diff options
Diffstat (limited to 'drivers/mfd')
69 files changed, 1513 insertions, 460 deletions
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c index eaf9845633b4..a30e47b74327 100644 --- a/drivers/mfd/88pm800.c +++ b/drivers/mfd/88pm800.c @@ -583,7 +583,7 @@ out_init: return ret; } -static int pm800_remove(struct i2c_client *client) +static void pm800_remove(struct i2c_client *client) { struct pm80x_chip *chip = i2c_get_clientdata(client); @@ -592,8 +592,6 @@ static int pm800_remove(struct i2c_client *client) pm800_pages_exit(chip); pm80x_deinit(); - - return 0; } static struct i2c_driver pm800_driver = { diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c index ada6c513302b..10d3637840c8 100644 --- a/drivers/mfd/88pm805.c +++ b/drivers/mfd/88pm805.c @@ -239,7 +239,7 @@ out_init: return ret; } -static int pm805_remove(struct i2c_client *client) +static void pm805_remove(struct i2c_client *client) { struct pm80x_chip *chip = i2c_get_clientdata(client); @@ -247,8 +247,6 @@ static int pm805_remove(struct i2c_client *client) device_irq_exit_805(chip); pm80x_deinit(); - - return 0; } static struct i2c_driver pm805_driver = { diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c index b1e829ea909b..5dc86dd66202 100644 --- a/drivers/mfd/88pm860x-core.c +++ b/drivers/mfd/88pm860x-core.c @@ -1201,7 +1201,7 @@ static int pm860x_probe(struct i2c_client *client) return 0; } -static int pm860x_remove(struct i2c_client *client) +static void pm860x_remove(struct i2c_client *client) { struct pm860x_chip *chip = i2c_get_clientdata(client); @@ -1210,7 +1210,6 @@ static int pm860x_remove(struct i2c_client *client) regmap_exit(chip->regmap_companion); i2c_unregister_device(chip->companion); } - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index abb58ab1a1a4..8b93856de432 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -589,8 +589,8 @@ config LPC_SCH config INTEL_SOC_PMIC bool "Support for Crystal Cove PMIC" - depends on ACPI && HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK - depends on X86 || COMPILE_TEST + depends on HAS_IOMEM && I2C=y && GPIOLIB && COMMON_CLK + depends on (X86 && ACPI) || COMPILE_TEST depends on I2C_DESIGNWARE_PLATFORM=y select MFD_CORE select REGMAP_I2C @@ -938,6 +938,22 @@ config MFD_MT6360 PMIC part includes 2-channel BUCKs and 2-channel LDOs LDO part includes 4-channel LDOs +config MFD_MT6370 + tristate "MediaTek MT6370 SubPMIC" + select MFD_CORE + select REGMAP_I2C + select REGMAP_IRQ + depends on I2C + help + Say Y here to enable MT6370 SubPMIC functional support. + It consists of a single cell battery charger with ADC monitoring, RGB + LEDs, dual channel flashlight, WLED backlight driver, display bias + voltage supply, one general purpose LDO, and the USB Type-C & PD + controller complies with the latest USB Type-C and PD standards. + + This driver can also be built as a module. If so, the module + will be called "mt6370". + config MFD_MT6397 tristate "MediaTek MT6397 PMIC Support" select MFD_CORE @@ -963,6 +979,27 @@ config MFD_MENF21BMC This driver can also be built as a module. If so the module will be called menf21bmc. +config MFD_OCELOT + tristate "Microsemi Ocelot External Control Support" + depends on SPI_MASTER + select MFD_CORE + select REGMAP_SPI + help + Ocelot is a family of networking chips that support multiple ethernet + and fibre interfaces. In addition to networking, they contain several + other functions, including pinctrl, MDIO, and communication with + external chips. While some chips have an internal processor capable of + running an OS, others don't. All chips can be controlled externally + through different interfaces, including SPI, I2C, and PCIe. + + Say yes here to add support for Ocelot chips (VSC7511, VSC7512, + VSC7513, VSC7514) controlled externally. + + To compile this driver as a module, choose M here: the module will be + called ocelot-soc. + + If unsure, say N. + config EZX_PCAP bool "Motorola EZXPCAP Support" depends on SPI_MASTER @@ -1096,6 +1133,16 @@ config MFD_SPMI_PMIC Say M here if you want to include support for the SPMI PMIC series as a module. The module will be called "qcom-spmi-pmic". +config MFD_SY7636A + tristate "Silergy SY7636A voltage regulator" + depends on I2C + select MFD_SIMPLE_MFD_I2C + help + Enable support for Silergy SY7636A voltage regulator. + + To enable support for building sub-devices as modules, + choose M here. + config MFD_RDC321X tristate "RDC R-321x southbridge" select MFD_CORE @@ -1128,6 +1175,18 @@ config MFD_RT5033 sub-devices like charger, fuel gauge, flash LED, current source, LDO and Buck. +config MFD_RT5120 + tristate "Richtek RT5120 Power Management IC" + depends on I2C + select MFD_CORE + select REGMAP_I2C + select REGMAP_IRQ + help + The enables support for Richtek RT5120 PMIC. It includes four high + efficiency buck converters and one LDO voltage regulator. The device + is targeted at providing the CPU voltage, memory, I/O and peripheral + power rails in home entertainment devices. + config MFD_RC5T583 bool "Ricoh RC5T583 Power Management system device" depends on I2C=y @@ -1203,7 +1262,7 @@ config MFD_SI476X_CORE module will be called si476x-core. config MFD_SIMPLE_MFD_I2C - tristate "Simple Multi-Functional Device support (I2C)" + tristate depends on I2C select MFD_CORE select REGMAP_I2C diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 858cacf659d6..7ed3ef4a698c 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -120,6 +120,9 @@ obj-$(CONFIG_MFD_MC13XXX_I2C) += mc13xxx-i2c.o obj-$(CONFIG_MFD_CORE) += mfd-core.o +ocelot-soc-objs := ocelot-core.o ocelot-spi.o +obj-$(CONFIG_MFD_OCELOT) += ocelot-soc.o + obj-$(CONFIG_EZX_PCAP) += ezx-pcap.o obj-$(CONFIG_MFD_CPCAP) += motorola-cpcap.o @@ -172,6 +175,11 @@ obj-$(CONFIG_MFD_MAX8998) += max8998.o max8998-irq.o obj-$(CONFIG_MFD_MP2629) += mp2629.o +obj-$(CONFIG_MFD_MT6360) += mt6360-core.o +obj-$(CONFIG_MFD_MT6370) += mt6370.o +mt6397-objs := mt6397-core.o mt6397-irq.o mt6358-irq.o +obj-$(CONFIG_MFD_MT6397) += mt6397.o + pcf50633-objs := pcf50633-core.o pcf50633-irq.o obj-$(CONFIG_MFD_PCF50633) += pcf50633.o obj-$(CONFIG_PCF50633_ADC) += pcf50633-adc.o @@ -234,16 +242,13 @@ obj-$(CONFIG_MFD_HI655X_PMIC) += hi655x-pmic.o obj-$(CONFIG_MFD_DLN2) += dln2.o obj-$(CONFIG_MFD_RT4831) += rt4831.o obj-$(CONFIG_MFD_RT5033) += rt5033.o +obj-$(CONFIG_MFD_RT5120) += rt5120.o obj-$(CONFIG_MFD_SKY81452) += sky81452.o -intel-soc-pmic-objs := intel_soc_pmic_core.o intel_soc_pmic_crc.o -obj-$(CONFIG_INTEL_SOC_PMIC) += intel-soc-pmic.o +obj-$(CONFIG_INTEL_SOC_PMIC) += intel_soc_pmic_crc.o obj-$(CONFIG_INTEL_SOC_PMIC_BXTWC) += intel_soc_pmic_bxtwc.o obj-$(CONFIG_INTEL_SOC_PMIC_CHTWC) += intel_soc_pmic_chtwc.o obj-$(CONFIG_INTEL_SOC_PMIC_CHTDC_TI) += intel_soc_pmic_chtdc_ti.o -obj-$(CONFIG_MFD_MT6360) += mt6360-core.o -mt6397-objs := mt6397-core.o mt6397-irq.o mt6358-irq.o -obj-$(CONFIG_MFD_MT6397) += mt6397.o obj-$(CONFIG_INTEL_SOC_PMIC_MRFLD) += intel_soc_pmic_mrfld.o obj-$(CONFIG_MFD_ALTERA_A10SR) += altera-a10sr.o diff --git a/drivers/mfd/acer-ec-a500.c b/drivers/mfd/acer-ec-a500.c index 80c2fdd14fc4..7fd8b9988075 100644 --- a/drivers/mfd/acer-ec-a500.c +++ b/drivers/mfd/acer-ec-a500.c @@ -169,7 +169,7 @@ static int a500_ec_probe(struct i2c_client *client) return 0; } -static int a500_ec_remove(struct i2c_client *client) +static void a500_ec_remove(struct i2c_client *client) { if (of_device_is_system_power_controller(client->dev.of_node)) { if (pm_power_off == a500_ec_poweroff) @@ -177,8 +177,6 @@ static int a500_ec_remove(struct i2c_client *client) unregister_restart_handler(&a500_ec_restart_handler); } - - return 0; } static const struct of_device_id a500_ec_match[] = { diff --git a/drivers/mfd/arizona-i2c.c b/drivers/mfd/arizona-i2c.c index 6d83e6b9a692..bfc7cf56ff2c 100644 --- a/drivers/mfd/arizona-i2c.c +++ b/drivers/mfd/arizona-i2c.c @@ -84,13 +84,11 @@ static int arizona_i2c_probe(struct i2c_client *i2c, return arizona_dev_init(arizona); } -static int arizona_i2c_remove(struct i2c_client *i2c) +static void arizona_i2c_remove(struct i2c_client *i2c) { struct arizona *arizona = dev_get_drvdata(&i2c->dev); arizona_dev_exit(arizona); - - return 0; } static const struct i2c_device_id arizona_i2c_id[] = { diff --git a/drivers/mfd/axp20x-i2c.c b/drivers/mfd/axp20x-i2c.c index 00ab48018d8d..8fd6727dc30a 100644 --- a/drivers/mfd/axp20x-i2c.c +++ b/drivers/mfd/axp20x-i2c.c @@ -50,13 +50,11 @@ static int axp20x_i2c_probe(struct i2c_client *i2c, return axp20x_device_probe(axp20x); } -static int axp20x_i2c_remove(struct i2c_client *i2c) +static void axp20x_i2c_remove(struct i2c_client *i2c) { struct axp20x_dev *axp20x = i2c_get_clientdata(i2c); axp20x_device_remove(axp20x); - - return 0; } #ifdef CONFIG_OF diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c index a818fbb55988..3f8f6ad3a98c 100644 --- a/drivers/mfd/da903x.c +++ b/drivers/mfd/da903x.c @@ -532,12 +532,11 @@ static int da903x_probe(struct i2c_client *client, return da903x_add_subdevs(chip, pdata); } -static int da903x_remove(struct i2c_client *client) +static void da903x_remove(struct i2c_client *client) { struct da903x_chip *chip = i2c_get_clientdata(client); da903x_remove_subdevs(chip); - return 0; } static struct i2c_driver da903x_driver = { diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c index 8de93db35f3a..5a74696c8704 100644 --- a/drivers/mfd/da9052-i2c.c +++ b/drivers/mfd/da9052-i2c.c @@ -168,12 +168,11 @@ static int da9052_i2c_probe(struct i2c_client *client, return da9052_device_init(da9052, id->driver_data); } -static int da9052_i2c_remove(struct i2c_client *client) +static void da9052_i2c_remove(struct i2c_client *client) { struct da9052 *da9052 = i2c_get_clientdata(client); da9052_device_exit(da9052); - return 0; } static struct i2c_driver da9052_i2c_driver = { diff --git a/drivers/mfd/da9055-i2c.c b/drivers/mfd/da9055-i2c.c index bc60433b68db..276c7d1c509e 100644 --- a/drivers/mfd/da9055-i2c.c +++ b/drivers/mfd/da9055-i2c.c @@ -41,13 +41,11 @@ static int da9055_i2c_probe(struct i2c_client *i2c, return da9055_device_init(da9055); } -static int da9055_i2c_remove(struct i2c_client *i2c) +static void da9055_i2c_remove(struct i2c_client *i2c) { struct da9055 *da9055 = i2c_get_clientdata(i2c); da9055_device_exit(da9055); - - return 0; } /* diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c index 2774b2cbaea6..a26e473507c7 100644 --- a/drivers/mfd/da9062-core.c +++ b/drivers/mfd/da9062-core.c @@ -453,6 +453,7 @@ static const struct regmap_range da9061_aa_writeable_ranges[] = { 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), }; @@ -723,14 +724,12 @@ static int da9062_i2c_probe(struct i2c_client *i2c, return ret; } -static int da9062_i2c_remove(struct i2c_client *i2c) +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); - - return 0; } static const struct i2c_device_id da9062_i2c_id[] = { diff --git a/drivers/mfd/da9150-core.c b/drivers/mfd/da9150-core.c index 58009c8cb870..6ae56e46d24e 100644 --- a/drivers/mfd/da9150-core.c +++ b/drivers/mfd/da9150-core.c @@ -471,15 +471,13 @@ regmap_irq_fail: return ret; } -static int da9150_remove(struct i2c_client *client) +static void da9150_remove(struct i2c_client *client) { struct da9150 *da9150 = i2c_get_clientdata(client); regmap_del_irq_chip(da9150->irq, da9150->regmap_irq_data); mfd_remove_devices(da9150->dev); i2c_unregister_device(da9150->core_qif); - - return 0; } static void da9150_shutdown(struct i2c_client *client) diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c index 54fb6cbd2aa0..759c59690680 100644 --- a/drivers/mfd/dm355evm_msp.c +++ b/drivers/mfd/dm355evm_msp.c @@ -375,11 +375,10 @@ static void dm355evm_power_off(void) dm355evm_command(MSP_COMMAND_POWEROFF); } -static int dm355evm_msp_remove(struct i2c_client *client) +static void dm355evm_msp_remove(struct i2c_client *client) { pm_power_off = NULL; msp430 = NULL; - return 0; } static int diff --git a/drivers/mfd/ene-kb3930.c b/drivers/mfd/ene-kb3930.c index 1b73318d1f1f..3eff98e26bea 100644 --- a/drivers/mfd/ene-kb3930.c +++ b/drivers/mfd/ene-kb3930.c @@ -177,7 +177,7 @@ static int kb3930_probe(struct i2c_client *client) return 0; } -static int kb3930_remove(struct i2c_client *client) +static void kb3930_remove(struct i2c_client *client) { struct kb3930 *ddata = i2c_get_clientdata(client); @@ -187,8 +187,6 @@ static int kb3930_remove(struct i2c_client *client) unregister_restart_handler(&kb3930_restart_nb); } kb3930_power_off = NULL; - - return 0; } static const struct of_device_id kb3930_dt_ids[] = { diff --git a/drivers/mfd/fsl-imx25-tsadc.c b/drivers/mfd/fsl-imx25-tsadc.c index 37e5e02a1d05..823595bcc9b7 100644 --- a/drivers/mfd/fsl-imx25-tsadc.c +++ b/drivers/mfd/fsl-imx25-tsadc.c @@ -69,7 +69,7 @@ static int mx25_tsadc_setup_irq(struct platform_device *pdev, int irq; irq = platform_get_irq(pdev, 0); - if (irq <= 0) + if (irq < 0) return irq; tsadc->domain = irq_domain_add_simple(np, 2, 0, &mx25_tsadc_domain_ops, @@ -84,6 +84,19 @@ static int mx25_tsadc_setup_irq(struct platform_device *pdev, return 0; } +static int mx25_tsadc_unset_irq(struct platform_device *pdev) +{ + struct mx25_tsadc *tsadc = platform_get_drvdata(pdev); + int irq = platform_get_irq(pdev, 0); + + if (irq >= 0) { + irq_set_chained_handler_and_data(irq, NULL, NULL); + irq_domain_remove(tsadc->domain); + } + + return 0; +} + static void mx25_tsadc_setup_clk(struct platform_device *pdev, struct mx25_tsadc *tsadc) { @@ -171,18 +184,21 @@ static int mx25_tsadc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, tsadc); - return devm_of_platform_populate(dev); + ret = devm_of_platform_populate(dev); + if (ret) + goto err_irq; + + return 0; + +err_irq: + mx25_tsadc_unset_irq(pdev); + + return ret; } static int mx25_tsadc_remove(struct platform_device *pdev) { - struct mx25_tsadc *tsadc = platform_get_drvdata(pdev); - int irq = platform_get_irq(pdev, 0); - - if (irq) { - irq_set_chained_handler_and_data(irq, NULL, NULL); - irq_domain_remove(tsadc->domain); - } + mx25_tsadc_unset_irq(pdev); return 0; } diff --git a/drivers/mfd/gateworks-gsc.c b/drivers/mfd/gateworks-gsc.c index d87876747b91..9d7d870c44a8 100644 --- a/drivers/mfd/gateworks-gsc.c +++ b/drivers/mfd/gateworks-gsc.c @@ -255,11 +255,9 @@ static int gsc_probe(struct i2c_client *client) return 0; } -static int gsc_remove(struct i2c_client *client) +static void gsc_remove(struct i2c_client *client) { sysfs_remove_group(&client->dev.kobj, &attr_group); - - return 0; } static struct i2c_driver gsc_driver = { diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c index 417b0355d904..b45b1346ab54 100644 --- a/drivers/mfd/htc-i2cpld.c +++ b/drivers/mfd/htc-i2cpld.c @@ -20,7 +20,9 @@ #include <linux/irq.h> #include <linux/spinlock.h> #include <linux/htcpld.