diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-03 12:16:25 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-03 12:16:25 -0700 |
commit | d26f552ebbfb0f2c7fe712f457a038d60ed73daa (patch) | |
tree | 8d13c7344cabc99e738e0db7262b713708026fa0 /drivers/mfd/da9062-core.c | |
parent | e897f267c51812bfecec45771a2d835c1a2bdacf (diff) | |
parent | ab6241ae07c3c698543b565e4ea41995a29a3f62 (diff) |
Merge tag 'mfd-next-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Freescale MXS Low Resolution ADC
- Freescale i.MX23/i.MX28 LRADC touchscreen
- Motorola CPCAP Power Button
- TI LMU (Lighting Management Unit)
- Atmel SMC (Static Memory Controller)
New Device Support:
- Add support for X-Powers AXP803 to axp20x
- Add support for Dialog Semi DA9061 to da9062-core
- Add support for Intel Cougar Mountain to lpc_ich
- Add support for Intel Gemini Lake to lpc_ich
New Functionality:
- Add Device Tree support; wm831x-*, axp20x, ti-lmu, da9062, sun4i-gpadc
- Add IRQ sense support; motorola-cpcap
- Add ACPI support; cros_ec
- Add Reset support; altera-a10sr
- Add ADC support; axp20x
- Add AC Power support; axp20x
- Add Runtime PM support; atmel-ebi, exynos-lpass
- Add Battery Power Supply support; axp20x
- Add Clock support; exynos-lpass, hi655x-pmic
Fix-ups:
- Implicitly specify required headers; motorola-cpcap, intel_soc_pmic_bxtwc
- Add .remove() method; stm32-timers, exynos-lpass
- Remove unused code; intel_soc_pmic_core, intel-lpss-acpi, ipaq-micro, atmel-smc, menelaus
- Rename variables for clarity; axp20x
- Convert pr_warning() to pr_warn(); db8500-prcmu, sta2x11-mfd, twl4030-power
- Improve formatting; arizona-core, axp20x
- Use raw_spinlock_*() variants; asic3, t7l66xb, tc6393xb
- Simplify/refactor code; arizona-core, atmel-ebi
- Improve error checking; intel_soc_pmic_core
Bug Fixes:
- Ensure OMAP3630/3730 boards can successfully reboot; twl4030-power
- Correct max-register value; stm32-timers
- Extend timeout to account for clock stretching; cros_ec_spi
- Use correct IRQ trigger type; motorola-cpcap
- Fix bad use of IRQ sense register; motorola-cpcap
- Logic error "||" should be "&&"; mxs-lradc-ts"
* tag 'mfd-next-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (79 commits)
input: touchscreen: mxs-lradc: || vs && typos
dt-bindings: Add AXP803's regulator info
mfd: axp20x: Support AXP803 variant
dt-bindings: Add device tree binding for X-Powers AXP803 PMIC
dt-bindings: Make AXP20X compatible strings one per line
mfd: intel_soc_pmic_core: Fix unchecked return value
mfd: menelaus: Remove obsolete local_irq_disable() and local_irq_enable()
mfd: omap-usb-tll: Configure ULPIAUTOIDLE
mfd: omap-usb-tll: Fix inverted bit use for USB TLL mode
mfd: palmas: Fixed spelling mistake in error message
mfd: lpc_ich: Add support for Intel Gemini Lake SoC
mfd: hi655x: Add the clock cell to provide WiFi and Bluetooth
mfd: intel_soc_pmic: Fix a mess with compilation units
mfd: exynos-lpass: Add runtime PM support
mfd: exynos-lpass: Add missing remove() function
mfd: exynos-lpass: Add support for clocks
mfd: exynos-lpass: Remove pad retention control
iio: adc: add support for X-Powers AXP20X and AXP22X PMICs ADCs
mfd: cpcap: Fix bad use of IRQ sense register
mfd: cpcap: Use ack_invert interrupts
...
