Lines Matching +full:power +full:- +full:supply
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * AXP20X and AXP22X PMICs' ACIN power supply driver
6 * Quentin Schulz <quentin.schulz@free-electrons.com>
27 #define AXP813_VHOLD_UV_TO_BIT(x) ((((x) / 100000) - 40) << 3)
32 #define AXP813_CURR_LIMIT_UA_TO_BIT(x) (((x) / 500000) - 3)
36 #define DRVNAME "axp20x-ac-power-supply"
40 struct power_supply *supply; member
47 struct axp20x_ac_power *power = devid; in axp20x_ac_power_irq() local
49 power_supply_changed(power->supply); in axp20x_ac_power_irq()
58 struct axp20x_ac_power *power = power_supply_get_drvdata(psy); in axp20x_ac_power_get_property() local
63 ret = regmap_read(power->regmap, AXP20X_PWR_INPUT_STATUS, ®); in axp20x_ac_power_get_property()
68 val->intval = POWER_SUPPLY_HEALTH_GOOD; in axp20x_ac_power_get_property()
72 val->intval = POWER_SUPPLY_HEALTH_UNKNOWN; in axp20x_ac_power_get_property()
76 ret = regmap_read(power->regmap, AXP20X_PWR_INPUT_STATUS, ®); in axp20x_ac_power_get_property()
80 val->intval = !!(reg & AXP20X_PWR_STATUS_ACIN_PRESENT); in axp20x_ac_power_get_property()
84 ret = regmap_read(power->regmap, AXP20X_PWR_INPUT_STATUS, ®); in axp20x_ac_power_get_property()
88 val->intval = !!(reg & AXP20X_PWR_STATUS_ACIN_AVAIL); in axp20x_ac_power_get_property()
92 ret = iio_read_channel_processed(power->acin_v, &val->intval); in axp20x_ac_power_get_property()
96 /* IIO framework gives mV but Power Supply framework gives uV */ in axp20x_ac_power_get_property()
97 val->intval *= 1000; in axp20x_ac_power_get_property()
102 ret = iio_read_channel_processed(power->acin_i, &val->intval); in axp20x_ac_power_get_property()
106 /* IIO framework gives mA but Power Supply framework gives uA */ in axp20x_ac_power_get_property()
107 val->intval *= 1000; in axp20x_ac_power_get_property()
112 ret = regmap_read(power->regmap, AXP813_ACIN_PATH_CTRL, ®); in axp20x_ac_power_get_property()
116 val->intval = AXP813_VHOLD_REG_TO_UV(reg); in axp20x_ac_power_get_property()
121 ret = regmap_read(power->regmap, AXP813_ACIN_PATH_CTRL, ®); in axp20x_ac_power_get_property()
125 val->intval = AXP813_CURR_LIMIT_REG_TO_UA(reg); in axp20x_ac_power_get_property()
127 if (val->intval > 4000000) in axp20x_ac_power_get_property()
128 val->intval = 4000000; in axp20x_ac_power_get_property()
133 return -EINVAL; in axp20x_ac_power_get_property()
136 return -EINVAL; in axp20x_ac_power_get_property()
143 struct axp20x_ac_power *power = power_supply_get_drvdata(psy); in axp813_ac_power_set_property() local
147 if (val->intval < 4000000 || val->intval > 4700000) in axp813_ac_power_set_property()
148 return -EINVAL; in axp813_ac_power_set_property()
150 return regmap_update_bits(power->regmap, AXP813_ACIN_PATH_CTRL, in axp813_ac_power_set_property()
152 AXP813_VHOLD_UV_TO_BIT(val->intval)); in axp813_ac_power_set_property()
155 if (val->intval < 1500000 || val->intval > 4000000) in axp813_ac_power_set_property()
156 return -EINVAL; in axp813_ac_power_set_property()
