/drivers/power/supply/max77650-charger.c +++ b/drivers/power/supply/max77650-charger.c @@ -298,7 +298,7 @@ static int max77650_charger_probe(struct platform_device *pdev) chg->dev = dev; - pscfg.of_node = dev->of_node; + pscfg.fwnode = dev_fwnode(dev); pscfg.drv_data = chg; chg_irq = platform_get_irq_byname(pdev, "CHG"); diff --git a/drivers/power/supply/max77705_charger.c b/drivers/power/supply/max77705_charger.c new file mode 100644 index 000000000000..329b430d0e50 --- /dev/null +++ b/drivers/power/supply/max77705_charger.c @@ -0,0 +1,589 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Based on max77650-charger.c + * + * Copyright (C) 2025 Dzmitry Sankouski <dsankouski@gmail.org> + * + * Battery charger driver for MAXIM 77705 charger/power-supply. + */ + +#include <linux/devm-helpers.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/mfd/max77693-common.h> +#include <linux/mfd/max77705-private.h> +#include <linux/power/max77705_charger.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/power_supply.h> +#include <linux/regmap.h> + +static const char *max77705_charger_model = "max77705"; +static const char *max77705_charger_manufacturer = "Maxim Integrated"; + +static const struct regmap_config max77705_chg_regmap_config = { + .reg_base = MAX77705_CHG_REG_BASE, + .reg_bits = 8, + .val_bits = 8, + .max_register = MAX77705_CHG_REG_SAFEOUT_CTRL, +}; + +static enum power_supply_property max77705_charger_props[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, +}; + +static int max77705_chgin_irq(void *irq_drv_data) +{ + struct max77705_charger_data *charger = irq_drv_data; + + queue_work(charger->wqueue, &charger->chgin_work); + + return 0; +} + +static const struct regmap_irq max77705_charger_irqs[] = { + { .mask = MAX77705_BYP_IM, }, + { .mask = MAX77705_INP_LIMIT_IM, }, + { .mask = MAX77705_BATP_IM, }, + { .mask = MAX77705_BAT_IM, }, + { .mask = MAX77705_CHG_IM, }, + { .mask = MAX77705_WCIN_IM, }, + { .mask = MAX77705_CHGIN_IM, }, + { .mask = MAX77705_AICL_IM, }, +}; + +static struct regmap_irq_chip max77705_charger_irq_chip = { + .name = "max77705-charger", + .status_base = MAX77705_CHG_REG_INT, + .mask_base = MAX77705_CHG_REG_INT_MASK, + .handle_post_irq = max77705_chgin_irq, + .num_regs = 1, + .irqs = max77705_charger_irqs, + .num_irqs = ARRAY_SIZE(max77705_charger_irqs), +}; + +static int max77705_charger_enable(struct max77705_charger_data *chg) +{ + int rv; + + rv = regmap_update_bits(chg->regmap, MAX77705_CHG_REG_CNFG_09, + MAX77705_CHG_EN_MASK, MAX77705_CHG_EN_MASK); + if (rv) + dev_err(chg->dev, "unable to enable the charger: %d\n", rv); + + return rv; +} + +static void max77705_charger_disable(void *data) +{ + struct max77705_charger_data *chg = data; + int rv; + + rv = regmap_update_bits(chg->regmap, + MAX77705_CHG_REG_CNFG_09, + MAX77705_CHG_EN_MASK, + MAX77705_CHG_DISABLE); + if (rv) + dev_err(chg->dev, "unable to disable the charger: %d\n", rv); +} + +static int max77705_get_online(struct regmap *regmap, int *val) +{ + unsigned int data; + int ret; + + ret = regmap_read(regmap, MAX77705_CHG_REG_INT_OK, &data); + if (ret < 0) + return ret; + + *val = !!(data & MAX77705_CHGIN_OK); + + return 0; +} + +static int max77705_check_battery(struct max77705_charger_data *charger, int *val) +{ + unsigned int reg_data; + unsigned int reg_data2; + struct regmap *regmap = charger->regmap; + + regmap_read(regmap, MAX77705_CHG_REG_INT_OK, ®_data); + + dev_dbg(charger->dev, "CHG_INT_OK(0x%x)\n", reg_data); + + regmap_read(regmap, MAX77705_CHG_REG_DETAILS_00, ®_data2); + + dev_dbg(charger->dev, "CHG_DETAILS00(0x%x)\n", reg_data2); + + if ((reg_data & MAX77705_BATP_OK) || !(reg_data2 & MAX77705_BATP_DTLS)) + *val = true; + else + *val = false; + + return 0; +} + +static int max77705_get_charge_type(struct max77705_charger_data *charger, int *val) +{ + struct regmap *regmap = charger->regmap; + unsigned int reg_data; + + regmap_read(regmap, MAX77705_CHG_REG_CNFG_09, ®_data); + if (!MAX77705_CHARGER_CHG_CHARGING(reg_data)) { + *val = POWER_SUPPLY_CHARGE_TYPE_NONE; + return 0; + } + + regmap_read(regmap, MAX77705_CHG_REG_DETAILS_01, ®_data); + reg_data &= MAX77705_CHG_DTLS; + + switch (reg_data) { + case 0x0: + case MAX77705_CHARGER_CONSTANT_CURRENT: + case MAX77705_CHARGER_CONSTANT_VOLTAGE: + *val = POWER_SUPPLY_CHARGE_TYPE_FAST; + return 0; + default: + *val = POWER_SUPPLY_CHARGE_TYPE_NONE; + return 0; + } + + return 0; +} + +static int max77705_get_status(struct max77705_charger_data *charger, int *val) +{ + struct regmap *regmap = charger->regmap; + unsigned int reg_data; + + regmap_read(regmap, MAX77705_CHG_REG_CNFG_09, ®_data); + if (!MAX77705_CHARGER_CHG_CHARGING(reg_data)) { + *val = POWER_SUPPLY_CHARGE_TYPE_NONE; + return 0; + } + + regmap_read(regmap, MAX77705_CHG_REG_DETAILS_01, ®_data); + reg_data &= MAX77705_CHG_DTLS; + + switch (reg_data) { + case 0x0: + case MAX77705_CHARGER_CONSTANT_CURRENT: + case MAX77705_CHARGER_CONSTANT_VOLTAGE: + *val = POWER_SUPPLY_STATUS_CHARGING; + return 0; + case MAX77705_CHARGER_END_OF_CHARGE: + case MAX77705_CHARGER_DONE: + *val = POWER_SUPPLY_STATUS_FULL; + return 0; + /* those values hard coded as in vendor kernel, because of */ + /* failure to determine it's actual meaning. */ + case 0x05: + case 0x06: + case 0x07: + *val = POWER_SUPPLY_STATUS_NOT_CHARGING; + return 0; + case 0x08: + case 0xA: + case 0xB: + *val = POWER_SUPPLY_STATUS_DISCHARGING; + return 0; + default: + *val = POWER_SUPPLY_STATUS_UNKNOWN; + return 0; + } + + return 0; +} + +static int max77705_get_vbus_state(struct regmap *regmap, int *value) +{ + int ret; + unsigned int charge_dtls; + + ret = regmap_read(regmap, MAX77705_CHG_REG_DETAILS_00, &charge_dtls); + if (ret) + return ret; + + charge_dtls = ((charge_dtls & MAX77705_CHGIN_DTLS) >> + MAX77705_CHGIN_DTLS_SHIFT); + + switch (charge_dtls) { + case 0x00: + *value = POWER_SUPPLY_HEALTH_UNDERVOLTAGE; + break; + case 0x01: + *value = POWER_SUPPLY_HEALTH_UNDERVOLTAGE; + break; + case 0x02: + *value = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + break; + case 0x03: + *value = POWER_SUPPLY_HEALTH_GOOD; + break; + default: + return 0; + } + return 0; +} + +static int max77705_get_battery_health(struct max77705_charger_data *charger, + int *value) +{ + struct regmap *regmap = charger->regmap; + unsigned int bat_dtls; + + regmap_read(regmap, MAX77705_CHG_REG_DETAILS_01, &bat_dtls); + bat_dtls = ((bat_dtls & MAX77705_BAT_DTLS) >> MAX77705_BAT_DTLS_SHIFT); + + switch (bat_dtls) { + case MAX77705_BATTERY_NOBAT: + dev_dbg(charger->dev, "%s: No battery and the charger is suspended\n", + __func__); + *value = POWER_SUPPLY_HEALTH_NO_BATTERY; + break; + case MAX77705_BATTERY_PREQUALIFICATION: + dev_dbg(charger->dev, "%s: battery is okay but its voltage is low(~VPQLB)\n", + __func__); + break; + case MAX77705_BATTERY_DEAD: + dev_dbg(charger->dev, "%s: battery dead\n", __func__); + *value = POWER_SUPPLY_HEALTH_DEAD; + break; + case MAX77705_BATTERY_GOOD: + case MAX77705_BATTERY_LOWVOLTAGE: + *value = POWER_SUPPLY_HEALTH_GOOD; + break; + case MAX77705_BATTERY_OVERVOLTAGE: + dev_dbg(charger->dev, "%s: battery ovp\n", __func__); + *value = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + break; + default: + dev_dbg(charger->dev, "%s: battery unknown\n", __func__); + *value = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; + break; + } + + return 0; +} + +static int max77705_get_health(struct max77705_charger_data *charger, int *val) +{ + struct regmap *regmap = charger->regmap; + int ret, is_online = 0; + + ret = max77705_get_online(regmap, &is_online); + if (ret) + return ret; + if (is_online) { + ret = max77705_get_vbus_state(regmap, val); + if (ret || (*val != POWER_SUPPLY_HEALTH_GOOD)) + return ret; + } + return max77705_get_battery_health(charger, val); +} + +static int max77705_get_input_current(struct max77705_charger_data *charger, + int *val) +{ + unsigned int reg_data; + int get_current = 0; + struct regmap *regmap = charger->regmap; + + regmap_read(regmap, MAX77705_CHG_REG_CNFG_09, ®_data); + + reg_data &= MAX77705_CHG_CHGIN_LIM_MASK; + + if (reg_data <= 3) + get_current = MAX77705_CURRENT_CHGIN_MIN; + else if (reg_data >= MAX77705_CHG_CHGIN_LIM_MASK) + get_current = MAX77705_CURRENT_CHGIN_MAX; + else + get_current = (reg_data + 1) * MAX77705_CURRENT_CHGIN_STEP; + + *val = get_current; + + return 0; +} + +static int max77705_get_charge_current(struct max77705_charger_data *charger, + int *val) +{ + unsigned int reg_data; + struct regmap *regmap = charger->regmap; + + regmap_read(regmap, MAX77705_CHG_REG_CNFG_02, ®_data); + reg_data &= MAX77705_CHG_CC; + + *val = reg_data <= 0x2 ? MAX77705_CURRENT_CHGIN_MIN : reg_data * MAX77705_CURRENT_CHG_STEP; + + return 0; +} + +static int max77705_set_float_voltage(struct max77705_charger_data *charger, + int float_voltage) +{ + int float_voltage_mv; + unsigned int reg_data = 0; + struct regmap *regmap = charger->regmap; + + float_voltage_mv = float_voltage / 1000; + reg_data = float_voltage_mv <= 4000 ? 0x0 : + float_voltage_mv >= 4500 ? 