| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jerome Neanne | 1564 | 100.00% | 1 | 100.00% |
| Total | 1564 | 1 |
// SPDX-License-Identifier: GPL-2.0 // // Driver for TPS65219 Integrated Power Management Integrated Chips (PMIC) // // Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/ #include <linux/i2c.h> #include <linux/reboot.h> #include <linux/regmap.h> #include <linux/mfd/core.h> #include <linux/mfd/tps65219.h> static int tps65219_warm_reset(struct tps65219 *tps) { return regmap_update_bits(tps->regmap, TPS65219_REG_MFP_CTRL, TPS65219_MFP_WARM_RESET_I2C_CTRL_MASK, TPS65219_MFP_WARM_RESET_I2C_CTRL_MASK); } static int tps65219_cold_reset(struct tps65219 *tps) { return regmap_update_bits(tps->regmap, TPS65219_REG_MFP_CTRL, TPS65219_MFP_COLD_RESET_I2C_CTRL_MASK, TPS65219_MFP_COLD_RESET_I2C_CTRL_MASK); } static int tps65219_restart(struct notifier_block *this, unsigned long reboot_mode, void *cmd) { struct tps65219 *tps; tps = container_of(this, struct tps65219, nb); if (reboot_mode == REBOOT_WARM) tps65219_warm_reset(tps); else tps65219_cold_reset(tps); return NOTIFY_DONE; } static struct notifier_block pmic_rst_restart_nb = { .notifier_call = tps65219_restart, .priority = 200, }; static const struct resource tps65219_pwrbutton_resources[] = { DEFINE_RES_IRQ_NAMED(TPS65219_INT_PB_FALLING_EDGE_DETECT, "falling"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_PB_RISING_EDGE_DETECT, "rising"), }; static const struct resource tps65219_regulator_resources[] = { DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO3_SCG, "LDO3_SCG"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO3_OC, "LDO3_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO3_UV, "LDO3_UV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO4_SCG, "LDO4_SCG"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO4_OC, "LDO4_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO4_UV, "LDO4_UV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO1_SCG, "LDO1_SCG"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO1_OC, "LDO1_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO1_UV, "LDO1_UV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO2_SCG, "LDO2_SCG"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO2_OC, "LDO2_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO2_UV, "LDO2_UV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_SCG, "BUCK3_SCG"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_OC, "BUCK3_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_NEG_OC, "BUCK3_NEG_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_UV, "BUCK3_UV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_SCG, "BUCK1_SCG"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_OC, "BUCK1_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_NEG_OC, "BUCK1_NEG_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_UV, "BUCK1_UV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_SCG, "BUCK2_SCG"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_OC, "BUCK2_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_NEG_OC, "BUCK2_NEG_OC"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_UV, "BUCK2_UV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_RV, "BUCK1_RV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_RV, "BUCK2_RV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_RV, "BUCK3_RV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO1_RV, "LDO1_RV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO2_RV, "LDO2_RV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO3_RV, "LDO3_RV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO4_RV, "LDO4_RV"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK1_RV_SD, "BUCK1_RV_SD"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK2_RV_SD, "BUCK2_RV_SD"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_BUCK3_RV_SD, "BUCK3_RV_SD"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO1_RV_SD, "LDO1_RV_SD"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO2_RV_SD, "LDO2_RV_SD"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO3_RV_SD, "LDO3_RV_SD"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_LDO4_RV_SD, "LDO4_RV_SD"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_TIMEOUT, "TIMEOUT"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_3_WARM, "SENSOR_3_WARM"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_2_WARM, "SENSOR_2_WARM"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_1_WARM, "SENSOR_1_WARM"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_0_WARM, "SENSOR_0_WARM"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_3_HOT, "SENSOR_3_HOT"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_2_HOT, "SENSOR_2_HOT"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_1_HOT, "SENSOR_1_HOT"), DEFINE_RES_IRQ_NAMED(TPS65219_INT_SENSOR_0_HOT, "SENSOR_0_HOT"), }; static