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> +#include <linux/gpio/machine.h> +#include <linux/gpio/consumer.h> #include <linux/slab.h> struct htcpld_chip { @@ -58,8 +60,8 @@ struct htcpld_data { uint irq_start; int nirqs; uint chained_irq; - unsigned int int_reset_gpio_hi; - unsigned int int_reset_gpio_lo; + struct gpio_desc *int_reset_gpio_hi; + struct gpio_desc *int_reset_gpio_lo; /* htcpld info */ struct htcpld_chip *chip; @@ -196,9 +198,9 @@ static irqreturn_t htcpld_handler(int irq, void *dev) * be asserted. */ if (htcpld->int_reset_gpio_hi) - gpio_set_value(htcpld->int_reset_gpio_hi, 1); + gpiod_set_value(htcpld->int_reset_gpio_hi, 1); if (htcpld->int_reset_gpio_lo) - gpio_set_value(htcpld->int_reset_gpio_lo, 0); + gpiod_set_value(htcpld->int_reset_gpio_lo, 0); return IRQ_HANDLED; } @@ -352,7 +354,7 @@ static int htcpld_register_chip_i2c( memset(&info, 0, sizeof(struct i2c_board_info)); info.addr = plat_chip_data->addr; - strlcpy(info.type, "htcpld-chip", I2C_NAME_SIZE); + strscpy(info.type, "htcpld-chip", I2C_NAME_SIZE); info.platform_data = chip; /* Add the I2C device. This calls the probe() function. */ @@ -562,34 +564,28 @@ static int htcpld_core_probe(struct platform_device *pdev) return ret; /* Request the GPIO(s) for the int reset and set them up */ - if (pdata->int_reset_gpio_hi) { - ret = gpio_request(pdata->int_reset_gpio_hi, "htcpld-core"); - if (ret) { - /* - * If it failed, that sucks, but we can probably - * continue on without it. - */ - dev_warn(dev, "Unable to request int_reset_gpio_hi -- interrupts may not work\n"); - htcpld->int_reset_gpio_hi = 0; - } else { - htcpld->int_reset_gpio_hi = pdata->int_reset_gpio_hi; - gpio_set_value(htcpld->int_reset_gpio_hi, 1); - } + htcpld->int_reset_gpio_hi = gpiochip_request_own_desc(&htcpld->chip[2].chip_out, + 7, "htcpld-core", GPIO_ACTIVE_HIGH, + GPIOD_OUT_HIGH); + if (IS_ERR(htcpld->int_reset_gpio_hi)) { + /* + * If it failed, that sucks, but we can probably + * continue on without it. + */ + htcpld->int_reset_gpio_hi = NULL; + dev_warn(dev, "Unable to request int_reset_gpio_hi -- interrupts may not work\n"); } - if (pdata->int_reset_gpio_lo) { - ret = gpio_request(pdata->int_reset_gpio_lo, "htcpld-core"); - if (ret) { - /* - * If it failed, that sucks, but we can probably - * continue on without it. - */ - dev_warn(dev, "Unable to request int_reset_gpio_lo -- interrupts may not work\n"); - htcpld->int_reset_gpio_lo = 0; - } else { - htcpld->int_reset_gpio_lo = pdata->int_reset_gpio_lo; - gpio_set_value(htcpld->int_reset_gpio_lo, 0); - } + htcpld->int_reset_gpio_lo = gpiochip_request_own_desc(&htcpld->chip[2].chip_out, + 0, "htcpld-core", GPIO_ACTIVE_HIGH, + GPIOD_OUT_LOW); + if (IS_ERR(htcpld->int_reset_gpio_lo)) { + /* + * If it failed, that sucks, but we can probably + * continue on without it. + */ + htcpld->int_reset_gpio_lo = NULL; + dev_warn(dev, "Unable to request int_reset_gpio_lo -- interrupts may not work\n"); } dev_info(dev, "Initialized successfully\n"); diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index bb08b7a73fe1..dde31c50a632 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -14,6 +14,7 @@ #include <linux/pci.h> #include <linux/pm_runtime.h> #include <linux/property.h> +#include <linux/pxa2xx_ssp.h> #include "intel-lpss.h" @@ -73,8 +74,18 @@ static void intel_lpss_pci_remove(struct pci_dev *pdev) static INTEL_LPSS_PM_OPS(intel_lpss_pci_pm_ops); +static const struct property_entry spt_spi_properties[] = { + PROPERTY_ENTRY_U32("intel,spi-pxa2xx-type", LPSS_SPT_SSP), + { } +}; + +static const struct software_node spt_spi_node = { + .properties = spt_spi_properties, +}; + static const struct intel_lpss_platform_info spt_info = { .clk_rate = 120000000, + .swnode = &spt_spi_node, }; static const struct property_entry spt_i2c_properties[] = { @@ -108,8 +119,18 @@ static const struct intel_lpss_platform_info spt_uart_info = { .swnode = &uart_node, }; +static const struct property_entry bxt_spi_properties[] = { + PROPERTY_ENTRY_U32("intel,spi-pxa2xx-type", LPSS_BXT_SSP), + { } +}; + +static const struct software_node bxt_spi_node = { + .properties = bxt_spi_properties, +}; + static const struct intel_lpss_platform_info bxt_info = { .clk_rate = 100000000, + .swnode = &bxt_spi_node, }; static const struct intel_lpss_platform_info bxt_uart_info = { @@ -166,6 +187,20 @@ static const struct intel_lpss_platform_info glk_i2c_info = { .swnode = &glk_i2c_node, }; +static const struct property_entry cnl_spi_properties[] = { + PROPERTY_ENTRY_U32("intel,spi-pxa2xx-type", LPSS_CNL_SSP), + { } +}; + +static const struct software_node cnl_spi_node = { + .properties = cnl_spi_properties, +}; + +static const struct intel_lpss_platform_info cnl_info = { + .clk_rate = 120000000, + .swnode = &cnl_spi_node, +}; + static const struct intel_lpss_platform_info cnl_i2c_info = { .clk_rate = 216000000, .swnode = &spt_i2c_node, @@ -176,12 +211,26 @@ static const struct intel_lpss_platform_info ehl_i2c_info = { .swnode = &bxt_i2c_node, }; +static const struct property_entry tgl_spi_properties[] = { + PROPERTY_ENTRY_U32("intel,spi-pxa2xx-type", LPSS_CNL_SSP), + { } +}; + +static const struct software_node tgl_spi_node = { + .properties = tgl_spi_properties, +}; + +static const struct intel_lpss_platform_info tgl_info = { + .clk_rate = 100000000, + .swnode = &tgl_spi_node, +}; + static const struct pci_device_id intel_lpss_pci_ids[] = { /* CML-LP */ { PCI_VDEVICE(INTEL, 0x02a8), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x02a9), (kernel_ulong_t)&spt_uart_info }, - { PCI_VDEVICE(INTEL, 0x02aa), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x02ab), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x02aa), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0x02ab), (kernel_ulong_t)&cnl_info }, { PCI_VDEVICE(INTEL, 0x02c5), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02c6), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02c7), (kernel_ulong_t)&spt_uart_info }, @@ -189,18 +238,18 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x02e9), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02ea), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x02eb), (kernel_ulong_t)&cnl_i2c_info }, - { PCI_VDEVICE(INTEL, 0x02fb), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x02fb), (kernel_ulong_t)&cnl_info }, /* CML-H */ { PCI_VDEVICE(INTEL, 0x06a8), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x06a9), (kernel_ulong_t)&spt_uart_info }, - { PCI_VDEVICE(INTEL, 0x06aa), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x06ab), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x06aa), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0x06ab), (kernel_ulong_t)&cnl_info }, { PCI_VDEVICE(INTEL, 0x06c7), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x06e8), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x06e9), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x06ea), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x06eb), (kernel_ulong_t)&cnl_i2c_info }, - { PCI_VDEVICE(INTEL, 0x06fb), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x06fb), (kernel_ulong_t)&cnl_info }, /* BXT A-Step */ { PCI_VDEVICE(INTEL, 0x0aac), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x0aae), (kernel_ulong_t)&bxt_i2c_info }, @@ -255,8 +304,8 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { /* ICL-LP */ { PCI_VDEVICE(INTEL, 0x34a8), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x34a9), (kernel_ulong_t)&spt_uart_info }, - { PCI_VDEVICE(INTEL, 0x34aa), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x34ab), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x34aa), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0x34ab), (kernel_ulong_t)&cnl_info }, { PCI_VDEVICE(INTEL, 0x34c5), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34c6), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34c7), (kernel_ulong_t)&spt_uart_info }, @@ -264,15 +313,15 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x34e9), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34ea), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x34eb), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x34fb), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x34fb), (kernel_ulong_t)&cnl_info }, /* ICL-N */ { PCI_VDEVICE(INTEL, 0x38a8), (kernel_ulong_t)&spt_uart_info }, /* TGL-H */ { PCI_VDEVICE(INTEL, 0x43a7), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x43a8), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x43a9), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0x43aa), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x43ab), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x43aa), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x43ab), (kernel_ulong_t)&tgl_info }, { PCI_VDEVICE(INTEL, 0x43ad), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x43ae), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x43d8), (kernel_ulong_t)&bxt_i2c_info }, @@ -281,8 +330,8 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x43e9), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x43ea), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x43eb), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x43fb), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x43fd), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x43fb), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x43fd), (kernel_ulong_t)&tgl_info }, /* EHL */ { PCI_VDEVICE(INTEL, 0x4b28), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x4b29), (kernel_ulong_t)&bxt_uart_info }, @@ -301,8 +350,8 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { /* JSL */ { PCI_VDEVICE(INTEL, 0x4da8), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x4da9), (kernel_ulong_t)&spt_uart_info }, - { PCI_VDEVICE(INTEL, 0x4daa), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x4dab), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x4daa), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0x4dab), (kernel_ulong_t)&cnl_info }, { PCI_VDEVICE(INTEL, 0x4dc5), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4dc6), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4dc7), (kernel_ulong_t)&spt_uart_info }, @@ -310,12 +359,12 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x4de9), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4dea), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x4deb), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x4dfb), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x4dfb), (kernel_ulong_t)&cnl_info }, /* ADL-P */ { PCI_VDEVICE(INTEL, 0x51a8), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x51a9), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0x51aa), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x51ab), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x51aa), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x51ab), (kernel_ulong_t)&tgl_info }, { PCI_VDEVICE(INTEL, 0x51c5), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x51c6), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x51c7), (kernel_ulong_t)&bxt_uart_info }, @@ -325,12 +374,12 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x51e9), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x51ea), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x51eb), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x51fb), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x51fb), (kernel_ulong_t)&tgl_info }, /* ADL-M */ { PCI_VDEVICE(INTEL, 0x54a8), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x54a9), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0x54aa), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x54ab), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x54aa), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x54ab), (kernel_ulong_t)&tgl_info }, { PCI_VDEVICE(INTEL, 