0x23 : + (float_voltage_mv <= 4200) ? (float_voltage_mv - 4000) / 50 : + (((float_voltage_mv - 4200) / 10) + 0x04); + + return regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_04, + MAX77705_CHG_CV_PRM_MASK, + (reg_data << MAX77705_CHG_CV_PRM_SHIFT)); +} + +static int max77705_get_float_voltage(struct max77705_charger_data *charger, + int *val) +{ + unsigned int reg_data = 0; + int voltage_mv; + struct regmap *regmap = charger->regmap; + + regmap_read(regmap, MAX77705_CHG_REG_CNFG_04, ®_data); + reg_data &= MAX77705_CHG_PRM_MASK; + voltage_mv = reg_data <= 0x04 ? reg_data * 50 + 4000 : + (reg_data - 4) * 10 + 4200; + *val = voltage_mv * 1000; + + return 0; +} + +static int max77705_chg_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct max77705_charger_data *charger = power_supply_get_drvdata(psy); + struct regmap *regmap = charger->regmap; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + return max77705_get_online(regmap, &val->intval); + case POWER_SUPPLY_PROP_PRESENT: + return max77705_check_battery(charger, &val->intval); + case POWER_SUPPLY_PROP_STATUS: + return max77705_get_status(charger, &val->intval); + case POWER_SUPPLY_PROP_CHARGE_TYPE: + return max77705_get_charge_type(charger, &val->intval); + case POWER_SUPPLY_PROP_HEALTH: + return max77705_get_health(charger, &val->intval); + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + return max77705_get_input_current(charger, &val->intval); + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + return max77705_get_charge_current(charger, &val->intval); + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: + return max77705_get_float_voltage(charger, &val->intval); + case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + val->intval = charger->bat_info->voltage_max_design_uv; + break; + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = max77705_charger_model; + break; + case POWER_SUPPLY_PROP_MANUFACTURER: + val->strval = max77705_charger_manufacturer; + break; + default: + return -EINVAL; + } + return 0; +} + +static const struct power_supply_desc max77705_charger_psy_desc = { + .name = "max77705-charger", + .type = POWER_SUPPLY_TYPE_USB, + .properties = max77705_charger_props, + .num_properties = ARRAY_SIZE(max77705_charger_props), + .get_property = max77705_chg_get_property, +}; + +static void max77705_chgin_isr_work(struct work_struct *work) +{ + struct max77705_charger_data *charger = + container_of(work, struct max77705_charger_data, chgin_work); + + power_supply_changed(charger->psy_chg); +} + +static void max77705_charger_initialize(struct max77705_charger_data *chg) +{ + u8 reg_data; + struct power_supply_battery_info *info; + struct regmap *regmap = chg->regmap; + + if (power_supply_get_battery_info(chg->psy_chg, &info) < 0) + return; + + chg->bat_info = info; + + /* unlock charger setting protect */ + /* slowest LX slope */ + reg_data = MAX77705_CHGPROT_MASK | MAX77705_SLOWEST_LX_SLOPE; + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_06, reg_data, + reg_data); + + /* fast charge timer disable */ + /* restart threshold disable */ + /* pre-qual charge disable */ + reg_data = (MAX77705_FCHGTIME_DISABLE << MAX77705_FCHGTIME_SHIFT) | + (MAX77705_CHG_RSTRT_DISABLE << MAX77705_CHG_RSTRT_SHIFT) | + (MAX77705_CHG_PQEN_DISABLE << MAX77705_PQEN_SHIFT); + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_01, + (MAX77705_FCHGTIME_MASK | + MAX77705_CHG_RSTRT_MASK | + MAX77705_PQEN_MASK), + reg_data); + + /* OTG off(UNO on), boost off */ + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_00, + MAX77705_OTG_CTRL, 0); + + /* charge current 450mA(default) */ + /* otg current limit 900mA */ + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_02, + MAX77705_OTG_ILIM_MASK, + MAX77705_OTG_ILIM_900 << MAX77705_OTG_ILIM_SHIFT); + + /* BAT to SYS OCP 4.80A */ + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_05, + MAX77705_REG_B2SOVRC_MASK, + MAX77705_B2SOVRC_4_8A << MAX77705_REG_B2SOVRC_SHIFT); + /* top off current 150mA */ + /* top off timer 30min */ + reg_data = (MAX77705_TO_ITH_150MA << MAX77705_TO_ITH_SHIFT) | + (MAX77705_TO_TIME_30M << MAX77705_TO_TIME_SHIFT) | + (MAX77705_SYS_TRACK_DISABLE << MAX77705_SYS_TRACK_DIS_SHIFT); + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_03, + (MAX77705_TO_ITH_MASK | + MAX77705_TO_TIME_MASK | + MAX77705_SYS_TRACK_DIS_MASK), reg_data); + + /* cv voltage 4.2V or 4.35V */ + /* MINVSYS 3.6V(default) */ + if (info->voltage_max_design_uv < 0) { + dev_warn(chg->dev, "missing battery:voltage-max-design-microvolt\n"); + max77705_set_float_voltage(chg, 4200000); + } else { + max77705_set_float_voltage(chg, info->voltage_max_design_uv); + } + + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_12, + MAX77705_VCHGIN_REG_MASK, MAX77705_VCHGIN_4_5); + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_12, + MAX77705_WCIN_REG_MASK, MAX77705_WCIN_4_5); + + /* Watchdog timer */ + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_00, + MAX77705_WDTEN_MASK, 0); + + /* Active Discharge Enable */ + regmap_update_bits(regmap, MAX77705_PMIC_REG_MAINCTRL1, 1, 1); + + /* VBYPSET=5.0V */ + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_11, MAX77705_VBYPSET_MASK, 0); + + /* Switching Frequency : 1.5MHz */ + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_08, MAX77705_REG_FSW_MASK, + (MAX77705_CHG_FSW_1_5MHz << MAX77705_REG_FSW_SHIFT)); + + /* Auto skip mode */ + regmap_update_bits(regmap, MAX77705_CHG_REG_CNFG_12, MAX77705_REG_DISKIP_MASK, + (MAX77705_AUTO_SKIP << MAX77705_REG_DISKIP_SHIFT)); +} + +static int max77705_charger_probe(struct i2c_client *i2c) +{ + struct power_supply_config pscfg = {}; + struct max77705_charger_data *chg; + struct device *dev; + struct regmap_irq_chip_data *irq_data; + int ret; + + dev = &i2c->dev; + + chg = devm_kzalloc(dev, sizeof(*chg), GFP_KERNEL); + if (!chg) + return -ENOMEM; + + chg->dev = dev; + i2c_set_clientdata(i2c, chg); + + chg->regmap = devm_regmap_init_i2c(i2c, &max77705_chg_regmap_config); + if (IS_ERR(chg->regmap)) + return PTR_ERR(chg->regmap); + + ret = regmap_update_bits(chg->regmap, + MAX77705_CHG_REG_INT_MASK, + MAX77705_CHGIN_IM, 0); + if (ret) + return ret; + + pscfg.fwnode = dev_fwnode(dev); + pscfg.drv_data = chg; + + chg->psy_chg = devm_power_supply_register(dev, &max77705_charger_psy_desc, &pscfg); + if (IS_ERR(chg->psy_chg)) + return PTR_ERR(chg->psy_chg); + + max77705_charger_irq_chip.irq_drv_data = chg; + ret = devm_regmap_add_irq_chip(chg->dev, chg->regmap, i2c->irq, + IRQF_ONESHOT | IRQF_SHARED, 0, + &max77705_charger_irq_chip, + &irq_data); + if (ret) + return dev_err_probe(dev, ret, "failed to add irq chip\n"); + + chg->wqueue = create_singlethread_workqueue(dev_name(dev)); + if (!chg->wqueue) + return dev_err_probe(dev, -ENOMEM, "failed to create workqueue\n"); + + ret = devm_work_autocancel(dev, &chg->chgin_work, max77705_chgin_isr_work); + if (ret) { + dev_err_probe(dev, ret, "failed to initialize interrupt work\n"); + goto destroy_wq; + } + + max77705_charger_initialize(chg); + + ret = max77705_charger_enable(chg); + if (ret) { + dev_err_probe(dev, ret, "failed to enable charge\n"); + goto destroy_wq; + } + + return devm_add_action_or_reset(dev, max77705_charger_disable, chg); + +destroy_wq: + destroy_workqueue(chg->wqueue); + return ret; +} + +static const struct of_device_id max77705_charger_of_match[] = { + { .compatible = "maxim,max77705-charger" }, + { } +}; +MODULE_DEVICE_TABLE(of, max77705_charger_of_match); + +static struct i2c_driver max77705_charger_driver = { + .driver = { + .name = "max77705-charger", + .of_match_table = max77705_charger_of_match, + }, + .probe = max77705_charger_probe, +}; +module_i2c_driver(max77705_charger_driver); + +MODULE_AUTHOR("Dzmitry Sankouski <dsankouski@gmail.com>"); +MODULE_DESCRIPTION("Maxim MAX77705 charger driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/power/supply/max8903_charger.c b/drivers/power/supply/max8903_charger.c index e65d0141f260..45fbaad6c647 100644 --- a/drivers/power/supply/max8903_charger.c +++ b/drivers/power/supply/max8903_charger.c @@ -349,7 +349,7 @@ static int max8903_probe(struct platform_device *pdev) data->psy_desc.properties = max8903_charger_props; data->psy_desc.num_properties = ARRAY_SIZE(max8903_charger_props); - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); psy_cfg.drv_data = data; data->psy = devm_power_supply_register(dev, &data->psy_desc, &psy_cfg); diff --git a/drivers/power/supply/max8971_charger.c b/drivers/power/supply/max8971_charger.c new file mode 100644 index 000000000000..26416d26f235 --- /dev/null +++ b/drivers/power/supply/max8971_charger.c @@ -0,0 +1,752 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <linux/devm-helpers.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/extcon.h> +#include <linux/i2c.h> +#include <linux/mod_devicetable.h> +#include <linux/of_graph.h> +#include <linux/property.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/pm.h> +#include <linux/power_supply.h> +#include <linux/regmap.h> +#include <linux/sysfs.h> +#include <linux/types.h> + +#define MAX8971_REG_CHGINT 0x0f +#define MAX8971_REG_CHG_RST BIT(0) +#define MAX8971_REG_CHGINT_MASK 0x01 +#define MAX8971_AICL_MASK BIT(7) +#define MAX8971_REG_CHG_STAT 0x02 +#define MAX8971_CHG_MASK BIT(3) +#define MAX8971_REG_DETAILS1 0x03 +#define MAX8971_REG_DETAILS2 0x04 +#define MAX8971_REG_CHGCNTL1 0x05 +#define MAX8971_REG_FCHGCRNT 0x06 +#define MAX8971_REG_DCCRNT 0x07 +#define MAX8971_CHGRSTRT_MASK BIT(6) +#define MAX8971_REG_TOPOFF 0x08 +#define MAX8971_REG_TEMPREG 0x09 +#define MAX8971_REG_PROTCMD 0x0a +#define MAX8971_CHGPROT_LOCKED 0x00 +#define MAX8971_CHGPROT_UNLOCKED 0x03 + +#define MAX8971_FCHGT_DEFAULT 2 +#define MAX8971_TOPOFFT_DEFAULT 3 + +static const char *max8971_manufacturer = "Maxim Integrated"; +static const char *max8971_model = "MAX8971"; + +enum max8971_charging_state { + MAX8971_CHARGING_DEAD_BATTERY, + MAX8971_CHARGING_PREQUALIFICATION, + MAX8971_CHARGING_FAST_CONST_CURRENT, + MAX8971_CHARGING_FAST_CONST_VOLTAGE, + MAX8971_CHARGING_TOP_OFF, + MAX8971_CHARGING_DONE, + MAX8971_CHARGING_TIMER_FAULT, + MAX8971_CHARGING_SUSPENDED_THERMAL, + MAX8971_CHARGING_OFF, + MAX8971_CHARGING_THERMAL_LOOP, +}; + +enum max8971_health_state { + MAX8971_HEALTH_UNKNOWN, + MAX8971_HEALTH_COLD, + MAX8971_HEALTH_COOL, + MAX8971_HEALTH_WARM, + MAX8971_HEALTH_HOT, + MAX8971_HEALTH_OVERHEAT, +}; + +/* Fast-Charge current limit, 250..1550 mA, 50 mA steps */ +#define MAX8971_CHG_CC_STEP 50000U +#define MAX8971_CHG_CC_MIN 250000U +#define MAX8971_CHG_CC_MAX 1550000U + +/* Input current limit, 250..1500 mA, 25 mA steps */ +#define MAX8971_DCILMT_STEP 25000U +#define MAX8971_DCILMT_MIN 250000U +#define MAX8971_DCILMT_MAX 1500000U + +enum max8971_field_idx { + THM_DTLS, /* DETAILS1 */ + BAT_DTLS, CHG_DTLS, /* DETAILS2 */ + CHG_CC, FCHG_T, /* FCHGCRNT */ + DCI_LMT, /* DCCRNT */ + TOPOFF_T, TOPOFF_S, /* TOPOFF */ + CPROT, /* PROTCMD */ + MAX8971_N_REGMAP_FIELDS +}; + +static const struct reg_field max8971_reg_field[MAX8971_N_REGMAP_FIELDS] = { + [THM_DTLS] = REG_FIELD(MAX8971_REG_DETAILS1, 0, 2), + [BAT_DTLS] = REG_FIELD(MAX8971_REG_DETAILS2, 4, 5), + [CHG_DTLS] = REG_FIELD(MAX8971_REG_DETAILS2, 0, 3), + [CHG_CC] = REG_FIELD(MAX8971_REG_FCHGCRNT, 0, 4), + [FCHG_T] = REG_FIELD(MAX8971_REG_FCHGCRNT, 5, 7), + [DCI_LMT] = REG_FIELD(MAX8971_REG_DCCRNT, 0, 5), + [TOPOFF_T] = REG_FIELD(MAX8971_REG_TOPOFF, 5, 7), + [TOPOFF_S] = REG_FIELD(MAX8971_REG_TOPOFF, 2, 3), + [CPROT] = REG_FIELD(MAX8971_REG_PROTCMD, 2, 3), +}; + +static const struct regmap_config max8971_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = MAX8971_REG_CHGINT, +}; + +struct