diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-10-22 12:07:24 +1100 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-10-22 12:07:24 +1100 |
commit | bdda420c987ad1689c631b70ca807f8ed4030f35 (patch) | |
tree | ade968fb73a64dfa2de40b212fea4c14eb4d5619 /drivers | |
parent | 5bb545579d322ddd1fab7f8d7becfe7cebf1325c (diff) | |
parent | 69ef42279d3ace298136d12f1084bcea07a5533c (diff) |
Merge remote-tracking branch 'mfd/for-mfd-next'
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/hid/hid-sensor-hub.c | 8 | ||||
-rw-r--r-- | drivers/mfd/Kconfig | 7 | ||||
-rw-r--r-- | drivers/mfd/Makefile | 1 | ||||
-rw-r--r-- | drivers/mfd/arizona-spi.c | 2 | ||||
-rw-r--r-- | drivers/mfd/atmel-hlcdc.c | 122 | ||||
-rw-r--r-- | drivers/mfd/max77693.c | 31 | ||||
-rw-r--r-- | drivers/mfd/mfd-core.c | 8 | ||||
-rw-r--r-- | drivers/mfd/rtsx_usb.c | 4 | ||||
-rw-r--r-- | drivers/mfd/sec-core.c | 10 | ||||
-rw-r--r-- | drivers/mfd/syscon.c | 96 | ||||
-rw-r--r-- | drivers/mfd/tps65217.c | 2 | ||||
-rw-r--r-- | drivers/mfd/viperboard.c | 4 |
12 files changed, 247 insertions, 48 deletions
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index e6d8e18dae97..6a58b6c723aa 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -641,9 +641,6 @@ static int sensor_hub_probe(struct hid_device *hdev, goto err_stop_hw; } sd->hid_sensor_hub_client_devs[ - sd->hid_sensor_client_cnt].id = - PLATFORM_DEVID_AUTO; - sd->hid_sensor_hub_client_devs[ sd->hid_sensor_client_cnt].name = name; sd->hid_sensor_hub_client_devs[ sd->hid_sensor_client_cnt].platform_data = @@ -659,8 +656,9 @@ static int sensor_hub_probe(struct hid_device *hdev, if (last_hsdev) last_hsdev->end_collection_index = i; - ret = mfd_add_devices(&hdev->dev, 0, sd->hid_sensor_hub_client_devs, - sd->hid_sensor_client_cnt, NULL, 0, NULL); + ret = mfd_add_hotplug_devices(&hdev->dev, + sd->hid_sensor_hub_client_devs, + sd->hid_sensor_client_cnt); if (ret < 0) goto err_stop_hw; diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 1456ea70bbc7..cbdb10918af1 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -59,6 +59,12 @@ config MFD_AAT2870_CORE additional drivers must be enabled in order to use the functionality of the device. +config MFD_ATMEL_HLCDC + tristate + select MFD_CORE + select REGMAP_MMIO + depends on OF + config MFD_BCM590XX tristate "Broadcom BCM590xx PMUs" select MFD_CORE @@ -655,7 +661,6 @@ config MFD_SEC_CORE select MFD_CORE select REGMAP_I2C select REGMAP_IRQ - select REGULATOR help Support for the Samsung Electronics MFD series. This driver provides common support for accessing the device, diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 8bd54b1253af..61f8dbf18cbd 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -157,6 +157,7 @@ obj-$(CONFIG_MFD_SPMI_PMIC) += qcom-spmi-pmic.o obj-$(CONFIG_TPS65911_COMPARATOR) += tps65911-comparator.o obj-$(CONFIG_MFD_TPS65090) += tps65090.o obj-$(CONFIG_MFD_AAT2870_CORE) += aat2870-core.o +obj-$(CONFIG_MFD_ATMEL_HLCDC) += atmel-hlcdc.o obj-$(CONFIG_MFD_INTEL_MSIC) += intel_msic.o obj-$(CONFIG_MFD_PALMAS) += palmas.o obj-$(CONFIG_MFD_VIPERBOARD) += viperboard.o diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c index 5145d78bf07e..8ef58bcff193 100644 --- a/drivers/mfd/arizona-spi.c +++ b/drivers/mfd/arizona-spi.c @@ -75,7 +75,9 @@ static int arizona_spi_probe(struct spi_device *spi) static int arizona_spi_remove(struct spi_device *spi) { struct arizona *arizona = spi_get_drvdata(spi); + arizona_dev_exit(arizona); + return 0; } diff --git a/drivers/mfd/atmel-hlcdc.c b/drivers/mfd/atmel-hlcdc.c new file mode 100644 index 000000000000..cfd58f4cc5c3 --- /dev/null +++ b/drivers/mfd/atmel-hlcdc.c @@ -0,0 +1,122 @@ +/* + * Copyright (C) 2014 Free Electrons + * Copyright (C) 2014 Atmel + * + * Author: Boris BREZILLON <boris.brezillon@free-electrons.