diff options
Diffstat (limited to 'drivers/mfd')
-rw-r--r-- | drivers/mfd/omap-usb-host.c | 11 | ||||
-rw-r--r-- | drivers/mfd/rohm-bd718x7.c | 162 |
2 files changed, 81 insertions, 92 deletions
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index e11ab12fbdf2..800986a79704 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -528,8 +528,8 @@ static int usbhs_omap_get_dt_pdata(struct device *dev, } static const struct of_device_id usbhs_child_match_table[] = { - { .compatible = "ti,omap-ehci", }, - { .compatible = "ti,omap-ohci", }, + { .compatible = "ti,ehci-omap", }, + { .compatible = "ti,ohci-omap3", }, { } }; @@ -855,6 +855,7 @@ static struct platform_driver usbhs_omap_driver = { .pm = &usbhsomap_dev_pm_ops, .of_match_table = usbhs_omap_dt_ids, }, + .probe = usbhs_omap_probe, .remove = usbhs_omap_remove, }; @@ -864,9 +865,9 @@ MODULE_ALIAS("platform:" USBHS_DRIVER_NAME); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("usb host common core driver for omap EHCI and OHCI"); -static int __init omap_usbhs_drvinit(void) +static int omap_usbhs_drvinit(void) { - return platform_driver_probe(&usbhs_omap_driver, usbhs_omap_probe); + return platform_driver_register(&usbhs_omap_driver); } /* @@ -878,7 +879,7 @@ static int __init omap_usbhs_drvinit(void) */ fs_initcall_sync(omap_usbhs_drvinit); -static void __exit omap_usbhs_drvexit(void) +static void omap_usbhs_drvexit(void) { platform_driver_unregister(&usbhs_omap_driver); } diff --git a/drivers/mfd/rohm-bd718x7.c b/drivers/mfd/rohm-bd718x7.c index 75c8ec659547..a29d529a96f4 100644 --- a/drivers/mfd/rohm-bd718x7.c +++ b/drivers/mfd/rohm-bd718x7.c @@ -2,26 +2,21 @@ // // Copyright (C) 2018 ROHM Semiconductors // -// ROHM BD71837MWV PMIC driver +// ROHM BD71837MWV and BD71847MWV PMIC driver // -// Datasheet available from +// Datasheet for BD71837MWV available from // https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e +#include <linux/gpio_keys.h> #include <linux/i2c.h> #include <linux/input.h> #include <linux/interrupt.h> #include <linux/mfd/rohm-bd718x7.h> #include <linux/mfd/core.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/regmap.h> - -/* - * gpio_keys.h requires definiton of bool. It is brought in - * by above includes. Keep this as last until gpio_keys.h gets fixed. - */ -#include <linux/gpio_keys.h> - -static const u8 supported_revisions[] = { 0xA2 /* BD71837 */ }; +#include <linux/types.h> static struct gpio_keys_button button = { .code = KEY_POWER, @@ -35,42 +30,42 @@ static struct gpio_keys_platform_data bd718xx_powerkey_data = { .name = "bd718xx-pwrkey", }; -static struct mfd_cell bd71837_mfd_cells[] = { +static struct mfd_cell bd718xx_mfd_cells[] = { { .name = "gpio-keys", .platform_data = &bd718xx_powerkey_data, .pdata_size = sizeof(bd718xx_powerkey_data), }, - { .name = "bd71837-clk", }, - { .name = "bd71837-pmic", }, + { .name = "bd718xx-clk", }, + { .name = "bd718xx-pmic", }, }; -static const struct regmap_irq bd71837_irqs[] = { - REGMAP_IRQ_REG(BD71837_INT_SWRST, 0, BD71837_INT_SWRST_MASK), - REGMAP_IRQ_REG(BD71837_INT_PWRBTN_S, 0, BD71837_INT_PWRBTN_S_MASK), - REGMAP_IRQ_REG(BD71837_INT_PWRBTN_L, 0, BD71837_INT_PWRBTN_L_MASK), - REGMAP_IRQ_REG(BD71837_INT_PWRBTN, 0, BD71837_INT_PWRBTN_MASK), - REGMAP_IRQ_REG(BD71837_INT_WDOG, 0, BD71837_INT_WDOG_MASK), - REGMAP_IRQ_REG(BD71837_INT_ON_REQ, 