const struct mfd_cell tps65219_cells[] = { { .name = "tps65219-regulator", .resources = tps65219_regulator_resources, .num_resources = ARRAY_SIZE(tps65219_regulator_resources), }, { .name = "tps65219-gpios", }, }; static const struct mfd_cell tps65219_pwrbutton_cell = { .name = "tps65219-pwrbutton", .resources = tps65219_pwrbutton_resources, .num_resources = ARRAY_SIZE(tps65219_pwrbutton_resources), }; static const struct regmap_config tps65219_regmap_config = { .reg_bits = 8, .val_bits = 8, .max_register = TPS65219_REG_FACTORY_CONFIG_2, }; /* * Mapping of main IRQ register bits to sub-IRQ register offsets so that we can * access corect sub-IRQ registers based on bits that are set in main IRQ * register. */ /* Timeout Residual Voltage Shutdown */ static unsigned int bit0_offsets[] = { TPS65219_REG_INT_TO_RV_POS }; static unsigned int bit1_offsets[] = { TPS65219_REG_INT_RV_POS }; /* Residual Voltage */ static unsigned int bit2_offsets[] = { TPS65219_REG_INT_SYS_POS }; /* System */ static unsigned int bit3_offsets[] = { TPS65219_REG_INT_BUCK_1_2_POS }; /* Buck 1-2 */ static unsigned int bit4_offsets[] = { TPS65219_REG_INT_BUCK_3_POS }; /* Buck 3 */ static unsigned int bit5_offsets[] = { TPS65219_REG_INT_LDO_1_2_POS }; /* LDO 1-2 */ static unsigned int bit6_offsets[] = { TPS65219_REG_INT_LDO_3_4_POS }; /* LDO 3-4 */ static unsigned int bit7_offsets[] = { TPS65219_REG_INT_PB_POS }; /* Power Button */ static struct regmap_irq_sub_irq_map tps65219_sub_irq_offsets[] = { REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets), REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets), REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets), REGMAP_IRQ_MAIN_REG_OFFSET(bit3_offsets), REGMAP_IRQ_MAIN_REG_OFFSET(bit4_offsets), REGMAP_IRQ_MAIN_REG_OFFSET(bit5_offsets), REGMAP_IRQ_MAIN_REG_OFFSET(bit6_offsets), REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets), }; #define TPS65219_REGMAP_IRQ_REG(int_name, register_position) \ REGMAP_IRQ_REG(int_name, register_position, int_name##_MASK) static struct regmap_irq tps65219_irqs[] = { TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO3_SCG, TPS65219_REG_INT_LDO_3_4_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO3_OC, TPS65219_REG_INT_LDO_3_4_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO3_UV, TPS65219_REG_INT_LDO_3_4_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO4_SCG, TPS65219_REG_INT_LDO_3_4_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO4_OC, TPS65219_REG_INT_LDO_3_4_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO4_UV, TPS65219_REG_INT_LDO_3_4_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO1_SCG, TPS65219_REG_INT_LDO_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO1_OC, TPS65219_REG_INT_LDO_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO1_UV, TPS65219_REG_INT_LDO_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO2_SCG, TPS65219_REG_INT_LDO_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO2_OC, TPS65219_REG_INT_LDO_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO2_UV, TPS65219_REG_INT_LDO_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_SCG, TPS65219_REG_INT_BUCK_3_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_OC, TPS65219_REG_INT_BUCK_3_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_NEG_OC, TPS65219_REG_INT_BUCK_3_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_UV, TPS65219_REG_INT_BUCK_3_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_SCG, TPS65219_REG_INT_BUCK_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_OC, TPS65219_REG_INT_BUCK_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_NEG_OC, TPS65219_REG_INT_BUCK_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_UV, TPS65219_REG_INT_BUCK_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_SCG, TPS65219_REG_INT_BUCK_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_OC, TPS65219_REG_INT_BUCK_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_NEG_OC, TPS65219_REG_INT_BUCK_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_UV, TPS65219_REG_INT_BUCK_1_2_