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/clk.h> +#include <linux/mfd/atmel-hlcdc.h> +#include <linux/mfd/core.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#define ATMEL_HLCDC_REG_MAX (0x4000 - 0x4) + +static const struct mfd_cell atmel_hlcdc_cells[] = { + { + .name = "atmel-hlcdc-pwm", + .of_compatible = "atmel,hlcdc-pwm", + }, + { + .name = "atmel-hlcdc-dc", + .of_compatible = "atmel,hlcdc-display-controller", + }, +}; + +static const struct regmap_config atmel_hlcdc_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .max_register = ATMEL_HLCDC_REG_MAX, +}; + +static int atmel_hlcdc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct atmel_hlcdc *hlcdc; + struct resource *res; + void __iomem *regs; + + hlcdc = devm_kzalloc(dev, sizeof(*hlcdc), GFP_KERNEL); + if (!hlcdc) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + regs = devm_ioremap_resource(dev, res); + if (IS_ERR(regs)) + return PTR_ERR(regs); + + hlcdc->irq = platform_get_irq(pdev, 0); + if (hlcdc->irq < 0) + return hlcdc->irq; + + hlcdc->periph_clk = devm_clk_get(dev, "periph_clk"); + if (IS_ERR(hlcdc->periph_clk)) { + dev_err(dev, "failed to get peripheral clock\n"); + return PTR_ERR(hlcdc->periph_clk); + } + + hlcdc->sys_clk = devm_clk_get(dev, "sys_clk"); + if (IS_ERR(hlcdc->sys_clk)) { + dev_err(dev, "failed to get system clock\n"); + return PTR_ERR(hlcdc->sys_clk); + } + + hlcdc->slow_clk = devm_clk_get(dev, "slow_clk"); + if (IS_ERR(hlcdc->slow_clk)) { + dev_err(dev, "failed to get slow clock\n"); + return PTR_ERR(hlcdc->slow_clk); + } + + hlcdc->regmap = devm_regmap_init_mmio(dev, regs, + &atmel_hlcdc_regmap_config); + if (IS_ERR(hlcdc->regmap)) + return PTR_ERR(hlcdc->regmap); + + dev_set_drvdata(dev, hlcdc); + + return mfd_add_devices(dev, -1, atmel_hlcdc_cells, + ARRAY_SIZE(atmel_hlcdc_cells), + NULL, 0, NULL); +} + +static int atmel_hlcdc_remove(struct platform_device *pdev) +{ + mfd_remove_devices(&pdev->dev); + + return 0; +} + +static const struct of_device_id atmel_hlcdc_match[] = { + { .compatible = "atmel,sama5d3-hlcdc" }, + { /* sentinel */ }, +}; + +static struct platform_driver atmel_hlcdc_driver = { + .probe = atmel_hlcdc_probe, + .remove = atmel_hlcdc_remove, + .driver = { + .name = "atmel-hlcdc", + .of_match_table = atmel_hlcdc_match, + }, +}; +module_platform_driver(atmel_hlcdc_driver); + +MODULE_ALIAS("platform:atmel-hlcdc"); +MODULE_AUTHOR("Boris Brezillon <boris.brezillon@free-electrons.com>"); +MODULE_DESCRIPTION("Atmel HLCDC driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c index cf008f45968c..9d75a364397d 100644 --- a/drivers/mfd/max77693.c +++ b/drivers/mfd/max77693.c @@ -43,9 +43,15 @@ static const struct mfd_cell max77693_devs[] = { { .name = "max77693-pmic", }, - { .name = "max77693-charger", }, + { + .name = "max77693-charger", + .of_compatible = "maxim,max77693-charger", + }, { .name = "max77693-muic", }, - { .name = "max77693-haptic", }, + { + .name = "max77693-haptic", + .of_compatible = "maxim,max77693-haptic", + }, { .name = "max77693-flash", .of_compatible = "maxim,max77693-flash", @@ -147,6 +153,12 @@ static const struct regmap_irq_chip max77693_muic_irq_chip = { .num_irqs = ARRAY_SIZE(max77693_muic_irqs), }; +static const struct regmap_config max77693_regmap_haptic_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = MAX77693_HAPTIC_REG_END, +}; + static int