0, BD71837_INT_ON_REQ_MASK), - REGMAP_IRQ_REG(BD71837_INT_STBY_REQ, 0, BD71837_INT_STBY_REQ_MASK), +static const struct regmap_irq bd718xx_irqs[] = { + REGMAP_IRQ_REG(BD718XX_INT_SWRST, 0, BD718XX_INT_SWRST_MASK), + REGMAP_IRQ_REG(BD718XX_INT_PWRBTN_S, 0, BD718XX_INT_PWRBTN_S_MASK), + REGMAP_IRQ_REG(BD718XX_INT_PWRBTN_L, 0, BD718XX_INT_PWRBTN_L_MASK), + REGMAP_IRQ_REG(BD718XX_INT_PWRBTN, 0, BD718XX_INT_PWRBTN_MASK), + REGMAP_IRQ_REG(BD718XX_INT_WDOG, 0, BD718XX_INT_WDOG_MASK), + REGMAP_IRQ_REG(BD718XX_INT_ON_REQ, 0, BD718XX_INT_ON_REQ_MASK), + REGMAP_IRQ_REG(BD718XX_INT_STBY_REQ, 0, BD718XX_INT_STBY_REQ_MASK), }; -static struct regmap_irq_chip bd71837_irq_chip = { - .name = "bd71837-irq", - .irqs = bd71837_irqs, - .num_irqs = ARRAY_SIZE(bd71837_irqs), +static struct regmap_irq_chip bd718xx_irq_chip = { + .name = "bd718xx-irq", + .irqs = bd718xx_irqs, + .num_irqs = ARRAY_SIZE(bd718xx_irqs), .num_regs = 1, .irq_reg_stride = 1, - .status_base = BD71837_REG_IRQ, - .mask_base = BD71837_REG_MIRQ, - .ack_base = BD71837_REG_IRQ, + .status_base = BD718XX_REG_IRQ, + .mask_base = BD718XX_REG_MIRQ, + .ack_base = BD718XX_REG_IRQ, .init_ack_masked = true, .mask_invert = false, }; static const struct regmap_range pmic_status_range = { - .range_min = BD71837_REG_IRQ, - .range_max = BD71837_REG_POW_STATE, + .range_min = BD718XX_REG_IRQ, + .range_max = BD718XX_REG_POW_STATE, }; static const struct regmap_access_table volatile_regs = { @@ -78,67 +73,53 @@ static const struct regmap_access_table volatile_regs = { .n_yes_ranges = 1, }; -static const struct regmap_config bd71837_regmap_config = { +static const struct regmap_config bd718xx_regmap_config = { .reg_bits = 8, .val_bits = 8, .volatile_table = &volatile_regs, - .max_register = BD71837_MAX_REGISTER - 1, + .max_register = BD718XX_MAX_REGISTER - 1, .cache_type = REGCACHE_RBTREE, }; -static int bd71837_i2c_probe(struct i2c_client *i2c, +static int bd718xx_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { - struct bd71837 *bd71837; - int ret, i; - unsigned int val; - - bd71837 = devm_kzalloc(&i2c->dev, sizeof(struct bd71837), GFP_KERNEL); + struct bd718xx *bd718xx; + int ret; - if (!bd71837) - return -ENOMEM; - - bd71837->chip_irq = i2c->irq; - - if (!bd71837->chip_irq) { + if (!i2c->irq) { dev_err(&i2c->dev, "No IRQ configured\n"); return -EINVAL; } - bd71837->dev = &i2c->dev; - dev_set_drvdata(&i2c->dev, bd71837); + bd718xx = devm_kzalloc(&i2c->dev, sizeof(struct bd718xx), GFP_KERNEL); - bd71837->regmap = devm_regmap_init_i2c(i2c, &bd71837_regmap_config); - if (IS_ERR(bd71837->regmap)) { - dev_err(&i2c->dev, "regmap initialization failed\n"); - return PTR_ERR(bd71837->regmap); - } + if (!bd718xx) + return -ENOMEM; - ret = regmap_read(bd71837->regmap, BD71837_REG_REV, &val); - if (ret) { - dev_err(&i2c->dev, "Read BD71837_REG_DEVICE failed\n"); - return ret; - } - for (i = 0; i < ARRAY_SIZE(supported_revisions); i++) - if (supported_revisions[i] == val) - break; + bd718xx->chip_irq = i2c->irq; + bd718xx->chip_type = (unsigned int)(uintptr_t) + of_device_get_match_data(&i2c->dev); + bd718xx->dev = &i2c->dev; + dev_set_drvdata(&i2c->dev, bd718xx); - if (i == ARRAY_SIZE(supported_revisions)) { - dev_err(&i2c->dev, "Unsupported chip revision\n"); - return -ENODEV; + bd718xx->regmap = devm_regmap_init_i2c(i2c, &bd718xx_regmap_config); + if (IS_ERR(bd718xx->regmap)) { + dev_err(&i2c->dev, "regmap initialization failed\n"); + return PTR_ERR(bd718xx->regmap); } - ret = devm_regmap_add_irq_chip(&i2c->dev, bd71837->regmap, - bd71837->chip_irq, IRQF_ONESHOT, 0, - &bd71837_irq_chip, &bd71837->irq_data); + ret = devm_regmap_add_irq_chip(&i2c->dev, bd718xx->regmap, + bd718xx->chip_irq, IRQF_ONESHOT, 0, + &bd718xx_irq_chip, &bd718xx->irq_data); if (ret) { dev_err(&i2c->dev, "Failed to add irq_chip\n"); return ret; } /* Configure short press to 10 milliseconds */ - ret = regmap_update_bits(bd71837->regmap, - BD71837_REG_PWRONCONFIG0, + ret = regmap_update_bits(bd718xx->regmap, + BD718XX_REG_PWRONCONFIG0, BD718XX_PWRBTN_PRESS_DURATION_MASK, BD718XX_PWRBTN_SHORT_PRESS_10MS); if (ret) { @@ -148,8 +129,8 @@ static int bd71837_i2c_probe(struct i2c_client *i2c, } /* Configure long press to 10 seconds */ - ret = regmap_update_bits(bd71837->regmap, - BD71837_REG_PWRONCONFIG1, + ret = regmap_update_bits(bd718xx->regmap, + BD718XX_REG_PWRONCONFIG1, BD718XX_PWRBTN_PRESS_DURATION_MASK, BD718XX_PWRBTN_LONG_PRESS_10S); @@ -159,7 +140,7 @@ static int bd71837_i2c_probe(struct i2c_client *i2c, return ret; } - ret = regmap_irq_get_virq(bd71837->irq_data, BD71837_INT_PWRBTN_S); + ret = regmap_irq_get_virq(bd718xx->irq_data, BD718XX_INT_PWRBTN_S); if (ret < 0) { dev_err(&i2c->dev, "Failed to get the IRQ\n"); @@ -168,44 +149,51 @@ static int bd71837_i2c_probe(struct i2c_client *i2c, button.irq = ret; - ret = devm_mfd_add_devices(bd71837->dev, PLATFORM_DEVID_AUTO, - bd71837_mfd_cells, - ARRAY_SIZE(bd71837_mfd_cells), NULL, 0, - regmap_irq_get_domain(bd71837->irq_data)); + ret = devm_mfd_add_devices(bd718xx->dev, PLATFORM_DEVID_AUTO, + bd718xx_mfd_cells, + ARRAY_SIZE(bd718xx_mfd_cells), NULL, 0, + regmap_irq_get_domain(bd718xx->irq_data)); if (ret) dev_err(&i2c->dev, "Failed to create subdevices\n"); return ret; } -static const struct of_device_id bd71837_of_match[] = { - { .compatible = "rohm,bd71837", }, +static const struct of_device_id bd718xx_of_match[] = { + { + .compatible = "rohm,bd71837", + .data = (void *)BD718XX_TYPE_BD71837, + }, + { + .compatible = "rohm,bd71847", + .data = (void *)BD718XX_TYPE_BD71847, + }, { } }; -MODULE_DEVICE_TABLE(of, bd71837_of_match); +MODULE_DEVICE_TABLE(of, bd718xx_of_match); -static struct i2c_driver bd71837_i2c_driver = { +static struct i2c_driver bd718xx_i2c_driver = { .driver = { .name = "rohm-bd718x7", - .of_match_table = bd71837_of_match, + .of_match_table = bd718xx_of_match, }, - .probe = bd71837_i2c_probe, + .probe = bd718xx_i2c_probe, }; -static int __init bd71837_i2c_init(void) +static int __init bd718xx_i2c_init(void) { - return i2c_add_driver(&bd71837_i2c_driver); + return i2c_add_driver(&bd718xx_i2c_driver); } /* Initialise early so consumer devices can complete system boot */ -subsys_initcall(bd71837_i2c_init); +subsys_initcall(bd718xx_i2c_init); -static void __exit bd71837_i2c_exit(void) +static void __exit bd718xx_i2c_exit(void) { - i2c_del_driver(&bd71837_i2c_driver); + i2c_del_driver(&bd718xx_i2c_driver); } -module_exit(bd71837_i2c_exit); +module_exit(bd718xx_i2c_exit); MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); -MODULE_DESCRIPTION("ROHM BD71837 Power Management IC driver"); +MODULE_DESCRIPTION("ROHM BD71837/BD71847 Power Management IC driver"); MODULE_LICENSE("GPL"); |