| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Core, IRQ and I2C device driver for DA9061 and DA9062 PMICs |
| * Copyright (C) 2015-2017 Dialog Semiconductor |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/device.h> |
| #include <linux/interrupt.h> |
| #include <linux/of.h> |
| #include <linux/regmap.h> |
| #include <linux/irq.h> |
| #include <linux/mfd/core.h> |
| #include <linux/i2c.h> |
| #include <linux/mfd/da9062/core.h> |
| #include <linux/mfd/da9062/registers.h> |
| #include <linux/regulator/of_regulator.h> |
| |
| #define DA9062_REG_EVENT_A_OFFSET 0 |
| #define DA9062_REG_EVENT_B_OFFSET 1 |
| #define DA9062_REG_EVENT_C_OFFSET 2 |
| |
| #define DA9062_IRQ_LOW 0 |
| #define DA9062_IRQ_HIGH 1 |
| |
| static struct regmap_irq da9061_irqs[] = { |
| /* EVENT A */ |
| [DA9061_IRQ_ONKEY] = { |
| .reg_offset = DA9062_REG_EVENT_A_OFFSET, |
| .mask = DA9062AA_M_NONKEY_MASK, |
| }, |
| [DA9061_IRQ_WDG_WARN] = { |
| .reg_offset = DA9062_REG_EVENT_A_OFFSET, |
| .mask = DA9062AA_M_WDG_WARN_MASK, |
| }, |
| [DA9061_IRQ_SEQ_RDY] = { |
| .reg_offset = DA9062_REG_EVENT_A_OFFSET, |
| .mask = DA9062AA_M_SEQ_RDY_MASK, |
| }, |
| /* EVENT B */ |
| [DA9061_IRQ_TEMP] = { |
| .reg_offset = DA9062_REG_EVENT_B_OFFSET, |
| .mask = DA9062AA_M_TEMP_MASK, |
| }, |
| [DA9061_IRQ_LDO_LIM] = { |
| .reg_offset = DA9062_REG_EVENT_B_OFFSET, |
| .mask = DA9062AA_M_LDO_LIM_MASK, |
| }, |
| [DA9061_IRQ_DVC_RDY] = { |
| .reg_offset = DA9062_REG_EVENT_B_OFFSET, |
| .mask = DA9062AA_M_DVC_RDY_MASK, |
| }, |
| [DA9061_IRQ_VDD_WARN] = { |
| .reg_offset = DA9062_REG_EVENT_B_OFFSET, |
| .mask = DA9062AA_M_VDD_WARN_MASK, |
| }, |
| /* EVENT C */ |
| [DA9061_IRQ_GPI0] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI0_MASK, |
| }, |
| [DA9061_IRQ_GPI1] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI1_MASK, |
| }, |
| [DA9061_IRQ_GPI2] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI2_MASK, |
| }, |
| [DA9061_IRQ_GPI3] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI3_MASK, |
| }, |
| [DA9061_IRQ_GPI4] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI4_MASK, |
| }, |
| }; |
| |
| static struct regmap_irq_chip da9061_irq_chip = { |
| .name = "da9061-irq", |
| .irqs = da9061_irqs, |
| .num_irqs = DA9061_NUM_IRQ, |
| .num_regs = 3, |
| .status_base = DA9062AA_EVENT_A, |
| .mask_base = DA9062AA_IRQ_MASK_A, |
| .ack_base = DA9062AA_EVENT_A, |
| }; |
| |
| static struct regmap_irq da9062_irqs[] = { |
| /* EVENT A */ |
| [DA9062_IRQ_ONKEY] = { |
| .reg_offset = DA9062_REG_EVENT_A_OFFSET, |
| .mask = DA9062AA_M_NONKEY_MASK, |
| }, |
| [DA9062_IRQ_ALARM] = { |
| .reg_offset = DA9062_REG_EVENT_A_OFFSET, |
| .mask = DA9062AA_M_ALARM_MASK, |
| }, |
| [DA9062_IRQ_TICK] = { |
| .reg_offset = DA9062_REG_EVENT_A_OFFSET, |
| .mask = DA9062AA_M_TICK_MASK, |
| }, |
| [DA9062_IRQ_WDG_WARN] = { |
| .reg_offset = DA9062_REG_EVENT_A_OFFSET, |
| .mask = DA9062AA_M_WDG_WARN_MASK, |
| }, |
| [DA9062_IRQ_SEQ_RDY] = { |
| .reg_offset = DA9062_REG_EVENT_A_OFFSET, |
| .mask = DA9062AA_M_SEQ_RDY_MASK, |
| }, |
| /* EVENT B */ |
| [DA9062_IRQ_TEMP] = { |
| .reg_offset = DA9062_REG_EVENT_B_OFFSET, |
| .mask = DA9062AA_M_TEMP_MASK, |
| }, |
| [DA9062_IRQ_LDO_LIM] = { |
| .reg_offset = DA9062_REG_EVENT_B_OFFSET, |
| .mask = DA9062AA_M_LDO_LIM_MASK, |