0x54c5), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x54c6), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x54c7), (kernel_ulong_t)&bxt_uart_info }, @@ -338,7 +387,7 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x54e9), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x54ea), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x54eb), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x54fb), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x54fb), (kernel_ulong_t)&tgl_info }, /* APL */ { PCI_VDEVICE(INTEL, 0x5aac), (kernel_ulong_t)&apl_i2c_info }, { PCI_VDEVICE(INTEL, 0x5aae), (kernel_ulong_t)&apl_i2c_info }, @@ -358,39 +407,39 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { /* RPL-S */ { PCI_VDEVICE(INTEL, 0x7a28), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x7a29), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0x7a2a), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x7a2b), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x7a2a), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x7a2b), (kernel_ulong_t)&tgl_info }, { PCI_VDEVICE(INTEL, 0x7a4c), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7a4d), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7a4e), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7a4f), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7a5c), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0x7a79), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x7a7b), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x7a79), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x7a7b), (kernel_ulong_t)&tgl_info }, { PCI_VDEVICE(INTEL, 0x7a7c), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7a7d), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7a7e), (kernel_ulong_t)&bxt_uart_info }, /* ADL-S */ { PCI_VDEVICE(INTEL, 0x7aa8), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x7aa9), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0x7aaa), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x7aab), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x7aaa), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x7aab), (kernel_ulong_t)&tgl_info }, { PCI_VDEVICE(INTEL, 0x7acc), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7acd), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7ace), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7acf), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7adc), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0x7af9), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x7afb), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x7af9), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x7afb), (kernel_ulong_t)&tgl_info }, { PCI_VDEVICE(INTEL, 0x7afc), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7afd), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7afe), (kernel_ulong_t)&bxt_uart_info }, /* MTL-P */ { PCI_VDEVICE(INTEL, 0x7e25), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x7e26), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0x7e27), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x7e30), (kernel_ulong_t)&bxt_info }, - { PCI_VDEVICE(INTEL, 0x7e46), (kernel_ulong_t)&bxt_info }, + { PCI_VDEVICE(INTEL, 0x7e27), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x7e30), (kernel_ulong_t)&tgl_info }, + { PCI_VDEVICE(INTEL, 0x7e46), (kernel_ulong_t)&tgl_info }, { PCI_VDEVICE(INTEL, 0x7e50), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7e51), (kernel_ulong_t)&bxt_i2c_info }, { PCI_VDEVICE(INTEL, 0x7e52), (kernel_ulong_t)&bxt_uart_info }, @@ -424,8 +473,8 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { /* CNL-LP */ { PCI_VDEVICE(INTEL, 0x9da8), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x9da9), (kernel_ulong_t)&spt_uart_info }, - { PCI_VDEVICE(INTEL, 0x9daa), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x9dab), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9daa), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0x9dab), (kernel_ulong_t)&cnl_info }, { PCI_VDEVICE(INTEL, 0x9dc5), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9dc6), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9dc7), (kernel_ulong_t)&spt_uart_info }, @@ -433,12 +482,12 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x9de9), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9dea), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0x9deb), (kernel_ulong_t)&cnl_i2c_info }, - { PCI_VDEVICE(INTEL, 0x9dfb), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9dfb), (kernel_ulong_t)&cnl_info }, /* TGL-LP */ { PCI_VDEVICE(INTEL, 0xa0a8), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0a9), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0xa0aa), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0xa0ab), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa0aa), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0xa0ab), (kernel_ulong_t)&cnl_info }, { PCI_VDEVICE(INTEL, 0xa0c5), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0c6), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0c7), (kernel_ulong_t)&bxt_uart_info }, @@ -448,15 +497,15 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0xa0db), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0dc), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0xa0dd), (kernel_ulong_t)&bxt_uart_info }, - { PCI_VDEVICE(INTEL, 0xa0de), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0xa0df), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa0de), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0xa0df), (kernel_ulong_t)&cnl_info }, { PCI_VDEVICE(INTEL, 0xa0e8), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0e9), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0ea), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa0eb), (kernel_ulong_t)&spt_i2c_info }, - { PCI_VDEVICE(INTEL, 0xa0fb), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0xa0fd), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0xa0fe), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa0fb), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0xa0fd), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0xa0fe), (kernel_ulong_t)&cnl_info }, /* SPT-H */ { PCI_VDEVICE(INTEL, 0xa127), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa128), (kernel_ulong_t)&spt_uart_info }, @@ -479,14 +528,14 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { /* CNL-H */ { PCI_VDEVICE(INTEL, 0xa328), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa329), (kernel_ulong_t)&spt_uart_info }, - { PCI_VDEVICE(INTEL, 0xa32a), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0xa32b), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa32a), (kernel_ulong_t)&cnl_info }, + { PCI_VDEVICE(INTEL, 0xa32b), (kernel_ulong_t)&cnl_info }, { PCI_VDEVICE(INTEL, 0xa347), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa368), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0xa369), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0xa36a), (kernel_ulong_t)&cnl_i2c_info }, { PCI_VDEVICE(INTEL, 0xa36b), (kernel_ulong_t)&cnl_i2c_info }, - { PCI_VDEVICE(INTEL, 0xa37b), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa37b), (kernel_ulong_t)&cnl_info }, /* CML-V */ { PCI_VDEVICE(INTEL, 0xa3a7), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa3a8), (kernel_ulong_t)&spt_uart_info }, diff --git a/drivers/mfd/intel-m10-bmc.c b/drivers/mfd/intel-m10-bmc.c index f4d0d72573c8..7e3319e5b22f 100644 --- a/drivers/mfd/intel-m10-bmc.c +++ b/drivers/mfd/intel-m10-bmc.c @@ -21,6 +21,7 @@ enum m10bmc_type { static struct mfd_cell m10bmc_d5005_subdevs[] = { { .name = "d5005bmc-hwmon" }, + { .name = "d5005bmc-sec-update" } }; static struct mfd_cell m10bmc_pacn3000_subdevs[] = { diff --git a/drivers/mfd/intel_soc_pmic_chtdc_ti.c b/drivers/mfd/intel_soc_pmic_chtdc_ti.c index 1c7577b881ff..282b8fd08009 100644 --- a/drivers/mfd/intel_soc_pmic_chtdc_ti.c +++ b/drivers/mfd/intel_soc_pmic_chtdc_ti.c @@ -140,7 +140,7 @@ static void chtdc_ti_shutdown(struct i2c_client *i2c) disable_irq(pmic->irq); } -static int __maybe_unused chtdc_ti_suspend(struct device *dev) +static int chtdc_ti_suspend(struct device *dev) { struct intel_soc_pmic *pmic = dev_get_drvdata(dev); @@ -149,7 +149,7 @@ static int __maybe_unused chtdc_ti_suspend(struct device *dev) return 0; } -static int __maybe_unused chtdc_ti_resume(struct device *dev) +static int chtdc_ti_resume(struct device *dev) { struct intel_soc_pmic *pmic = dev_get_drvdata(dev); @@ -158,7 +158,7 @@ static int __maybe_unused chtdc_ti_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(chtdc_ti_pm_ops, chtdc_ti_suspend, chtdc_ti_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(chtdc_ti_pm_ops, chtdc_ti_suspend, chtdc_ti_resume); static const struct acpi_device_id chtdc_ti_acpi_ids[] = { { "INT33F5" }, @@ -169,7 +169,7 @@ MODULE_DEVICE_TABLE(acpi, chtdc_ti_acpi_ids); static struct i2c_driver chtdc_ti_i2c_driver = { .driver = { .name = "intel_soc_pmic_chtdc_ti", - .pm = &chtdc_ti_pm_ops, + .pm = pm_sleep_ptr(&chtdc_ti_pm_ops), .acpi_match_table = chtdc_ti_acpi_ids, }, .probe_new = chtdc_ti_probe, diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c deleted file mode 100644 index 5e8c94e008ed..000000000000 --- a/drivers/mfd/intel_soc_pmic_core.c +++ /dev/null @@ -1,160 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Intel SoC PMIC MFD Driver - * - * Copyright (C) 2013, 2014 Intel Corporation. All rights reserved. - * - * Author: Yang, Bin <bin.yang@intel.com> - * Author: Zhu, Lejun <lejun.zhu@linux.intel.com> - */ - -#include <linux/acpi.h> -#include <linux/i2c.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/mfd/core.h> -#include <linux/mfd/intel_soc_pmic.h> -#include <linux/platform_data/x86/soc.h> -#include <linux/pwm.h> -#include <linux/regmap.h> - -#include "intel_soc_pmic_core.h" - -/* PWM consumed by the Intel GFX */ -static struct pwm_lookup crc_pwm_lookup[] = { - PWM_LOOKUP("crystal_cove_pwm", 0, "0000:00:02.0", "pwm_pmic_backlight", 0, PWM_POLARITY_NORMAL), -}; - -static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *i2c_id) -{ - struct device *dev = &i2c->dev; - struct intel_soc_pmic_config *config; - struct intel_soc_pmic *pmic; - int ret; - - if (soc_intel_is_byt()) - config = &intel_soc_pmic_config_byt_crc; - else - config = &intel_soc_pmic_config_cht_crc; - - pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL); - if (!pmic) - return -ENOMEM; - - dev_set_drvdata(dev, pmic); - - pmic->regmap = devm_regmap_init_i2c(i2c, config->regmap_config); - if (IS_ERR(pmic->regmap)) - return PTR_ERR(pmic->regmap); - - pmic->irq = i2c->irq; - - ret = regmap_add_irq_chip(pmic->regmap, pmic->irq, - config->irq_flags | IRQF_ONESHOT, - 0, config->irq_chip, - &pmic->irq_chip_data); - if (ret) - return ret; - - ret = enable_irq_wake(pmic->irq); - if (ret) - dev_warn(dev, "Can't enable IRQ as wake source: %d\n", ret); - - /* Add lookup table for crc-pwm */ - pwm_add_table(crc_pwm_lookup, ARRAY_SIZE(crc_pwm_lookup)); - - /* To distuingish this domain from the GPIO/charger's irqchip domains */ - irq_domain_update_bus_token(regmap_irq_get_domain(pmic->irq_chip_data), - DOMAIN_BUS_NEXUS); - - ret = mfd_add_devices(dev, -1, config->cell_dev, - config->n_cell_devs, NULL, 0, - regmap_irq_get_domain(pmic->irq_chip_data)); - if (ret) - goto err_del_irq_chip; - - return 0; - -err_del_irq_chip: - regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data); - return ret; -} - -static int intel_soc_pmic_i2c_remove(struct i2c_client *i2c) -{ - struct intel_soc_pmic *pmic = dev_get_drvdata(&i2c->dev); - - regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data); - - /* remove crc-pwm lookup table */ - pwm_remove_table(crc_pwm_lookup, ARRAY_SIZE(crc_pwm_lookup)); - - mfd_remove_devices(&i2c->dev); - - return 0; -} - -static void intel_soc_pmic_shutdown(struct i2c_client *i2c) -{ - struct intel_soc_pmic *pmic = dev_get_drvdata(&i2c->dev); - - disable_irq(pmic->irq); - - return; -} - -#if defined(CONFIG_PM_SLEEP) -static int intel_soc_pmic_suspend(struct device *dev) -{ - struct intel_soc_pmic *pmic = dev_get_drvdata(dev); - - disable_irq(pmic->irq); - - return 0; -} - -static int intel_soc_pmic_resume(struct device *dev) -{ - struct intel_soc_pmic *pmic = dev_get_drvdata(dev); - - enable_irq(pmic->irq); - - return 0; -} -#endif - -static SIMPLE_DEV_PM_OPS(intel_soc_pmic_pm_ops, intel_soc_pmic_suspend, - intel_soc_pmic_resume); - -static const struct i2c_device_id intel_soc_pmic_i2c_id[] = { - { } -}; -MODULE_DEVICE_TABLE(i2c, intel_soc_pmic_i2c_id); - -#if defined(CONFIG_ACPI) -static const struct acpi_device_id intel_soc_pmic_acpi_match[] = { - { "INT33FD" }, - { }, -}; -MODULE_DEVICE_TABLE(acpi, intel_soc_pmic_acpi_match); -#endif - -static struct i2c_driver intel_soc_pmic_i2c_driver = { - .driver = { - .name = "intel_soc_pmic_i2c", - .pm = &intel_soc_pmic_pm_ops, - .acpi_match_table = ACPI_PTR(intel_soc_pmic_acpi_match), - }, - .probe = intel_soc_pmic_i2c_probe, - .remove = intel_soc_pmic_i2c_remove, - .id_table = intel_soc_pmic_i2c_id, - .shutdown = intel_soc_pmic_shutdown, -}; - -module_i2c_driver(intel_soc_pmic_i2c_driver); - -MODULE_DESCRIPTION("I2C driver for Intel SoC PMIC"); -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Yang, Bin <bin.yang@intel.com>"); -MODULE_AUTHOR("Zhu, Lejun <lejun.zhu@linux.intel.com>"); diff --git a/drivers/mfd/intel_soc_pmic_core.h b/drivers/mfd/intel_soc_pmic_core.h deleted file mode 100644 index d490685845eb..000000000000 --- a/drivers/mfd/intel_soc_pmic_core.h +++ /dev/null @@ -1,25 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Intel SoC PMIC MFD Driver - * - * Copyright (C) 2012-2014 Intel Corporation. All rights reserved. - * - * Author: Yang, Bin <bin.yang@intel.com> - * Author: Zhu, Lejun <lejun.zhu@linux.intel.com> - */ - -#ifndef __INTEL_SOC_PMIC_CORE_H__ -#define __INTEL_SOC_PMIC_CORE_H__ - -struct intel_soc_pmic_config { - unsigned long irq_flags; - struct mfd_cell *cell_dev; - int n_cell_devs; - const struct regmap_config *regmap_config; - const struct regmap_irq_chip *irq_chip; -}; - -extern struct intel_soc_pmic_config intel_soc_pmic_config_byt_crc; -extern struct intel_soc_pmic_config intel_soc_pmic_config_cht_crc; - -#endif /* __INTEL_SOC_PMIC_CORE_H__ */ diff --git a/drivers/mfd/intel_soc_pmic_crc.c b/drivers/mfd/intel_soc_pmic_crc.c index 5bb0367bd974..b1548a933dc3 100644 --- a/drivers/mfd/intel_soc_pmic_crc.c +++ b/drivers/mfd/intel_soc_pmic_crc.c @@ -2,18 +2,21 @@ /* * Device access for Crystal Cove PMIC * - * Copyright (C) 2013, 2014 Intel Corporation. All rights reserved. + * Copyright (C) 2012-2014, 2022 Intel Corporation. All rights reserved. * * Author: Yang, Bin <bin.yang@intel.com> * Author: Zhu, Lejun <lejun.zhu@linux.intel.com> */ +#include <linux/i2c.h> #include <linux/interrupt.h> -#include <linux/regmap.