max8971_data { + struct device *dev; + struct power_supply *psy_mains; + + struct extcon_dev *edev; + struct notifier_block extcon_nb; + struct delayed_work extcon_work; + + struct regmap *regmap; + struct regmap_field *rfield[MAX8971_N_REGMAP_FIELDS]; + + enum power_supply_usb_type usb_type; + + u32 fchgt; + u32 tofft; + u32 toffs; + + bool present; +}; + +static int max8971_get_status(struct max8971_data *priv, int *val) +{ + u32 regval; + int err; + + err = regmap_field_read(priv->rfield[CHG_DTLS], ®val); + if (err) + return err; + + switch (regval) { + case MAX8971_CHARGING_DEAD_BATTERY: + case MAX8971_CHARGING_PREQUALIFICATION: + case MAX8971_CHARGING_FAST_CONST_CURRENT: + case MAX8971_CHARGING_FAST_CONST_VOLTAGE: + case MAX8971_CHARGING_TOP_OFF: + case MAX8971_CHARGING_THERMAL_LOOP: + *val = POWER_SUPPLY_STATUS_CHARGING; + break; + case MAX8971_CHARGING_DONE: + *val = POWER_SUPPLY_STATUS_FULL; + break; + case MAX8971_CHARGING_TIMER_FAULT: + *val = POWER_SUPPLY_STATUS_NOT_CHARGING; + break; + case MAX8971_CHARGING_OFF: + case MAX8971_CHARGING_SUSPENDED_THERMAL: + *val = POWER_SUPPLY_STATUS_DISCHARGING; + break; + default: + *val = POWER_SUPPLY_STATUS_UNKNOWN; + } + + return 0; +} + +static int max8971_get_charge_type(struct max8971_data *priv, int *val) +{ + u32 regval; + int err; + + err = regmap_field_read(priv->rfield[CHG_DTLS], ®val); + if (err) + return err; + + switch (regval) { + case MAX8971_CHARGING_DEAD_BATTERY: + case MAX8971_CHARGING_PREQUALIFICATION: + *val = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; + break; + case MAX8971_CHARGING_FAST_CONST_CURRENT: + case MAX8971_CHARGING_FAST_CONST_VOLTAGE: + *val = POWER_SUPPLY_CHARGE_TYPE_FAST; + break; + case MAX8971_CHARGING_TOP_OFF: + case MAX8971_CHARGING_THERMAL_LOOP: + *val = POWER_SUPPLY_CHARGE_TYPE_STANDARD; + break; + case MAX8971_CHARGING_DONE: + case MAX8971_CHARGING_TIMER_FAULT: + case MAX8971_CHARGING_SUSPENDED_THERMAL: + case MAX8971_CHARGING_OFF: + *val = POWER_SUPPLY_CHARGE_TYPE_NONE; + break; + default: + *val = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; + } + + return 0; +} + +static int max8971_get_health(struct max8971_data *priv, int *val) +{ + u32 regval; + int err; + + err = regmap_field_read(priv->rfield[THM_DTLS], ®val); + if (err) + return err; + + switch (regval) { + case MAX8971_HEALTH_COLD: + *val = POWER_SUPPLY_HEALTH_COLD; + break; + case MAX8971_HEALTH_COOL: + *val = POWER_SUPPLY_HEALTH_COOL; + break; + case MAX8971_HEALTH_WARM: + *val = POWER_SUPPLY_HEALTH_GOOD; + break; + case MAX8971_HEALTH_HOT: + *val = POWER_SUPPLY_HEALTH_HOT; + break; + case MAX8971_HEALTH_OVERHEAT: + *val = POWER_SUPPLY_HEALTH_OVERHEAT; + break; + case MAX8971_HEALTH_UNKNOWN: + default: + *val = POWER_SUPPLY_HEALTH_UNKNOWN; + } + + return 0; +} + +static int max8971_get_online(struct max8971_data *priv, int *val) +{ + u32 regval; + int err; + + err = regmap_read(priv->regmap, MAX8971_REG_CHG_STAT, ®val); + if (err) + return err; + + if (priv->present) + /* CHG_OK bit is 0 when charger is online */ + *val = !(regval & MAX8971_CHG_MASK); + else + *val = priv->present; + + return 0; +} + +static int max8971_get_integer(struct max8971_data *priv, enum max8971_field_idx fidx, + u32 clamp_min, u32 clamp_max, u32 mult, int *val) +{ + u32 regval; + int err; + + err = regmap_field_read(priv->rfield[fidx], ®val); + if (err) + return err; + + *val = clamp_val(regval * mult, clamp_min, clamp_max); + + return 0; +} + +static int max8971_set_integer(struct max8971_data *priv, enum max8971_field_idx fidx, + u32 clamp_min, u32 clamp_max, u32 div, int val) +{ + u32 regval; + + regval = clamp_val(val, clamp_min, clamp_max) / div; + + return regmap_field_write(priv->rfield[fidx], regval); +} + +static int max8971_get_property(struct power_supply *psy, enum power_supply_property psp, + union power_supply_propval *val) +{ + struct max8971_data *priv = power_supply_get_drvdata(psy); + int err = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + err = max8971_get_status(priv, &val->intval); + break; + case POWER_SUPPLY_PROP_CHARGE_TYPE: + err = max8971_get_charge_type(priv, &val->intval); + break; + case POWER_SUPPLY_PROP_USB_TYPE: + val->intval = priv->usb_type; + break; + case POWER_SUPPLY_PROP_HEALTH: + err = max8971_get_health(priv, &val->intval); + break; + case POWER_SUPPLY_PROP_ONLINE: + err = max8971_get_online(priv, &val->intval); + break; + case POWER_SUPPLY_PROP_PRESENT: + val->intval = priv->present; + break; + case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX: + val->intval = MAX8971_CHG_CC_MAX; + break; + case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT: + err = max8971_get_integer(priv, CHG_CC, MAX8971_CHG_CC_MIN, MAX8971_CHG_CC_MAX, + MAX8971_CHG_CC_STEP, &val->intval); + break; + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + err = max8971_get_integer(priv, DCI_LMT, MAX8971_DCILMT_MIN, MAX8971_DCILMT_MAX, + MAX8971_DCILMT_STEP, &val->intval); + break; + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = max8971_model; + break; + case POWER_SUPPLY_PROP_MANUFACTURER: + val->strval = max8971_manufacturer; + break; + default: + err = -EINVAL; + } + + return err; +} + +static int max8971_set_property(struct power_supply *psy, enum power_supply_property psp, + const union power_supply_propval *val) +{ + struct max8971_data *priv = power_supply_get_drvdata(psy); + int err = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT: + err = max8971_set_integer(priv, CHG_CC, MAX8971_CHG_CC_MIN, MAX8971_CHG_CC_MAX, + MAX8971_CHG_CC_STEP, val->intval); + break; + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + err = max8971_set_integer(priv, DCI_LMT, MAX8971_DCILMT_MIN, MAX8971_DCILMT_MAX, + MAX8971_DCILMT_STEP, val->intval); + break; + default: + err = -EINVAL; + } + + return err; +}; + +static int max8971_property_is_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + switch (psp) { + case POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT: + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + return true; + default: + return false; + } +} + +static enum power_supply_property max8971_properties[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_USB_TYPE, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT, + POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_MANUFACTURER, +}; + +static const struct power_supply_desc max8971_charger_desc = { + .name = "max8971-charger", + .type = POWER_SUPPLY_TYPE_USB, + .usb_types = BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN) | + BIT(POWER_SUPPLY_USB_TYPE_SDP) | + BIT(POWER_SUPPLY_USB_TYPE_DCP) | + BIT(POWER_SUPPLY_USB_TYPE_CDP) | + BIT(POWER_SUPPLY_USB_TYPE_ACA), + .properties = max8971_properties, + .num_properties = ARRAY_SIZE(max8971_properties), + .get_property = max8971_get_property, + .set_property = max8971_set_property, + .property_is_writeable = max8971_property_is_writeable, +}; + +static void max8971_update_config(struct max8971_data *priv) +{ + regmap_field_write(priv->rfield[CPROT], MAX8971_CHGPROT_UNLOCKED); + + if (priv->fchgt != MAX8971_FCHGT_DEFAULT) + regmap_field_write(priv->rfield[FCHG_T], priv->fchgt); + + regmap_write_bits(priv->regmap, MAX8971_REG_DCCRNT, MAX8971_CHGRSTRT_MASK, + MAX8971_CHGRSTRT_MASK); + + if (priv->tofft != MAX8971_TOPOFFT_DEFAULT) + regmap_field_write(priv->rfield[TOPOFF_T], priv->tofft); + + if (priv->toffs) + regmap_field_write(priv->rfield[TOPOFF_S], priv->toffs); + + regmap_field_write(priv->rfield[CPROT], MAX8971_CHGPROT_LOCKED); +} + +static ssize_t fast_charge_timer_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct power_supply *psy = to_power_supply(dev); + struct max8971_data *priv = power_supply_get_drvdata(psy); + u32 regval; + int err; + + err = regmap_field_read(priv->rfield[FCHG_T], ®val); + if (err) + return err; + + switch (regval) { + case 0x1 ... 0x7: + /* Time is off by 3 hours comparing to value */ + regval += 3; + break; + case 0x0: + default: + regval = 0; + break; + } + + return sysfs_emit(buf, "%u\n", regval); +} + +static ssize_t fast_charge_timer_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct power_supply *psy = to_power_supply(dev); + struct max8971_data *priv = power_supply_get_drvdata(psy); + unsigned long hours; + int val, err; + + err = kstrtoul(buf, 10, &hours); + if (err) + return err; + + val = hours - 3; + if (val <= 0 || val > 7) + priv->fchgt = 0; + else + priv->fchgt = val; + + max8971_update_config(priv); + + return count; +} + +static ssize_t top_off_threshold_current_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct power_supply *psy = to_power_supply(dev); + struct max8971_data *priv = power_supply_get_drvdata(psy); + u32 regval, val; + int err; + + err = regmap_field_read(priv->rfield[TOPOFF_S], ®val); + if (err) + return err; + + /* 50uA start with 50uA step */ + val = regval * 50 + 50; + val *= 1000; + + return sysfs_emit(buf, "%u\n", val); +} + +static ssize_t top_off_threshold_current_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct power_supply *psy = to_power_supply(dev); + struct max8971_data *priv = power_supply_get_drvdata(psy); + unsigned long uamp; + int err; + + err = kstrtoul(buf, 10, &uamp); + if (err) + return err; + + if (uamp < 50000 || uamp > 200000) + return -EINVAL; + + priv->toffs = uamp / 50000 - 1; + + max8971_update_config(priv); + + return count; +} + +static ssize_t top_off_timer_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct power_supply *psy = to_power_supply(dev); + struct max8971_data *priv = power_supply_get_drvdata(psy); + u32 regval; + int err; + + err = regmap_field_read(priv->rfield[TOPOFF_T], ®val); + if (err) + return err; + + /* 10 min intervals */ + regval *= 10; + + return sysfs_emit(buf, "%u\n", regval); +} + +static ssize_t top_off_timer_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct power_supply *psy = to_power_supply(dev); + struct max8971_data *priv = power_supply_get_drvdata(psy); + unsigned long minutes; + int err; + + err = kstrtoul(buf, 10, &minutes); + if (err) + return err; + + if (minutes > 70) + return -EINVAL; + + priv->tofft = minutes / 10; + + max8971_update_config(priv); + + return count; +} + +static DEVICE_ATTR_RW(fast_charge_timer); +static DEVICE_ATTR_RW(top_off_threshold_current); +static DEVICE_ATTR_RW(top_off_timer); + +static struct attribute *max8971_attrs[] = { + &dev_attr_fast_charge_timer.attr, + &dev_attr_top_off_threshold_current.attr, + &dev_attr_top_off_timer.attr, + NULL +}; +ATTRIBUTE_GROUPS(max8971); + +static void max8971_extcon_evt_worker(struct work_struct *work) +{ + struct max8971_data *priv = + container_of(work, struct max8971_data, extcon_work.work); + struct device *dev = priv->dev; + struct extcon_dev *edev = priv->edev; + u32 chgcc, dcilmt; + + if (extcon_get_state(edev, EXTCON_CHG_USB_SDP) > 0) { + dev_dbg(dev, "USB SDP charger is connected\n"); + priv->usb_type = POWER_SUPPLY_USB_TYPE_SDP; + chgcc = 500000; + dcilmt = 500000; + } else if (extcon_get_state(edev, EXTCON_USB) > 0) { + dev_dbg(dev, "USB charger is connected\n"); + priv->usb_type = POWER_SUPPLY_USB_TYPE_SDP; + chgcc = 500000; + dcilmt = 500000; + } else if (extcon_get_state(edev, EXTCON_DISP_MHL) > 0) { + dev_dbg(dev, "MHL plug is connected\n"); + priv->usb_type = POWER_SUPPLY_USB_TYPE_SDP; + chgcc = 500000; + dcilmt = 500000; + } else if (extcon_get_state(edev, EXTCON_CHG_USB_DCP) > 0) { + dev_dbg(dev, "USB DCP charger is connected\n"); + priv->usb_type = POWER_SUPPLY_USB_TYPE_DCP; + chgcc = 900000; + dcilmt = 1200000; + } else if (extcon_get_state(edev, EXTCON_CHG_USB_FAST) > 0) { + dev_dbg(dev, "USB FAST charger is connected\n"); + priv->usb_type = POWER_SUPPLY_USB_TYPE_ACA; + chgcc = 900000; + dcilmt = 1200000; + } else if (extcon_get_state(edev, EXTCON_CHG_USB_SLOW) > 0) { + dev_dbg(dev, "USB SLOW charger is connected\n"); + priv->usb_type = POWER_SUPPLY_USB_TYPE_ACA; + chgcc = 900000; + dcilmt = 1200000; + } else if (extcon_get_state(edev, EXTCON_CHG_USB_CDP) > 0) { + dev_dbg(dev, "USB CDP charger is connected\n"); + priv->usb_type = POWER_SUPPLY_USB_TYPE_CDP; + chgcc = 900000; + dcilmt = 1200000; + } else { + dev_dbg(dev, "USB state is unknown\n"); + priv->usb_type = POWER_SUPPLY_USB_TYPE_UNKNOWN; + return; + } + + regmap_field_write(priv->rfield[CPROT], MAX8971_CHGPROT_UNLOCKED); + + max8971_set_integer(priv, CHG_CC, MAX8971_CHG_CC_MIN, MAX8971_CHG_CC_MAX, + MAX8971_CHG_CC_STEP, chgcc); + max8971_set_integer(priv, DCI_LMT, MAX8971_DCILMT_MIN, MAX8971_DCILMT_MAX, + MAX8971_DCILMT_STEP, dcilmt); + + regmap_field_write(priv->rfield[CPROT], MAX8971_CHGPROT_LOCKED); +} + +static int extcon_get_charger_type(struct notifier_block *nb, + unsigned long state, void *data) +{ + struct max8971_data *priv = + container_of(nb, struct max8971_data, extcon_nb); + schedule_delayed_work(&priv->extcon_work, 0); + + return NOTIFY_OK; +} + +static irqreturn_t max8971_interrupt(int irq, void *dev_id) +{ + struct max8971_data *priv = dev_id; + struct device *dev = priv->dev; + int err, state; + + err = regmap_read(priv->regmap, MAX8971_REG_CHGINT, &state); + if (err) + dev_err(dev, "interrupt reg read failed %d\n", err); + + err = regmap_write_bits(priv->regmap, MAX8971_REG_CHGINT_MASK, + MAX8971_AICL_MASK, MAX8971_AICL_MASK); + if (err) + dev_err(dev, "failed to mask IRQ\n"); + + /* set presence prop */ + priv->present = state & MAX8971_REG_CHG_RST; + + /* on every plug chip resets to default */ + if (priv->present) + max8971_update_config(priv); + + /* update supply status */ + power_supply_changed(priv->psy_mains); + + return IRQ_HANDLED; +} + +static int max8971_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + struct max8971_data *priv; + struct device_node *extcon; + struct power_supply_config cfg = { }; + int err, i; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->dev = dev; + priv->usb_type = POWER_SUPPLY_USB_TYPE_UNKNOWN; + + i2c_set_clientdata(client, priv); + + priv->regmap = devm_regmap_init_i2c(client, &max8971_regmap_config); + if (IS_ERR(priv->regmap)) + return dev_err_probe(dev, PTR_ERR(priv->regmap), "cannot allocate regmap\n"); + + for (i = 0; i < MAX8971_N_REGMAP_FIELDS; i++) { + priv->rfield[i] = devm_regmap_field_alloc(dev, priv->regmap, max8971_reg_field[i]); + if (IS_ERR(priv->rfield[i])) + return dev_err_probe(dev, PTR_ERR(priv->rfield[i]), + "cannot allocate regmap field\n"); + } + + cfg.attr_grp = max8971_groups; + cfg.drv_data = priv; + cfg.fwnode = dev_fwnode(dev); + + priv->psy_mains = devm_power_supply_register(dev, &max8971_charger_desc, &cfg); + if (IS_ERR(priv->psy_mains)) + return dev_err_probe(dev, PTR_ERR(priv->psy_mains), + "failed to register mains supply\n"); + + err = regmap_write_bits(priv->regmap, MAX8971_REG_CHGINT_MASK, MAX8971_AICL_MASK, + MAX8971_AICL_MASK); + if (err) + return dev_err_probe(dev, err, "failed to mask IRQ\n"); + + err = devm_request_threaded_irq(dev, client->irq, NULL, &max8971_interrupt, + IRQF_ONESHOT | IRQF_SHARED, client->name, priv); + if (err) + return dev_err_probe(dev, err, "failed to register IRQ %d\n", client->irq); + + extcon = of_graph_get_remote_node(dev->of_node, -1, -1); + if (!extcon) + return 0; + + priv->edev = extcon_find_edev_by_node(extcon); + of_node_put(extcon); + if (IS_ERR(priv->edev)) + return dev_err_probe(dev, PTR_ERR(priv->edev), "failed to find extcon\n"); + + err = devm_delayed_work_autocancel(dev, &priv->extcon_work, + max8971_extcon_evt_worker); + if (err) + return dev_err_probe(dev, err, "failed to add extcon evt stop action\n"); + + priv->extcon_nb.notifier_call = extcon_get_charger_type; + + err = devm_extcon_register_notifier_all(dev, priv->edev, &priv->extcon_nb); + if (err) + return dev_err_probe(dev, err, "failed to register notifier\n"); + + /* Initial configuration work with 1 sec delay */ + schedule_delayed_work(&priv->extcon_work, msecs_to_jiffies(1000)); + + return 0; +} + +static int __maybe_unused max8971_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct max8971_data *priv = i2c_get_clientdata(client); + + irq_wake_thread(client->irq, priv); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(max8971_pm_ops, NULL, max8971_resume); + +static const struct of_device_id max8971_match_ids[] = { + { .compatible = "maxim,max8971" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, max8971_match_ids); + +static const struct i2c_device_id max8971_i2c_id[] = { + { "max8971" }, + { } +}; +MODULE_DEVICE_TABLE(i2c, max8971_i2c_id); + +static struct i2c_driver max8971_driver = { + .driver = { + .name = "max8971-charger", + .of_match_table = max8971_match_ids, + .pm = &max8971_pm_ops, + }, + .probe = max8971_probe, + .id_table = max8971_i2c_id, +}; +module_i2c_driver(max8971_driver); + +MODULE_AUTHOR("Svyatoslav Ryhel <clamor95@gmail.com>"); +MODULE_DESCRIPTION("MAX8971 Charger Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/power/supply/mm8013.c b/drivers/power/supply/mm8013.c index 4adf2acc2779..93c50cff31bc 100644 --- a/drivers/power/supply/mm8013.c +++ b/drivers/power/supply/mm8013.c @@ -274,7 +274,7 @@ static int mm8013_probe(struct i2c_client *client) return dev_err_probe(dev, ret, "MM8013 not found\n"); psy_cfg.drv_data = chip; - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); psy = devm_power_supply_register(dev, &mm8013_desc, &psy_cfg); if (IS_ERR(psy)) diff --git a/drivers/power/supply/mt6360_charger.c b/drivers/power/supply/mt6360_charger.c index e99e55148976..77747eb51667 100644 --- a/drivers/power/supply/mt6360_charger.c +++ b/drivers/power/supply/mt6360_charger.c @@ -810,7 +810,7 @@ static int mt6360_charger_probe(struct platform_device *pdev) 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; + charger_cfg.fwnode = dev_fwnode(&pdev->dev); mci->psy = devm_power_supply_register(&pdev->dev, &mci->psy_desc, &charger_cfg); if (IS_ERR(mci->psy)) diff --git a/drivers/power/supply/mt6370-charger.c b/drivers/power/supply/mt6370-charger.c index ad8793bf997e..98579998b300 100644 --- a/drivers/power/supply/mt6370-charger.c +++ b/drivers/power/supply/mt6370-charger.c @@ -752,7 +752,7 @@ static int mt6370_chg_init_psy(struct mt6370_priv *priv) { struct power_supply_config cfg = { .drv_data = priv, - .of_node = dev_of_node(priv->dev), + .fwnode = dev_fwnode(priv->dev), }; priv->psy = devm_power_supply_register(priv->dev, &mt6370_chg_psy_desc, @@ -772,7 +772,6 @@ static void mt6370_chg_destroy_wq(void *data) { struct workqueue_struct *wq = data; - flush_workqueue(wq); destroy_workqueue(wq); } diff --git a/drivers/power/supply/olpc_battery.c b/drivers/power/supply/olpc_battery.c index 849f63e89ba0..b9b607822676 100644 --- a/drivers/power/supply/olpc_battery.c +++ b/drivers/power/supply/olpc_battery.c @@ -674,7 +674,7 @@ static int olpc_battery_probe(struct platform_device *pdev) /* Ignore the status. It doesn't actually matter */ - ac_psy_cfg.of_node = pdev->dev.of_node; + ac_psy_cfg.fwnode = dev_fwnode(&pdev->dev); ac_psy_cfg.drv_data = data; data->olpc_ac = devm_power_supply_register(&pdev->dev, &olpc_ac_desc, @@ -692,7 +692,7 @@ static int olpc_battery_probe(struct platform_device *pdev) olpc_bat_desc.num_properties = ARRAY_SIZE(olpc_xo1_bat_props); } - bat_psy_cfg.of_node = pdev->dev.of_node; + bat_psy_cfg.fwnode = dev_fwnode(&pdev->dev); bat_psy_cfg.drv_data = data; bat_psy_cfg.attr_grp = olpc_bat_sysfs_groups; diff --git a/drivers/power/supply/pcf50633-charger.c b/drivers/power/supply/pcf50633-charger.c deleted file mode 100644 index 0136bc87b105..000000000000 --- a/drivers/power/supply/pcf50633-charger.c +++ /dev/null @@ -1,466 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* NXP PCF50633 Main Battery Charger Driver - * - * (C) 2006-2008 by Openmoko, Inc. - * Author: Balaji Rao <balajirrao@openmoko.org> - * All rights reserved. - * - * Broken down from monstrous PCF50633 driver mainly by - * Harald Welte, Andy Green and Werner Almesberger - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/device.h> -#include <linux/sysfs.h> -#include <linux/platform_device.h> -#include <linux/power_supply.h> - -#include <linux/mfd/pcf50633/core.h> -#include <linux/mfd/pcf50633/mbc.h> - -struct pcf50633_mbc { - struct pcf50633 *pcf; - - int adapter_online; - int usb_online; - - struct power_supply *usb; - struct power_supply *adapter; - struct power_supply *ac; -}; - -int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma) -{ - struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev); - int ret = 0; - u8 bits; - u8 mbcs2, chgmod; - unsigned int mbcc5; - - if (ma >= 1000) { - bits = PCF50633_MBCC7_USB_1000mA; - ma = 1000; - } else if (ma >= 500) { - bits = PCF50633_MBCC7_USB_500mA; - ma = 500; - } else if (ma >= 100) { - bits = PCF50633_MBCC7_USB_100mA; - ma = 100; - } else { - bits = PCF50633_MBCC7_USB_SUSPEND; - ma = 0; - } - - ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7, - PCF50633_MBCC7_USB_MASK, bits); - if (ret) - dev_err(pcf->dev, "error setting usb curlim to %d mA\n", ma); - else - dev_info(pcf->dev, "usb curlim to %d mA\n", ma); - - /* - * We limit the charging current to be the USB current limit. - * The reason is that on pcf50633, when it enters PMU Standby mode, - * which it does when the device goes "off", the USB current limit - * reverts to the variant default. In at least one common case, that - * default is 500mA. By setting the charging current to be the same - * as the USB limit we set here before PMU standby, we enforce it only - * using the correct amount of current even when the USB current limit - * gets reset to the wrong thing - */ - - if (mbc->pcf->pdata->charger_reference_current_ma) { - mbcc5 = (ma << 8) / mbc->pcf->pdata->charger_reference_current_ma; - if (mbcc5 > 255) - mbcc5 = 255; - pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5); - } - - mbcs2 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2); - chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK); - - /* If chgmod == BATFULL, setting chgena has no effect. - * Datasheet says we need to set resume instead but when autoresume is - * used resume doesn't work. Clear and set chgena instead. - */ - if (chgmod != PCF50633_MBCS2_MBC_BAT_FULL) - pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC1, - PCF50633_MBCC1_CHGENA, PCF50633_MBCC1_CHGENA); - else { - pcf50633_reg_clear_bits(pcf, PCF50633_REG_MBCC1, - PCF50633_MBCC1_CHGENA); - pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC1, - PCF50633_MBCC1_CHGENA, PCF50633_MBCC1_CHGENA); - } - - power_supply_changed(mbc->usb); - - return ret; -} -EXPORT_SYMBOL_GPL(pcf50633_mbc_usb_curlim_set); - -int pcf50633_mbc_get_status(struct pcf50633 *pcf) -{ - struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev); - int status = 0; - u8 chgmod; - - if (!mbc) - return 0; - - chgmod = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2) - & PCF50633_MBCS2_MBC_MASK; - - if (mbc->usb_online) - status |= PCF50633_MBC_USB_ONLINE; - if (chgmod == PCF50633_MBCS2_MBC_USB_PRE || - chgmod == PCF50633_MBCS2_MBC_USB_PRE_WAIT || - chgmod == PCF50633_MBCS2_MBC_USB_FAST || - chgmod == PCF50633_MBCS2_MBC_USB_FAST_WAIT) - status |= PCF50633_MBC_USB_ACTIVE; - if (mbc->adapter_online) - status |= PCF50633_MBC_ADAPTER_ONLINE; - if (chgmod == PCF50633_MBCS2_MBC_ADP_PRE || - chgmod == PCF50633_MBCS2_MBC_ADP_PRE_WAIT || - chgmod == PCF50633_MBCS2_MBC_ADP_FAST || - chgmod == PCF50633_MBCS2_MBC_ADP_FAST_WAIT) - status |= PCF50633_MBC_ADAPTER_ACTIVE; - - return status; -} -EXPORT_SYMBOL_GPL(pcf50633_mbc_get_status); - -int pcf50633_mbc_get_usb_online_status(struct pcf50633 *pcf) -{ - struct pcf50633_mbc *mbc = platform_get_drvdata(pcf->mbc_pdev); - - if (!mbc) - return 0; - - return mbc->usb_online; -} -EXPORT_SYMBOL_GPL(pcf50633_mbc_get_usb_online_status); - -static ssize_t -show_chgmode(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct pcf50633_mbc *mbc = dev_get_drvdata(dev); - - u8 mbcs2 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS2); - u8 chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK); - - return sysfs_emit(buf, "%d\n", chgmod); -} -static DEVICE_ATTR(chgmode, S_IRUGO, show_chgmode, NULL); - -static ssize_t -show_usblim(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct pcf50633_mbc *mbc = dev_get_drvdata(dev); - u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) & - PCF50633_MBCC7_USB_MASK; - unsigned int ma; - - if (usblim == PCF50633_MBCC7_USB_1000mA) - ma = 1000; - else if (usblim == PCF50633_MBCC7_USB_500mA) - ma = 500; - else if (usblim == PCF50633_MBCC7_USB_100mA) - ma = 100; - else - ma = 0; - - return sysfs_emit(buf, "%u\n", ma); -} - -static ssize_t set_usblim(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct pcf50633_mbc *mbc = dev_get_drvdata(dev); - unsigned long ma; - int ret; - - ret = kstrtoul(buf, 10, &ma); - if (ret) - return ret; - - pcf50633_mbc_usb_curlim_set(mbc->pcf, ma); - - return count; -} - -static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, set_usblim); - -static ssize_t -show_chglim(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct pcf50633_mbc *mbc = dev_get_drvdata(dev); - u8 mbcc5 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC5); - unsigned int ma; - - if (!mbc->pcf->pdata->charger_reference_current_ma) - return -ENODEV; - - ma = (mbc->pcf->pdata->charger_reference_current_ma * mbcc5) >> 8; - - return sysfs_emit(buf, "%u\n", ma); -} - -static ssize_t set_chglim(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct pcf50633_mbc *mbc = dev_get_drvdata(dev); - unsigned long ma; - unsigned int mbcc5; - int ret; - - if (!mbc->pcf->pdata->charger_reference_current_ma) - return -ENODEV; - - ret = kstrtoul(buf, 10, &ma); - if (ret) - return ret; - - mbcc5 = (ma << 8) / mbc->pcf->pdata->charger_reference_current_ma; - if (mbcc5 > 255) - mbcc5 = 255; - pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5); - - return count; -} - -/* - * This attribute allows to change MBC charging limit on the fly - * independently of usb current limit. It also gets set automatically every - * time usb current limit is changed. - */ -static DEVICE_ATTR(chg_curlim, S_IRUGO | S_IWUSR, show_chglim, set_chglim); - -static struct attribute *pcf50633_mbc_sysfs_attrs[] = { - &dev_attr_chgmode.attr, - &dev_attr_usb_curlim.attr, - &dev_attr_chg_curlim.attr, - NULL, -}; - -ATTRIBUTE_GROUPS(pcf50633_mbc_sysfs); - -static void -pcf50633_mbc_irq_handler(int irq, void *data) -{ - struct pcf50633_mbc *mbc = data; - - /* USB */ - if (irq == PCF50633_IRQ_USBINS) { - mbc->usb_online = 1; - } else if (irq == PCF50633_IRQ_USBREM) { - mbc->usb_online = 0; - pcf50633_mbc_usb_curlim_set(mbc->pcf, 0); - } - - /* Adapter */ - if (irq == PCF50633_IRQ_ADPINS) - mbc->adapter_online = 1; - else if (irq == PCF50633_IRQ_ADPREM) - mbc->adapter_online = 0; - - power_supply_changed(mbc->ac); - power_supply_changed(mbc->usb); - power_supply_changed(mbc->adapter); - - if (mbc->pcf->pdata->mbc_event_callback) - mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq); -} - -static int adapter_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy); - int ret = 0; - - switch (psp) { - case POWER_SUPPLY_PROP_ONLINE: - val->intval = mbc->adapter_online; - break; - default: - ret = -EINVAL; - break; - } - return ret; -} - -static int usb_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy); - int ret = 0; - u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) & - PCF50633_MBCC7_USB_MASK; - - switch (psp) { - case POWER_SUPPLY_PROP_ONLINE: - val->intval = mbc->usb_online && - (usblim <= PCF50633_MBCC7_USB_500mA); - break; - default: - ret = -EINVAL; - break; - } - return ret; -} - -static int ac_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - struct pcf50633_mbc *mbc = power_supply_get_drvdata(psy); - int ret = 0; - u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) & - PCF50633_MBCC7_USB_MASK; - - switch (psp) { - case POWER_SUPPLY_PROP_ONLINE: - val->intval = mbc->usb_online && - (usblim == PCF50633_MBCC7_USB_1000mA); - break; - default: - ret = -EINVAL; - break; - } - return ret; -} - -static enum power_supply_property power_props[] = { - POWER_SUPPLY_PROP_ONLINE, -}; - -static const u8 mbc_irq_handlers[] = { - PCF50633_IRQ_ADPINS, - PCF50633_IRQ_ADPREM, - PCF50633_IRQ_USBINS, - PCF50633_IRQ_USBREM, - PCF50633_IRQ_BATFULL, - PCF50633_IRQ_CHGHALT, - PCF50633_IRQ_THLIMON, - PCF50633_IRQ_THLIMOFF, - PCF50633_IRQ_USBLIMON, - PCF50633_IRQ_USBLIMOFF, - PCF50633_IRQ_LOWSYS, - PCF50633_IRQ_LOWBAT, -}; - -static const struct power_supply_desc pcf50633_mbc_adapter_desc = { - .name = "adapter", - .type = POWER_SUPPLY_TYPE_MAINS, - .properties = power_props, - .num_properties = ARRAY_SIZE(power_props), - .get_property = &adapter_get_property, -}; - -static const struct power_supply_desc pcf50633_mbc_usb_desc = { - .name = "usb", - .type = POWER_SUPPLY_TYPE_USB, - .properties = power_props, - .num_properties = ARRAY_SIZE(power_props), - .get_property = usb_get_property, -}; - -static const struct power_supply_desc pcf50633_mbc_ac_desc = { - .name = "ac", - .type = POWER_SUPPLY_TYPE_MAINS, - .properties = power_props, - .num_properties = ARRAY_SIZE(power_props), - .get_property = ac_get_property, -}; - -static int pcf50633_mbc_probe(struct platform_device *pdev) -{ - struct power_supply_config psy_cfg = {}; - struct power_supply_config usb_psy_cfg; - struct pcf50633_mbc *mbc; - int i; - u8 mbcs1; - - mbc = devm_kzalloc(&pdev->dev, sizeof(*mbc), GFP_KERNEL); - if (!mbc) - return -ENOMEM; - - platform_set_drvdata(pdev, mbc); - mbc->pcf = dev_to_pcf50633(pdev->dev.parent); - - /* Set up IRQ handlers */ - for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++) - pcf50633_register_irq(mbc->pcf, mbc_irq_handlers[i], - pcf50633_mbc_irq_handler, mbc); - - psy_cfg.supplied_to = mbc->pcf->pdata->batteries; - psy_cfg.num_supplicants = mbc->pcf->pdata->num_batteries; - psy_cfg.drv_data = mbc; - - /* Create power supplies */ - mbc->adapter = devm_power_supply_register(&pdev->dev, - &pcf50633_mbc_adapter_desc, - &psy_cfg); - if (IS_ERR(mbc->adapter)) { - dev_err(mbc->pcf->dev, "failed to register adapter\n"); - return PTR_ERR(mbc->adapter); - } - - usb_psy_cfg = psy_cfg; - usb_psy_cfg.attr_grp = pcf50633_mbc_sysfs_groups; - - mbc->usb = devm_power_supply_register(&pdev->dev, - &pcf50633_mbc_usb_desc, - &usb_psy_cfg); - if (IS_ERR(mbc->usb)) { - dev_err(mbc->pcf->dev, "failed to register usb\n"); - return PTR_ERR(mbc->usb); - } - - mbc->ac = devm_power_supply_register(&pdev->dev, - &pcf50633_mbc_ac_desc, - &psy_cfg); - if (IS_ERR(mbc->ac)) { - dev_err(mbc->pcf->dev, "failed to register ac\n"); - return PTR_ERR(mbc->ac); - } - - mbcs1 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS1); - if (mbcs1 & PCF50633_MBCS1_USBPRES) - pcf50633_mbc_irq_handler(PCF50633_IRQ_USBINS, mbc); - if (mbcs1 & PCF50633_MBCS1_ADAPTPRES) - pcf50633_mbc_irq_handler(PCF50633_IRQ_ADPINS, mbc); - - return 0; -} - -static void pcf50633_mbc_remove(struct platform_device *pdev) -{ - struct pcf50633_mbc *mbc = platform_get_drvdata(pdev); - int i; - - /* Remove IRQ handlers */ - for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++) - pcf50633_free_irq(mbc->pcf, mbc_irq_handlers[i]); -} - -static