max77693_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -196,6 +208,15 @@ static int max77693_i2c_probe(struct i2c_client *i2c, } i2c_set_clientdata(max77693->haptic, max77693); + max77693->regmap_haptic = devm_regmap_init_i2c(max77693->haptic, + &max77693_regmap_haptic_config); + if (IS_ERR(max77693->regmap_haptic)) { + ret = PTR_ERR(max77693->regmap_haptic); + dev_err(max77693->dev, + "failed to initialize haptic register map: %d\n", ret); + goto err_regmap; + } + /* * Initialize register map for MUIC device because use regmap-muic * instance of MUIC device when irq of max77693 is initialized @@ -207,7 +228,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c, ret = PTR_ERR(max77693->regmap_muic); dev_err(max77693->dev, "failed to allocate register map: %d\n", ret); - goto err_regmap_muic; + goto err_regmap; } ret = regmap_add_irq_chip(max77693->regmap, max77693->irq, @@ -217,7 +238,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c, &max77693->irq_data_led); if (ret) { dev_err(max77693->dev, "failed to add irq chip: %d\n", ret); - goto err_regmap_muic; + goto err_regmap; } ret = regmap_add_irq_chip(max77693->regmap, max77693->irq, @@ -268,7 +289,7 @@ err_irq_charger: regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys); err_irq_topsys: regmap_del_irq_chip(max77693->irq, max77693->irq_data_led); -err_regmap_muic: +err_regmap: i2c_unregister_device(max77693->haptic); err_i2c_haptic: i2c_unregister_device(max77693->muic); diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index f3338fe9d069..2a87f69be53d 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -125,9 +125,15 @@ static int mfd_add_device(struct device *parent, int id, struct platform_device *pdev; struct device_node *np = NULL; int ret = -ENOMEM; + int platform_id; int r; - pdev = platform_device_alloc(cell->name, id + cell->id); + if (id < 0) + platform_id = id; + else + platform_id = id + cell->id; + + pdev = platform_device_alloc(cell->name, platform_id); if (!pdev) goto fail_alloc; diff --git a/drivers/mfd/rtsx_usb.c b/drivers/mfd/rtsx_usb.c index 9cf98d142d9a..dbdd0faeb6ce 100644 --- a/drivers/mfd/rtsx_usb.c +++ b/drivers/mfd/rtsx_usb.c @@ -647,8 +647,8 @@ static int rtsx_usb_probe(struct usb_interface *intf, /* initialize USB SG transfer timer */ setup_timer(&ucr->sg_timer, rtsx_usb_sg_timed_out, (unsigned long) ucr); - ret = mfd_add_devices(&intf->dev, usb_dev->devnum, rtsx_usb_cells, - ARRAY_SIZE(rtsx_usb_cells), NULL, 0, NULL); + ret = mfd_add_hotplug_devices(&intf->dev, rtsx_usb_cells, + ARRAY_SIZE(rtsx_usb_cells)); if (ret) goto out_init_fail; diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c index dba7e2b6f8e9..5993608ce205 100644 --- a/drivers/mfd/sec-core.c +++ b/drivers/mfd/sec-core.c @@ -31,7 +31,6 @@ #include <linux/mfd/samsung/s2mpu02.h> #include <linux/mfd/samsung/s5m8763.h> #include <linux/mfd/samsung/s5m8767.h> -#include <linux/regulator/machine.h> #include <linux/regmap.h> static const struct mfd_cell s5m8751_devs[] = { @@ -432,15 +431,6 @@ static int sec_pmic_suspend(struct device *dev) */ disable_irq(sec_pmic->irq); - switch (sec_pmic->device_type) { - case S2MPS14X: - case S2MPU02: - regulator_suspend_prepare(PM_SUSPEND_MEM); - break; - default: - break; - } - return 0; } diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index ca15878ce5c0..72373b113885 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -15,6 +15,7 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/list.