Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755562AbcJFKjA (ORCPT ); Thu, 6 Oct 2016 06:39:00 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:33863 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751681AbcJFKiv (ORCPT ); Thu, 6 Oct 2016 06:38:51 -0400 Subject: Re: [PATCH V1 01/10] mfd: da9061: MFD core support To: Steve Twiss , LINUX-KERNEL , Lee Jones References: CC: DEVICETREE , Dmitry Torokhov , Eduardo Valentin , Guenter Roeck , LINUX-INPUT , LINUX-PM , LINUX-WATCHDOG , Liam Girdwood , Mark Brown , Mark Rutland , Rob Herring , Support Opensource , Wim Van Sebroeck , Zhang Rui From: Keerthy Message-ID: <1eca0af9-64d5-7476-2847-71ecf9331395@ti.com> Date: Thu, 6 Oct 2016 16:07:40 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 22207 Lines: 742 On Thursday 06 October 2016 02:13 PM, Steve Twiss wrote: > From: Steve Twiss > > MFD support for DA9061 is provided as part of the DA9062 device driver. > > The registers header file adds two new chip variant IDs defined in DA9061 > and DA9062 hardware. The core header file adds new software enumerations > for listing the valid DA9061 IRQs and a da9062_compatible_types enumeration > for distinguishing between DA9061/62 devices in software. > > The core source code adds a new .compatible of_device_id entry. This is > extended from DA9062 to support both "dlg,da9061" and "dlg,da9062". The > .data entry now holds a reference to the enumerated device type. > > A new regmap_irq_chip model is added for DA9061 and this supports the new > list of regmap_irq entries. A new mfd_cell da9061_devs[] array lists the > new sub system components for DA9061. Support is added for a new DA9061 > regmap_config which lists the correct readble, writable and volatile /s/readble/readable > ranges for this chip. > > The probe function uses the device tree compatible string to switch on the > da9062_compatible_types and configure the correct mfd cells, irq chip and > regmap config. The regmap is initialised first, before reading the variant > ID in hardware to decide if there is a conflict between the device tree > compatible string and the hardware definition. The remainder of the MFD > is finally configured after that. > > Kconfig is updated to reflect support for DA9061 and DA9062 PMICs. > > Signed-off-by: Steve Twiss > > --- > This patch applies against linux-next and v4.8 > > Lee, > > This patch adds support for the DA9061 PMIC. This is done as part of the > existing DA9062 device driver by extending the of_device_id match table. > This in turn allows new MFD cells, irq chip and regmap definitions to > support DA9061. > > Regards, > Steve Twiss, Dialog Semiconductor Ltd. > > > drivers/mfd/Kconfig | 5 +- > drivers/mfd/da9062-core.c | 454 +++++++++++++++++++++++++++++++++-- > include/linux/mfd/da9062/core.h | 27 ++- > include/linux/mfd/da9062/registers.h | 2 + > 4 files changed, 463 insertions(+), 25 deletions(-) > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index 2d1fb64..533798a 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -236,13 +236,14 @@ config MFD_DA9055 > called "da9055" > > config MFD_DA9062 > - tristate "Dialog Semiconductor DA9062 PMIC Support" > + tristate "Dialog Semiconductor DA9062/61 PMIC Support" > select MFD_CORE > select REGMAP_I2C > select REGMAP_IRQ > depends on I2C > help > - Say yes here for support for the Dialog Semiconductor DA9062 PMIC. > + Say yes here for support for the Dialog Semiconductor DA9061 and > + DA9062 PMICs. > This includes the I2C driver and core APIs. > Additional drivers must be enabled in order to use the functionality > of the device. > diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c > index 8f873866..bfbc065 100644 > --- a/drivers/mfd/da9062-core.c > +++ b/drivers/mfd/da9062-core.c > @@ -1,5 +1,5 @@ > /* > - * Core, IRQ and I2C device driver for DA9062 PMIC > + * Core, IRQ and I2C device driver for DA9062 and DA9061 PMICs > * Copyright (C) 2015 Dialog Semiconductor Ltd. > * > * This program is free software; you can redistribute it and/or > @@ -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_NAMED(DA9061_IRQ_VDD_WARN, 1, "VDD_WARN", IORESOURCE_IRQ), > +}; > + > +static struct resource da9061_regulators_resources[] = { > + DEFINE_RES_NAMED(DA9061_IRQ_LDO_LIM, 1, "LDO_LIM", IORESOURCE_IRQ), > +}; > + > +static struct resource da9061_thermal_resources[] = { > + DEFINE_RES_NAMED(DA9061_IRQ_TEMP, 1, "THERMAL", IORESOURCE_IRQ), > +}; > + > +static struct resource da9061_wdt_resources[] = { > + DEFINE_RES_NAMED(DA9061_IRQ_WDG_WARN, 1, "WD_WARN", IORESOURCE_IRQ), > +}; > + > +static struct resource da9061_onkey_resources[] = { > + DEFINE_RES_NAMED(DA9061_IRQ_ONKEY, 1, "ONKEY", IORESOURCE_IRQ), > +}; > + > +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), > }; > @@ -142,7 +257,7 @@ static const struct mfd_cell da9062_devs[] = { > .name = "da9062-watchdog", > .num_resources = ARRAY_SIZE(da9062_wdt_resources), > .resources = da9062_wdt_resources, > - .of_compatible = "dlg,da9062-wdt", > + .of_compatible = "dlg,da9062-watchdog", Any particular reason why this compatible needs to be changed? > }, > { > .name = "da9062-thermal", > @@ -198,9 +313,10 @@ static int da9062_clear_fault_log(struct da9062 *chip) > return ret; > } > > -static int da9062_get_device_type(struct da9062 *chip) > +static int da9062_get_device_type(struct da9062 *chip, int *vrc) > { > - 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); > @@ -208,6 +324,7 @@ static int da9062_get_device_type(struct da9062 *chip) > 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; > @@ -219,9 +336,23 @@ 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; > > @@ -231,9 +362,239 @@ static int da9062_get_device_type(struct da9062 *chip) > return -ENODEV; > } > > + *vrc = variant_vrc; > + > 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 +817,39 @@ static struct regmap_config da9062_regmap_config = { > .volatile_table = &da9062_aa_volatile_table, > }; > > +static const struct of_device_id da9062_dt_ids[] = { > + { .compatible = "dlg,da9062", .data = (void *)COMPAT_TYPE_DA9062, }, > + { .compatible = "dlg,da9061", .data = (void *)COMPAT_TYPE_DA9061, }, WARNING: DT compatible string "dlg,da9061" appears un-documented -- check ./Documentation/devicetree/bindings/ #622: FILE: drivers/mfd/da9062-core.c:822: + { .compatible = "dlg,da9061", .data = (void *)COMPAT_TYPE_DA9061, }, Might want to re-order patches so that you have the compatibles documented before usage > + { } > +}; > +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; No need of cell_num. > + int variant_vrc; > 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 = (int)match->data; > + } else > + chip->chip_type = id->driver_data; > + > i2c_set_clientdata(i2c, chip); > chip->dev = &i2c->dev; > > @@ -475,7 +858,25 @@ 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); No need of the above assignment > + irq_chip = &da9061_irq_chip; > + config = &da9061_regmap_config; > + break; > + case(COMPAT_TYPE_DA9062): > + cell = da9062_devs; > + cell_num = ARRAY_SIZE(da9062_devs); No need of the above assignment > + 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", > @@ -483,17 +884,31 @@ static int da9062_i2c_probe(struct i2c_client *i2c, > return ret; > } > > + ret = da9062_get_device_type(chip, &variant_vrc); > + if (ret) > + return ret; > + > + if (chip->chip_type == COMPAT_TYPE_DA9061 && > + variant_vrc != DA9062_PMIC_VARIANT_VRC_DA9061) { > + dev_err(chip->dev, > + "Expected DA9061 type mismatch with hardware"); > + return -ENODEV; > + } > + > + if (chip->chip_type == COMPAT_TYPE_DA9062 && > + variant_vrc != DA9062_PMIC_VARIANT_VRC_DA9062) { > + dev_err(chip->dev, > + "Expected DA9062 type mismatch with hardware"); > + return -ENODEV; > + } > + > 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; > - > 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 +918,8 @@ 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, Use ARRAY_SIZE(cell) instead if cell_num > NULL); > if (ret) { > dev_err(chip->dev, "Cannot register child devices\n"); > @@ -526,17 +941,12 @@ static int da9062_i2c_remove(struct i2c_client *i2c) > } > > static const struct i2c_device_id da9062_i2c_id[] = { > - { "da9062", 0 }, > + { "da9062", COMPAT_TYPE_DA9062 }, > + { "da9061", COMPAT_TYPE_DA9061 }, > { }, > }; > 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 +959,6 @@ 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 DA9062 and DA9061"); > MODULE_AUTHOR("Steve Twiss "); > MODULE_LICENSE("GPL"); > diff --git a/include/linux/mfd/da9062/core.h b/include/linux/mfd/da9062/core.h > index 376ba84..199c524 100644 > --- a/include/linux/mfd/da9062/core.h > +++ b/include/linux/mfd/da9062/core.h > @@ -18,7 +18,31 @@ > #include > #include > > -/* Interrupts */ > +enum da9062_compatible_types { > + COMPAT_TYPE_DA9061 = 1, > + COMPAT_TYPE_DA9062, > +}; > + > +enum da9061_irqs { > + /* IRQ A */ > + DA9061_IRQ_ONKEY, > + DA9061_IRQ_WDG_WARN, > + DA9061_IRQ_SEQ_RDY, > + /* IRQ B*/ > + DA9061_IRQ_TEMP, > + DA9061_IRQ_LDO_LIM, > + DA9061_IRQ_DVC_RDY, > + DA9061_IRQ_VDD_WARN, > + /* IRQ C */ > + DA9061_IRQ_GPI0, > + DA9061_IRQ_GPI1, > + DA9061_IRQ_GPI2, > + DA9061_IRQ_GPI3, > + DA9061_IRQ_GPI4, > + > + DA9061_NUM_IRQ, > +}; > + > enum da9062_irqs { > /* IRQ A */ > DA9062_IRQ_ONKEY, > @@ -45,6 +69,7 @@ struct da9062 { > struct device *dev; > struct regmap *regmap; > struct regmap_irq_chip_data *regmap_irq; > + enum da9062_compatible_types chip_type; > }; > > #endif /* __MFD_DA9062_CORE_H__ */ > diff --git a/include/linux/mfd/da9062/registers.h b/include/linux/mfd/da9062/registers.h > index 97790d1..4457fdc 100644 > --- a/include/linux/mfd/da9062/registers.h > +++ b/include/linux/mfd/da9062/registers.h > @@ -18,6 +18,8 @@ > > #define DA9062_PMIC_DEVICE_ID 0x62 > #define DA9062_PMIC_VARIANT_MRC_AA 0x01 > +#define DA9062_PMIC_VARIANT_VRC_DA9061 0x01 > +#define DA9062_PMIC_VARIANT_VRC_DA9062 0x02 > > #define DA9062_I2C_PAGE_SEL_SHIFT 1 > > Regards, Keerthy