struct platform_driver pcf50633_mbc_driver = { - .driver = { - .name = "pcf50633-mbc", - }, - .probe = pcf50633_mbc_probe, - .remove = pcf50633_mbc_remove, -}; - -module_platform_driver(pcf50633_mbc_driver); - -MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>"); -MODULE_DESCRIPTION("PCF50633 mbc driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pcf50633-mbc"); diff --git a/drivers/power/supply/pm8916_bms_vm.c b/drivers/power/supply/pm8916_bms_vm.c index 5d0dd842509c..5120be086e6f 100644 --- a/drivers/power/supply/pm8916_bms_vm.c +++ b/drivers/power/supply/pm8916_bms_vm.c @@ -210,7 +210,7 @@ static int pm8916_bms_vm_battery_probe(struct platform_device *pdev) bat->vbat_now = bat->last_ocv; psy_cfg.drv_data = bat; - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); bat->battery = devm_power_supply_register(dev, &pm8916_bms_vm_battery_psy_desc, &psy_cfg); if (IS_ERR(bat->battery)) diff --git a/drivers/power/supply/pm8916_lbc.c b/drivers/power/supply/pm8916_lbc.c index 6d92e98cbecc..c74b75b1b267 100644 --- a/drivers/power/supply/pm8916_lbc.c +++ b/drivers/power/supply/pm8916_lbc.c @@ -322,7 +322,7 @@ static int pm8916_lbc_charger_probe(struct platform_device *pdev) dev_err_probe(dev, ret, "Error while parsing device tree\n"); psy_cfg.drv_data = chg; - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); chg->charger = devm_power_supply_register(dev, &pm8916_lbc_charger_psy_desc, &psy_cfg); if (IS_ERR(chg->charger)) diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index 76c340b38015..cfb0e3e0d4aa 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -200,11 +200,11 @@ static int __power_supply_populate_supplied_from(struct power_supply *epsy, int i = 0; do { - np = of_parse_phandle(psy->of_node, "power-supplies", i++); + np = of_parse_phandle(psy->dev.of_node, "power-supplies", i++); if (!np) break; - if (np == epsy->of_node) { + if (np == epsy->dev.of_node) { dev_dbg(&psy->dev, "%s: Found supply : %s\n", psy->desc->name, epsy->desc->name); psy->supplied_from[i-1] = (char *)epsy->desc->name; @@ -235,7 +235,7 @@ static int __power_supply_find_supply_from_node(struct power_supply *epsy, struct device_node *np = data; /* returning non-zero breaks out of power_supply_for_each_psy loop */ - if (epsy->of_node == np) + if (epsy->dev.of_node == np) return 1; return 0; @@ -270,13 +270,13 @@ static int power_supply_check_supplies(struct power_supply *psy) return 0; /* No device node found, nothing to do */ - if (!psy->of_node) + if (!psy->dev.of_node) return 0; do { int ret; - np = of_parse_phandle(psy->of_node, "power-supplies", cnt++); + np = of_parse_phandle(psy->dev.of_node, "power-supplies", cnt++); if (!np) break; @@ -449,19 +449,6 @@ int power_supply_get_property_from_supplier(struct power_supply *psy, } EXPORT_SYMBOL_GPL(power_supply_get_property_from_supplier); -int power_supply_set_battery_charged(struct power_supply *psy) -{ - if (atomic_read(&psy->use_cnt) >= 0 && - psy->desc->type == POWER_SUPPLY_TYPE_BATTERY && - psy->desc->set_charged) { - psy->desc->set_charged(psy); - return 0; - } - - return -EINVAL; -} -EXPORT_SYMBOL_GPL(power_supply_set_battery_charged); - static int power_supply_match_device_by_name(struct device *dev, const void *data) { const char *name = data; @@ -606,8 +593,8 @@ int power_supply_get_battery_info(struct power_supply *psy, const __be32 *list; u32 min_max[2]; - if (psy->of_node) { - battery_np = of_parse_phandle(psy->of_node, "monitored-battery", 0); + if (psy->dev.of_node) { + battery_np = of_parse_phandle(psy->dev.of_node, "monitored-battery", 0); if (!battery_np) return -ENODEV; @@ -1248,9 +1235,8 @@ bool power_supply_has_property(struct power_supply *psy, return false; } -int power_supply_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) +static int __power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, + union power_supply_propval *val, bool use_extensions) { struct power_supply_ext_registration *reg; @@ -1260,10 +1246,14 @@ int power_supply_get_property(struct power_supply *psy, return -ENODEV; } - scoped_guard(rwsem_read, &psy->extensions_sem) { - power_supply_for_each_extension(reg, psy) { - if (power_supply_ext_has_property(reg->ext, psp)) + if (use_extensions) { + scoped_guard(rwsem_read, &psy->extensions_sem) { + power_supply_for_each_extension(reg, psy) { + if (!power_supply_ext_has_property(reg->ext, psp)) + continue; + return reg->ext->get_property(psy, reg->ext, reg->data, psp, val); + } } } @@ -1274,20 +1264,49 @@ int power_supply_get_property(struct power_supply *psy, else return -EINVAL; } + +int power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, + union power_supply_propval *val) +{ + return __power_supply_get_property(psy, psp, val, true); +} EXPORT_SYMBOL_GPL(power_supply_get_property); -int power_supply_set_property(struct power_supply *psy, - enum power_supply_property psp, - const union power_supply_propval *val) +/** + * power_supply_get_property_direct - Read a power supply property without checking for extensions + * @psy: The power supply + * @psp: The power supply property to read + * @val: The resulting value of the power supply property + * + * Read a power supply property without taking into account any power supply extensions registered + * on the given power supply. This is mostly useful for power supply extensions that want to access + * their own power supply as using power_supply_get_property() directly will result in a potential + * deadlock. + * + * Return: 0 on success or negative error code on failure. + */ +int power_supply_get_property_direct(struct power_supply *psy, enum power_supply_property psp, + union power_supply_propval *val) +{ + return __power_supply_get_property(psy, psp, val, false); +} +EXPORT_SYMBOL_GPL(power_supply_get_property_direct); + + +static int __power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, + const union power_supply_propval *val, bool use_extensions) { struct power_supply_ext_registration *reg; if (atomic_read(&psy->use_cnt) <= 0) return -ENODEV; - scoped_guard(rwsem_read, &psy->extensions_sem) { - power_supply_for_each_extension(reg, psy) { - if (power_supply_ext_has_property(reg->ext, psp)) { + if (use_extensions) { + scoped_guard(rwsem_read, &psy->extensions_sem) { + power_supply_for_each_extension(reg, psy) { + if (!power_supply_ext_has_property(reg->ext, psp)) + continue; + if (reg->ext->set_property) return reg->ext->set_property(psy, reg->ext, reg->data, psp, val); @@ -1302,8 +1321,34 @@ int power_supply_set_property(struct power_supply *psy, return psy->desc->set_property(psy, psp, val); } + +int power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, + const union power_supply_propval *val) +{ + return __power_supply_set_property(psy, psp, val, true); +} EXPORT_SYMBOL_GPL(power_supply_set_property); +/** + * power_supply_set_property_direct - Write a power supply property without checking for extensions + * @psy: The power supply + * @psp: The power supply property to write + * @val: The value to write to the power supply property + * + * Write a power supply property without taking into account any power supply extensions registered + * on the given power supply. This is mostly useful for power supply extensions that want to access + * their own power supply as using power_supply_set_property() directly will result in a potential + * deadlock. + * + * Return: 0 on success or negative error code on failure. + */ +int power_supply_set_property_direct(struct power_supply *psy, enum power_supply_property psp, + const union power_supply_propval *val) +{ + return __power_supply_set_property(psy, psp, val, false); +} +EXPORT_SYMBOL_GPL(power_supply_set_property_direct); + int power_supply_property_is_writeable(struct power_supply *psy, enum power_supply_property psp) { @@ -1544,9 +1589,8 @@ __power_supply_register(struct device *parent, if (cfg) { dev->groups = cfg->attr_grp; psy->drv_data = cfg->drv_data; - psy->of_node = + dev->of_node = cfg->fwnode ? to_of_node(cfg->fwnode) : cfg->of_node; - dev->of_node = psy->of_node; psy->supplied_to = cfg->supplied_to; psy->num_supplicants = cfg->num_supplicants; } diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index edb058c19c9c..18e5e84a81c6 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -33,7 +33,7 @@ struct power_supply_attr { [POWER_SUPPLY_PROP_ ## _name] = \ { \ .prop_name = #_name, \ - .attr_name = #_name "\0", \ + .attr_name = #_name, \ .text_values = _text, \ .text_values_len = _len, \ } @@ -110,6 +110,8 @@ static const char * const POWER_SUPPLY_HEALTH_TEXT[] = { [POWER_SUPPLY_HEALTH_COOL] = "Cool", [POWER_SUPPLY_HEALTH_HOT] = "Hot", [POWER_SUPPLY_HEALTH_NO_BATTERY] = "No battery", + [POWER_SUPPLY_HEALTH_BLOWN_FUSE] = "Blown fuse", + [POWER_SUPPLY_HEALTH_CELL_IMBALANCE] = "Cell imbalance", }; static const char * const POWER_SUPPLY_TECHNOLOGY_TEXT[] = { @@ -138,9 +140,10 @@ static const char * const POWER_SUPPLY_SCOPE_TEXT[] = { }; static const char * const POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT[] = { - [POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO] = "auto", - [POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE] = "inhibit-charge", - [POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE] = "force-discharge", + [POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO] = "auto", + [POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE] = "inhibit-charge", + [POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE_AWAKE] = "inhibit-charge-awake", + [POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE] = "force-discharge", }; static struct power_supply_attr power_supply_attrs[] __ro_after_init = { @@ -321,6 +324,27 @@ static ssize_t power_supply_show_charge_behaviour(struct device *dev, value->intval, buf); } +static ssize_t power_supply_show_charge_types(struct device *dev, + struct power_supply *psy, + enum power_supply_charge_type current_type, + char *buf) +{ + struct power_supply_ext_registration *reg; + + scoped_guard(rwsem_read, &psy->extensions_sem) { + power_supply_for_each_extension(reg, psy) { + if (power_supply_ext_has_property(reg->ext, + POWER_SUPPLY_PROP_CHARGE_TYPES)) + return power_supply_charge_types_show(dev, + reg->ext->charge_types, + current_type, buf); + } + } + + return power_supply_charge_types_show(dev, psy->desc->charge_types, + current_type, buf); +} + static