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_3_WARM, TPS65219_REG_INT_SYS_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_2_WARM, TPS65219_REG_INT_SYS_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_1_WARM, TPS65219_REG_INT_SYS_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_0_WARM, TPS65219_REG_INT_SYS_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_3_HOT, TPS65219_REG_INT_SYS_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_2_HOT, TPS65219_REG_INT_SYS_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_1_HOT, TPS65219_REG_INT_SYS_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_SENSOR_0_HOT, TPS65219_REG_INT_SYS_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_RV, TPS65219_REG_INT_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_RV, TPS65219_REG_INT_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_RV, TPS65219_REG_INT_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO1_RV, TPS65219_REG_INT_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO2_RV, TPS65219_REG_INT_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO3_RV, TPS65219_REG_INT_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO4_RV, TPS65219_REG_INT_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK1_RV_SD, TPS65219_REG_INT_TO_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK2_RV_SD, TPS65219_REG_INT_TO_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_BUCK3_RV_SD, TPS65219_REG_INT_TO_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO1_RV_SD, TPS65219_REG_INT_TO_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO2_RV_SD, TPS65219_REG_INT_TO_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO3_RV_SD, TPS65219_REG_INT_TO_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_LDO4_RV_SD, TPS65219_REG_INT_TO_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_TIMEOUT, TPS65219_REG_INT_TO_RV_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_PB_FALLING_EDGE_DETECT, TPS65219_REG_INT_PB_POS), TPS65219_REGMAP_IRQ_REG(TPS65219_INT_PB_RISING_EDGE_DETECT, TPS65219_REG_INT_PB_POS), }; static struct regmap_irq_chip tps65219_irq_chip = { .name = "tps65219_irq", .main_status = TPS65219_REG_INT_SOURCE, .num_main_regs = 1, .num_main_status_bits = 8, .irqs = tps65219_irqs, .num_irqs = ARRAY_SIZE(tps65219_irqs), .status_base = TPS65219_REG_INT_LDO_3_4, .ack_base = TPS65219_REG_INT_LDO_3_4, .clear_ack = 1, .num_regs = 8, .sub_reg_offsets = tps65219_sub_irq_offsets, }; static int tps65219_probe(struct i2c_client *client) { struct tps65219 *tps; unsigned int chipid; bool pwr_button; int ret; tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); if (!tps) return -ENOMEM; i2c_set_clientdata(client, tps); tps->dev = &client->dev; tps->regmap = devm_regmap_init_i2c(client, &tps65219_regmap_config); if (IS_ERR(tps->regmap)) { ret = PTR_ERR(tps->regmap); dev_err(tps->dev, "Failed to allocate register map: %d\n", ret); return ret; } ret = devm_regmap_add_irq_chip(&client->dev, tps->regmap, client->irq, IRQF_ONESHOT, 0, &tps65219_irq_chip, &tps->irq_data); if (ret) return ret; ret = regmap_read(tps->regmap, TPS65219_REG_TI_DEV_ID, &chipid); if (ret) { dev_err(tps->dev, "Failed to read device ID: %d\n", ret); return ret; } ret = devm_mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65219_cells, ARRAY_SIZE(tps65219_cells), NULL, 0, regmap_irq_get_domain(tps->irq_data)); if (ret) { dev_err(tps->dev, "Failed to add child devices: %d\n", ret); return ret; } pwr_button = of_property_read_bool(tps->dev->of_node, "ti,power-button"); if (pwr_button) { ret = devm_mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, &tps65219_pwrbutton_cell, 1, NULL, 0, regmap_irq_get_domain(tps->irq_data)); if (ret) { dev_err(tps->dev, "Failed to add power-button: %d\n", ret); return ret; } } tps->nb = pmic_rst_restart_nb; ret = register_restart_handler(&tps->nb); if (ret) { dev_err(tps->dev, "cannot register restart handler, %d\n", ret); return ret; } return 0; } static const struct of_device_id of_tps65219_match_table[] = { { .compatible = "ti,tps65219", }, {} }; MODULE_DEVICE_TABLE(of, of_tps65219_match_table); static struct i2c_driver tps65219_driver = { .driver = { .name = "tps65219", .of_match_table = of_tps65219_match_table, }, .probe_new = tps65219_probe, }; module_i2c_driver(tps65219_driver); MODULE_AUTHOR("Jerome Neanne <jneanne@baylibre.com>"); MODULE_DESCRIPTION("TPS65219 power management IC driver"); MODULE_LICENSE("GPL");
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