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> #include <linux/mfd/core.h> #include <linux/mfd/intel_soc_pmic.h> - -#include "intel_soc_pmic_core.h" +#include <linux/platform_data/x86/soc.h> +#include <linux/pwm.h> +#include <linux/regmap.h> #define CRYSTAL_COVE_MAX_REGISTER 0xC6 @@ -132,7 +135,20 @@ static const struct regmap_irq_chip crystal_cove_irq_chip = { .mask_base = CRYSTAL_COVE_REG_MIRQLVL1, }; -struct intel_soc_pmic_config intel_soc_pmic_config_byt_crc = { +/* PWM consumed by the Intel GFX */ +static struct pwm_lookup crc_pwm_lookup[] = { + PWM_LOOKUP("crystal_cove_pwm", 0, "0000:00:02.0", "pwm_pmic_backlight", 0, PWM_POLARITY_NORMAL), +}; + +struct crystal_cove_config { + unsigned long irq_flags; + struct mfd_cell *cell_dev; + int n_cell_devs; + const struct regmap_config *regmap_config; + const struct regmap_irq_chip *irq_chip; +}; + +static const struct crystal_cove_config crystal_cove_config_byt_crc = { .irq_flags = IRQF_TRIGGER_RISING, .cell_dev = crystal_cove_byt_dev, .n_cell_devs = ARRAY_SIZE(crystal_cove_byt_dev), @@ -140,10 +156,121 @@ struct intel_soc_pmic_config intel_soc_pmic_config_byt_crc = { .irq_chip = &crystal_cove_irq_chip, }; -struct intel_soc_pmic_config intel_soc_pmic_config_cht_crc = { +static const struct crystal_cove_config crystal_cove_config_cht_crc = { .irq_flags = IRQF_TRIGGER_RISING, .cell_dev = crystal_cove_cht_dev, .n_cell_devs = ARRAY_SIZE(crystal_cove_cht_dev), .regmap_config = &crystal_cove_regmap_config, .irq_chip = &crystal_cove_irq_chip, }; + +static int crystal_cove_i2c_probe(struct i2c_client *i2c) +{ + const struct crystal_cove_config *config; + struct device *dev = &i2c->dev; + struct intel_soc_pmic *pmic; + int ret; + + if (soc_intel_is_byt()) + config = &crystal_cove_config_byt_crc; + else + config = &crystal_cove_config_cht_crc; + + pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL); + if (!pmic) + return -ENOMEM; + + i2c_set_clientdata(i2c, pmic); + + pmic->regmap = devm_regmap_init_i2c(i2c, config->regmap_config); + if (IS_ERR(pmic->regmap)) + return PTR_ERR(pmic->regmap); + + pmic->irq = i2c->irq; + + ret = devm_regmap_add_irq_chip(dev, pmic->regmap, pmic->irq, + config->irq_flags | IRQF_ONESHOT, + 0, config->irq_chip, &pmic->irq_chip_data); + if (ret) + return ret; + + ret = enable_irq_wake(pmic->irq); + if (ret) + dev_warn(dev, "Can't enable IRQ as wake source: %d\n", ret); + + /* Add lookup table for crc-pwm */ + pwm_add_table(crc_pwm_lookup, ARRAY_SIZE(crc_pwm_lookup)); + + /* To distuingish this domain from the GPIO/charger's irqchip domains */ + irq_domain_update_bus_token(regmap_irq_get_domain(pmic->irq_chip_data), + DOMAIN_BUS_NEXUS); + + ret = mfd_add_devices(dev, PLATFORM_DEVID_NONE, config->cell_dev, + config->n_cell_devs, NULL, 0, + regmap_irq_get_domain(pmic->irq_chip_data)); + if (ret) + pwm_remove_table(crc_pwm_lookup, ARRAY_SIZE(crc_pwm_lookup)); + + return ret; +} + +static void crystal_cove_i2c_remove(struct i2c_client *i2c) +{ + /* remove crc-pwm lookup table */ + pwm_remove_table(crc_pwm_lookup, ARRAY_SIZE(crc_pwm_lookup)); + + mfd_remove_devices(&i2c->dev); +} + +static void crystal_cove_shutdown(struct i2c_client *i2c) +{ + struct intel_soc_pmic *pmic = i2c_get_clientdata(i2c); + + disable_irq(pmic->irq); + + return; +} + +static int crystal_cove_suspend(struct device *dev) +{ + struct intel_soc_pmic *pmic = dev_get_drvdata(dev); + + disable_irq(pmic->irq); + + return 0; +} + +static int crystal_cove_resume(struct device *dev) +{ + struct intel_soc_pmic *pmic = dev_get_drvdata(dev); + + enable_irq(pmic->irq); + + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(crystal_cove_pm_ops, crystal_cove_suspend, crystal_cove_resume); + +static const struct acpi_device_id crystal_cove_acpi_match[] = { + { "INT33FD" }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, crystal_cove_acpi_match); + +static struct i2c_driver crystal_cove_i2c_driver = { + .driver = { + .name = "crystal_cove_i2c", + .pm = pm_sleep_ptr(&crystal_cove_pm_ops), + .acpi_match_table = crystal_cove_acpi_match, + }, + .probe_new = crystal_cove_i2c_probe, + .remove = crystal_cove_i2c_remove, + .shutdown = crystal_cove_shutdown, +}; + +module_i2c_driver(crystal_cove_i2c_driver); + +MODULE_DESCRIPTION("I2C driver for Intel SoC PMIC"); +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Yang, Bin <bin.yang@intel.com>"); +MODULE_AUTHOR("Zhu, Lejun <lejun.zhu@linux.intel.com>"); diff --git a/drivers/mfd/iqs62x.c b/drivers/mfd/iqs62x.c index 575ab67e243d..1895fce25b06 100644 --- a/drivers/mfd/iqs62x.c +++ b/drivers/mfd/iqs62x.c @@ -1008,13 +1008,11 @@ static int iqs62x_probe(struct i2c_client *client) return ret; } -static int iqs62x_remove(struct i2c_client *client) +static void iqs62x_remove(struct i2c_client *client) { struct iqs62x_core *iqs62x = i2c_get_clientdata(client); wait_for_completion(&iqs62x->fw_done); - - return 0; } static int __maybe_unused iqs62x_suspend(struct device *dev) diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c index 5690768f3e63..be32ffc5af38 100644 --- a/drivers/mfd/lm3533-core.c +++ b/drivers/mfd/lm3533-core.c @@ -607,15 +607,13 @@ static int lm3533_i2c_probe(struct i2c_client *i2c, return lm3533_device_init(lm3533); } -static int lm3533_i2c_remove(struct i2c_client *i2c) +static void lm3533_i2c_remove(struct i2c_client *i2c) { struct lm3533 *lm3533 = i2c_get_clientdata(i2c); dev_dbg(&i2c->dev, "%s\n", __func__); lm3533_device_exit(lm3533); - - return 0; } static const struct i2c_device_id lm3533_i2c_ids[] = { diff --git a/drivers/mfd/lp8788-irq.c b/drivers/mfd/lp8788-irq.c index 348439a3fbbd..39006297f3d2 100644 --- a/drivers/mfd/lp8788-irq.c +++ b/drivers/mfd/lp8788-irq.c @@ -175,6 +175,7 @@ int lp8788_irq_init(struct lp8788 *lp, int irq) IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "lp8788-irq", irqd); if (ret) { + irq_domain_remove(lp->irqdm); dev_err(lp->dev, "failed to create a thread for IRQ_N\n"); return ret; } @@ -188,4 +189,6 @@ void lp8788_irq_exit(struct lp8788 *lp) { if (lp->irq) free_irq(lp->irq, lp->irqdm); + if (lp->irqdm) + irq_domain_remove(lp->irqdm); } diff --git a/drivers/mfd/lp8788.c b/drivers/mfd/lp8788.c index c223d2c6a363..724a5712b36b 100644 --- a/drivers/mfd/lp8788.c +++ b/drivers/mfd/lp8788.c @@ -195,17 +195,24 @@ static int lp8788_probe(struct i2c_client *cl, const struct i2c_device_id *id) if (ret) return ret; - return mfd_add_devices(lp->dev, -1, lp8788_devs, - ARRAY_SIZE(lp8788_devs), NULL, 0, NULL); + ret = mfd_add_devices(lp->dev, -1, lp8788_devs, + ARRAY_SIZE(lp8788_devs), NULL, 0, NULL); + if (ret) + goto err_exit_irq; + + return 0; + +err_exit_irq: + lp8788_irq_exit(lp); + return ret; } -static int lp8788_remove(struct i2c_client *cl) +static void lp8788_remove(struct i2c_client *cl) { struct lp8788 *lp = i2c_get_clientdata(cl); mfd_remove_devices(lp->dev); lp8788_irq_exit(lp); - return 0; } static const struct i2c_device_id lp8788_ids[] = { diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c index 650951f89f1c..7b1c597b6879 100644 --- a/drivers/mfd/lpc_ich.c +++ b/drivers/mfd/lpc_ich.c @@ -959,7 +959,7 @@ static int lpc_ich_finalize_wdt_cell(struct pci_dev *dev) info = &lpc_chipset_info[priv->chipset]; pdata->version = info->iTCO_version; - strlcpy(pdata->name, info->name, sizeof(pdata->name)); + strscpy(pdata->name, info->name, sizeof(pdata->name)); cell->platform_data = pdata; cell->pdata_size = sizeof(*pdata); diff --git a/drivers/mfd/madera-i2c.c b/drivers/mfd/madera-i2c.c index 7df5b9ba5855..915d2f95bad3 100644 --- a/drivers/mfd/madera-i2c.c +++ b/drivers/mfd/madera-i2c.c @@ -112,13 +112,11 @@ static int madera_i2c_probe(struct i2c_client *i2c, return madera_dev_init(madera); } -static int madera_i2c_remove(struct i2c_client *i2c) +static void madera_i2c_remove(struct i2c_client *i2c) { struct madera *madera = dev_get_drvdata(&i2c->dev); madera_dev_exit(madera); - - return 0; } static const struct i2c_device_id madera_i2c_id[] = { diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c index 6c487fa14e9c..d44ad6f33742 100644 --- a/drivers/mfd/max14577.c +++ b/drivers/mfd/max14577.c @@ -463,7 +463,7 @@ err_max77836: return ret; } -static int max14577_i2c_remove(struct i2c_client *i2c) +static void max14577_i2c_remove(struct i2c_client *i2c) { struct max14577 *max14577 = i2c_get_clientdata(i2c); @@ -471,8 +471,6 @@ static int max14577_i2c_remove(struct i2c_client *i2c) regmap_del_irq_chip(max14577->irq, max14577->irq_data); if (max14577->dev_type == MAXIM_DEVICE_TYPE_MAX77836) max77836_remove(max14577); - - return 0; } static const struct i2c_device_id max14577_i2c_id[] = { diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c index 4e6244e17559..7088cb6f9174 100644 --- a/drivers/mfd/max77693.c +++ b/drivers/mfd/max77693.c @@ -294,7 +294,7 @@ err_i2c_haptic: return ret; } -static int max77693_i2c_remove(struct i2c_client *i2c) +static void max77693_i2c_remove(struct i2c_client *i2c) { struct max77693_dev *max77693 = i2c_get_clientdata(i2c); @@ -307,8 +307,6 @@ static int max77693_i2c_remove(struct i2c_client *i2c) i2c_unregister_device(max77693->i2c_muic); i2c_unregister_device(max77693->i2c_haptic); - - return 0; } static const struct i2c_device_id max77693_i2c_id[] = { diff --git a/drivers/mfd/max8907.c b/drivers/mfd/max8907.c index 41f566e6a096..c340080971ce 100644 --- a/drivers/mfd/max8907.c +++ b/drivers/mfd/max8907.c @@ -282,7 +282,7 @@ err_alloc_drvdata: return ret; } -static int max8907_i2c_remove(struct i2c_client *i2c) +static void max8907_i2c_remove(struct i2c_client *i2c) { struct max8907 *max8907 = i2c_get_clientdata(i2c); @@ -293,8 +293,6 @@ static int max8907_i2c_remove(struct i2c_client *i2c) regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_chg); i2c_unregister_device(max8907->i2c_rtc); - - return 0; } #ifdef CONFIG_OF diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c index 114e905bef25..04101da42bd3 100644 --- a/drivers/mfd/max8925-i2c.c +++ b/drivers/mfd/max8925-i2c.c @@ -198,14 +198,13 @@ static int max8925_probe(struct i2c_client *client, return 0; } -static int max8925_remove(struct i2c_client *client) +static void max8925_remove(struct i2c_client *client) { struct max8925_chip *chip = i2c_get_clientdata(client); max8925_device_exit(chip); i2c_unregister_device(chip->adc); i2c_unregister_device(chip->rtc); - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mfd/mc13xxx-i2c.c b/drivers/mfd/mc13xxx-i2c.c index fb937f66277e..eb94f3004cf3 100644 --- a/drivers/mfd/mc13xxx-i2c.c +++ b/drivers/mfd/mc13xxx-i2c.c @@ -85,10 +85,9 @@ static int mc13xxx_i2c_probe(struct i2c_client *client, return mc13xxx_common_init(&client->dev); } -static int mc13xxx_i2c_remove(struct i2c_client *client) +static void mc13xxx_i2c_remove(struct i2c_client *client) { mc13xxx_common_exit(&client->dev); - return 0; } static struct i2c_driver mc13xxx_i2c_driver = { diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c index 07e0ca2e467c..eb08f69001f9 100644 --- a/drivers/mfd/menelaus.c +++ b/drivers/mfd/menelaus.c @@ -1222,14 +1222,13 @@ fail: return err; } -static int menelaus_remove(struct i2c_client *client) +static void menelaus_remove(struct i2c_client *client) { struct menelaus_chip *menelaus = i2c_get_clientdata(client); free_irq(client->irq, menelaus); flush_work(&menelaus->work); the_menelaus = NULL; - return 0; } static const struct i2c_device_id menelaus_id[] = { diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 8b058200d5ad..16d1861e9682 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -105,7 +105,7 @@ static void mfd_acpi_add_device(const struct mfd_cell *cell, .ids = ids, }; - strlcpy(ids[0].id, match->pnpid, sizeof(ids[0].id)); + strscpy(ids[0].id, match->pnpid, sizeof(ids[0].id)); acpi_dev_for_each_child(parent, match_device_ids, &wd); adev = wd.adev; } else { @@ -368,6 +368,7 @@ static int mfd_remove_devices_fn(struct device *dev, void *data) { struct platform_device *pdev; const struct mfd_cell *cell; + struct mfd_of_node_entry *of_entry, *tmp; int *level = data; if (dev->type != &mfd_dev_type) @@ -382,6 +383,12 @@ static int mfd_remove_devices_fn(struct device *dev, void *data) if (cell->swnode) device_remove_software_node(&pdev->dev); + list_for_each_entry_safe(of_entry, tmp, &mfd_of_node_list, list) + if (of_entry->dev == &pdev->dev) { + list_del(&of_entry->list); + kfree(of_entry); + } + regulator_bulk_unregister_supply_alias(dev, cell->parent_supplies, cell->num_parent_supplies); diff --git a/drivers/mfd/mt6370.c b/drivers/mfd/mt6370.c new file mode 100644 index 000000000000..cf19cce2fdc0 --- /dev/null +++ b/drivers/mfd/mt6370.c @@ -0,0 +1,312 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2022 Richtek Technology Corp. + * + * Author: ChiYuan Huang <cy_huang@richtek.com> + */ + +#include <linux/bits.h> +#include <linux/bitfield.