| }, |
| [DA9062_IRQ_DVC_RDY] = { |
| .reg_offset = DA9062_REG_EVENT_B_OFFSET, |
| .mask = DA9062AA_M_DVC_RDY_MASK, |
| }, |
| [DA9062_IRQ_VDD_WARN] = { |
| .reg_offset = DA9062_REG_EVENT_B_OFFSET, |
| .mask = DA9062AA_M_VDD_WARN_MASK, |
| }, |
| /* EVENT C */ |
| [DA9062_IRQ_GPI0] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI0_MASK, |
| }, |
| [DA9062_IRQ_GPI1] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI1_MASK, |
| }, |
| [DA9062_IRQ_GPI2] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI2_MASK, |
| }, |
| [DA9062_IRQ_GPI3] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI3_MASK, |
| }, |
| [DA9062_IRQ_GPI4] = { |
| .reg_offset = DA9062_REG_EVENT_C_OFFSET, |
| .mask = DA9062AA_M_GPI4_MASK, |
| }, |
| }; |
| |
| static struct regmap_irq_chip da9062_irq_chip = { |
| .name = "da9062-irq", |
| .irqs = da9062_irqs, |
| .num_irqs = DA9062_NUM_IRQ, |
| .num_regs = 3, |
| .status_base = DA9062AA_EVENT_A, |
| .mask_base = DA9062AA_IRQ_MASK_A, |
| .ack_base = DA9062AA_EVENT_A, |
| }; |
| |
| static const struct resource da9061_core_resources[] = { |
| DEFINE_RES_IRQ_NAMED(DA9061_IRQ_VDD_WARN, "VDD_WARN"), |
| }; |
| |
| static const struct resource da9061_regulators_resources[] = { |
| DEFINE_RES_IRQ_NAMED(DA9061_IRQ_LDO_LIM, "LDO_LIM"), |
| }; |
| |
| static const struct resource da9061_thermal_resources[] = { |
| DEFINE_RES_IRQ_NAMED(DA9061_IRQ_TEMP, "THERMAL"), |
| }; |
| |
| static const struct resource da9061_wdt_resources[] = { |
| DEFINE_RES_IRQ_NAMED(DA9061_IRQ_WDG_WARN, "WD_WARN"), |
| }; |
| |
| static const struct resource da9061_onkey_resources[] = { |
| DEFINE_RES_IRQ_NAMED(DA9061_IRQ_ONKEY, "ONKEY"), |
| }; |
| |
| static const struct mfd_cell da9061_devs_irq[] = { |
| MFD_CELL_OF("da9061-core", da9061_core_resources, NULL, 0, 0, |
| NULL), |
| MFD_CELL_OF("da9062-regulators", da9061_regulators_resources, NULL, 0, 0, |
| NULL), |
| MFD_CELL_OF("da9061-watchdog", da9061_wdt_resources, NULL, 0, 0, |
| "dlg,da9061-watchdog"), |
| MFD_CELL_OF("da9061-thermal", da9061_thermal_resources, NULL, 0, 0, |
| "dlg,da9061-thermal"), |
| MFD_CELL_OF("da9061-onkey", da9061_onkey_resources, NULL, 0, 0, |
| "dlg,da9061-onkey"), |
| }; |
| |
| static const struct mfd_cell da9061_devs_noirq[] = { |
| MFD_CELL_OF("da9061-core", NULL, NULL, 0, 0, NULL), |
| MFD_CELL_OF("da9062-regulators", NULL, NULL, 0, 0, NULL), |
| MFD_CELL_OF("da9061-watchdog", NULL, NULL, 0, 0, "dlg,da9061-watchdog"), |
| MFD_CELL_OF("da9061-thermal", NULL, NULL, 0, 0, "dlg,da9061-thermal"), |
| MFD_CELL_OF("da9061-onkey", NULL, NULL, 0, 0, "dlg,da9061-onkey"), |
| }; |
| |
| static const struct resource da9062_core_resources[] = { |
| DEFINE_RES_NAMED(DA9062_IRQ_VDD_WARN, 1, "VDD_WARN", IORESOURCE_IRQ), |
| }; |
| |
| static const struct resource da9062_regulators_resources[] = { |
| DEFINE_RES_NAMED(DA9062_IRQ_LDO_LIM, 1, "LDO_LIM", IORESOURCE_IRQ), |
| }; |
| |
| static const struct resource da9062_thermal_resources[] = { |
| DEFINE_RES_NAMED(DA9062_IRQ_TEMP, 1, "THERMAL", IORESOURCE_IRQ), |
| }; |
| |
| static const struct resource da9062_wdt_resources[] = { |
| DEFINE_RES_NAMED(DA9062_IRQ_WDG_WARN, 1, "WD_WARN", IORESOURCE_IRQ), |
| }; |
| |
| static const struct resource da9062_rtc_resources[] = { |