158 return regmap_update_bits(power->regmap, AXP813_ACIN_PATH_CTRL, in axp813_ac_power_set_property()
160 AXP813_CURR_LIMIT_UA_TO_BIT(val->intval)); in axp813_ac_power_set_property()
163 return -EINVAL; in axp813_ac_power_set_property()
166 return -EINVAL; in axp813_ac_power_set_property()
199 .name = "axp20x-ac",
207 .name = "axp22x-ac",
215 .name = "axp813-ac",
246 struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); in axp20x_ac_power_probe()
248 struct axp20x_ac_power *power; in axp20x_ac_power_probe() local
254 if (!of_device_is_available(pdev->dev.of_node)) in axp20x_ac_power_probe()
255 return -ENODEV; in axp20x_ac_power_probe()
258 dev_err(&pdev->dev, "Parent drvdata not set\n"); in axp20x_ac_power_probe()
259 return -EINVAL; in axp20x_ac_power_probe()
262 power = devm_kzalloc(&pdev->dev, sizeof(*power), GFP_KERNEL); in axp20x_ac_power_probe()
263 if (!power) in axp20x_ac_power_probe()
264 return -ENOMEM; in axp20x_ac_power_probe()
266 axp_data = of_device_get_match_data(&pdev->dev); in axp20x_ac_power_probe()
268 if (axp_data->acin_adc) { in axp20x_ac_power_probe()
269 power->acin_v = devm_iio_channel_get(&pdev->dev, "acin_v"); in axp20x_ac_power_probe()
270 if (IS_ERR(power->acin_v)) { in axp20x_ac_power_probe()
271 if (PTR_ERR(power->acin_v) == -ENODEV) in axp20x_ac_power_probe()
272 return -EPROBE_DEFER; in axp20x_ac_power_probe()
273 return PTR_ERR(power->acin_v); in axp20x_ac_power_probe()
276 power->acin_i = devm_iio_channel_get(&pdev->dev, "acin_i"); in axp20x_ac_power_probe()
277 if (IS_ERR(power->acin_i)) { in axp20x_ac_power_probe()
278 if (PTR_ERR(power->acin_i) == -ENODEV) in axp20x_ac_power_probe()
279 return -EPROBE_DEFER; in axp20x_ac_power_probe()
280 return PTR_ERR(power->acin_i); in axp20x_ac_power_probe()
284 power->regmap = dev_get_regmap(pdev->dev.parent, NULL); in axp20x_ac_power_probe()
286 platform_set_drvdata(pdev, power); in axp20x_ac_power_probe()
288 psy_cfg.of_node = pdev->dev.of_node; in axp20x_ac_power_probe()
289 psy_cfg.drv_data = power; in axp20x_ac_power_probe()
291 power->supply = devm_power_supply_register(&pdev->dev, in axp20x_ac_power_probe()
292 axp_data->power_desc, in axp20x_ac_power_probe()
294 if (IS_ERR(power->supply)) in axp20x_ac_power_probe()
295 return PTR_ERR(power->supply); in axp20x_ac_power_probe()
301 dev_warn(&pdev->dev, "No IRQ for %s: %d\n", in axp20x_ac_power_probe()
305 irq = regmap_irq_get_virq(axp20x->regmap_irqc, irq); in axp20x_ac_power_probe()
306 ret = devm_request_any_context_irq(&pdev->dev, irq, in axp20x_ac_power_probe()
308 DRVNAME, power); in axp20x_ac_power_probe()
310 dev_warn(&pdev->dev, "Error requesting %s IRQ: %d\n", in axp20x_ac_power_probe()
319 .compatible = "x-powers,axp202-ac-power-supply",
322 .compatible = "x-powers,axp221-ac-power-supply",
325 .compatible = "x-powers,axp813-ac-power-supply",
341 MODULE_AUTHOR("Quentin Schulz <quentin.schulz@free-electrons.com>");
342 MODULE_DESCRIPTION("AXP20X and AXP22X PMICs' AC power supply driver");