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_platform.h> @@ -22,31 +23,94 @@ #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/mfd/syscon.h> +#include <linux/slab.h> static struct platform_driver syscon_driver; +static DEFINE_SPINLOCK(syscon_list_slock); +static LIST_HEAD(syscon_list); + struct syscon { + struct device_node *np; struct regmap *regmap; + struct list_head list; +}; + +static struct regmap_config syscon_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, }; -static int syscon_match_node(struct device *dev, void *data) +static struct syscon *of_syscon_register(struct device_node *np) { - struct device_node *dn = data; + struct syscon *syscon; + struct regmap *regmap; + void __iomem *base; + int ret; + struct regmap_config syscon_config = syscon_regmap_config; + + if (!of_device_is_compatible(np, "syscon")) + return ERR_PTR(-EINVAL); + + syscon = kzalloc(sizeof(*syscon), GFP_KERNEL); + if (!syscon) + return ERR_PTR(-ENOMEM); + + base = of_iomap(np, 0); + if (!base) { + ret = -ENOMEM; + 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; + + regmap = regmap_init_mmio(NULL, base, &syscon_config); + if (IS_ERR(regmap)) { + pr_err("regmap init failed\n"); + ret = PTR_ERR(regmap); + goto err_regmap; + } + + syscon->regmap = regmap; + syscon->np = np; + + spin_lock(&syscon_list_slock); + list_add_tail(&syscon->list, &syscon_list); + spin_unlock(&syscon_list_slock); - return (dev->of_node == dn) ? 1 : 0; + return syscon; + +err_regmap: + iounmap(base); +err_map: + kfree(syscon); + return ERR_PTR(ret); } struct regmap *syscon_node_to_regmap(struct device_node *np) { - struct syscon *syscon; - struct device *dev; + struct syscon *entry, *syscon = NULL; - dev = driver_find_device(&syscon_driver.driver, NULL, np, - syscon_match_node); - if (!dev) - return ERR_PTR(-EPROBE_DEFER); + spin_lock(&syscon_list_slock); - syscon = dev_get_drvdata(dev); + list_for_each_entry(entry, &syscon_list, list) + if (entry->np == np) { + syscon = entry; + break; + } + + spin_unlock(&syscon_list_slock); + + if (!syscon) + syscon = of_syscon_register(np); + + if (IS_ERR(syscon)) + return ERR_CAST(syscon); return syscon->regmap; } @@ -110,17 +174,6 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np, } EXPORT_SYMBOL_GPL(syscon_regmap_lookup_by_phandle); -static const struct of_device_id of_syscon_match[] = { - { .compatible = "syscon", }, - { }, -}; - -static struct regmap_config syscon_regmap_config = { - .reg_bits = 32, - .val_bits = 32, - .reg_stride = 4, -}; - static int syscon_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -167,7 +220,6 @@ static struct platform_driver syscon_driver = { .driver = { .name = "syscon", .owner = THIS_MODULE, - .of_match_table = of_syscon_match, }, .probe = syscon_probe, .id_table = syscon_ids, diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c index a8ee52c95f2f..80a919a8ca97 100644 --- a/drivers/mfd/tps65217.c +++ b/drivers/mfd/tps65217.c @@ -33,9 +33,11 @@ static const struct mfd_cell tps65217s[] = { { .name = "tps65217-pmic", + .of_compatible = "ti,tps65217-pmic", }, { .name = "tps65217-bl", + .of_compatible = "ti,tps65217-bl", }, }; diff --git a/drivers/mfd/viperboard.c b/drivers/mfd/viperboard.c index e00f5340ed87..e6b3c70aeb22 100644 --- a/drivers/mfd/viperboard.c +++ b/drivers/mfd/viperboard.c @@ -93,8 +93,8 @@ static int vprbrd_probe(struct usb_interface *interface, version >> 8, version & 0xff, vb->usb_dev->bus->busnum, vb->usb_dev->devnum); - ret = mfd_add_devices(&interface->dev, -1, vprbrd_devs, - ARRAY_SIZE(vprbrd_devs), NULL, 0, NULL); + ret = mfd_add_hotplug_devices(&interface->dev, vprbrd_devs, + ARRAY_SIZE(vprbrd_devs)); if (ret != 0) { dev_err(&interface->dev, "Failed to add mfd devices to core."); goto error; |