Diffstat (limited to 'drivers/mfd/da9062-core.c')
-rw-r--r-- | drivers/mfd/da9062-core.c | 427 |
1 files changed, 410 insertions, 17 deletions
diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c index 8f873866ea60..7f5e8be0a9ea 100644 --- a/drivers/mfd/da9062-core.c +++ b/drivers/mfd/da9062-core.c @@ -1,6 +1,6 @@ /* - * Core, IRQ and I2C device driver for DA9062 PMIC - * Copyright (C) 2015 Dialog Semiconductor Ltd. + * Core, IRQ and I2C device driver for DA9061 and DA9062 PMICs + * Copyright (C) 2015-2017 Dialog Semiconductor * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -30,6 +30,70 @@ #define DA9062_REG_EVENT_B_OFFSET 1 #define DA9062_REG_EVENT_C_OFFSET 2 +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] = { @@ -102,6 +166,57 @@ static struct regmap_irq_chip da9062_irq_chip = { .ack_base = DA9062AA_EVENT_A, }; +static struct resource da9061_core_resources[] = { + DEFINE_RES_IRQ_NAMED(DA9061_IRQ_VDD_WARN, "VDD_WARN"), +}; + +static struct resource da9061_regulators_resources[] = { + DEFINE_RES_IRQ_NAMED(DA9061_IRQ_LDO_LIM, "LDO_LIM"), +}; + +static struct resource da9061_thermal_resources[] = { + DEFINE_RES_IRQ_NAMED(DA9061_IRQ_TEMP, "THERMAL"), +}; + +static struct resource da9061_wdt_resources[] = { + DEFINE_RES_IRQ_NAMED(DA9061_IRQ_WDG_WARN, "WD_WARN"), +}; + +static struct resource da9061_onkey_resources[] = { + DEFINE_RES_IRQ_NAMED(DA9061_IRQ_ONKEY, "ONKEY"), +}; + +static const struct mfd_cell da9061_devs[] = { + { + .name = "da9061-core", + .num_resources = ARRAY_SIZE(da9061_core_resources), + .resources = da9061_core_resources, + }, + { + .name = "da9062-regulators", + .num_resources = ARRAY_SIZE(da9061_regulators_resources), + .resources = da9061_regulators_resources, + }, + { + .name = "da9061-watchdog", + .num_resources = ARRAY_SIZE(da9061_wdt_resources), + .resources = da9061_wdt_resources, + .of_compatible = "dlg,da9061-watchdog", + }, + { + .name = "da9061-thermal", + .num_resources = ARRAY_SIZE(da9061_thermal_resources), + .resources = da9061_thermal_resources, + .of_compatible = "dlg,da9061-thermal", + }, + { + .name = "da9061-onkey", + .num_resources = ARRAY_SIZE(da9061_onkey_resources), + .resources = da9061_onkey_resources, + .of_compatible = "dlg,da9061-onkey", + }, +}; + static struct resource da9062_core_resources[] = { DEFINE_RES_NAMED(DA9062_IRQ_VDD_WARN, 1, "VDD_WARN", IORESOURCE_IRQ), }; @@ -200,7 +315,8 @@ static int da9062_clear_fault_log(struct da9062 *chip) static int da9062_get_device_type(struct da9062 *chip) { - int device_id, variant_id, variant_mrc; + int device_id, variant_id, variant_mrc, variant_vrc; + char *type; int ret; ret = regmap_read(chip->regmap, DA9062AA_DEVICE_ID, &device_id); @@ -219,9 +335,23 @@ static int da9062_get_device_type(struct da9062 *chip) 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)\n", - device_id, variant_id); + "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; @@ -234,6 +364,234 @@ static int da9062_get_device_type(struct da9062 *chip) return ret; } +static const struct regmap_range da9061_aa_readable_ranges[] = { + { + .range_min = DA9062AA_PAGE_CON, + .range_max = DA9062AA_STATUS_B, + }, { + .range_min = DA9062AA_STATUS_D, + .range_max = DA9062AA_EVENT_C, + }, { + .range_min = DA9062AA_IRQ_MASK_A, + .range_max = DA9062AA_IRQ_MASK_C, + }, { + .range_min = DA9062AA_CONTROL_A, + .range_max = DA9062AA_GPIO_4, + }, { + .range_min = DA9062AA_GPIO_WKUP_MODE, + .range_max = DA9062AA_GPIO_OUT3_4, + }, { + .range_min = DA9062AA_BUCK1_CONT, + .range_max = DA9062AA_BUCK4_CONT, + }, { + .range_min = DA9062AA_BUCK3_CONT, + .range_max = DA9062AA_BUCK3_CONT, + }, { + .range_min = DA9062AA_LDO1_CONT, + .range_max = DA9062AA_LDO4_CONT, + }, { + .range_min = DA9062AA_DVC_1, + .range_max = DA9062AA_DVC_1, + }, { + .range_min = DA9062AA_SEQ, + .range_max = DA9062AA_ID_4_3, + }, { + .range_min = DA9062AA_ID_12_11, + .range_max = DA9062AA_ID_16_15, + }, { + .range_min = DA9062AA_ID_22_21, + .range_max = DA9062AA_ID_32_31, + }, { + .range_min = DA9062AA_SEQ_A, + .range_max = DA9062AA_WAIT, + }, { + .range_min = DA9062AA_RESET, + .range_max = DA9062AA_BUCK_ILIM_C, + }, { + .range_min = DA9062AA_BUCK1_CFG, + .range_max = DA9062AA_BUCK3_CFG, + }, { + .range_min = DA9062AA_VBUCK1_A, + .range_max = DA9062AA_VBUCK4_A, + }, { + .range_min = DA9062AA_VBUCK3_A, + .range_max = DA9062AA_VBUCK3_A, + }, { + .range_min = DA9062AA_VLDO1_A, + .range_max = DA9062AA_VLDO4_A, + }, { + .range_min = DA9062AA_VBUCK1_B, + .range_max = DA9062AA_VBUCK4_B, + }, { + .range_min = DA9062AA_VBUCK3_B, + .range_max = DA9062AA_VBUCK3_B, + }, { + .range_min = DA9062AA_VLDO1_B, + .range_max = DA9062AA_VLDO4_B, + }, { + .range_min = DA9062AA_BBAT_CONT, + .range_max = DA9062AA_BBAT_CONT, + }, { + .range_min = DA9062AA_INTERFACE, + .range_max = DA9062AA_CONFIG_E, + }, { + .range_min = DA9062AA_CONFIG_G, + .range_max = DA9062AA_CONFIG_K, + }, { + .range_min = DA9062AA_CONFIG_M, + .range_max = DA9062AA_CONFIG_M, + }, { + .range_min = DA9062AA_GP_ID_0, + .range_max = DA9062AA_GP_ID_19, + }, { + .range_min = DA9062AA_DEVICE_ID, + .range_max = DA9062AA_CONFIG_ID, + }, +}; + +static const struct regmap_range da9061_aa_writeable_ranges[] = { + { + .range_min = DA9062AA_PAGE_CON, + .range_max = DA9062AA_PAGE_CON, + }, { + .range_min = DA9062AA_FAULT_LOG, + .range_max = DA9062AA_EVENT_C, + }, { + .range_min = DA9062AA_IRQ_MASK_A, + .range_max = DA9062AA_IRQ_MASK_C, + }, { + .range_min = DA9062AA_CONTROL_A, + .range_max = DA9062AA_GPIO_4, + }, { + .range_min = DA9062AA_GPIO_WKUP_MODE, + .range_max = DA9062AA_GPIO_OUT3_4, + }, { + .range_min = DA9062AA_BUCK1_CONT, + .range_max = DA9062AA_BUCK4_CONT, + }, { + .range_min = DA9062AA_BUCK3_CONT, + .range_max = DA9062AA_BUCK3_CONT, + }, { + .range_min = DA9062AA_LDO1_CONT, + .range_max = DA9062AA_LDO4_CONT, + }, { + .range_min = DA9062AA_DVC_1, + .range_max = DA9062AA_DVC_1, + }, { + .range_min = DA9062AA_SEQ, + .range_max = DA9062AA_ID_4_3, + }, { + .range_min = DA9062AA_ID_12_11, + .range_max = DA9062AA_ID_16_15, + }, { + .range_min = DA9062AA_ID_22_21, + .range_max = DA9062AA_ID_32_31, + }, { + .range_min = DA9062AA_SEQ_A, + .range_max = DA9062AA_WAIT, + }, { + .range_min = DA9062AA_RESET, + .range_max = DA9062AA_BUCK_ILIM_C, + }, { + .range_min = DA9062AA_BUCK1_CFG, + .range_max = DA9062AA_BUCK3_CFG, + }, { + .range_min = DA9062AA_VBUCK1_A, + .range_max = DA9062AA_VBUCK4_A, + }, { + .range_min = DA9062AA_VBUCK3_A, + .range_max = DA9062AA_VBUCK3_A, + }, { + .range_min = DA9062AA_VLDO1_A, + .range_max = DA9062AA_VLDO4_A, + }, { + .range_min = DA9062AA_VBUCK1_B, + .range_max = DA9062AA_VBUCK4_B, + }, { + .range_min = DA9062AA_VBUCK3_B, + .range_max = DA9062AA_VBUCK3_B, + }, { + .range_min = DA9062AA_VLDO1_B, + .range_max = DA9062AA_VLDO4_B, + }, { + .range_min = DA9062AA_BBAT_CONT, + .range_max = DA9062AA_BBAT_CONT, + }, { + .range_min = DA9062AA_GP_ID_0, + .range_max = DA9062AA_GP_ID_19, + }, +}; + +static