1 // SPDX-License-Identifier: GPL-2.0-only
3  * TI Palma series PMIC's GPIO driver.
13 #include <linux/mfd/palmas.h>
19 	struct palmas *palmas;  member
29 	struct palmas *palmas = pg->palmas;  in palmas_gpio_get()  local
38 	ret = palmas_read(palmas, PALMAS_GPIO_BASE, reg, &val);  in palmas_gpio_get()
40 		dev_err(gc->parent, "Reg 0x%02x read failed, %d\n", reg, ret);  in palmas_gpio_get()
49 	ret = palmas_read(palmas, PALMAS_GPIO_BASE, reg, &val);  in palmas_gpio_get()
51 		dev_err(gc->parent, "Reg 0x%02x read failed, %d\n", reg, ret);  in palmas_gpio_get()
61 	struct palmas *palmas = pg->palmas;  in palmas_gpio_set()  local
74 	ret = palmas_write(palmas, PALMAS_GPIO_BASE, reg, BIT(offset));  in palmas_gpio_set()
76 		dev_err(gc->parent, "Reg 0x%02x write failed, %d\n", reg, ret);  in palmas_gpio_set()
83 	struct palmas *palmas = pg->palmas;  in palmas_gpio_output()  local
94 	ret = palmas_update_bits(palmas, PALMAS_GPIO_BASE, reg,  in palmas_gpio_output()
97 		dev_err(gc->parent, "Reg 0x%02x update failed, %d\n", reg,  in palmas_gpio_output()
105 	struct palmas *palmas = pg->palmas;  in palmas_gpio_input()  local
113 	ret = palmas_update_bits(palmas, PALMAS_GPIO_BASE, reg, BIT(offset), 0);  in palmas_gpio_input()
115 		dev_err(gc->parent, "Reg 0x%02x update failed, %d\n", reg,  in palmas_gpio_input()
123 	struct palmas *palmas = pg->palmas;  in palmas_gpio_to_irq()  local
125 	return palmas_irq_get_virq(palmas, PALMAS_GPIO_0_IRQ + offset);  in palmas_gpio_to_irq()
137 	{ .compatible = "ti,palmas-gpio", .data = &palmas_dev_data,},
138 	{ .compatible = "ti,tps65913-gpio", .data = &palmas_dev_data,},
139 	{ .compatible = "ti,tps65914-gpio", .data = &palmas_dev_data,},
140 	{ .compatible = "ti,tps80036-gpio", .data = &tps80036_dev_data,},
146 	struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);  in palmas_gpio_probe()  local
152 	dev_data = of_device_get_match_data(&pdev->dev);  in palmas_gpio_probe()
156 	palmas_gpio = devm_kzalloc(&pdev->dev,  in palmas_gpio_probe()
159 		return -ENOMEM;  in palmas_gpio_probe()
161 	palmas_gpio->palmas = palmas;  in palmas_gpio_probe()
162 	palmas_gpio->gpio_chip.owner = THIS_MODULE;  in palmas_gpio_probe()
163 	palmas_gpio->gpio_chip.label = dev_name(&pdev->dev);  in palmas_gpio_probe()
164 	palmas_gpio->gpio_chip.ngpio = dev_data->ngpio;  in palmas_gpio_probe()
165 	palmas_gpio->gpio_chip.can_sleep = true;  in palmas_gpio_probe()
166 	palmas_gpio->gpio_chip.direction_input = palmas_gpio_input;  in palmas_gpio_probe()
167 	palmas_gpio->gpio_chip.direction_output = palmas_gpio_output;  in palmas_gpio_probe()
168 	palmas_gpio->gpio_chip.to_irq = palmas_gpio_to_irq;  in palmas_gpio_probe()
169 	palmas_gpio->gpio_chip.set	= palmas_gpio_set;  in palmas_gpio_probe()
170 	palmas_gpio->gpio_chip.get	= palmas_gpio_get;  in palmas_gpio_probe()
171 	palmas_gpio->gpio_chip.parent = &pdev->dev;  in palmas_gpio_probe()
173 	palmas_pdata = dev_get_platdata(palmas->dev);  in palmas_gpio_probe()
174 	if (palmas_pdata && palmas_pdata->gpio_base)  in palmas_gpio_probe()
175 		palmas_gpio->gpio_chip.base = palmas_pdata->gpio_base;  in palmas_gpio_probe()
177 		palmas_gpio->gpio_chip.base = -1;  in palmas_gpio_probe()
179 	ret = devm_gpiochip_add_data(&pdev->dev, &palmas_gpio->gpio_chip,  in palmas_gpio_probe()
182 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);  in palmas_gpio_probe()
190 	.driver.name	= "palmas-gpio",