diff options
author | Tom Cherry <tcherry@nvidia.com> | 2012-06-05 11:41:56 -0700 |
---|---|---|
committer | Tom Cherry <tcherry@nvidia.com> | 2012-06-05 11:41:56 -0700 |
commit | b46bcc0a3da47431f2711c3d63e9507cfab18ecd (patch) | |
tree | 6b9355395470108f5161840638bf48af0e10f3c1 /drivers/mfd | |
parent | 63fb092060747250a0dd305bd11018caebe23d65 (diff) | |
parent | f61bdbde09605793cfa05f7c59545c62b5e08aa6 (diff) |
Merge commit 'main-ics-2012.06.04-A5' into HEAD
Conflicts:
drivers/media/video/tegra/nvavp/nvavp_dev.c
Change-Id: I7779b0ce58004f80cccf6193148ac49551ce5da5
Diffstat (limited to 'drivers/mfd')
-rw-r--r-- | drivers/mfd/Kconfig | 1 | ||||
-rw-r--r-- | drivers/mfd/rc5t583.c | 47 | ||||
-rw-r--r-- | drivers/mfd/tps65910-irq.c | 34 | ||||
-rw-r--r-- | drivers/mfd/tps65910.c | 218 |
4 files changed, 184 insertions, 116 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index f89c3eedee36..a4931c756205 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -175,7 +175,6 @@ config MFD_TPS65910 bool "TPS65910 Power Management chip" depends on I2C=y && GPIOLIB select MFD_CORE - select GPIO_TPS65910 select REGMAP_I2C help if you say yes here you get support for the TPS65910 series of diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c index 99ef944c621d..cdc1df7fa0e9 100644 --- a/drivers/mfd/rc5t583.c +++ b/drivers/mfd/rc5t583.c @@ -75,49 +75,12 @@ static struct deepsleep_control_data deepsleep_data[] = { (RC5T583_EXT_PWRREQ1_CONTROL | RC5T583_EXT_PWRREQ2_CONTROL) static struct mfd_cell rc5t583_subdevs[] = { + {.name = "rc5t583-gpio",}, {.name = "rc5t583-regulator",}, {.name = "rc5t583-rtc", }, {.name = "rc5t583-key", } }; -int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - return regmap_write(rc5t583->regmap, reg, val); -} - -int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - unsigned int ival; - int ret; - ret = regmap_read(rc5t583->regmap, reg, &ival); - if (!ret) - *val = (uint8_t)ival; - return ret; -} - -int rc5t583_set_bits(struct device *dev, unsigned int reg, - unsigned int bit_mask) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask); -} - -int rc5t583_clear_bits(struct device *dev, unsigned int reg, - unsigned int bit_mask) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0); -} - -int rc5t583_update(struct device *dev, unsigned int reg, - unsigned int val, unsigned int mask) -{ - struct rc5t583 *rc5t583 = dev_get_drvdata(dev); - return regmap_update_bits(rc5t583->regmap, reg, mask, val); -} - static int __rc5t583_set_ext_pwrreq1_control(struct device *dev, int id, int ext_pwr, int slots) { @@ -197,6 +160,7 @@ int rc5t583_ext_power_req_config(struct device *dev, int ds_id, ds_id, ext_pwr_req); return 0; } +EXPORT_SYMBOL(rc5t583_ext_power_req_config); static int rc5t583_clear_ext_power_req(struct rc5t583 *rc5t583, struct rc5t583_platform_data *pdata) @@ -304,7 +268,7 @@ static int __devinit rc5t583_i2c_probe(struct i2c_client *i2c, rc5t583->dev = &i2c->dev; i2c_set_clientdata(i2c, rc5t583); - rc5t583->regmap = regmap_init_i2c(i2c, &rc5t583_regmap_config); + rc5t583->regmap = devm_regmap_init_i2c(i2c, &rc5t583_regmap_config); if (IS_ERR(rc5t583->regmap)) { ret = PTR_ERR(rc5t583->regmap); dev_err(&i2c->dev, "regmap initialization failed: %d\n", ret); @@ -313,7 +277,7 @@ static int __devinit rc5t583_i2c_probe(struct i2c_client *i2c, ret = rc5t583_clear_ext_power_req(rc5t583, pdata); if (ret < 0) - goto err_irq_init; + return ret; if (i2c->irq) { ret = rc5t583_irq_init(rc5t583, i2c->irq, pdata->irq_base); @@ -336,8 +300,6 @@ static int __devinit rc5t583_i2c_probe(struct i2c_client *i2c, err_add_devs: if (irq_init_success) rc5t583_irq_exit(rc5t583); -err_irq_init: - regmap_exit(rc5t583->regmap); return ret; } @@ -347,7 +309,6 @@ static int __devexit rc5t583_i2c_remove(struct i2c_client *i2c) mfd_remove_devices(rc5t583->dev); rc5t583_irq_exit(rc5t583); - regmap_exit(rc5t583->regmap); return 0; } diff --git a/drivers/mfd/tps65910-irq.c b/drivers/mfd/tps65910-irq.c index c9ed5c00a621..0f1ff7fbdc74 100644 --- a/drivers/mfd/tps65910-irq.c +++ b/drivers/mfd/tps65910-irq.c @@ -41,28 +41,28 @@ static inline int irq_to_tps65910_irq(struct tps65910 *tps65910, static irqreturn_t tps65910_irq(int irq, void *irq_data) { struct tps65910 *tps65910 = irq_data; + unsigned int reg; u32 irq_sts; u32 irq_mask; - u8 reg; int i; - tps65910->read(tps65910, TPS65910_INT_STS, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_STS, ®); irq_sts = reg; - tps65910->read(tps65910, TPS65910_INT_STS2, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_STS2, ®); irq_sts |= reg << 8; switch (tps65910_chip_id(tps65910)) { case TPS65911: - tps65910->read(tps65910, TPS65910_INT_STS3, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_STS3, ®); irq_sts |= reg << 16; } - tps65910->read(tps65910, TPS65910_INT_MSK, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_MSK, ®); irq_mask = reg; - tps65910->read(tps65910, TPS65910_INT_MSK2, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_MSK2, ®); irq_mask |= reg << 8; switch (tps65910_chip_id(tps65910)) { case TPS65911: - tps65910->read(tps65910, TPS65910_INT_MSK3, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_MSK3, ®); irq_mask |= reg << 16; } @@ -82,13 +82,13 @@ static irqreturn_t tps65910_irq(int irq, void *irq_data) /* Write the STS register back to clear IRQs we handled */ reg = irq_sts & 0xFF; irq_sts >>= 8; - tps65910->write(tps65910, TPS65910_INT_STS, 1, ®); + tps65910_reg_write(tps65910, TPS65910_INT_STS, reg); reg = irq_sts & 0xFF; - tps65910->write(tps65910, TPS65910_INT_STS2, 1, ®); + tps65910_reg_write(tps65910, TPS65910_INT_STS2, reg); switch (tps65910_chip_id(tps65910)) { case TPS65911: reg = irq_sts >> 8; - tps65910->write(tps65910, TPS65910_INT_STS3, 1, ®); + tps65910_reg_write(tps65910, TPS65910_INT_STS3, reg); } return IRQ_HANDLED; @@ -105,27 +105,27 @@ static void tps65910_irq_sync_unlock(struct irq_data *data) { struct tps65910 *tps65910 = irq_data_get_irq_chip_data(data); u32 reg_mask; - u8 reg; + unsigned int reg; - tps65910->read(tps65910, TPS65910_INT_MSK, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_MSK, ®); reg_mask = reg; - tps65910->read(tps65910, TPS65910_INT_MSK2, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_MSK2, ®); reg_mask |= reg << 8; switch (tps65910_chip_id(tps65910)) { case TPS65911: - tps65910->read(tps65910, TPS65910_INT_MSK3, 1, ®); + tps65910_reg_read(tps65910, TPS65910_INT_MSK3, ®); reg_mask |= reg << 16; } if (tps65910->irq_mask != reg_mask) { reg = tps65910->irq_mask & 0xFF; - tps65910->write(tps65910, TPS65910_INT_MSK, 1, ®); + tps65910_reg_write(tps65910, TPS65910_INT_MSK, reg); reg = tps65910->irq_mask >> 8 & 0xFF; - tps65910->write(tps65910, TPS65910_INT_MSK2, 1, ®); + tps65910_reg_write(tps65910, TPS65910_INT_MSK2, reg); switch (tps65910_chip_id(tps65910)) { case TPS65911: reg = tps65910->irq_mask >> 16; - tps65910->write(tps65910, TPS65910_INT_MSK3, 1, ®); + tps65910_reg_write(tps65910, TPS65910_INT_MSK3, reg); } } mutex_unlock(&tps65910->irq_lock); diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c index 1c4f53efee74..18b30cf45e5b 100644 --- a/drivers/mfd/tps65910.c +++ b/drivers/mfd/tps65910.c @@ -19,13 +19,16 @@ #include <linux/err.h> #include <linux/slab.h> #include <linux/i2c.h> -#include <linux/gpio.h> #include <linux/mfd/core.h> #include <linux/regmap.h> #include <linux/mfd/tps65910.h> +#include <linux/of_device.h> static struct mfd_cell tps65910s[] = { { + .name = "tps65910-gpio", + }, + { .name = "tps65910-pmic", }, { @@ -37,30 +40,6 @@ static struct mfd_cell tps65910s[] = { }; -static int tps65910_i2c_read(struct tps65910 *tps65910, u8 reg, - int bytes, void *dest) -{ - return regmap_bulk_read(tps65910->regmap, reg, dest, bytes); -} - -static int tps65910_i2c_write(struct tps65910 *tps65910, u8 reg, - int bytes, void *src) -{ - return regmap_bulk_write(tps65910->regmap, reg, src, bytes); -} - -int tps65910_set_bits(struct tps65910 *tps65910, u8 reg, u8 mask) -{ - return regmap_update_bits(tps65910->regmap, reg, mask, mask); -} -EXPORT_SYMBOL_GPL(tps65910_set_bits); - -int tps65910_clear_bits(struct tps65910 *tps65910, u8 reg, u8 mask) -{ - return regmap_update_bits(tps65910->regmap, reg, mask, 0); -} -EXPORT_SYMBOL_GPL(tps65910_clear_bits); - static bool is_volatile_reg(struct device *dev, unsigned int reg) { struct tps65910 *tps65910 = dev_get_drvdata(dev); @@ -81,84 +60,212 @@ static bool is_volatile_reg(struct device *dev, unsigned int reg) return true; } -static const struct regmap_config rc5t583_regmap_config = { +static const struct regmap_config tps65910_regmap_config = { .reg_bits = 8, .val_bits = 8, .volatile_reg = is_volatile_reg, - .max_register = TPS65910_MAX_REGISTER, - .num_reg_defaults_raw = TPS65910_MAX_REGISTER, + .max_register = TPS65910_MAX_REGISTER - 1, .cache_type = REGCACHE_RBTREE, }; -static int tps65910_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static int __devinit tps65910_sleepinit(struct tps65910 *tps65910, + struct tps65910_board *pmic_pdata) +{ + struct device *dev = NULL; + int ret = 0; + + dev = tps65910->dev; + + if (!pmic_pdata->en_dev_slp) + return 0; + + /* enabling SLEEP device state */ + ret = tps65910_reg_set_bits(tps65910, TPS65910_DEVCTRL, + DEVCTRL_DEV_SLP_MASK); + if (ret < 0) { + dev_err(dev, "set dev_slp failed: %d\n", ret); + goto err_sleep_init; + } + + /* Return if there is no sleep keepon data. */ + if (!pmic_pdata->slp_keepon) + return 0; + + if (pmic_pdata->slp_keepon->therm_keepon) { + ret = tps65910_reg_set_bits(tps65910, + TPS65910_SLEEP_KEEP_RES_ON, + SLEEP_KEEP_RES_ON_THERM_KEEPON_MASK); + if (ret < 0) { + dev_err(dev, "set therm_keepon failed: %d\n", ret); + goto disable_dev_slp; + } + } + + if (pmic_pdata->slp_keepon->clkout32k_keepon) { + ret = tps65910_reg_set_bits(tps65910, + TPS65910_SLEEP_KEEP_RES_ON, + SLEEP_KEEP_RES_ON_CLKOUT32K_KEEPON_MASK); + if (ret < 0) { + dev_err(dev, "set clkout32k_keepon failed: %d\n", ret); + goto disable_dev_slp; + } + } + + if (pmic_pdata->slp_keepon->i2chs_keepon) { + ret = tps65910_reg_set_bits(tps65910, + TPS65910_SLEEP_KEEP_RES_ON, + SLEEP_KEEP_RES_ON_I2CHS_KEEPON_MASK); + if (ret < 0) { + dev_err(dev, "set i2chs_keepon failed: %d\n", ret); + goto disable_dev_slp; + } + } + + return 0; + +disable_dev_slp: + tps65910_reg_clear_bits(tps65910, TPS65910_DEVCTRL, + DEVCTRL_DEV_SLP_MASK); + +err_sleep_init: + return ret; +} + +#ifdef CONFIG_OF +static struct of_device_id tps65910_of_match[] = { + { .compatible = "ti,tps65910", .data = (void *)TPS65910}, + { .compatible = "ti,tps65911", .data = (void *)TPS65911}, + { }, +}; +MODULE_DEVICE_TABLE(of, tps65910_of_match); + +static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client, + int *chip_id) +{ + struct device_node *np = client->dev.of_node; + struct tps65910_board *board_info; + unsigned int prop; + const struct of_device_id *match; + unsigned int prop_array[TPS6591X_MAX_NUM_GPIO]; + int ret = 0; + int idx; + + match = of_match_device(tps65910_of_match, &client->dev); + if (!match) { + dev_err(&client->dev, "Failed to find matching dt id\n"); + return NULL; + } + + *chip_id = (int)match->data; + + board_info = devm_kzalloc(&client->dev, sizeof(*board_info), + GFP_KERNEL); + if (!board_info) { + dev_err(&client->dev, "Failed to allocate pdata\n"); + return NULL; + } + + ret = of_property_read_u32(np, "ti,vmbch-threshold", &prop); + if (!ret) + board_info->vmbch_threshold = prop; + else if (*chip_id == TPS65911) + dev_warn(&client->dev, "VMBCH-Threshold not specified"); + + ret = of_property_read_u32(np, "ti,vmbch2-threshold", &prop); + if (!ret) + board_info->vmbch2_threshold = prop; + else if (*chip_id == TPS65911) + dev_warn(&client->dev, "VMBCH2-Threshold not specified"); + + ret = of_property_read_u32_array(np, "ti,en-gpio-sleep", + prop_array, TPS6591X_MAX_NUM_GPIO); + if (!ret) + for (idx = 0; idx < ARRAY_SIZE(prop_array); idx++) + board_info->en_gpio_sleep[idx] = (prop_array[idx] != 0); + else if (ret != -EINVAL) { + dev_err(&client->dev, + "error reading property ti,en-gpio-sleep: %d\n.", ret); + return NULL; + } + + + board_info->irq = client->irq; + board_info->irq_base = -1; + board_info->gpio_base = -1; + + return board_info; +} +#else +static inline +struct tps65910_board *tps65910_parse_dt(struct i2c_client *client, + int *chip_id) +{ + return NULL; +} +#endif + +static __devinit int tps65910_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { struct tps65910 *tps65910; struct tps65910_board *pmic_plat_data; struct tps65910_platform_data *init_data; int ret = 0; + int chip_id = id->driver_data; pmic_plat_data = dev_get_platdata(&i2c->dev); + + if (!pmic_plat_data && i2c->dev.of_node) + pmic_plat_data = tps65910_parse_dt(i2c, &chip_id); + if (!pmic_plat_data) return -EINVAL; - init_data = kzalloc(sizeof(struct tps65910_platform_data), GFP_KERNEL); + init_data = devm_kzalloc(&i2c->dev, sizeof(*init_data), GFP_KERNEL); if (init_data == NULL) return -ENOMEM; - tps65910 = kzalloc(sizeof(struct tps65910), GFP_KERNEL); - if (tps65910 == NULL) { - kfree(init_data); + tps65910 = devm_kzalloc(&i2c->dev, sizeof(*tps65910), GFP_KERNEL); + if (tps65910 == NULL) return -ENOMEM; - } i2c_set_clientdata(i2c, tps65910); tps65910->dev = &i2c->dev; tps65910->i2c_client = i2c; - tps65910->id = id->driver_data; - tps65910->read = tps65910_i2c_read; - tps65910->write = tps65910_i2c_write; + tps65910->id = chip_id; mutex_init(&tps65910->io_mutex); - tps65910->regmap = regmap_init_i2c(i2c, &rc5t583_regmap_config); + tps65910->regmap = devm_regmap_init_i2c(i2c, &tps65910_regmap_config); if (IS_ERR(tps65910->regmap)) { ret = PTR_ERR(tps65910->regmap); dev_err(&i2c->dev, "regmap initialization failed: %d\n", ret); - goto regmap_err; + return ret; } ret = mfd_add_devices(tps65910->dev, -1, tps65910s, ARRAY_SIZE(tps65910s), NULL, 0); - if (ret < 0) - goto err; + if (ret < 0) { + dev_err(&i2c->dev, "mfd_add_devices failed: %d\n", ret); + return ret; + } init_data->irq = pmic_plat_data->irq; init_data->irq_base = pmic_plat_data->irq_base; - tps65910_gpio_init(tps65910, pmic_plat_data->gpio_base); - tps65910_irq_init(tps65910, init_data->irq, init_data); - kfree(init_data); - return ret; + tps65910_sleepinit(tps65910, pmic_plat_data); -err: - regmap_exit(tps65910->regmap); -regmap_err: - kfree(tps65910); - kfree(init_data); return ret; } -static int tps65910_i2c_remove(struct i2c_client *i2c) +static __devexit int tps65910_i2c_remove(struct i2c_client *i2c) { struct tps65910 *tps65910 = i2c_get_clientdata(i2c); tps65910_irq_exit(tps65910); mfd_remove_devices(tps65910->dev); - regmap_exit(tps65910->regmap); - kfree(tps65910); return 0; } @@ -175,9 +282,10 @@ static struct i2c_driver tps65910_i2c_driver = { .driver = { .name = "tps65910", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(tps65910_of_match), }, .probe = tps65910_i2c_probe, - .remove = tps65910_i2c_remove, + .remove = __devexit_p(tps65910_i2c_remove), .id_table = tps65910_i2c_id, }; |