| DEFINE_RES_NAMED(DA9062_IRQ_ALARM, 1, "ALARM", IORESOURCE_IRQ), |
| DEFINE_RES_NAMED(DA9062_IRQ_TICK, 1, "TICK", IORESOURCE_IRQ), |
| }; |
| |
| static const struct resource da9062_onkey_resources[] = { |
| DEFINE_RES_NAMED(DA9062_IRQ_ONKEY, 1, "ONKEY", IORESOURCE_IRQ), |
| }; |
| |
| static const struct resource da9062_gpio_resources[] = { |
| DEFINE_RES_NAMED(DA9062_IRQ_GPI0, 1, "GPI0", IORESOURCE_IRQ), |
| DEFINE_RES_NAMED(DA9062_IRQ_GPI1, 1, "GPI1", IORESOURCE_IRQ), |
| DEFINE_RES_NAMED(DA9062_IRQ_GPI2, 1, "GPI2", IORESOURCE_IRQ), |
| DEFINE_RES_NAMED(DA9062_IRQ_GPI3, 1, "GPI3", IORESOURCE_IRQ), |
| DEFINE_RES_NAMED(DA9062_IRQ_GPI4, 1, "GPI4", IORESOURCE_IRQ), |
| }; |
| |
| static const struct mfd_cell da9062_devs_irq[] = { |
| MFD_CELL_OF("da9062-core", da9062_core_resources, NULL, 0, 0, |
| NULL), |
| MFD_CELL_OF("da9062-regulators", da9062_regulators_resources, NULL, 0, 0, |
| NULL), |
| MFD_CELL_OF("da9062-watchdog", da9062_wdt_resources, NULL, 0, 0, |
| "dlg,da9062-watchdog"), |
| MFD_CELL_OF("da9062-thermal", da9062_thermal_resources, NULL, 0, 0, |
| "dlg,da9062-thermal"), |
| MFD_CELL_OF("da9062-rtc", da9062_rtc_resources, NULL, 0, 0, |
| "dlg,da9062-rtc"), |
| MFD_CELL_OF("da9062-onkey", da9062_onkey_resources, NULL, 0, 0, |
| "dlg,da9062-onkey"), |
| MFD_CELL_OF("da9062-gpio", da9062_gpio_resources, NULL, 0, 0, |
| "dlg,da9062-gpio"), |
| }; |
| |
| static const struct mfd_cell da9062_devs_noirq[] = { |
| MFD_CELL_OF("da9062-core", NULL, NULL, 0, 0, NULL), |
| MFD_CELL_OF("da9062-regulators", NULL, NULL, 0, 0, NULL), |
| MFD_CELL_OF("da9062-watchdog", NULL, NULL, 0, 0, "dlg,da9062-watchdog"), |
| MFD_CELL_OF("da9062-thermal", NULL, NULL, 0, 0, "dlg,da9062-thermal"), |
| MFD_CELL_OF("da9062-rtc", NULL, NULL, 0, 0, "dlg,da9062-rtc"), |
| MFD_CELL_OF("da9062-onkey", NULL, NULL, 0, 0, "dlg,da9062-onkey"), |
| MFD_CELL_OF("da9062-gpio", NULL, NULL, 0, 0, "dlg,da9062-gpio"), |
| }; |
| |
| static int da9062_clear_fault_log(struct da9062 *chip) |
| { |
| int ret; |
| int fault_log; |
| |
| ret = regmap_read(chip->regmap, DA9062AA_FAULT_LOG, &fault_log); |
| if (ret < 0) |
| return ret; |
| |
| if (fault_log) { |
| if (fault_log & DA9062AA_TWD_ERROR_MASK) |
| dev_dbg(chip->dev, "Fault log entry detected: TWD_ERROR\n"); |
| if (fault_log & DA9062AA_POR_MASK) |
| dev_dbg(chip->dev, "Fault log entry detected: POR\n"); |
| if (fault_log & DA9062AA_VDD_FAULT_MASK) |
| dev_dbg(chip->dev, "Fault log entry detected: VDD_FAULT\n"); |
| if (fault_log & DA9062AA_VDD_START_MASK) |
| dev_dbg(chip->dev, "Fault log entry detected: VDD_START\n"); |
| if (fault_log & DA9062AA_TEMP_CRIT_MASK) |
| dev_dbg(chip->dev, "Fault log entry detected: TEMP_CRIT\n"); |
| if (fault_log & DA9062AA_KEY_RESET_MASK) |
| dev_dbg(chip->dev, "Fault log entry detected: KEY_RESET\n"); |
| if (fault_log & DA9062AA_NSHUTDOWN_MASK) |
| dev_dbg(chip->dev, "Fault log entry detected: NSHUTDOWN\n"); |
| if (fault_log & DA9062AA_WAIT_SHUT_MASK) |
| dev_dbg(chip->dev, "Fault log entry detected: WAIT_SHUT\n"); |
| |
| ret = regmap_write(chip->regmap, DA9062AA_FAULT_LOG, |
| fault_log); |
| } |
| |
| return ret; |
| } |
| |
| static int da9062_get_device_type(struct da9062 *chip) |
| { |
| int device_id, variant_id, variant_mrc, variant_vrc; |
| char *type; |
| int ret; |
| |