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/mfd/core.h> +#include <linux/module.h> +#include <linux/regmap.h> + +#include "mt6370.h" + +#define MT6370_REG_DEV_INFO 0x100 +#define MT6370_REG_CHG_IRQ1 0x1C0 +#define MT6370_REG_CHG_MASK1 0x1E0 +#define MT6370_REG_MAXADDR 0x1FF + +#define MT6370_VENID_MASK GENMASK(7, 4) + +#define MT6370_NUM_IRQREGS 16 +#define MT6370_USBC_I2CADDR 0x4E +#define MT6370_MAX_ADDRLEN 2 + +#define MT6370_VENID_RT5081 0x8 +#define MT6370_VENID_RT5081A 0xA +#define MT6370_VENID_MT6370 0xE +#define MT6370_VENID_MT6371 0xF +#define MT6370_VENID_MT6372P 0x9 +#define MT6370_VENID_MT6372CP 0xB + +static const struct regmap_irq mt6370_irqs[] = { + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DIRCHGON, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_TREG, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_AICR, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_MIVR, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_PWR_RDY, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FL_CHG_VINOVP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_VSYSUV, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_VSYSOV, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_VBATOV, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_VINOVPCHG, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_TS_BAT_COLD, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_TS_BAT_COOL, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_TS_BAT_WARM, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_TS_BAT_HOT, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_TS_STATC, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_FAULT, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_STATC, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_TMR, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_BATABS, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_ADPBAD, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_RVP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_TSHUTDOWN, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_IINMEAS, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_ICCMEAS, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHGDET_DONE, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_WDTMR, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_SSFINISH, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_RECHG, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_TERM, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHG_IEOC, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_ADC_DONE, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_PUMPX_DONE, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_BST_BATUV, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_BST_MIDOV, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_BST_OLP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_ATTACH, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DETACH, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_HVDCP_STPDONE, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_HVDCP_VBUSDET_DONE, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_HVDCP_DET, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_CHGDET, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DCDT, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DIRCHG_VGOK, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DIRCHG_WDTMR, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DIRCHG_UC, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DIRCHG_OC, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DIRCHG_OV, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_OVPCTRL_SWON, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_OVPCTRL_UVP_D, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_OVPCTRL_UVP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_OVPCTRL_OVP_D, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_OVPCTRL_OVP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED_STRBPIN, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED_TORPIN, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED_TX, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED_LVF, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED2_SHORT, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED1_SHORT, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED2_STRB, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED1_STRB, 8), + REGMAP_IRQ_REG_LINE(mT6370_IRQ_FLED2_STRB_TO, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED1_STRB_TO, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED2_TOR, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_FLED1_TOR, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_OTP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_VDDA_OVP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_VDDA_UV, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_LDO_OC, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_BLED_OCP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_BLED_OVP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DSV_VNEG_OCP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DSV_VPOS_OCP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DSV_BST_OCP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DSV_VNEG_SCP, 8), + REGMAP_IRQ_REG_LINE(MT6370_IRQ_DSV_VPOS_SCP, 8), +}; + +static const struct regmap_irq_chip mt6370_irq_chip = { + .name = "mt6370-irqs", + .status_base = MT6370_REG_CHG_IRQ1, + .mask_base = MT6370_REG_CHG_MASK1, + .num_regs = MT6370_NUM_IRQREGS, + .irqs = mt6370_irqs, + .num_irqs = ARRAY_SIZE(mt6370_irqs), +}; + +static const struct resource mt6370_regulator_irqs[] = { + DEFINE_RES_IRQ_NAMED(MT6370_IRQ_DSV_VPOS_SCP, "db_vpos_scp"), + DEFINE_RES_IRQ_NAMED(MT6370_IRQ_DSV_VNEG_SCP, "db_vneg_scp"), + DEFINE_RES_IRQ_NAMED(MT6370_IRQ_DSV_BST_OCP, "db_vbst_ocp"), + DEFINE_RES_IRQ_NAMED(MT6370_IRQ_DSV_VPOS_OCP, "db_vpos_ocp"), + DEFINE_RES_IRQ_NAMED(MT6370_IRQ_DSV_VNEG_OCP, "db_vneg_ocp"), + DEFINE_RES_IRQ_NAMED(MT6370_IRQ_LDO_OC, "ldo_oc"), +}; + +static const struct mfd_cell mt6370_devices[] = { + MFD_CELL_OF("mt6370-adc", + NULL, NULL, 0, 0, "mediatek,mt6370-adc"), + MFD_CELL_OF("mt6370-charger", + NULL, NULL, 0, 0, "mediatek,mt6370-charger"), + MFD_CELL_OF("mt6370-flashlight", + NULL, NULL, 0, 0, "mediatek,mt6370-flashlight"), + MFD_CELL_OF("mt6370-indicator", + NULL, NULL, 0, 0, "mediatek,mt6370-indicator"), + MFD_CELL_OF("mt6370-tcpc", + NULL, NULL, 0, 0, "mediatek,mt6370-tcpc"), + MFD_CELL_RES("mt6370-regulator", mt6370_regulator_irqs), +}; + +static const struct mfd_cell mt6370_exclusive_devices[] = { + MFD_CELL_OF("mt6370-backlight", + NULL, NULL, 0, 0, "mediatek,mt6370-backlight"), +}; + +static const struct mfd_cell mt6372_exclusive_devices[] = { + MFD_CELL_OF("mt6370-backlight", + NULL, NULL, 0, 0, "mediatek,mt6372-backlight"), +}; + +static int mt6370_check_vendor_info(struct device *dev, struct regmap *rmap, + int *vid) +{ + unsigned int devinfo; + int ret; + + ret = regmap_read(rmap, MT6370_REG_DEV_INFO, &devinfo); + if (ret) + return ret; + + *vid = FIELD_GET(MT6370_VENID_MASK, devinfo); + switch (*vid) { + case MT6370_VENID_RT5081: + case MT6370_VENID_RT5081A: + case MT6370_VENID_MT6370: + case MT6370_VENID_MT6371: + case MT6370_VENID_MT6372P: + case MT6370_VENID_MT6372CP: + return 0; + default: + dev_err(dev, "Unknown Vendor ID 0x%02x\n", devinfo); + return -ENODEV; + } +} + +static int mt6370_regmap_read(void *context, const void *reg_buf, + size_t reg_size, void *val_buf, size_t val_size) +{ + struct mt6370_info *info = context; + const u8 *u8_buf = reg_buf; + u8 bank_idx, bank_addr; + int ret; + + bank_idx = u8_buf[0]; + bank_addr = u8_buf[1]; + + ret = i2c_smbus_read_i2c_block_data(info->i2c[bank_idx], bank_addr, + val_size, val_buf); + if (ret < 0) + return ret; + + if (ret != val_size) + return -EIO; + + return 0; +} + +static int mt6370_regmap_write(void *context, const void *data, size_t count) +{ + struct mt6370_info *info = context; + const u8 *u8_buf = data; + u8 bank_idx, bank_addr; + int len = count - MT6370_MAX_ADDRLEN; + + bank_idx = u8_buf[0]; + bank_addr = u8_buf[1]; + + return i2c_smbus_write_i2c_block_data(info->i2c[bank_idx], bank_addr, + len, data + MT6370_MAX_ADDRLEN); +} + +static const struct regmap_bus mt6370_regmap_bus = { + .read = mt6370_regmap_read, + .write = mt6370_regmap_write, +}; + +static const struct regmap_config mt6370_regmap_config = { + .reg_bits = 16, + .val_bits = 8, + .reg_format_endian = REGMAP_ENDIAN_BIG, + .max_register = MT6370_REG_MAXADDR, +}; + +static int mt6370_probe(struct i2c_client *i2c) +{ + struct mt6370_info *info; + struct i2c_client *usbc_i2c; + struct regmap *regmap; + struct device *dev = &i2c->dev; + int ret, vid; + + info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + usbc_i2c = devm_i2c_new_dummy_device(dev, i2c->adapter, + MT6370_USBC_I2CADDR); + if (IS_ERR(usbc_i2c)) + return dev_err_probe(dev, PTR_ERR(usbc_i2c), + "Failed to register USBC I2C client\n"); + + /* Assign I2C client for PMU and TypeC */ + info->i2c[MT6370_PMU_I2C] = i2c; + info->i2c[MT6370_USBC_I2C] = usbc_i2c; + + regmap = devm_regmap_init(dev, &mt6370_regmap_bus, + info, &mt6370_regmap_config); + if (IS_ERR(regmap)) + return dev_err_probe(dev, PTR_ERR(regmap), + "Failed to init regmap\n"); + + ret = mt6370_check_vendor_info(dev, regmap, &vid); + if (ret) + return dev_err_probe(dev, ret, "Failed to check vendor info\n"); + + ret = devm_regmap_add_irq_chip(dev, regmap, i2c->irq, + IRQF_ONESHOT, -1, &mt6370_irq_chip, + &info->irq_data); + if (ret) + return dev_err_probe(dev, ret, "Failed to add irq chip\n"); + + switch (vid) { + case MT6370_VENID_MT6372P: + case MT6370_VENID_MT6372CP: + ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, + mt6372_exclusive_devices, + ARRAY_SIZE(mt6372_exclusive_devices), + NULL, 0, + regmap_irq_get_domain(info->irq_data)); + break; + default: + ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, + mt6370_exclusive_devices, + ARRAY_SIZE(mt6370_exclusive_devices), + NULL, 0, + regmap_irq_get_domain(info->irq_data)); + break; + } + + if (ret) + return dev_err_probe(dev, ret, "Failed to add the exclusive devices\n"); + + return devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, + mt6370_devices, ARRAY_SIZE(mt6370_devices), + NULL, 0, + regmap_irq_get_domain(info->irq_data)); +} + +static const struct of_device_id mt6370_match_table[] = { + { .compatible = "mediatek,mt6370" }, + {} +}; +MODULE_DEVICE_TABLE(of, mt6370_match_table); + +static struct i2c_driver mt6370_driver = { + .driver = { + .name = "mt6370", + .of_match_table = mt6370_match_table, + }, + .probe_new = mt6370_probe, +}; +module_i2c_driver(mt6370_driver); + +MODULE_AUTHOR("ChiYuan Huang <cy_huang@richtek.com>"); +MODULE_DESCRIPTION("MediaTek MT6370 SubPMIC Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/mt6370.h b/drivers/mfd/mt6370.h new file mode 100644 index 000000000000..094e59e4af4e --- /dev/null +++ b/drivers/mfd/mt6370.h @@ -0,0 +1,99 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2022 Richtek Technology Corp. + * + * Author: ChiYuan Huang <cy_huang@richtek.com> + */ + +#ifndef __MFD_MT6370_H__ +#define __MFD_MT6370_H__ + +/* IRQ definitions */ +#define MT6370_IRQ_DIRCHGON 0 +#define MT6370_IRQ_CHG_TREG 4 +#define MT6370_IRQ_CHG_AICR 5 +#define MT6370_IRQ_CHG_MIVR 6 +#define MT6370_IRQ_PWR_RDY 7 +#define MT6370_IRQ_FL_CHG_VINOVP 11 +#define MT6370_IRQ_CHG_VSYSUV 12 +#define MT6370_IRQ_CHG_VSYSOV 13 +#define MT6370_IRQ_CHG_VBATOV 14 +#define MT6370_IRQ_CHG_VINOVPCHG 15 +#define MT6370_IRQ_TS_BAT_COLD 20 +#define MT6370_IRQ_TS_BAT_COOL 21 +#define MT6370_IRQ_TS_BAT_WARM 22 +#define MT6370_IRQ_TS_BAT_HOT 23 +#define MT6370_IRQ_TS_STATC 24 +#define MT6370_IRQ_CHG_FAULT 25 +#define MT6370_IRQ_CHG_STATC 26 +#define MT6370_IRQ_CHG_TMR 27 +#define MT6370_IRQ_CHG_BATABS 28 +#define MT6370_IRQ_CHG_ADPBAD 29 +#define MT6370_IRQ_CHG_RVP 30 +#define MT6370_IRQ_TSHUTDOWN 31 +#define MT6370_IRQ_CHG_IINMEAS 32 +#define MT6370_IRQ_CHG_ICCMEAS 33 +#define MT6370_IRQ_CHGDET_DONE 34 +#define MT6370_IRQ_WDTMR 35 +#define MT6370_IRQ_SSFINISH 36 +#define MT6370_IRQ_CHG_RECHG 37 +#define MT6370_IRQ_CHG_TERM 38 +#define MT6370_IRQ_CHG_IEOC 39 +#define MT6370_IRQ_ADC_DONE 40 +#define MT6370_IRQ_PUMPX_DONE 41 +#define MT6370_IRQ_BST_BATUV 45 +#define