diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/mfd/tps65090.c | 11 | ||||
| -rw-r--r-- | drivers/mfd/tps6586x.c | 86 | ||||
| -rw-r--r-- | drivers/mfd/twl-core.c | 7 |
4 files changed, 87 insertions, 18 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index e35cb6bc9003..b5a0032f616e 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -162,6 +162,7 @@ config MFD_TPS6586X bool "TPS6586x Power Management chips" depends on I2C=y && GPIOLIB && GENERIC_HARDIRQS select MFD_CORE + depends on REGULATOR help If you say yes here you get support for the TPS6586X series of Power Management chips. diff --git a/drivers/mfd/tps65090.c b/drivers/mfd/tps65090.c index a66d4df51293..47f802bf1848 100644 --- a/drivers/mfd/tps65090.c +++ b/drivers/mfd/tps65090.c @@ -78,17 +78,6 @@ static struct mfd_cell tps65090s[] = { }, }; -struct tps65090 { - struct mutex lock; - struct device *dev; - struct i2c_client *client; - struct regmap *rmap; - struct irq_chip irq_chip; - struct mutex irq_lock; - int irq_base; - unsigned int id; -}; - int tps65090_write(struct device *dev, int reg, uint8_t val) { struct tps65090 *tps = dev_get_drvdata(dev); diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index a5ddf31b60ca..c84b5506d5fb 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/gpio.h> #include <linux/i2c.h> +#include <linux/regulator/of_regulator.h> #include <linux/mfd/core.h> #include <linux/mfd/tps6586x.h> @@ -460,6 +461,7 @@ static int __devinit tps6586x_add_subdevs(struct tps6586x *tps6586x, pdev->dev.parent = tps6586x->dev; pdev->dev.platform_data = subdev->platform_data; + pdev->dev.of_node = subdev->of_node; ret = platform_device_add(pdev); if (ret) { @@ -474,6 +476,86 @@ failed: return ret; } +#ifdef CONFIG_OF +static struct of_regulator_match tps6586x_matches[] = { + { .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 }, + { .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 }, + { .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 }, + { .name = "ldo0", .driver_data = (void *)TPS6586X_ID_LDO_0 }, + { .name = "ldo1", .driver_data = (void *)TPS6586X_ID_LDO_1 }, + { .name = "ldo2", .driver_data = (void *)TPS6586X_ID_LDO_2 }, + { .name = "ldo3", .driver_data = (void *)TPS6586X_ID_LDO_3 }, + { .name = "ldo4", .driver_data = (void *)TPS6586X_ID_LDO_4 }, + { .name = "ldo5", .driver_data = (void *)TPS6586X_ID_LDO_5 }, + { .name = "ldo6", .driver_data = (void *)TPS6586X_ID_LDO_6 }, + { .name = "ldo7", .driver_data = (void *)TPS6586X_ID_LDO_7 }, + { .name = "ldo8", .driver_data = (void *)TPS6586X_ID_LDO_8 }, + { .name = "ldo9", .driver_data = (void *)TPS6586X_ID_LDO_9 }, + { .name = "ldo_rtc", .driver_data = (void *)TPS6586X_ID_LDO_RTC }, +}; + +static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client) +{ + const unsigned int num = ARRAY_SIZE(tps6586x_matches); + struct device_node *np = client->dev.of_node; + struct tps6586x_platform_data *pdata; + struct tps6586x_subdev_info *devs; + struct device_node *regs; + unsigned int count; + unsigned int i, j; + int err; + + regs = of_find_node_by_name(np, "regulators"); + if (!regs) + return NULL; + + err = of_regulator_match(&client->dev, regs, tps6586x_matches, num); + if (err < 0) { + of_node_put(regs); + return NULL; + } + + of_node_put(regs); + count = err; + + devs = devm_kzalloc(&client->dev, count * sizeof(*devs), GFP_KERNEL); + if (!devs) + return NULL; + + for (i = 0, j = 0; i < num && j < count; i++) { + if (!tps6586x_matches[i].init_data) + continue; + + devs[j].name = "tps6586x-regulator"; + devs[j].platform_data = tps6586x_matches[i].init_data; + devs[j].id = (int)tps6586x_matches[i].driver_data; + devs[j].of_node = tps6586x_matches[i].of_node; + j++; + } + + pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return NULL; + + pdata->num_subdevs = count; + pdata->subdevs = devs; + pdata->gpio_base = -1; + pdata->irq_base = -1; + + return pdata; +} + +static struct of_device_id tps6586x_of_match[] = { + { .compatible = "ti,tps6586x", }, + { }, +}; +#else +static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client) +{ + return NULL; +} +#endif + static int __devinit tps6586x_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -481,6 +563,9 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client, struct tps6586x *tps6586x; int ret; + if (!pdata && client->dev.of_node) + pdata = tps6586x_parse_dt(client); + if (!pdata) { dev_err(&client->dev, "tps6586x requires platform data\n"); return -ENOTSUPP; @@ -573,6 +658,7 @@ static struct i2c_driver tps6586x_driver = { .driver = { .name = "tps6586x", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(tps6586x_of_match), }, .probe = tps6586x_i2c_probe, .remove = __devexit_p(tps6586x_i2c_remove), diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index 7c2267e71f8b..6fc90befa79e 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -224,13 +224,6 @@ #define HIGH_PERF_SQ (1 << 3) #define CK32K_LOWPWR_EN (1 << 7) - -/* chip-specific feature flags, for i2c_device_id.driver_data */ -#define TWL4030_VAUX2 BIT(0) /* pre-5030 voltage ranges */ -#define TPS_SUBSET BIT(1) /* tps659[23]0 have fewer LDOs */ -#define TWL5031 BIT(2) /* twl5031 has different registers */ -#define TWL6030_CLASS BIT(3) /* TWL6030 class */ - /*----------------------------------------------------------------------*/ /* is driver active, bound to a chip? */ |