| ret = regmap_read(chip->regmap, DA9062AA_DEVICE_ID, &device_id); |
| if (ret < 0) { |
| dev_err(chip->dev, "Cannot read chip ID.\n"); |
| return -EIO; |
| } |
| if (device_id != DA9062_PMIC_DEVICE_ID) { |
| dev_err(chip->dev, "Invalid device ID: 0x%02x\n", device_id); |
| return -ENODEV; |
| } |
| |
| ret = regmap_read(chip->regmap, DA9062AA_VARIANT_ID, &variant_id); |
| if (ret < 0) { |
| dev_err(chip->dev, "Cannot read chip variant id.\n"); |
| return -EIO; |
| } |
| |
| variant_vrc = (variant_id & DA9062AA_VRC_MASK) >> DA9062AA_VRC_SHIFT; |
| |
| switch (variant_vrc) { |
| case DA9062_PMIC_VARIANT_VRC_DA9061: |
| type = "DA9061"; |
| break; |
| case DA9062_PMIC_VARIANT_VRC_DA9062: |
| type = "DA9062"; |
| break; |
| default: |
| type = "Unknown"; |
| break; |
| } |
| |
| dev_info(chip->dev, |
| "Device detected (device-ID: 0x%02X, var-ID: 0x%02X, %s)\n", |
| device_id, variant_id, type); |
| |
| variant_mrc = (variant_id & DA9062AA_MRC_MASK) >> DA9062AA_MRC_SHIFT; |
| |
| if (variant_mrc < DA9062_PMIC_VARIANT_MRC_AA) { |
| dev_err(chip->dev, |
| "Cannot support variant MRC: 0x%02X\n", variant_mrc); |
| return -ENODEV; |
| } |
| |
| return ret; |
| } |
| |
| static u32 da9062_configure_irq_type(struct da9062 *chip, int irq, u32 *trigger) |
| { |
| u32 irq_type = 0; |
| struct irq_data *irq_data = irq_get_irq_data(irq); |
| |
| if (!irq_data) { |
| dev_err(chip->dev, "Invalid IRQ: %d\n", irq); |
| return -EINVAL; |
| } |
| *trigger = irqd_get_trigger_type(irq_data); |
| |
| switch (*trigger) { |
| case IRQ_TYPE_LEVEL_HIGH: |
| irq_type = DA9062_IRQ_HIGH; |
| break; |
| case IRQ_TYPE_LEVEL_LOW: |
| irq_type = DA9062_IRQ_LOW; |
| break; |
| default: |
| dev_warn(chip->dev, "Unsupported IRQ type: %d\n", *trigger); |
| return -EINVAL; |
| } |
| return regmap_update_bits(chip->regmap, DA9062AA_CONFIG_A, |
| DA9062AA_IRQ_TYPE_MASK, |
| irq_type << DA9062AA_IRQ_TYPE_SHIFT); |
| } |
| |
| static const struct regmap_range da9061_aa_readable_ranges[] = { |
| regmap_reg_range(DA9062AA_PAGE_CON, DA9062AA_STATUS_B), |
| regmap_reg_range(DA9062AA_STATUS_D, DA9062AA_EVENT_C), |
| regmap_reg_range(DA9062AA_IRQ_MASK_A, DA9062AA_IRQ_MASK_C), |
| regmap_reg_range(DA9062AA_CONTROL_A, DA9062AA_GPIO_4), |
| regmap_reg_range(DA9062AA_GPIO_WKUP_MODE, DA9062AA_GPIO_OUT3_4), |
| regmap_reg_range(DA9062AA_BUCK1_CONT, DA9062AA_BUCK4_CONT), |
| regmap_reg_range(DA9062AA_BUCK3_CONT, DA9062AA_BUCK3_CONT), |
| regmap_reg_range(DA9062AA_LDO1_CONT, DA9062AA_LDO4_CONT), |
| regmap_reg_range(DA9062AA_DVC_1, DA9062AA_DVC_1), |
| regmap_reg_range(DA9062AA_SEQ, DA9062AA_ID_4_3), |
| regmap_reg_range(DA9062AA_ID_12_11, DA9062AA_ID_16_15), |
| regmap_reg_range(DA9062AA_ID_22_21, DA9062AA_ID_32_31), |
| regmap_reg_range(DA9062AA_SEQ_A, DA9062AA_WAIT), |
| regmap_reg_range(DA9062AA_RESET, DA9062AA_BUCK_ILIM_C), |
| regmap_reg_range(DA9062AA_BUCK1_CFG, DA9062AA_BUCK3_CFG), |
| regmap_reg_range(DA9062AA_VBUCK1_A, DA9062AA_VBUCK4_A), |
| regmap_reg_range(DA9062AA_VBUCK3_A, DA9062AA_VBUCK3_A), |
| regmap_reg_range(DA9062AA_VLDO1_A, DA9062AA_VLDO4_A), |
| regmap_reg_range(DA9062AA_CONFIG_A, DA9062AA_CONFIG_A), |
| regmap_reg_range(DA9062AA_VBUCK1_B, DA9062AA_VBUCK4_B), |
| regmap_reg_range(DA9062AA_VBUCK3_B, DA9062AA_VBUCK3_B), |
| regmap_reg_range(DA9062AA_VLDO1_B, DA9062AA_VLDO4_B), |