MT6370_IRQ_BST_MIDOV 46 +#define MT6370_IRQ_BST_OLP 47 +#define MT6370_IRQ_ATTACH 48 +#define MT6370_IRQ_DETACH 49 +#define MT6370_IRQ_HVDCP_STPDONE 51 +#define MT6370_IRQ_HVDCP_VBUSDET_DONE 52 +#define MT6370_IRQ_HVDCP_DET 53 +#define MT6370_IRQ_CHGDET 54 +#define MT6370_IRQ_DCDT 55 +#define MT6370_IRQ_DIRCHG_VGOK 59 +#define MT6370_IRQ_DIRCHG_WDTMR 60 +#define MT6370_IRQ_DIRCHG_UC 61 +#define MT6370_IRQ_DIRCHG_OC 62 +#define MT6370_IRQ_DIRCHG_OV 63 +#define MT6370_IRQ_OVPCTRL_SWON 67 +#define MT6370_IRQ_OVPCTRL_UVP_D 68 +#define MT6370_IRQ_OVPCTRL_UVP 69 +#define MT6370_IRQ_OVPCTRL_OVP_D 70 +#define MT6370_IRQ_OVPCTRL_OVP 71 +#define MT6370_IRQ_FLED_STRBPIN 72 +#define MT6370_IRQ_FLED_TORPIN 73 +#define MT6370_IRQ_FLED_TX 74 +#define MT6370_IRQ_FLED_LVF 75 +#define MT6370_IRQ_FLED2_SHORT 78 +#define MT6370_IRQ_FLED1_SHORT 79 +#define MT6370_IRQ_FLED2_STRB 80 +#define MT6370_IRQ_FLED1_STRB 81 +#define mT6370_IRQ_FLED2_STRB_TO 82 +#define MT6370_IRQ_FLED1_STRB_TO 83 +#define MT6370_IRQ_FLED2_TOR 84 +#define MT6370_IRQ_FLED1_TOR 85 +#define MT6370_IRQ_OTP 93 +#define MT6370_IRQ_VDDA_OVP 94 +#define MT6370_IRQ_VDDA_UV 95 +#define MT6370_IRQ_LDO_OC 103 +#define MT6370_IRQ_BLED_OCP 118 +#define MT6370_IRQ_BLED_OVP 119 +#define MT6370_IRQ_DSV_VNEG_OCP 123 +#define MT6370_IRQ_DSV_VPOS_OCP 124 +#define MT6370_IRQ_DSV_BST_OCP 125 +#define MT6370_IRQ_DSV_VNEG_SCP 126 +#define MT6370_IRQ_DSV_VPOS_SCP 127 + +enum { + MT6370_USBC_I2C = 0, + MT6370_PMU_I2C, + MT6370_MAX_I2C +}; + +struct mt6370_info { + struct i2c_client *i2c[MT6370_MAX_I2C]; + struct regmap_irq_chip_data *irq_data; +}; + +#endif /* __MFD_MT6375_H__ */ diff --git a/drivers/mfd/ntxec.c b/drivers/mfd/ntxec.c index b711e73eedcb..e16a7a82a929 100644 --- a/drivers/mfd/ntxec.c +++ b/drivers/mfd/ntxec.c @@ -239,15 +239,13 @@ static int ntxec_probe(struct i2c_client *client) return res; } -static int ntxec_remove(struct i2c_client *client) +static void ntxec_remove(struct i2c_client *client) { if (client == poweroff_restart_client) { poweroff_restart_client = NULL; pm_power_off = NULL; unregister_restart_handler(&ntxec_restart_handler); } - - return 0; } static const struct of_device_id of_ntxec_match_table[] = { diff --git a/drivers/mfd/ocelot-core.c b/drivers/mfd/ocelot-core.c new file mode 100644 index 000000000000..1816d52c65c5 --- /dev/null +++ b/drivers/mfd/ocelot-core.c @@ -0,0 +1,161 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Core driver for the Ocelot chip family. + * + * The VSC7511, 7512, 7513, and 7514 can be controlled internally via an + * on-chip MIPS processor, or externally via SPI, I2C, PCIe. This core driver is + * intended to be the bus-agnostic glue between, for example, the SPI bus and + * the child devices. + * + * Copyright 2021-2022 Innovative Advantage Inc. + * + * Author: Colin Foster <colin.foster@in-advantage.com> + */ + +#include <linux/bits.h> +#include <linux/device.h> +#include <linux/export.h> +#include <linux/iopoll.h> +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/mfd/core.h> +#include <linux/mfd/ocelot.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/types.h> + +#include <soc/mscc/ocelot.h> + +#include "ocelot.h" + +#define REG_GCB_SOFT_RST 0x0008 + +#define BIT_SOFT_CHIP_RST BIT(0) + +#define VSC7512_MIIM0_RES_START 0x7107009c +#define VSC7512_MIIM1_RES_START 0x710700c0 +#define VSC7512_MIIM_RES_SIZE 0x024 + +#define VSC7512_PHY_RES_START 0x710700f0 +#define VSC7512_PHY_RES_SIZE 0x004 + +#define VSC7512_GPIO_RES_START 0x71070034 +#define VSC7512_GPIO_RES_SIZE 0x06c + +#define VSC7512_SIO_CTRL_RES_START 0x710700f8 +#define VSC7512_SIO_CTRL_RES_SIZE 0x100 + +#define VSC7512_GCB_RST_SLEEP_US 100 +#define VSC7512_GCB_RST_TIMEOUT_US 100000 + +static int ocelot_gcb_chip_rst_status(struct ocelot_ddata *ddata) +{ + int val, err; + + err = regmap_read(ddata->gcb_regmap, REG_GCB_SOFT_RST, &val); + if (err) + return err; + + return val; +} + +int ocelot_chip_reset(struct device *dev) +{ + struct ocelot_ddata *ddata = dev_get_drvdata(dev); + int ret, val; + + /* + * Reset the entire chip here to put it into a completely known state. + * Other drivers may want to reset their own subsystems. The register + * self-clears, so one write is all that is needed and wait for it to + * clear. + */ + ret = regmap_write(ddata->gcb_regmap, REG_GCB_SOFT_RST, BIT_SOFT_CHIP_RST); + if (ret) + return ret; + + return readx_poll_timeout(ocelot_gcb_chip_rst_status, ddata, val, !val, + VSC7512_GCB_RST_SLEEP_US, VSC7512_GCB_RST_TIMEOUT_US); +} +EXPORT_SYMBOL_NS(ocelot_chip_reset, MFD_OCELOT); + +static const struct resource vsc7512_miim0_resources[] = { + DEFINE_RES_REG_NAMED(VSC7512_MIIM0_RES_START, VSC7512_MIIM_RES_SIZE, "gcb_miim0"), + DEFINE_RES_REG_NAMED(VSC7512_PHY_RES_START, VSC7512_PHY_RES_SIZE, "gcb_phy"), +}; + +static const struct resource vsc7512_miim1_resources[] = { + DEFINE_RES_REG_NAMED(VSC7512_MIIM1_RES_START, VSC7512_MIIM_RES_SIZE, "gcb_miim1"), +}; + +static const struct resource vsc7512_pinctrl_resources[] = { + DEFINE_RES_REG_NAMED(VSC7512_GPIO_RES_START, VSC7512_GPIO_RES_SIZE, "gcb_gpio"), +}; + +static const struct resource vsc7512_sgpio_resources[] = { + DEFINE_RES_REG_NAMED(VSC7512_SIO_CTRL_RES_START, VSC7512_SIO_CTRL_RES_SIZE, "gcb_sio"), +}; + +static const struct mfd_cell vsc7512_devs[] = { + { + .name = "ocelot-pinctrl", + .of_compatible = "mscc,ocelot-pinctrl", + .num_resources = ARRAY_SIZE(vsc7512_pinctrl_resources), + .resources = vsc7512_pinctrl_resources, + }, { + .name = "ocelot-sgpio", + .of_compatible = "mscc,ocelot-sgpio", + .num_resources = ARRAY_SIZE(vsc7512_sgpio_resources), + .resources = vsc7512_sgpio_resources, + }, { + .name = "ocelot-miim0", + .of_compatible = "mscc,ocelot-miim", + .of_reg = VSC7512_MIIM0_RES_START, + .use_of_reg = true, + .num_resources = ARRAY_SIZE(vsc7512_miim0_resources), + .resources = vsc7512_miim0_resources, + }, { + .name = "ocelot-miim1", + .of_compatible = "mscc,ocelot-miim", + .of_reg = VSC7512_MIIM1_RES_START, + .use_of_reg = true, + .num_resources = ARRAY_SIZE(vsc7512_miim1_resources), + .resources = vsc7512_miim1_resources, + }, +}; + +static void ocelot_core_try_add_regmap(struct device *dev, + const struct resource *res) +{ + if (dev_get_regmap(dev, res->name)) + return; + + ocelot_spi_init_regmap(dev, res); +} + +static void ocelot_core_try_add_regmaps(struct device *dev, + const struct mfd_cell *cell) +{ + int i; + + for (i = 0; i < cell->num_resources; i++) + ocelot_core_try_add_regmap(dev, &cell->resources[i]); +} + +int ocelot_core_init(struct device *dev) +{ + int i, ndevs; + + ndevs = ARRAY_SIZE(vsc7512_devs); + + for (i = 0; i < ndevs; i++) + ocelot_core_try_add_regmaps(dev, &vsc7512_devs[i]); + + return devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, vsc7512_devs, ndevs, NULL, 0, NULL); +} +EXPORT_SYMBOL_NS(ocelot_core_init, MFD_OCELOT); + +MODULE_DESCRIPTION("Externally Controlled Ocelot Chip Driver"); +MODULE_AUTHOR("Colin Foster <colin.foster@in-advantage.com>"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(MFD_OCELOT_SPI); diff --git a/drivers/mfd/ocelot-spi.c b/drivers/mfd/ocelot-spi.c new file mode 100644 index 000000000000..2ecd271de2fb --- /dev/null +++ b/drivers/mfd/ocelot-spi.c @@ -0,0 +1,300 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * SPI core driver for the Ocelot chip family. + * + * This driver will handle everything necessary to allow for communication over + * SPI to the VSC7511, VSC7512, VSC7513 and VSC7514 chips. The main functions + * are to prepare the chip's SPI interface for a specific bus speed, and a host + * processor's endianness. This will create and distribute regmaps for any + * children. + * + * Copyright 2021-2022 Innovative Advantage Inc. + * + * Author: Colin Foster <colin.foster@in-advantage.com> + */ + +#include <linux/device.h> +#include <linux/err.h> +#include <linux/errno.h> +#include <linux/export.h> +#include <linux/ioport.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/spi/spi.h> +#include <linux/types.h> +#include <linux/units.h> + +#include "ocelot.h" + +#define REG_DEV_CPUORG_IF_CTRL 0x0000 +#define REG_DEV_CPUORG_IF_CFGSTAT 0x0004 + +#define CFGSTAT_IF_NUM_VCORE (0 << 24) +#define CFGSTAT_IF_NUM_VRAP (1 << 24) +#define CFGSTAT_IF_NUM_SI (2 << 24) +#define CFGSTAT_IF_NUM_MIIM (3 << 24) + +#define VSC7512_DEVCPU_ORG_RES_START 0x71000000 +#define VSC7512_DEVCPU_ORG_RES_SIZE 0x38 + +#define VSC7512_CHIP_REGS_RES_START 0x71070000 +#define VSC7512_CHIP_REGS_RES_SIZE 0x14 + +static const struct resource vsc7512_dev_cpuorg_resource = + DEFINE_RES_REG_NAMED(VSC7512_DEVCPU_ORG_RES_START, + VSC7512_DEVCPU_ORG_RES_SIZE, + "devcpu_org"); + +static const struct resource vsc7512_gcb_resource = + DEFINE_RES_REG_NAMED(VSC7512_CHIP_REGS_RES_START, + VSC7512_CHIP_REGS_RES_SIZE, + "devcpu_gcb_chip_regs"); + +static int ocelot_spi_initialize(struct device *dev) +{ + struct ocelot_ddata *ddata = dev_get_drvdata(dev); + u32 val, check; + int err; + + val = OCELOT_SPI_BYTE_ORDER; + + /* + * The SPI address must be big-endian, but we want the payload to match + * our CPU. These are two bits (0 and 1) but they're repeated such that + * the write from any configuration will be valid. The four + * configurations are: + * + * 0b00: little-endian, MSB first + * | 111111 | 22221111 | 33222222 | + * | 76543210 | 54321098 | 32109876 | 10987654 | + * + * 0b01: big-endian, MSB first + * | 33222222 | 22221111 | 111111 | | + * | 10987654 | 32109876 | 54321098 | 76543210 | + * + * 0b10: little-endian, LSB first + * | 111111 | 11112222 | 22222233 | + * | 01234567 | 89012345 | 67890123 | 45678901 | + * + * 0b11: big-endian, LSB first + * | 22222233 | 11112222 | 111111 | | + * | 45678901 | 67890123 | 89012345 | 01234567 | + */ + err = regmap_write(ddata->cpuorg_regmap, REG_DEV_CPUORG_IF_CTRL, val); + if (err) + return err; + + /* + * Apply the number of padding bytes between a read request and the data + * payload. Some registers have access times of up to 1us, so if the + * first payload bit is shifted out too quickly, the read will fail. + */ + val = ddata->spi_padding_bytes; + err = regmap_write(ddata->cpuorg_regmap, REG_DEV_CPUORG_IF_CFGSTAT, val); + if (err) + return err; + + /* + * After we write the interface configuration, read it back here. This + * will verify several different things. The first is that the number of + * padding bytes actually got written correctly. These are found in bits + * 0:3. + * + * The second is that bit 16 is cleared. Bit 16 is IF_CFGSTAT:IF_STAT, + * and will be set if the register access is too fast. This would be in + * the condition that the number of padding bytes is insufficient for + * the SPI bus frequency. + * + * The last check is for bits 31:24, which define the interface by which + * the registers are being accessed. Since we're accessing them via the + * serial interface, it must return IF_NUM_SI. + */ + check = val | CFGSTAT_IF_NUM_SI; + + err = regmap_read(ddata->cpuorg_regmap, REG_DEV_CPUORG_IF_CFGSTAT, &val); + if (err) + return err; + + if (check != val) + return -ENODEV; + + return 0; +} + +static const struct regmap_config ocelot_spi_regmap_config = { + .reg_bits = 24, + .reg_stride = 4, + .reg_downshift = 2, + .val_bits = 32, + + .write_flag_mask = 0x80, + + .use_single_write = true, + .can_multi_write = false, + + .reg_format_endian = REGMAP_ENDIAN_BIG, + .val_format_endian = REGMAP_ENDIAN_NATIVE, +}; + +static int ocelot_spi_regmap_bus_read(void *context, const void *reg, size_t reg_size, + void *val, size_t val_size) +{ + struct spi_transfer xfers[3] = {0}; + struct device *dev = context; + struct ocelot_ddata *ddata; + struct spi_device *spi; + struct spi_message msg; + unsigned int index = 0; + + ddata = dev_get_drvdata(dev); + spi = to_spi_device(dev); + + xfers[index].tx_buf = reg; + xfers[index].len = reg_size; + index++; + + if (ddata->spi_padding_bytes) { + xfers[index].len = ddata->spi_padding_bytes; + xfers[index].tx_buf = ddata->dummy_buf; + xfers[index].dummy_data = 1; + index++; + } + + xfers[index].rx_buf = val; + xfers[index].len = val_size; + index++; + + spi_message_init_with_transfers(&msg, xfers, index); + + return spi_sync(spi, &msg); +} + +static int ocelot_spi_regmap_bus_write(void *context, const void *data, size_t count) +{ + struct device *dev = context; + struct spi_device *spi = to_spi_device(dev); + + return spi_write(spi, data, count); +} + +static const struct regmap_bus ocelot_spi_regmap_bus = { + .write = ocelot_spi_regmap_bus_write, + .read = ocelot_spi_regmap_bus_read, +}; + +struct regmap *ocelot_spi_init_regmap(struct device *dev, const struct resource *res) +{ + struct regmap_config regmap_config; + + memcpy(®map_config, &ocelot_spi_regmap_config, sizeof(regmap_config)); + + regmap_config.name = res->name; + regmap_config.max_register = resource_size(res) - 1; + regmap_config.reg_base = res->start; + + return devm_regmap_init(dev, &ocelot_spi_regmap_bus, dev, ®map_config); +} +EXPORT_SYMBOL_NS(ocelot_spi_init_regmap, MFD_OCELOT_SPI); + +static int ocelot_spi_probe(struct spi_device *spi) +{ + struct device *dev = &spi->dev; + struct ocelot_ddata *ddata; + struct regmap *r; + int err; + + ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL); + if (!ddata) + return -ENOMEM; + + spi_set_drvdata(spi, ddata); + + if (spi->max_speed_hz <= 500000) { + ddata->spi_padding_bytes = 0; + } else { + /* + * Calculation taken from the manual for IF_CFGSTAT:IF_CFG. + * Register access time is 1us, so we need to configure and send + * out enough padding bytes between the read request and data + * transmission that lasts at least 1 microsecond. + */ + ddata->spi_padding_bytes = 1 + (spi->max_speed_hz / HZ_PER_MHZ + 2) / 8; + + ddata->dummy_buf = devm_kzalloc(dev, ddata->spi_padding_bytes, GFP_KERNEL); + if (!ddata->dummy_buf) + return -ENOMEM; + } + + spi->bits_per_word = 8; + + err = spi_setup(spi); + if (err) + return dev_err_probe(&spi->dev, err, "Error performing SPI setup\n"); + + r = ocelot_spi_init_regmap(dev, &vsc7512_dev_cpuorg_resource); + if (IS_ERR(r)) + return PTR_ERR(r); + + ddata->cpuorg_regmap = r; + + r = ocelot_spi_init_regmap(dev, &vsc7512_gcb_resource); + if (IS_ERR(r)) + return PTR_ERR(r); + + ddata->gcb_regmap = r; + + /* + * The chip must be set up for SPI before it gets initialized and reset. + * This must be done before calling init, and after a chip reset is + * performed. + */ + err = ocelot_spi_initialize(dev); + if (err) + return dev_err_probe(dev, err, "Error initializing SPI bus\n"); + + err = ocelot_chip_reset(dev); + if (err) + return dev_err_probe(dev, err, "Error resetting device\n"); + + /* + * A chip reset will clear the SPI configuration, so it needs to be done + * again before we can access any registers. + */ + err = ocelot_spi_initialize(dev); + if (err) + return dev_err_probe(dev, err, "Error initializing SPI bus after reset\n"); + + err = ocelot_core_init(dev); + if (err) + return dev_err_probe(dev, err, "Error initializing Ocelot core\n"); + + return 0; +} + +static const struct spi_device_id ocelot_spi_ids[] = { + { "vsc7512", 0 }, + { } +}; +MODULE_DEVICE_TABLE(spi, ocelot_spi_ids); + +static const struct of_device_id ocelot_spi_of_match[] = { + { .compatible = "mscc,vsc7512" }, + { } +}; +MODULE_DEVICE_TABLE(of, ocelot_spi_of_match); + +static struct spi_driver ocelot_spi_driver = { + .driver = { + .name = "ocelot-soc", + .of_match_table = ocelot_spi_of_match, + }, + .id_table = ocelot_spi_ids, + .probe = ocelot_spi_probe, +}; +module_spi_driver(ocelot_spi_driver); + +MODULE_DESCRIPTION("SPI Controlled Ocelot Chip Driver"); +MODULE_AUTHOR("Colin Foster <colin.foster@in-advantage.com>"); +MODULE_LICENSE("Dual MIT/GPL"); +MODULE_IMPORT_NS(MFD_OCELOT); diff --git a/drivers/mfd/ocelot.h b/drivers/mfd/ocelot.h new file mode 100644 index 000000000000..b8bc2f1486e2 --- /dev/null +++ b/drivers/mfd/ocelot.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* Copyright 2021, 2022 Innovative Advantage Inc. */ + +#ifndef _MFD_OCELOT_H +#define _MFD_OCELOT_H + +#include <linux/kconfig.h> + +struct device; +struct regmap; +struct resource; + +/** + * struct ocelot_ddata - Private data for an external Ocelot chip + * @gcb_regmap: General Configuration Block regmap. Used for + * operations like chip reset. + * @cpuorg_regmap: CPU Device Origin Block regmap. Used for operations + * like SPI bus configuration. + * @spi_padding_bytes: Number of padding bytes that must be thrown out before + * read data gets returned. This is calculated during + * initialization based on bus speed. + * @dummy_buf: Zero-filled buffer of spi_padding_bytes size. The dummy + * bytes that will be sent out between the address and + * data of a SPI read operation. + */ +struct ocelot_ddata { + struct regmap *gcb_regmap; + struct regmap *cpuorg_regmap; + int spi_padding_bytes; + void *dummy_buf; +}; + +int ocelot_chip_reset(struct device *dev); +int ocelot_core_init(struct device *dev); + +/* SPI-specific routines that won't be necessary for other interfaces */ +struct regmap *ocelot_spi_init_regmap(struct device *dev, + const struct resource *res); + +#define OCELOT_SPI_BYTE_ORDER_LE 0x00000000 +#define OCELOT_SPI_BYTE_ORDER_BE 0x81818181 + +#ifdef __LITTLE_ENDIAN +#define OCELOT_SPI_BYTE_ORDER OCELOT_SPI_BYTE_ORDER_LE +#else +#define OCELOT_SPI_BYTE_ORDER OCELOT_SPI_BYTE_ORDER_BE +#endif + +#endif diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c index f5b3fa973b13..8b7429bd2e3e 100644 --- a/drivers/mfd/palmas.c +++ b/drivers/mfd/palmas.c @@ -700,7 +700,7 @@ err_i2c: return ret; } -static int palmas_i2c_remove(struct i2c_client *i2c) +static void palmas_i2c_remove(struct i2c_client *i2c) { struct palmas *palmas = i2c_get_clientdata(i2c); int i; @@ -716,8 +716,6 @@ static int palmas_i2c_remove(struct i2c_client *i2c) pm_power_off = NULL; palmas_dev = NULL; } - - return 0; } static const struct i2c_device_id palmas_i2c_id[] = { diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index e9c565cf0f54..4ccc2c3e7681 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -273,7 +273,7 @@ err2: return ret; } -static int pcf50633_remove(struct i2c_client *client) +static void pcf50633_remove(struct i2c_client *client) { struct pcf50633 *pcf = i2c_get_clientdata(client); int i; @@ -289,8 +289,6 @@ static int pcf50633_remove(struct i2c_client *client) for (i = 0; i < PCF50633_NUM_REGULATORS; i++) platform_device_unregister(pcf->regulator_pdev[i]); - - return 0; } static const struct i2c_device_id pcf50633_id_table[] = { diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c index 00003a868d28..7e2cd79d17eb 100644 --- a/drivers/mfd/qcom-spmi-pmic.c +++ b/drivers/mfd/qcom-spmi-pmic.c @@ -60,6 +60,7 @@ static const struct of_device_id pmic_spmi_id_table[] = { { .compatible = "qcom,pmi8994", .data = N_USIDS(2) }, { .compatible = "qcom,pmi8998", .data = N_USIDS(2) }, { .compatible = "qcom,pmk8002", .data = N_USIDS(2) }, + { .compatible = "qcom,pmp8074", .data = N_USIDS(2) }, { .compatible = "qcom,smb2351", .data = N_USIDS(2) }, { .compatible = "qcom,spmi-pmic", .data = N_USIDS(1) }, { } diff --git a/drivers/mfd/retu-mfd.c b/drivers/mfd/retu-mfd.c index c748fd29a220..3b5acf7ca39c 100644 --- a/drivers/mfd/retu-mfd.c +++ b/drivers/mfd/retu-mfd.c @@ -287,7 +287,7 @@ static int retu_probe(struct i2c_client *i2c, const struct i2c_device_id *id) return 0; } -static int retu_remove(struct i2c_client *i2c) +static void retu_remove(struct i2c_client *i2c) { struct retu_dev *rdev = i2c_get_clientdata(i2c); @@ -297,8 +297,6 @@ static int retu_remove(struct i2c_client *i2c) } mfd_remove_devices(rdev->dev); regmap_del_irq_chip(i2c->irq, rdev->irq_data); - - return 0; } static const struct i2c_device_id retu_id[] = { diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c index 4142b638e5fa..e00da7c7e3b1 100644 --- a/drivers/mfd/rk808.c +++ b/drivers/mfd/rk808.c @@ -67,6 +67,10 @@ static bool rk817_is_volatile_reg(struct device *dev, unsigned int reg) case RK817_SECONDS_REG ... RK817_WEEKS_REG: case RK817_RTC_STATUS_REG: case RK817_CODEC_DTOP_LPT_SRST: + case RK817_GAS_GAUGE_ADC_CONFIG0 ... RK817_GAS_GAUGE_CUR_ADC_K0: + case RK817_PMIC_CHRG_STS: + case RK817_PMIC_CHRG_OUT: + case RK817_PMIC_CHRG_IN: case RK817_INT_STS_REG0: case RK817_INT_STS_REG1: case RK817_INT_STS_REG2: @@ -74,7 +78,7 @@ static bool rk817_is_volatile_reg(struct device *dev, unsigned int reg) return true; } - return true; + return false; } static const struct regmap_config rk818_regmap_config = { @@ -127,6 +131,11 @@ static const struct resource rk817_pwrkey_resources[] = { DEFINE_RES_IRQ(RK817_IRQ_PWRON_FALL), }; +static const struct resource rk817_charger_resources[] = { + DEFINE_RES_IRQ(RK817_IRQ_PLUG_IN), + DEFINE_RES_IRQ(RK817_IRQ_PLUG_OUT), +}; + static const struct mfd_cell rk805s[] = { { .name = "rk808-clkout", }, { .name = "rk808-regulator", }, @@ -166,6 +175,11 @@ static const struct mfd_cell rk817s[] = { .resources = &rk817_rtc_resources[0], }, { .name = "rk817-codec",}, + { + .name = "rk817-charger", + .num_resources = ARRAY_SIZE(rk817_charger_resources), + .resources = &rk817_charger_resources[0], + }, }; static const struct mfd_cell rk818s[] = { @@ -778,7 +792,7 @@ err_irq: return ret; } -static int rk808_remove(struct i2c_client *client) +static void rk808_remove(struct i2c_client *client) { struct rk808 *rk808 = i2c_get_clientdata(client); @@ -792,8 +806,6 @@ static int rk808_remove(struct i2c_client *client) pm_power_off = NULL; unregister_restart_handler(&rk808_restart_handler); - - return 0; } static int __maybe_unused rk8xx_suspend(struct device *dev) diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index 384acb459427..eb8005b4e58d 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -241,7 +241,7 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c) return rn5t618_irq_init(priv); } -static int rn5t618_i2c_remove(struct i2c_client *i2c) +static void rn5t618_i2c_remove(struct i2c_client *i2c) { if (i2c == rn5t618_pm_power_off) { rn5t618_pm_power_off = NULL; @@ -249,8 +249,6 @@ static int rn5t618_i2c_remove(struct i2c_client *i2c) } unregister_restart_handler(&rn5t618_restart_handler); - - return 0; } static int __maybe_unused rn5t618_i2c_suspend(struct device *dev) diff --git a/drivers/mfd/rsmu_i2c.c b/drivers/mfd/rsmu_i2c.c index dc001c9791c1..f716ab8039a0 100644 --- a/drivers/mfd/rsmu_i2c.c +++ b/drivers/mfd/rsmu_i2c.c @@ -146,13 +146,11 @@ static int rsmu_i2c_probe(struct i2c_client *client, return rsmu_core_init(rsmu); } -static int rsmu_i2c_remove(struct i2c_client *client) +static void rsmu_i2c_remove(struct i2c_client *client) { struct rsmu_ddata *rsmu = i2c_get_clientdata(client); rsmu_core_exit(rsmu); - - return 0; } static const struct i2c_device_id rsmu_i2c_id[] = { diff --git a/drivers/mfd/rt4831.c b/drivers/mfd/rt4831.c index fb3bd788a3eb..c6d34dc2b520 100644 --- a/drivers/mfd/rt4831.c +++ b/drivers/mfd/rt4831.c @@ -87,7 +87,7 @@ static int rt4831_probe(struct i2c_client *client) ARRAY_SIZE(rt4831_subdevs), NULL, 0, NULL); } -static int rt4831_remove(struct i2c_client *client) +static void rt4831_remove(struct i2c_client *client) { struct regmap *regmap = dev_get_regmap(&client->dev, NULL); int ret; @@ -96,8 +96,6 @@ static int rt4831_remove(struct i2c_client *client) ret = regmap_update_bits(regmap, RT4831_REG_ENABLE, RT4831_RESET_MASK, RT4831_RESET_MASK); if (ret) dev_warn(&client->dev, "Failed to disable outputs (%pe)\n", ERR_PTR(ret)); - - return 0; } static const struct of_device_id __maybe_unused rt4831_of_match[] = { diff --git a/drivers/mfd/rt5120.c b/drivers/mfd/rt5120.c new file mode 100644 index 000000000000..8046e383bc92 --- /dev/null +++ b/drivers/mfd/rt5120.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2022 Richtek Technology Corp. + * Author: ChiYuan Huang <cy_huang@richtek.com> + */ + +#include <linux/i2c.h> +#include <linux/kernel.h> +#include <linux/mfd/core.h> +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/regmap.h> + +#define RT5120_REG_INTENABLE 0x1D +#define RT5120_REG_INTSTAT 0x1E +#define RT5120_REG_FZCMODE 0x44 + +#define RT5120_INT_HOTDIE 0 +#define RT5120_INT_PWRKEY_REL 5 +#define RT5120_INT_PWRKEY_PRESS 6 + +static const struct regmap_range rt5120_rd_yes_ranges[] = { + regmap_reg_range(0x03, 0x13), + regmap_reg_range(0x1c, 0x20), + regmap_reg_range(0x44, 0x44), +}; + +static const struct regmap_range rt5120_wr_yes_ranges[] = { + regmap_reg_range(0x06, 0x13), + regmap_reg_range(0x1c, 0x20), + regmap_reg_range(0x44, 0x44), +}; + +static const struct regmap_access_table rt5120_rd_table = { + .yes_ranges = rt5120_rd_yes_ranges, + .n_yes_ranges = ARRAY_SIZE(rt5120_rd_yes_ranges), +}; + +static const struct regmap_access_table rt5120_wr_table = { + .yes_ranges = rt5120_wr_yes_ranges, + .n_yes_ranges = ARRAY_SIZE(rt5120_wr_yes_ranges), +}; + +static const struct regmap_config rt5120_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RT5120_REG_FZCMODE, + + .wr_table = &rt5120_wr_table, + .rd_table = &rt5120_rd_table, +}; + +static const struct regmap_irq rt5120_irqs[] = { + REGMAP_IRQ_REG_LINE(RT5120_INT_HOTDIE, 8), + REGMAP_IRQ_REG_LINE(RT5120_INT_PWRKEY_REL, 8), + REGMAP_IRQ_REG_LINE(RT5120_INT_PWRKEY_PRESS, 8), +}; + +static const struct regmap_irq_chip rt5120_irq_chip = { + .name = "rt5120-pmic", + .status_base = RT5120_REG_INTSTAT, + .mask_base = RT5120_REG_INTENABLE, + .ack_base = RT5120_REG_INTSTAT, + .mask_invert = true, + .use_ack = true, + .num_regs = 1, + .irqs = rt5120_irqs, + .num_irqs = ARRAY_SIZE(rt5120_irqs), +}; + +static const struct resource rt5120_regulator_resources[] = { + DEFINE_RES_IRQ(RT5120_INT_HOTDIE), +}; + +static const struct resource rt5120_pwrkey_resources[] = { + DEFINE_RES_IRQ_NAMED(RT5120_INT_PWRKEY_PRESS, "pwrkey-press"), + DEFINE_RES_IRQ_NAMED(RT5120_INT_PWRKEY_REL, "pwrkey-release"), +}; + +static const struct mfd_cell rt5120_devs[] = { + MFD_CELL_RES("rt5120-regulator", rt5120_regulator_resources), + MFD_CELL_OF("rt5120-pwrkey", rt5120_pwrkey_resources, NULL, 0, 0, "richtek,rt5120-pwrkey"), +}; + +static int rt5120_probe(struct i2c_client *i2c) +{ + struct device *dev = &i2c->dev; + struct regmap *regmap; + struct regmap_irq_chip_data *irq_data; + int ret; + + regmap = devm_regmap_init_i2c(i2c, &rt5120_regmap_config); + if (IS_ERR(regmap)) + return dev_err_probe(dev, PTR_ERR(regmap), + "Failed to init regmap\n"); + + ret = devm_regmap_add_irq_chip(dev, regmap, i2c->irq, IRQF_ONESHOT, 0, + &rt5120_irq_chip, &irq_data); + if (ret) + return dev_err_probe(dev, ret, "Failed to add IRQ chip\n"); + + return devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, rt5120_devs, + ARRAY_SIZE(rt5120_devs), NULL, 0, + regmap_irq_get_domain(irq_data)); +} + +static