32 static int arizona_gpio_direction_in(struct gpio_chip *chip, unsigned offset)  in arizona_gpio_direction_in()  argument
35 	struct arizona *arizona = arizona_gpio->arizona;  in arizona_gpio_direction_in()
36 	bool persistent = gpiochip_line_is_persistent(chip, offset);  in arizona_gpio_direction_in()
40 	ret = regmap_update_bits_check(arizona->regmap,  in arizona_gpio_direction_in()
41 				       ARIZONA_GPIO1_CTRL + offset,  in arizona_gpio_direction_in()
48 		pm_runtime_mark_last_busy(chip->parent);  in arizona_gpio_direction_in()
49 		pm_runtime_put_autosuspend(chip->parent);  in arizona_gpio_direction_in()
55 static int arizona_gpio_get(struct gpio_chip *chip, unsigned offset)  in arizona_gpio_get()  argument
58 	struct arizona *arizona = arizona_gpio->arizona;  in arizona_gpio_get()
62 	reg = ARIZONA_GPIO1_CTRL + offset;  in arizona_gpio_get()
63 	ret = regmap_read(arizona->regmap, reg, &val);  in arizona_gpio_get()
67 	/* Resume to read actual registers for input pins */  in arizona_gpio_get()
69 		ret = pm_runtime_get_sync(chip->parent);  in arizona_gpio_get()
71 			dev_err(chip->parent, "Failed to resume: %d\n", ret);  in arizona_gpio_get()
72 			pm_runtime_put_autosuspend(chip->parent);  in arizona_gpio_get()
77 		ret = regcache_drop_region(arizona->regmap, reg, reg);  in arizona_gpio_get()
79 			dev_err(chip->parent, "Failed to drop cache: %d\n",  in arizona_gpio_get()
81 			pm_runtime_put_autosuspend(chip->parent);  in arizona_gpio_get()
85 		ret = regmap_read(arizona->regmap, reg, &val);  in arizona_gpio_get()
87 			pm_runtime_put_autosuspend(chip->parent);  in arizona_gpio_get()
91 		pm_runtime_mark_last_busy(chip->parent);  in arizona_gpio_get()
92 		pm_runtime_put_autosuspend(chip->parent);  in arizona_gpio_get()
102 				     unsigned offset, int value)  in arizona_gpio_direction_out()  argument
105 	struct arizona *arizona = arizona_gpio->arizona;  in arizona_gpio_direction_out()
106 	bool persistent = gpiochip_line_is_persistent(chip, offset);  in arizona_gpio_direction_out()
110 	ret = regmap_read(arizona->regmap, ARIZONA_GPIO1_CTRL + offset, &val);  in arizona_gpio_direction_out()
115 		ret = pm_runtime_get_sync(chip->parent);  in arizona_gpio_direction_out()
117 			dev_err(chip->parent, "Failed to resume: %d\n", ret);  in arizona_gpio_direction_out()
118 			pm_runtime_put(chip->parent);  in arizona_gpio_direction_out()
126 	return regmap_update_bits(arizona->regmap, ARIZONA_GPIO1_CTRL + offset,  in arizona_gpio_direction_out()
130 static void arizona_gpio_set(struct gpio_chip *chip, unsigned offset, int value)  in arizona_gpio_set()  argument
133 	struct arizona *arizona = arizona_gpio->arizona;  in arizona_gpio_set()
138 	regmap_update_bits(arizona->regmap, ARIZONA_GPIO1_CTRL + offset,  in arizona_gpio_set()
154 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);  in arizona_gpio_probe()
155 	struct arizona_pdata *pdata = dev_get_platdata(arizona->dev);  in arizona_gpio_probe()
159 	arizona_gpio = devm_kzalloc(&pdev->dev, sizeof(*arizona_gpio),  in arizona_gpio_probe()
162 		return -ENOMEM;  in arizona_gpio_probe()
164 	arizona_gpio->arizona = arizona;  in arizona_gpio_probe()
165 	arizona_gpio->gpio_chip = template_chip;  in arizona_gpio_probe()
166 	arizona_gpio->gpio_chip.parent = &pdev->dev;  in arizona_gpio_probe()
168 	arizona_gpio->gpio_chip.of_node = arizona->dev->of_node;  in arizona_gpio_probe()
171 	switch (arizona->type) {  in arizona_gpio_probe()
178 		arizona_gpio->gpio_chip.ngpio = 5;  in arizona_gpio_probe()
182 		arizona_gpio->gpio_chip.ngpio = 2;  in arizona_gpio_probe()
185 		dev_err(&pdev->dev, "Unknown chip variant %d\n",  in arizona_gpio_probe()
186 			arizona->type);  in arizona_gpio_probe()
187 		return -EINVAL;  in arizona_gpio_probe()
190 	if (pdata && pdata->gpio_base)  in arizona_gpio_probe()
191 		arizona_gpio->gpio_chip.base = pdata->gpio_base;  in arizona_gpio_probe()
193 		arizona_gpio->gpio_chip.base = -1;  in arizona_gpio_probe()
195 	pm_runtime_enable(&pdev->dev);  in arizona_gpio_probe()
197 	ret = devm_gpiochip_add_data(&pdev->dev, &arizona_gpio->gpio_chip,  in arizona_gpio_probe()
200 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n",  in arizona_gpio_probe()
209 	.driver.name	= "arizona-gpio",
218 MODULE_ALIAS("platform:arizona-gpio");