| regmap_reg_range(DA9062AA_INTERFACE, DA9062AA_CONFIG_E), |
| regmap_reg_range(DA9062AA_CONFIG_G, DA9062AA_CONFIG_K), |
| regmap_reg_range(DA9062AA_CONFIG_M, DA9062AA_CONFIG_M), |
| regmap_reg_range(DA9062AA_GP_ID_0, DA9062AA_GP_ID_19), |
| regmap_reg_range(DA9062AA_DEVICE_ID, DA9062AA_CONFIG_ID), |
| }; |
| |
| static const struct regmap_range da9061_aa_writeable_ranges[] = { |
| regmap_reg_range(DA9062AA_PAGE_CON, DA9062AA_PAGE_CON), |
| regmap_reg_range(DA9062AA_FAULT_LOG, DA9062AA_EVENT_C), |
| regmap_reg_range(DA9062AA_IRQ_MASK_A, DA9062AA_IRQ_MASK_C), |
| regmap_reg_range(DA9062AA_CONTROL_A, DA9062AA_GPIO_4), |
| regmap_reg_range(DA9062AA_GPIO_WKUP_MODE, DA9062AA_GPIO_OUT3_4), |
| regmap_reg_range(DA9062AA_BUCK1_CONT, DA9062AA_BUCK4_CONT), |
| regmap_reg_range(DA9062AA_BUCK3_CONT, DA9062AA_BUCK3_CONT), |
| regmap_reg_range(DA9062AA_LDO1_CONT, DA9062AA_LDO4_CONT), |
| regmap_reg_range(DA9062AA_DVC_1, DA9062AA_DVC_1), |
| regmap_reg_range(DA9062AA_SEQ, DA9062AA_ID_4_3), |
| regmap_reg_range(DA9062AA_ID_12_11, DA9062AA_ID_16_15), |
| regmap_reg_range(DA9062AA_ID_22_21, DA9062AA_ID_32_31), |
| regmap_reg_range(DA9062AA_SEQ_A, DA9062AA_WAIT), |
| regmap_reg_range(DA9062AA_RESET, DA9062AA_BUCK_ILIM_C), |
| regmap_reg_range(DA9062AA_BUCK1_CFG, DA9062AA_BUCK3_CFG), |
| regmap_reg_range(DA9062AA_VBUCK1_A, DA9062AA_VBUCK4_A), |
| regmap_reg_range(DA9062AA_VBUCK3_A, DA9062AA_VBUCK3_A), |
| regmap_reg_range(DA9062AA_VLDO1_A, DA9062AA_VLDO4_A), |
| regmap_reg_range(DA9062AA_CONFIG_A, DA9062AA_CONFIG_A), |
| regmap_reg_range(DA9062AA_VBUCK1_B, DA9062AA_VBUCK4_B), |
| regmap_reg_range(DA9062AA_VBUCK3_B, DA9062AA_VBUCK3_B), |
| regmap_reg_range(DA9062AA_VLDO1_B, DA9062AA_VLDO4_B), |
| regmap_reg_range(DA9062AA_CONFIG_J, DA9062AA_CONFIG_J), |
| regmap_reg_range(DA9062AA_GP_ID_0, DA9062AA_GP_ID_19), |
| }; |
| |
| static const struct regmap_range da9061_aa_volatile_ranges[] = { |
| regmap_reg_range(DA9062AA_PAGE_CON, DA9062AA_STATUS_B), |
| regmap_reg_range(DA9062AA_STATUS_D, DA9062AA_EVENT_C), |
| regmap_reg_range(DA9062AA_CONTROL_A, DA9062AA_CONTROL_B), |
| regmap_reg_range(DA9062AA_CONTROL_E, DA9062AA_CONTROL_F), |
| regmap_reg_range(DA9062AA_BUCK1_CONT, DA9062AA_BUCK4_CONT), |
| regmap_reg_range(DA9062AA_BUCK3_CONT, DA9062AA_BUCK3_CONT), |
| regmap_reg_range(DA9062AA_LDO1_CONT, DA9062AA_LDO4_CONT), |
| regmap_reg_range(DA9062AA_DVC_1, DA9062AA_DVC_1), |
| regmap_reg_range(DA9062AA_SEQ, DA9062AA_SEQ), |
| }; |
| |
| static const struct regmap_access_table da9061_aa_readable_table = { |
| .yes_ranges = da9061_aa_readable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9061_aa_readable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9061_aa_writeable_table = { |
| .yes_ranges = da9061_aa_writeable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9061_aa_writeable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9061_aa_volatile_table = { |
| .yes_ranges = da9061_aa_volatile_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9061_aa_volatile_ranges), |
| }; |
| |
| static const struct regmap_range_cfg da9061_range_cfg[] = { |
| { |
| .range_min = DA9062AA_PAGE_CON, |
| .range_max = DA9062AA_CONFIG_ID, |
| .selector_reg = DA9062AA_PAGE_CON, |
| .selector_mask = 1 << DA9062_I2C_PAGE_SEL_SHIFT, |