const struct of_device_id rt5120_device_match_table[] = { + { .compatible = "richtek,rt5120" }, + {} +}; +MODULE_DEVICE_TABLE(of, rt5120_device_match_table); + +static struct i2c_driver rt5120_driver = { + .driver = { + .name = "rt5120", + .of_match_table = rt5120_device_match_table, + }, + .probe_new = rt5120_probe, +}; +module_i2c_driver(rt5120_driver); + +MODULE_AUTHOR("ChiYuan Huang <cy_huang@richtek.com>"); +MODULE_DESCRIPTION("Richtek RT5120 I2C driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/si476x-i2c.c b/drivers/mfd/si476x-i2c.c index a2635c2d9d1a..8166949b725c 100644 --- a/drivers/mfd/si476x-i2c.c +++ b/drivers/mfd/si476x-i2c.c @@ -835,7 +835,7 @@ free_gpio: return rval; } -static int si476x_core_remove(struct i2c_client *client) +static void si476x_core_remove(struct i2c_client *client) { struct si476x_core *core = i2c_get_clientdata(client); @@ -851,8 +851,6 @@ static int si476x_core_remove(struct i2c_client *client) if (gpio_is_valid(core->gpio_reset)) gpio_free(core->gpio_reset); - - return 0; } diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index bc0a2c38653e..3ac4508a6742 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1720,7 +1720,12 @@ static struct platform_driver sm501_plat_driver = { static int __init sm501_base_init(void) { - platform_driver_register(&sm501_plat_driver); + int ret; + + ret = platform_driver_register(&sm501_plat_driver); + if (ret < 0) + return ret; + return pci_register_driver(&sm501_pci_driver); } diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c index 122f96094410..5dd7d9688459 100644 --- a/drivers/mfd/stmfx.c +++ b/drivers/mfd/stmfx.c @@ -467,13 +467,11 @@ err_chip_exit: return ret; } -static int stmfx_remove(struct i2c_client *client) +static void stmfx_remove(struct i2c_client *client) { stmfx_irq_exit(client); stmfx_chip_exit(client); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c index d3eedf3d607e..4d55494a97c4 100644 --- a/drivers/mfd/stmpe-i2c.c +++ b/drivers/mfd/stmpe-i2c.c @@ -91,13 +91,11 @@ stmpe_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) return stmpe_probe(&i2c_ci, partnum); } -static int stmpe_i2c_remove(struct i2c_client *i2c) +static void stmpe_i2c_remove(struct i2c_client *i2c) { struct stmpe *stmpe = dev_get_drvdata(&i2c->dev); stmpe_remove(stmpe); - - return 0; } static const struct i2c_device_id stmpe_i2c_id[] = { diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index aeb9ea55f97d..0c4f74197d3e 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -8,14 +8,13 @@ */ #include <linux/err.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/export.h> #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/of.h> -#include <linux/of_gpio.h> #include <linux/pm.h> #include <linux/slab.h> #include <linux/mfd/core.h> @@ -30,17 +29,12 @@ * @irq_trigger: IRQ trigger to use for the interrupt to the host * @autosleep: bool to enable/disable stmpe autosleep * @autosleep_timeout: inactivity timeout in milliseconds for autosleep - * @irq_over_gpio: true if gpio is used to get irq - * @irq_gpio: gpio number over which irq will be requested (significant only if - * irq_over_gpio is true) */ struct stmpe_platform_data { int id; unsigned int blocks; unsigned int irq_trigger; bool autosleep; - bool irq_over_gpio; - int irq_gpio; int autosleep_timeout; }; @@ -1349,32 +1343,22 @@ static void stmpe_of_probe(struct stmpe_platform_data *pdata, if (pdata->id < 0) pdata->id = -1; - pdata->irq_gpio = of_get_named_gpio_flags(np, "irq-gpio", 0, - &pdata->irq_trigger); - if (gpio_is_valid(pdata->irq_gpio)) - pdata->irq_over_gpio = 1; - else - pdata->irq_trigger = IRQF_TRIGGER_NONE; - of_property_read_u32(np, "st,autosleep-timeout", &pdata->autosleep_timeout); pdata->autosleep = (pdata->autosleep_timeout) ? true : false; for_each_available_child_of_node(np, child) { - if (of_node_name_eq(child, "stmpe_gpio")) { + if (of_device_is_compatible(child, stmpe_gpio_cell.of_compatible)) pdata->blocks |= STMPE_BLOCK_GPIO; - } else if (of_node_name_eq(child, "stmpe_keypad")) { + else if (of_device_is_compatible(child, stmpe_keypad_cell.of_compatible)) pdata->blocks |= STMPE_BLOCK_KEYPAD; - } else if (of_node_name_eq(child, "stmpe_touchscreen")) { + else if (of_device_is_compatible(child, stmpe_ts_cell.of_compatible)) pdata->blocks |= STMPE_BLOCK_TOUCHSCREEN; - } else if (of_node_name_eq(child, "stmpe_adc")) { + else if (of_device_is_compatible(child, stmpe_adc_cell.of_compatible)) pdata->blocks |= STMPE_BLOCK_ADC; - } else if (of_node_name_eq(child, "stmpe_pwm")) { + else if (of_device_is_compatible(child, stmpe_pwm_cell.of_compatible)) pdata->blocks |= STMPE_BLOCK_PWM; - } else if (of_node_name_eq(child, "stmpe_rotator")) { - pdata->blocks |= STMPE_BLOCK_ROTATOR; - } } } @@ -1384,6 +1368,7 @@ int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum) struct stmpe_platform_data *pdata; struct device_node *np = ci->dev->of_node; struct stmpe *stmpe; + struct gpio_desc *irq_gpio; int ret; u32 val; @@ -1437,18 +1422,20 @@ int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum) if (ci->init) ci->init(stmpe); - if (pdata->irq_over_gpio) { - ret = devm_gpio_request_one(ci->dev, pdata->irq_gpio, - GPIOF_DIR_IN, "stmpe"); - if (ret) { - dev_err(stmpe->dev, "failed to request IRQ GPIO: %d\n", - ret); - return ret; - } + irq_gpio = devm_gpiod_get_optional(ci->dev, "irq", GPIOD_ASIS); + ret = PTR_ERR_OR_ZERO(irq_gpio); + if (ret) { + dev_err(stmpe->dev, "failed to request IRQ GPIO: %d\n", ret); + return ret; + } - stmpe->irq = gpio_to_irq(pdata->irq_gpio); + if (irq_gpio) { + stmpe->irq = gpiod_to_irq(irq_gpio); + pdata->irq_trigger = gpiod_is_active_low(irq_gpio) ? + IRQF_TRIGGER_LOW : IRQF_TRIGGER_HIGH; } else { stmpe->irq = ci->irq; + pdata->irq_trigger = IRQF_TRIGGER_NONE; } if (stmpe->irq < 0) { diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index bdb2ce7ff03b..9489e80e905a 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -66,14 +66,6 @@ static struct syscon *of_syscon_register(struct device_node *np, bool check_clk) goto err_map; } - /* Parse the device's DT node for an endianness specification */ - if (of_property_read_bool(np, "big-endian")) - syscon_config.val_format_endian = REGMAP_ENDIAN_BIG; - else if (of_property_read_bool(np, "little-endian")) - syscon_config.val_format_endian = REGMAP_ENDIAN_LITTLE; - else if (of_property_read_bool(np, "native-endian")) - syscon_config.val_format_endian = REGMAP_ENDIAN_NATIVE; - /* * search for reg-io-width property in DT. If it is not provided, * default to 4 bytes. regmap_init_mmio will return an error if values diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c index 13583cdb93b6..d5d0ec117acb 100644 --- a/drivers/mfd/tc3589x.c +++ b/drivers/mfd/tc3589x.c @@ -429,13 +429,11 @@ static int tc3589x_probe(struct i2c_client *i2c, return 0; } -static int tc3589x_remove(struct i2c_client *client) +static void tc3589x_remove(struct i2c_client *client) { struct tc3589x *tc3589x = i2c_get_clientdata(client); mfd_remove_devices(tc3589x->dev); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mfd/tps6105x.c b/drivers/mfd/tps6105x.c index c906324d293e..b360568ea675 100644 --- a/drivers/mfd/tps6105x.c +++ b/drivers/mfd/tps6105x.c @@ -179,7 +179,7 @@ static int tps6105x_probe(struct i2c_client *client, return ret; } -static int tps6105x_remove(struct i2c_client *client) +static void tps6105x_remove(struct i2c_client *client) { struct tps6105x *tps6105x = i2c_get_clientdata(client); @@ -189,8 +189,6 @@ static int tps6105x_remove(struct i2c_client *client) regmap_update_bits(tps6105x->regmap, TPS6105X_REG_0, TPS6105X_REG0_MODE_MASK, TPS6105X_MODE_SHUTDOWN << TPS6105X_REG0_MODE_SHIFT); - - return 0; } static const struct i2c_device_id tps6105x_id[] = { diff --git a/drivers/mfd/tps65010.c b/drivers/mfd/tps65010.c index 7e7dbee58ca9..c2afa2e69f42 100644 --- a/drivers/mfd/tps65010.c +++ b/drivers/mfd/tps65010.c @@ -501,7 +501,7 @@ static int tps65010_gpio_get(struct gpio_chip *chip, unsigned offset) static struct tps65010 *the_tps; -static int tps65010_remove(struct i2c_client *client) +static void tps65010_remove(struct i2c_client *client) { struct tps65010 *tps = i2c_get_clientdata(client); struct tps65010_board *board = dev_get_platdata(&client->dev); @@ -517,7 +517,6 @@ static int tps65010_remove(struct i2c_client *client) cancel_delayed_work_sync(&tps->work); debugfs_remove(tps->file); the_tps = NULL; - return 0; } static int tps65010_probe(struct i2c_client *client, diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c index cbae9777a24e..81a7360a87bb 100644 --- a/drivers/mfd/tps65086.c +++ b/drivers/mfd/tps65086.c @@ -111,14 +111,12 @@ static int tps65086_probe(struct i2c_client *client, return ret; } -static int tps65086_remove(struct i2c_client *client) +static void tps65086_remove(struct i2c_client *client) { struct tps65086 *tps = i2c_get_clientdata(client); if (tps->irq > 0) regmap_del_irq_chip(tps->irq, tps->irq_data); - - return 0; } static const struct i2c_device_id tps65086_id_table[] = { diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c index 8e8da204a02e..eebd60601b01 100644 --- a/drivers/mfd/tps65217.c +++ b/drivers/mfd/tps65217.c @@ -374,7 +374,7 @@ static int tps65217_probe(struct i2c_client *client) return 0; } -static int tps65217_remove(struct i2c_client *client) +static void tps65217_remove(struct i2c_client *client) { struct tps65217 *tps = i2c_get_clientdata(client); unsigned int virq; @@ -388,8 +388,6 @@ static int tps65217_remove(struct i2c_client *client) irq_domain_remove(tps->irq_domain); tps->irq_domain = NULL; - - return 0; } static const struct i2c_device_id tps65217_id_table[] = { diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index c9303d3d6602..fb340da64bbc 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -579,7 +579,7 @@ err_mfd_add: return ret; } -static int tps6586x_i2c_remove(struct i2c_client *client) +static void tps6586x_i2c_remove(struct i2c_client *client) { struct tps6586x *tps6586x = i2c_get_clientdata(client); @@ -587,7 +587,6 @@ static int tps6586x_i2c_remove(struct i2c_client *client) mfd_remove_devices(tps6586x->dev); if (client->irq) free_irq(client->irq, tps6586x); - return 0; } static int __maybe_unused tps6586x_i2c_suspend(struct device *dev) diff --git a/drivers/mfd/tps65912-i2c.c b/drivers/mfd/tps65912-i2c.c index afb7f7d97dc0..7e2b19efe867 100644 --- a/drivers/mfd/tps65912-i2c.c +++ b/drivers/mfd/tps65912-i2c.c @@ -43,13 +43,11 @@ static int tps65912_i2c_probe(struct i2c_client *client, return tps65912_device_init(tps); } -static int tps65912_i2c_remove(struct i2c_client *client) +static void tps65912_i2c_remove(struct i2c_client *client) { struct tps65912 *tps = i2c_get_clientdata(client); tps65912_device_exit(tps); - - return 0; } static const struct i2c_device_id tps65912_i2c_id_table[] = { diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index 2cb9326f3e61..f6b4b9d94bbd 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -727,7 +727,7 @@ static void clocks_init(struct device *dev) /*----------------------------------------------------------------------*/ -static int twl_remove(struct i2c_client *client) +static void twl_remove(struct i2c_client *client) { unsigned i, num_slaves; @@ -745,7 +745,6 @@ static int twl_remove(struct i2c_client *client) twl->client = NULL; } twl_priv->ready = false; - return 0; } static struct of_dev_auxdata twl_auxdata_lookup[] = { @@ -883,7 +882,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id) * SR_I2C_SCL_CTRL_PU(bit 4)=0 and SR_I2C_SDA_CTRL_PU(bit 6)=0. * * Also, always enable SmartReflex bit as that's needed for omaps to - * to do anything over I2C4 for voltage scaling even if SmartReflex + * do anything over I2C4 for voltage scaling even if SmartReflex * is disabled. Without the SmartReflex bit omap sys_clkreq idle * signal will never trigger for retention idle. */ diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c index 4f576f0160a9..87496c1cb8bc 100644 --- a/drivers/mfd/twl4030-irq.c +++ b/drivers/mfd/twl4030-irq.c @@ -14,6 +14,7 @@ * by syed khasim <x0khasim@ti.com> */ +#include <linux/device.h> #include <linux/export.h> #include <linux/interrupt.h> #include <linux/irq.h> diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c index b9c6d94b4002..f429b8f00db6 100644 --- a/drivers/mfd/twl6040.c +++ b/drivers/mfd/twl6040.c @@ -808,7 +808,7 @@ gpio_err: return ret; } -static int twl6040_remove(struct i2c_client *client) +static void twl6040_remove(struct i2c_client *client) { struct twl6040 *twl6040 = i2c_get_clientdata(client); @@ -820,8 +820,6 @@ static int twl6040_remove(struct i2c_client *client) mfd_remove_devices(&client->dev); regulator_bulk_disable(TWL6040_NUM_SUPPLIES, twl6040->supplies); - - return 0; } static const struct i2c_device_id twl6040_i2c_id[] = { diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index 7b1d270722ba..7e88f5b0abe6 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -657,13 +657,11 @@ static int wm8994_i2c_probe(struct i2c_client *i2c, return wm8994_device_init(wm8994, i2c->irq); } -static int wm8994_i2c_remove(struct i2c_client *i2c) +static void wm8994_i2c_remove(struct i2c_client *i2c) { struct wm8994 *wm8994 = i2c_get_clientdata(i2c); wm8994_device_exit(wm8994); - - return 0; } static const struct i2c_device_id wm8994_i2c_id[] = { |