drivers/mfd/tps6586x.c

26 #include <linux/mfd/tps6586x.h>
36 struct tps6586x {
129 	struct tps6586x *tps6586x = dev_get_drvdata(dev);
133 	mutex_lock(&tps6586x->lock);
144 	mutex_unlock(&tps6586x->lock);
151 	struct tps6586x *tps6586x = dev_get_drvdata(dev);
155 	mutex_lock(&tps6586x->lock);
166 	mutex_unlock(&tps6586x->lock);
173 	struct tps6586x *tps6586x = dev_get_drvdata(dev);
177 	mutex_lock(&tps6586x->lock);
179 	ret = __tps6586x_read(tps6586x->client, reg, &reg_val);
185 		ret = __tps6586x_write(tps6586x->client, reg, reg_val);
188 	mutex_unlock(&tps6586x->lock);
195 	struct tps6586x *tps6586x = container_of(gc, struct tps6586x, gpio);
199 	ret = __tps6586x_read(tps6586x->client, TPS6586X_GPIOSET2, &val);
210 	struct tps6586x *tps6586x = container_of(chip, struct tps6586x, gpio);
212 	__tps6586x_write(tps6586x->client, TPS6586X_GPIOSET2,
219 	struct tps6586x *tps6586x = container_of(gc, struct tps6586x, gpio);
227 	return tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET1, val, mask);
230 static void tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base)
237 	tps6586x->gpio.owner		= THIS_MODULE;
238 	tps6586x->gpio.label		= tps6586x->client->name;
239 	tps6586x->gpio.dev		= tps6586x->dev;
240 	tps6586x->gpio.base		= gpio_base;
241 	tps6586x->gpio.ngpio		= 4;
242 	tps6586x->gpio.can_sleep	= 1;
244 	tps6586x->gpio.direction_output	= tps6586x_gpio_output;
245 	tps6586x->gpio.set		= tps6586x_gpio_set;
246 	tps6586x->gpio.get		= tps6586x_gpio_get;
248 	ret = gpiochip_add(&tps6586x->gpio);
250 		dev_warn(tps6586x->dev, "GPIO registration failed: %d\n", ret);
259 static int tps6586x_remove_subdevs(struct tps6586x *tps6586x)
261 	return device_for_each_child(tps6586x->dev, NULL, __remove_subdev);
264 static int __devinit tps6586x_add_subdevs(struct tps6586x *tps6586x,
276 		pdev->dev.parent = tps6586x->dev;
286 	tps6586x_remove_subdevs(tps6586x);
294 	struct tps6586x *tps6586x;
298 		dev_err(&client->dev, "tps6586x requires platform data\n");
313 	tps6586x = kzalloc(sizeof(struct tps6586x), GFP_KERNEL);
314 	if (tps6586x == NULL)
317 	tps6586x->client = client;
318 	tps6586x->dev = &client->dev;
319 	i2c_set_clientdata(client, tps6586x);
321 	mutex_init(&tps6586x->lock);
323 	ret = tps6586x_add_subdevs(tps6586x, pdata);
329 	tps6586x_gpio_init(tps6586x, pdata->gpio_base);
334 	kfree(tps6586x);
344 	{ "tps6586x", 0 },
351 		.name	= "tps6586x",