| .selector_shift = DA9062_I2C_PAGE_SEL_SHIFT, |
| .window_start = 0, |
| .window_len = 256, |
| } |
| }; |
| |
| static struct regmap_config da9061_regmap_config = { |
| .reg_bits = 8, |
| .val_bits = 8, |
| .ranges = da9061_range_cfg, |
| .num_ranges = ARRAY_SIZE(da9061_range_cfg), |
| .max_register = DA9062AA_CONFIG_ID, |
| .cache_type = REGCACHE_RBTREE, |
| .rd_table = &da9061_aa_readable_table, |
| .wr_table = &da9061_aa_writeable_table, |
| .volatile_table = &da9061_aa_volatile_table, |
| }; |
| |
| static const struct regmap_range da9062_aa_readable_ranges[] = { |
| regmap_reg_range(DA9062AA_PAGE_CON, DA9062AA_STATUS_B), |
| regmap_reg_range(DA9062AA_STATUS_D, DA9062AA_EVENT_C), |
| regmap_reg_range(DA9062AA_IRQ_MASK_A, DA9062AA_IRQ_MASK_C), |
| regmap_reg_range(DA9062AA_CONTROL_A, DA9062AA_GPIO_4), |
| regmap_reg_range(DA9062AA_GPIO_WKUP_MODE, DA9062AA_BUCK4_CONT), |
| regmap_reg_range(DA9062AA_BUCK3_CONT, DA9062AA_BUCK3_CONT), |
| regmap_reg_range(DA9062AA_LDO1_CONT, DA9062AA_LDO4_CONT), |
| regmap_reg_range(DA9062AA_DVC_1, DA9062AA_DVC_1), |
| regmap_reg_range(DA9062AA_COUNT_S, DA9062AA_SECOND_D), |
| regmap_reg_range(DA9062AA_SEQ, DA9062AA_ID_4_3), |
| regmap_reg_range(DA9062AA_ID_12_11, DA9062AA_ID_16_15), |
| regmap_reg_range(DA9062AA_ID_22_21, DA9062AA_ID_32_31), |
| regmap_reg_range(DA9062AA_SEQ_A, DA9062AA_BUCK3_CFG), |
| regmap_reg_range(DA9062AA_VBUCK2_A, DA9062AA_VBUCK4_A), |
| regmap_reg_range(DA9062AA_VBUCK3_A, DA9062AA_VBUCK3_A), |
| regmap_reg_range(DA9062AA_VLDO1_A, DA9062AA_VLDO4_A), |
| regmap_reg_range(DA9062AA_VBUCK2_B, DA9062AA_VBUCK4_B), |
| regmap_reg_range(DA9062AA_VBUCK3_B, DA9062AA_VBUCK3_B), |
| regmap_reg_range(DA9062AA_VLDO1_B, DA9062AA_VLDO4_B), |
| regmap_reg_range(DA9062AA_BBAT_CONT, DA9062AA_BBAT_CONT), |
| regmap_reg_range(DA9062AA_INTERFACE, DA9062AA_CONFIG_E), |
| regmap_reg_range(DA9062AA_CONFIG_G, DA9062AA_CONFIG_K), |
| regmap_reg_range(DA9062AA_CONFIG_M, DA9062AA_CONFIG_M), |
| regmap_reg_range(DA9062AA_TRIM_CLDR, DA9062AA_GP_ID_19), |
| regmap_reg_range(DA9062AA_DEVICE_ID, DA9062AA_CONFIG_ID), |
| }; |
| |
| static const struct regmap_range da9062_aa_writeable_ranges[] = { |
| regmap_reg_range(DA9062AA_PAGE_CON, DA9062AA_PAGE_CON), |
| regmap_reg_range(DA9062AA_FAULT_LOG, DA9062AA_EVENT_C), |
| regmap_reg_range(DA9062AA_IRQ_MASK_A, DA9062AA_IRQ_MASK_C), |
| regmap_reg_range(DA9062AA_CONTROL_A, DA9062AA_GPIO_4), |
| regmap_reg_range(DA9062AA_GPIO_WKUP_MODE, DA9062AA_BUCK4_CONT), |
| regmap_reg_range(DA9062AA_BUCK3_CONT, DA9062AA_BUCK3_CONT), |
| regmap_reg_range(DA9062AA_LDO1_CONT, DA9062AA_LDO4_CONT), |
| regmap_reg_range(DA9062AA_DVC_1, DA9062AA_DVC_1), |
| regmap_reg_range(DA9062AA_COUNT_S, DA9062AA_ALARM_Y), |
| regmap_reg_range(DA9062AA_SEQ, DA9062AA_ID_4_3), |
| regmap_reg_range(DA9062AA_ID_12_11, DA9062AA_ID_16_15), |
| regmap_reg_range(DA9062AA_ID_22_21, DA9062AA_ID_32_31), |
| regmap_reg_range(DA9062AA_SEQ_A, DA9062AA_BUCK3_CFG), |
| regmap_reg_range(DA9062AA_VBUCK2_A, DA9062AA_VBUCK4_A), |
| regmap_reg_range(DA9062AA_VBUCK3_A, DA9062AA_VBUCK3_A), |
| regmap_reg_range(DA9062AA_VLDO1_A, DA9062AA_VLDO4_A), |
| regmap_reg_range(DA9062AA_VBUCK2_B, DA9062AA_VBUCK4_B), |
| regmap_reg_range(DA9062AA_VBUCK3_B, DA9062AA_VBUCK3_B), |