ssize_t power_supply_format_property(struct device *dev, bool uevent, struct device_attribute *attr, @@ -365,7 +389,7 @@ static ssize_t power_supply_format_property(struct device *dev, case POWER_SUPPLY_PROP_CHARGE_TYPES: if (uevent) /* no possible values in uevents */ goto default_format; - ret = power_supply_charge_types_show(dev, psy->desc->charge_types, + ret = power_supply_show_charge_types(dev, psy, value.intval, buf); break; case POWER_SUPPLY_PROP_MODEL_NAME ... POWER_SUPPLY_PROP_SERIAL_NUMBER: diff --git a/drivers/power/supply/qcom_battmgr.c b/drivers/power/supply/qcom_battmgr.c index 47d29271ddf4..2d50830610e9 100644 --- a/drivers/power/supply/qcom_battmgr.c +++ b/drivers/power/supply/qcom_battmgr.c @@ -8,6 +8,7 @@ #include <linux/mutex.h> #include <linux/of_device.h> #include <linux/power_supply.h> +#include <linux/property.h> #include <linux/soc/qcom/pdr.h> #include <linux/soc/qcom/pmic_glink.h> #include <linux/math.h> @@ -980,6 +981,8 @@ static unsigned int qcom_battmgr_sc8280xp_parse_technology(const char *chemistry { if (!strncmp(chemistry, "LIO", BATTMGR_CHEMISTRY_LEN)) return POWER_SUPPLY_TECHNOLOGY_LION; + if (!strncmp(chemistry, "LIP", BATTMGR_CHEMISTRY_LEN)) + return POWER_SUPPLY_TECHNOLOGY_LIPO; pr_err("Unknown battery technology '%s'\n", chemistry); return POWER_SUPPLY_TECHNOLOGY_UNKNOWN; @@ -1336,10 +1339,10 @@ static int qcom_battmgr_probe(struct auxiliary_device *adev, battmgr->dev = dev; psy_cfg.drv_data = battmgr; - psy_cfg.of_node = adev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&adev->dev); psy_cfg_supply.drv_data = battmgr; - psy_cfg_supply.of_node = adev->dev.of_node; + psy_cfg_supply.fwnode = dev_fwnode(&adev->dev); psy_cfg_supply.supplied_to = qcom_battmgr_battery; psy_cfg_supply.num_supplicants = 1; diff --git a/drivers/power/supply/qcom_pmi8998_charger.c b/drivers/power/supply/qcom_pmi8998_charger.c index 3b4132376649..cd3cb473c70d 100644 --- a/drivers/power/supply/qcom_pmi8998_charger.c +++ b/drivers/power/supply/qcom_pmi8998_charger.c @@ -2,7 +2,7 @@ /* * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved. * Copyright (c) 2023, Linaro Ltd. - * Author: Caleb Connolly <caleb.connolly@linaro.org> + * Author: Casey Connolly <casey.connolly@linaro.org> * * This driver is for the switch-mode battery charger and boost * hardware found in pmi8998 and related PMICs. @@ -964,7 +964,7 @@ static int smb2_probe(struct platform_device *pdev) return rc; supply_config.drv_data = chip; - supply_config.of_node = pdev->dev.of_node; + supply_config.fwnode = dev_fwnode(&pdev->dev); desc = devm_kzalloc(chip->dev, sizeof(smb2_psy_desc), GFP_KERNEL); if (!desc) @@ -1016,7 +1016,9 @@ static int smb2_probe(struct platform_device *pdev) if (rc < 0) return rc; - rc = dev_pm_set_wake_irq(chip->dev, chip->cable_irq); + devm_device_init_wakeup(chip->dev); + + rc = devm_pm_set_wake_irq(chip->dev, chip->cable_irq); if (rc < 0) return dev_err_probe(chip->dev, rc, "Couldn't set wake irq\n"); @@ -1045,6 +1047,6 @@ static struct platform_driver qcom_spmi_smb2 = { module_platform_driver(qcom_spmi_smb2); -MODULE_AUTHOR("Caleb Connolly <caleb.connolly@linaro.org>"); +MODULE_AUTHOR("Casey Connolly <casey.connolly@linaro.org>"); MODULE_DESCRIPTION("Qualcomm SMB2 Charger Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/power/supply/qcom_smbb.c b/drivers/power/supply/qcom_smbb.c index a79563f6ff7a..28afe758a2da 100644 --- a/drivers/power/supply/qcom_smbb.c +++ b/drivers/power/supply/qcom_smbb.c @@ -880,7 +880,7 @@ static int smbb_charger_probe(struct platform_device *pdev) } bat_cfg.drv_data = chg; - bat_cfg.of_node = pdev->dev.of_node; + bat_cfg.fwnode = dev_fwnode(&pdev->dev); chg->bat_psy = devm_power_supply_register(&pdev->dev, &bat_psy_desc, &bat_cfg); diff --git a/drivers/power/supply/rk817_charger.c b/drivers/power/supply/rk817_charger.c index e5f35d083c23..1251022eb052 100644 --- a/drivers/power/supply/rk817_charger.c +++ b/drivers/power/supply/rk817_charger.c @@ -1088,7 +1088,7 @@ static int rk817_charger_probe(struct platform_device *pdev) rk817_bat_calib_vol(charger); pscfg.drv_data = charger; - pscfg.of_node = node; + pscfg.fwnode = &node->fwnode; /* * Get sample resistor value. Note only values of 10000 or 20000 diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c index 7a27b262fb84..b2674adfa30b 100644 --- a/drivers/power/supply/rt5033_battery.c +++ b/drivers/power/supply/rt5033_battery.c @@ -160,7 +160,7 @@ static int rt5033_battery_probe(struct i2c_client *client) } i2c_set_clientdata(client, battery); - psy_cfg.of_node = client->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&client->dev); psy_cfg.drv_data = battery; battery->psy = devm_power_supply_register(&client->dev, diff --git a/drivers/power/supply/rt5033_charger.c b/drivers/power/supply/rt5033_charger.c index d19c7e80a92a..2fdc58439707 100644 --- a/drivers/power/supply/rt5033_charger.c +++ b/drivers/power/supply/rt5033_charger.c @@ -16,6 +16,7 @@ #include <linux/power_supply.h> #include <linux/regmap.h> #include <linux/mfd/rt5033-private.h> +#include <linux/property.h> struct rt5033_charger_data { unsigned int pre_uamp; @@ -675,7 +676,7 @@ static int rt5033_charger_probe(struct platform_device *pdev) charger->regmap = dev_get_regmap(pdev->dev.parent, NULL); mutex_init(&charger->lock); - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = charger; charger->psy = devm_power_supply_register(charger->dev, diff --git a/drivers/power/supply/rt9455_charger.c b/drivers/power/supply/rt9455_charger.c index 64a23e3d7bb0..1ffe7f02932f 100644 --- a/drivers/power/supply/rt9455_charger.c +++ b/drivers/power/supply/rt9455_charger.c @@ -1579,7 +1579,7 @@ static const struct regmap_config rt9455_regmap_config = { .writeable_reg = rt9455_is_writeable_reg, .volatile_reg = rt9455_is_volatile_reg, .max_register = RT9455_REG_MASK3, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static int rt9455_probe(struct i2c_client *client) @@ -1658,7 +1658,7 @@ static int rt9455_probe(struct i2c_client *client) INIT_DEFERRABLE_WORK(&info->batt_presence_work, rt9455_batt_presence_work_callback); - rt9455_charger_config.of_node = dev->of_node; + rt9455_charger_config.fwnode = dev_fwnode(dev); rt9455_charger_config.drv_data = info; rt9455_charger_config.supplied_to = rt9455_charger_supplied_to; rt9455_charger_config.num_supplicants = diff --git a/drivers/power/supply/rt9467-charger.c b/drivers/power/supply/rt9467-charger.c index 235169c85c5d..e9aba9ad393c 100644 --- a/drivers/power/supply/rt9467-charger.c +++ b/drivers/power/supply/rt9467-charger.c @@ -826,7 +826,7 @@ static int rt9467_register_psy(struct rt9467_chg_data *data) { struct power_supply_config cfg = { .drv_data = data, - .of_node = dev_of_node(data->dev), + .fwnode = dev_fwnode(data->dev), .attr_grp = rt9467_sysfs_groups, }; diff --git a/drivers/power/supply/rt9471.c b/drivers/power/supply/rt9471.c index 67b86ac91a21..e7f843f12c98 100644 --- a/drivers/power/supply/rt9471.c +++ b/drivers/power/supply/rt9471.c @@ -192,12 +192,12 @@ static const struct reg_field rt9471_reg_fields[F_MAX_FIELDS] = { }; static const struct linear_range rt9471_chg_ranges[RT9471_MAX_RANGES] = { - [RT9471_RANGE_AICR] = { .min = 50000, .min_sel = 1, .max_sel = 63, .step = 50000 }, - [RT9471_RANGE_MIVR] = { .min = 3900000, .min_sel = 0, .max_sel = 15, .step = 100000 }, - [RT9471_RANGE_IPRE] = { .min = 50000, .min_sel = 0, .max_sel = 15, .step = 50000 }, - [RT9471_RANGE_VCHG] = { .min = 3900000, .min_sel = 0, .max_sel = 80, .step = 10000 }, - [RT9471_RANGE_ICHG] = { .min = 0, .min_sel = 0, .max_sel = 63, .step = 50000 }, - [RT9471_RANGE_IEOC] = { .min = 50000, .min_sel = 0, .max_sel = 15, .step = 50000 }, + [RT9471_RANGE_AICR] = LINEAR_RANGE(50000, 1, 63, 50000), + [RT9471_RANGE_MIVR] = LINEAR_RANGE(3900000, 0, 15, 100000), + [RT9471_RANGE_IPRE] = LINEAR_RANGE(50000, 0, 15, 50000), + [RT9471_RANGE_VCHG] = LINEAR_RANGE(3900000, 0, 80, 10000), + [RT9471_RANGE_ICHG] = LINEAR_RANGE(0, 0, 63, 50000), + [RT9471_RANGE_IEOC] = LINEAR_RANGE(50000, 0, 15, 50000), }; static int rt9471_set_value_by_field_range(struct rt9471_chip *chip, @@ -723,7 +723,7 @@ static int rt9471_register_psy(struct rt9471_chip *chip) char *psy_name; cfg.drv_data = chip; - cfg.of_node = dev->of_node; + cfg.fwnode = dev_fwnode(dev); cfg.attr_grp = rt9471_sysfs_groups; psy_name = devm_kasprintf(dev, GFP_KERNEL, "rt9471-%s", dev_name(dev)); diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c index 6f3d0413b1c1..943c82ee978f 100644 --- a/drivers/power/supply/sbs-battery.c +++ b/drivers/power/supply/sbs-battery.c @@ -1138,7 +1138,7 @@ static int sbs_probe(struct i2c_client *client) chip->flags = (uintptr_t)i2c_get_match_data(client); chip->client = client; - psy_cfg.of_node = client->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&client->dev); psy_cfg.drv_data = chip; chip->last_state = POWER_SUPPLY_STATUS_UNKNOWN; sbs_invalidate_cached_props(chip); diff --git a/drivers/power/supply/sbs-charger.c b/drivers/power/supply/sbs-charger.c index ab3f095d90ea..27764123b929 100644 --- a/drivers/power/supply/sbs-charger.c +++ b/drivers/power/supply/sbs-charger.c @@ -173,7 +173,7 @@ static int sbs_probe(struct i2c_client *client) return -ENOMEM; chip->client = client; - psy_cfg.of_node = client->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&client->dev); psy_cfg.drv_data = chip; i2c_set_clientdata(client, chip); diff --git a/drivers/power/supply/sbs-manager.c b/drivers/power/supply/sbs-manager.c index 7d2f39f19acb..869729dfcd66 100644 --- a/drivers/power/supply/sbs-manager.c +++ b/drivers/power/supply/sbs-manager.c @@ -379,7 +379,7 @@ static int sbsm_probe(struct i2c_client *client) return ret; psy_cfg.drv_data = data; - psy_cfg.of_node = dev->of_node; + psy_cfg.fwnode = dev_fwnode(dev); data->psy = devm_power_supply_register(dev, psy_desc, &psy_cfg); if (IS_ERR(data->psy)) return dev_err_probe(dev, PTR_ERR(data->psy), diff --git a/drivers/power/supply/sc2731_charger.c b/drivers/power/supply/sc2731_charger.c index 50d5157af927..58b86fd78771 100644 --- a/drivers/power/supply/sc2731_charger.c +++ b/drivers/power/supply/sc2731_charger.c @@ -480,7 +480,7 @@ static int sc2731_charger_probe(struct platform_device *pdev) } charger_cfg.drv_data = info; - charger_cfg.of_node = np; + charger_cfg.fwnode = dev_fwnode(&pdev->dev); info->psy_usb = devm_power_supply_register(&pdev->dev, &sc2731_charger_desc, &charger_cfg); diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c index f36edc2ba708..a7ed9de8a289 100644 --- a/drivers/power/supply/sc27xx_fuel_gauge.c +++ b/drivers/power/supply/sc27xx_fuel_gauge.c @@ -1014,9 +1014,8 @@ static int sc27xx_fgu_hw_init(struct sc27xx_fgu_data *data) if (!table) return -EINVAL; - data->cap_table = devm_kmemdup(data->dev, table, - data->table_len * sizeof(*table), - GFP_KERNEL); + data->cap_table = devm_kmemdup_array(data->dev, table, data->table_len, + sizeof(*table), GFP_KERNEL); if (!data->cap_table) { power_supply_put_battery_info(data->battery, info); return -ENOMEM; @@ -1141,7 +1140,6 @@ disable_fgu: static int sc27xx_fgu_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *np = dev->of_node; struct power_supply_config fgu_cfg = { }; struct sc27xx_fgu_data *data; int ret, irq; @@ -1205,7 +1203,7 @@ static int sc27xx_fgu_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); fgu_cfg.drv_data = data; - fgu_cfg.of_node = np; + fgu_cfg.fwnode = dev_fwnode(dev); data->battery = devm_power_supply_register(dev, &sc27xx_fgu_desc, &fgu_cfg); if (IS_ERR(data->battery)) { diff --git a/drivers/power/supply/smb347-charger.c b/drivers/power/supply/smb347-charger.c index c8392933ee28..8b95f7e8712f 100644 --- a/drivers/power/supply/smb347-charger.c +++ b/drivers/power/supply/smb347-charger.c @@ -1488,7 +1488,7 @@ static const struct regmap_config smb347_regmap = { .max_register = SMB347_MAX_REGISTER, .volatile_reg = smb347_volatile_reg, .readable_reg = smb347_readable_reg, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static const struct regulator_ops smb347_usb_vbus_regulator_ops = { @@ -1553,7 +1553,7 @@ static int smb347_probe(struct i2c_client *client) return PTR_ERR(smb->regmap); mains_usb_cfg.drv_data = smb; - mains_usb_cfg.of_node = dev->of_node; + mains_usb_cfg.fwnode = dev_fwnode(dev); if (smb->use_mains) { smb->mains = devm_power_supply_register(dev, &smb347_mains_desc, &mains_usb_cfg); diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c index 2a975a110f48..2c0e9ad820c0 100644 --- a/drivers/power/supply/test_power.c +++ b/drivers/power/supply/test_power.c @@ -37,6 +37,8 @@ static int battery_charge_counter = -1000; static int battery_current = -1600; static enum power_supply_charge_behaviour battery_charge_behaviour = POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO; +static enum power_supply_charge_type battery_charge_types = + POWER_SUPPLY_CHARGE_TYPE_STANDARD; static bool battery_extension; static bool module_initialized; @@ -87,7 +89,7 @@ static int test_power_get_battery_property(struct power_supply *psy, val->intval = battery_status; break; case POWER_SUPPLY_PROP_CHARGE_TYPE: - val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST; + val->intval = battery_charge_types; break; case POWER_SUPPLY_PROP_HEALTH: val->intval = battery_health; @@ -129,6 +131,9 @@ static int test_power_get_battery_property(struct power_supply *psy, case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR: val->intval = battery_charge_behaviour; break; + case POWER_SUPPLY_PROP_CHARGE_TYPES: + val->intval = battery_charge_types; + break; default: pr_info("%s: some properties deliberately report errors.\n", __func__); @@ -140,7 +145,7 @@ static int test_power_get_battery_property(struct power_supply *psy, static int test_power_battery_property_is_writeable(struct power_supply *psy, enum power_supply_property psp) { - return psp == POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR; + return psp == POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR || psp == POWER_SUPPLY_PROP_CHARGE_TYPES; } static int test_power_set_battery_property(struct power_supply *psy, @@ -156,6 +161,14 @@ static int test_power_set_battery_property(struct power_supply *psy, } battery_charge_behaviour = val->intval; break; + case POWER_SUPPLY_PROP_CHARGE_TYPES: + if (val->intval < 0 || + val->intval >= BITS_PER_TYPE(typeof(psy->desc->charge_types)) || + !(BIT(val->intval) & psy->desc->charge_types)) { + return -EINVAL; + } + battery_charge_types = val->intval; + break; default: return -EINVAL; } @@ -188,6 +201,7 @@ static enum power_supply_property test_power_battery_props[] = { POWER_SUPPLY_PROP_CURRENT_AVG, POWER_SUPPLY_PROP_CURRENT_NOW, POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR, + POWER_SUPPLY_PROP_CHARGE_TYPES, }; static char *test_power_ac_supplied_to[] = { @@ -214,7 +228,10 @@ static const struct power_supply_desc test_power_desc[] = { .property_is_writeable = test_power_battery_property_is_writeable, .charge_behaviours = BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO) | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE) + | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE_AWAKE) | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE), + .charge_types = BIT(POWER_SUPPLY_CHARGE_TYPE_STANDARD) + | BIT(POWER_SUPPLY_CHARGE_TYPE_LONGLIFE) }, [TEST_USB] = { .name = "test_usb", @@ -242,6 +259,7 @@ static const struct power_supply_config test_power_configs[] = { static int test_power_battery_extmanufacture_year = 1234; static int test_power_battery_exttemp_max = 1000; static const enum power_supply_property test_power_battery_extprops[] = { + POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, POWER_SUPPLY_PROP_MANUFACTURE_YEAR, POWER_SUPPLY_PROP_TEMP_MAX, }; @@ -253,6 +271,9 @@ static int test_power_battery_extget_property(struct power_supply *psy, union power_supply_propval *val) { switch (psp) { + case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: + return power_supply_get_property_direct(psy, POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, + val); case POWER_SUPPLY_PROP_MANUFACTURE_YEAR: val->intval = test_power_battery_extmanufacture_year; break; diff --git a/drivers/power/supply/tps65090-charger.c b/drivers/power/supply/tps65090-charger.c index d65193e410a6..d010f013af8c 100644 --- a/drivers/power/supply/tps65090-charger.c +++ b/drivers/power/supply/tps65090-charger.c @@ -259,7 +259,7 @@ static int tps65090_charger_probe(struct platform_device *pdev) psy_cfg.supplied_to = pdata->supplied_to; psy_cfg.num_supplicants = pdata->num_supplicants; - psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = cdata; cdata->ac = devm_power_supply_register(&pdev->dev, &tps65090_charger_desc, diff --git a/drivers/power/supply/tps65217_charger.c b/drivers/power/supply/tps65217_charger.c index 6fff44e1ecac..6af17ce0b204 100644 --- a/drivers/power/supply/tps65217_charger.c +++ b/drivers/power/supply/tps65217_charger.c @@ -198,7 +198,7 @@ static int tps65217_charger_probe(struct platform_device *pdev) charger->tps = tps; charger->dev = &pdev->dev; - cfg.of_node = pdev->dev.of_node; + cfg.fwnode = dev_fwnode(&pdev->dev); cfg.drv_data = charger; charger->psy = devm_power_supply_register(&pdev->dev, diff --git a/drivers/power/supply/ucs1002_power.c b/drivers/power/supply/ucs1002_power.c index 7382bec6a43c..d32a7633f9e7 100644 --- a/drivers/power/supply/ucs1002_power.c +++ b/drivers/power/supply/ucs1002_power.c @@ -560,7 +560,7 @@ static int ucs1002_probe(struct i2c_client *client) irq_a_det = of_irq_get_byname(dev->of_node, "a_det"); irq_alert = of_irq_get_byname(dev->of_node, "alert"); - charger_config.of_node = dev->of_node; + charger_config.fwnode = dev_fwnode(dev); charger_config.drv_data = info; ret = regmap_read(info->regmap, UCS1002_REG_PRODUCT_ID, ®val); diff --git a/drivers/power/supply/wm831x_power.c b/drivers/power/supply/wm831x_power.c index 538055b29dec..6acdba7885ca 100644 --- a/drivers/power/supply/wm831x_power.c +++ b/drivers/power/supply/wm831x_power.c @@ -89,7 +89,7 @@ static int wm831x_wall_get_prop(struct power_supply *psy, return ret; } -static enum power_supply_property wm831x_wall_props[] = { +static const enum power_supply_property wm831x_wall_props[] = { POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_VOLTAGE_NOW, }; @@ -120,7 +120,7 @@ static int wm831x_usb_get_prop(struct power_supply *psy, return ret; } -static enum power_supply_property wm831x_usb_props[] = { +static const enum power_supply_property wm831x_usb_props[] = { POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_VOLTAGE_NOW, }; @@ -171,21 +171,21 @@ struct chg_map { int reg_val; }; -static struct chg_map trickle_ilims[] = { +static const struct chg_map trickle_ilims[] = { { 50, 0 << WM831X_CHG_TRKL_ILIM_SHIFT }, { 100, 1 << WM831X_CHG_TRKL_ILIM_SHIFT }, { 150, 2 << WM831X_CHG_TRKL_ILIM_SHIFT }, { 200, 3 << WM831X_CHG_TRKL_ILIM_SHIFT }, }; -static struct chg_map vsels[] = { +static const struct chg_map vsels[] = { { 4050, 0 << WM831X_CHG_VSEL_SHIFT }, { 4100, 1 << WM831X_CHG_VSEL_SHIFT }, { 4150, 2 << WM831X_CHG_VSEL_SHIFT }, { 4200, 3 << WM831X_CHG_VSEL_SHIFT }, }; -static struct chg_map fast_ilims[] = { +static const struct chg_map fast_ilims[] = { { 0, 0 << WM831X_CHG_FAST_ILIM_SHIFT }, { 50, 1 << WM831X_CHG_FAST_ILIM_SHIFT }, { 100, 2 << WM831X_CHG_FAST_ILIM_SHIFT }, @@ -204,7 +204,7 @@ static struct chg_map fast_ilims[] = { { 1000, 15 << WM831X_CHG_FAST_ILIM_SHIFT }, }; -static struct chg_map eoc_iterms[] = { +static const struct chg_map eoc_iterms[] = { { 20, 0 << WM831X_CHG_ITERM_SHIFT }, { 30, 1 << WM831X_CHG_ITERM_SHIFT }, { 40, 2 << WM831X_CHG_ITERM_SHIFT }, @@ -215,7 +215,7 @@ static struct chg_map eoc_iterms[] = { { 90, 7 << WM831X_CHG_ITERM_SHIFT }, }; -static struct chg_map chg_times[] = { +static const struct chg_map chg_times[] = { { 60, 0 << WM831X_CHG_TIME_SHIFT }, { 90, 1 << WM831X_CHG_TIME_SHIFT }, { 120, 2 << WM831X_CHG_TIME_SHIFT }, @@ -235,7 +235,7 @@ static struct chg_map chg_times[] = { }; static void wm831x_battery_apply_config(struct wm831x *wm831x, - struct chg_map *map, int count, int val, + const struct chg_map *map, int count, int val, int *reg, const char *name, const char *units) { @@ -462,7 +462,7 @@ static int wm831x_bat_get_prop(struct power_supply *psy, return ret; } -static enum power_supply_property wm831x_bat_props[] = { +static const enum power_supply_property wm831x_bat_props[] = { POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_VOLTAGE_NOW, @@ -470,7 +470,7 @@ static enum power_supply_property wm831x_bat_props[] = { POWER_SUPPLY_PROP_CHARGE_TYPE, }; -static const char *wm831x_bat_irqs[] = { +static const char * const wm831x_bat_irqs[] = { "BATT HOT", "BATT COLD", "BATT FAIL", |