const struct regmap_range da9061_aa_volatile_ranges[] = { + { + .range_min = DA9062AA_PAGE_CON, + .range_max = DA9062AA_STATUS_B, + }, { + .range_min = DA9062AA_STATUS_D, + .range_max = DA9062AA_EVENT_C, + }, { + .range_min = DA9062AA_CONTROL_A, + .range_max = DA9062AA_CONTROL_B, + }, { + .range_min = DA9062AA_CONTROL_E, + .range_max = DA9062AA_CONTROL_F, + }, { + .range_min = DA9062AA_BUCK1_CONT, + .range_max = DA9062AA_BUCK4_CONT, + }, { + .range_min = DA9062AA_BUCK3_CONT, + .range_max = DA9062AA_BUCK3_CONT, + }, { + .range_min = DA9062AA_LDO1_CONT, + .range_max = DA9062AA_LDO4_CONT, + }, { + .range_min = DA9062AA_DVC_1, + .range_max = DA9062AA_DVC_1, + }, { + .range_min = DA9062AA_SEQ, + .range_max = 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[] = { { .range_min = DA9062AA_PAGE_CON, @@ -456,17 +814,39 @@ static struct regmap_config da9062_regmap_config = { .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) { struct da9062 *chip; + const struct of_device_id *match; unsigned int irq_base; + const struct mfd_cell *cell; + const struct regmap_irq_chip *irq_chip; + const struct regmap_config *config; + int cell_num; int ret; chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL); if (!chip) return -ENOMEM; + if (i2c->dev.of_node) { + match = of_match_node(da9062_dt_ids, i2c->dev.of_node); + if (!match) + return -EINVAL; + + chip->chip_type = (uintptr_t)match->data; + } else { + chip->chip_type = id->driver_data; + } + i2c_set_clientdata(i2c, chip); chip->dev = &i2c->dev; @@ -475,7 +855,25 @@ static int da9062_i2c_probe(struct i2c_client *i2c, return -EINVAL; } - chip->regmap = devm_regmap_init_i2c(i2c, &da9062_regmap_config); + switch (chip->chip_type) { + case COMPAT_TYPE_DA9061: + cell = da9061_devs; + cell_num = ARRAY_SIZE(da9061_devs); + irq_chip = &da9061_irq_chip; + config = &da9061_regmap_config; + break; + case COMPAT_TYPE_DA9062: + cell = da9062_devs; + cell_num = ARRAY_SIZE(da9062_devs); + irq_chip = &da9062_irq_chip; + 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", @@ -493,7 +891,7 @@ static int da9062_i2c_probe(struct i2c_client *i2c, ret = regmap_add_irq_chip(chip->regmap, i2c->irq, IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED, - -1, &da9062_irq_chip, + -1, irq_chip, &chip->regmap_irq); if (ret) { dev_err(chip->dev, "Failed to request IRQ %d: %d\n", @@ -503,8 +901,8 @@ static int da9062_i2c_probe(struct i2c_client *i2c, irq_base = regmap_irq_chip_get_base(chip->regmap_irq); - ret = mfd_add_devices(chip->dev, PLATFORM_DEVID_NONE, da9062_devs, - ARRAY_SIZE(da9062_devs), NULL, irq_base, + 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"); @@ -526,17 +924,12 @@ static int da9062_i2c_remove(struct i2c_client *i2c) } static const struct i2c_device_id da9062_i2c_id[] = { - { "da9062", 0 }, + { "da9061", COMPAT_TYPE_DA9061 }, + { "da9062", COMPAT_TYPE_DA9062 }, { }, }; MODULE_DEVICE_TABLE(i2c, da9062_i2c_id); -static const struct of_device_id da9062_dt_ids[] = { - { .compatible = "dlg,da9062", }, - { } -}; -MODULE_DEVICE_TABLE(of, da9062_dt_ids); - static struct i2c_driver da9062_i2c_driver = { .driver = { .name = "da9062", @@ -549,6 +942,6 @@ static struct i2c_driver da9062_i2c_driver = { module_i2c_driver(da9062_i2c_driver); -MODULE_DESCRIPTION("Core device driver for Dialog DA9062"); +MODULE_DESCRIPTION("Core device driver for Dialog DA9061 and DA9062"); MODULE_AUTHOR("Steve Twiss <stwiss.opensource@diasemi.com>"); MODULE_LICENSE("GPL"); |