| regmap_reg_range(DA9062AA_VLDO1_B, DA9062AA_VLDO4_B), |
| regmap_reg_range(DA9062AA_BBAT_CONT, DA9062AA_BBAT_CONT), |
| regmap_reg_range(DA9062AA_CONFIG_J, DA9062AA_CONFIG_J), |
| regmap_reg_range(DA9062AA_GP_ID_0, DA9062AA_GP_ID_19), |
| }; |
| |
| static const struct regmap_range da9062_aa_volatile_ranges[] = { |
| regmap_reg_range(DA9062AA_PAGE_CON, DA9062AA_STATUS_B), |
| regmap_reg_range(DA9062AA_STATUS_D, DA9062AA_EVENT_C), |
| regmap_reg_range(DA9062AA_CONTROL_A, DA9062AA_CONTROL_B), |
| regmap_reg_range(DA9062AA_CONTROL_E, DA9062AA_CONTROL_F), |
| regmap_reg_range(DA9062AA_BUCK2_CONT, DA9062AA_BUCK4_CONT), |
| regmap_reg_range(DA9062AA_BUCK3_CONT, DA9062AA_BUCK3_CONT), |
| regmap_reg_range(DA9062AA_LDO1_CONT, DA9062AA_LDO4_CONT), |
| regmap_reg_range(DA9062AA_DVC_1, DA9062AA_DVC_1), |
| regmap_reg_range(DA9062AA_COUNT_S, DA9062AA_SECOND_D), |
| regmap_reg_range(DA9062AA_SEQ, DA9062AA_SEQ), |
| regmap_reg_range(DA9062AA_EN_32K, DA9062AA_EN_32K), |
| }; |
| |
| static const struct regmap_access_table da9062_aa_readable_table = { |
| .yes_ranges = da9062_aa_readable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9062_aa_readable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9062_aa_writeable_table = { |
| .yes_ranges = da9062_aa_writeable_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9062_aa_writeable_ranges), |
| }; |
| |
| static const struct regmap_access_table da9062_aa_volatile_table = { |
| .yes_ranges = da9062_aa_volatile_ranges, |
| .n_yes_ranges = ARRAY_SIZE(da9062_aa_volatile_ranges), |
| }; |
| |
| static const struct regmap_range_cfg da9062_range_cfg[] = { |
| { |
| .range_min = DA9062AA_PAGE_CON, |
| .range_max = DA9062AA_CONFIG_ID, |
| .selector_reg = DA9062AA_PAGE_CON, |
| .selector_mask = 1 << DA9062_I2C_PAGE_SEL_SHIFT, |
| .selector_shift = DA9062_I2C_PAGE_SEL_SHIFT, |
| .window_start = 0, |
| .window_len = 256, |
| } |
| }; |
| |
| static struct regmap_config da9062_regmap_config = { |
| .reg_bits = 8, |
| .val_bits = 8, |
| .ranges = da9062_range_cfg, |
| .num_ranges = ARRAY_SIZE(da9062_range_cfg), |
| .max_register = DA9062AA_CONFIG_ID, |
| .cache_type = REGCACHE_RBTREE, |
| .rd_table = &da9062_aa_readable_table, |
| .wr_table = &da9062_aa_writeable_table, |
| .volatile_table = &da9062_aa_volatile_table, |
| }; |
| |
| static const struct of_device_id da9062_dt_ids[] = { |
| { .compatible = "dlg,da9061", .data = (void *)COMPAT_TYPE_DA9061, }, |
| { .compatible = "dlg,da9062", .data = (void *)COMPAT_TYPE_DA9062, }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, da9062_dt_ids); |
| |
| static int da9062_i2c_probe(struct i2c_client *i2c) |
| { |
| const struct i2c_device_id *id = i2c_client_get_device_id(i2c); |
| struct da9062 *chip; |
| unsigned int irq_base = 0; |
| const struct mfd_cell *cell; |
| const struct regmap_irq_chip *irq_chip; |
| const struct regmap_config *config; |
| int cell_num; |
| u32 trigger_type = 0; |
| int ret; |
| |
| chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL); |
| if (!chip) |
| return -ENOMEM; |
| |
| if (i2c->dev.of_node) |
| chip->chip_type = (uintptr_t)of_device_get_match_data(&i2c->dev); |
| else |
| chip->chip_type = id->driver_data; |
| |
| i2c_set_clientdata(i2c, chip); |
| chip->dev = &i2c->dev; |
| |
| /* Start with a base configuration without IRQ */ |
| switch (chip->chip_type) { |
| case COMPAT_TYPE_DA9061: |
| cell = da9061_devs_noirq; |
| cell_num = ARRAY_SIZE(da9061_devs_noirq); |
| config = &da9061_regmap_config; |
| break; |
| case COMPAT_TYPE_DA9062: |
| cell = da9062_devs_noirq; |
| cell_num = ARRAY_SIZE(da9062_devs_noirq); |
| config = &da9062_regmap_config; |
| break; |
| default: |
| dev_err(chip->dev, "Unrecognised chip type\n"); |
| return -ENODEV; |
| } |
| |
| chip->regmap = devm_regmap_init_i2c(i2c, config); |
| if (IS_ERR(chip->regmap)) { |
| ret = PTR_ERR(chip->regmap); |
| dev_err(chip->dev, "Failed to allocate register map: %d\n", |
| ret); |
| return ret; |
| } |
| |
| /* If SMBus is not available and only I2C is possible, enter I2C mode */ |
| if (i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) { |
| dev_info(chip->dev, "Entering I2C mode!\n"); |
| ret = regmap_clear_bits(chip->regmap, DA9062AA_CONFIG_J, |
| DA9062AA_TWOWIRE_TO_MASK); |
| if (ret < 0) { |
| dev_err(chip->dev, "Failed to set Two-Wire Bus Mode.\n"); |
| return ret; |
| } |
| } |
| |
| ret = da9062_clear_fault_log(chip); |
| if (ret < 0) |
| dev_warn(chip->dev, "Cannot clear fault log\n"); |
| |
| ret = da9062_get_device_type(chip); |
| if (ret) |
| return ret; |
| |
| /* If IRQ is available, reconfigure it accordingly */ |
| if (i2c->irq) { |
| if (chip->chip_type == COMPAT_TYPE_DA9061) { |
| cell = da9061_devs_irq; |
| cell_num = ARRAY_SIZE(da9061_devs_irq); |
| irq_chip = &da9061_irq_chip; |
| } else { |
| cell = da9062_devs_irq; |
| cell_num = ARRAY_SIZE(da9062_devs_irq); |
| irq_chip = &da9062_irq_chip; |
| } |
| |
| ret = da9062_configure_irq_type(chip, i2c->irq, &trigger_type); |
| if (ret < 0) { |
| dev_err(chip->dev, "Failed to configure IRQ type\n"); |
| return ret; |
| } |
| |
| ret = regmap_add_irq_chip(chip->regmap, i2c->irq, |
| trigger_type | IRQF_SHARED | IRQF_ONESHOT, |
| -1, irq_chip, &chip->regmap_irq); |
| if (ret) { |
| dev_err(chip->dev, "Failed to request IRQ %d: %d\n", |
| i2c->irq, ret); |
| return ret; |
| } |
| |
| irq_base = regmap_irq_chip_get_base(chip->regmap_irq); |
| } |
| |
| ret = mfd_add_devices(chip->dev, PLATFORM_DEVID_NONE, cell, |
| cell_num, NULL, irq_base, |
| NULL); |
| if (ret) { |
| dev_err(chip->dev, "Cannot register child devices\n"); |
| if (i2c->irq) |
| regmap_del_irq_chip(i2c->irq, chip->regmap_irq); |
| return ret; |
| } |
| |
| return ret; |
| } |
| |
| static void da9062_i2c_remove(struct i2c_client *i2c) |
| { |
| struct da9062 *chip = i2c_get_clientdata(i2c); |
| |
| mfd_remove_devices(chip->dev); |
| regmap_del_irq_chip(i2c->irq, chip->regmap_irq); |
| } |
| |
| static const struct i2c_device_id da9062_i2c_id[] = { |
| { "da9061", COMPAT_TYPE_DA9061 }, |
| { "da9062", COMPAT_TYPE_DA9062 }, |
| { }, |
| }; |
| MODULE_DEVICE_TABLE(i2c, da9062_i2c_id); |
| |
| static struct i2c_driver da9062_i2c_driver = { |
| .driver = { |
| .name = "da9062", |
| .of_match_table = da9062_dt_ids, |
| }, |
| .probe = da9062_i2c_probe, |
| .remove = da9062_i2c_remove, |
| .id_table = da9062_i2c_id, |
| }; |
| |
| module_i2c_driver(da9062_i2c_driver); |
| |
| MODULE_DESCRIPTION("Core device driver for Dialog DA9061 and DA9062"); |
| MODULE_AUTHOR("Steve Twiss <stwiss.opensource@diasemi.com>"); |
| MODULE_LICENSE("GPL"); |
