1 // SPDX-License-Identifier: GPL-2.0-only
27 static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset)  in palmas_gpio_get()  argument
30 	struct palmas *palmas = pg->palmas;  in palmas_gpio_get()
34 	int gpio16 = (offset/8);  in palmas_gpio_get()
36 	offset %= 8;  in palmas_gpio_get()
41 		dev_err(gc->parent, "Reg 0x%02x read failed, %d\n", reg, ret);  in palmas_gpio_get()
45 	if (val & BIT(offset))  in palmas_gpio_get()
52 		dev_err(gc->parent, "Reg 0x%02x read failed, %d\n", reg, ret);  in palmas_gpio_get()
55 	return !!(val & BIT(offset));  in palmas_gpio_get()
58 static void palmas_gpio_set(struct gpio_chip *gc, unsigned offset,  in palmas_gpio_set()  argument
62 	struct palmas *palmas = pg->palmas;  in palmas_gpio_set()
65 	int gpio16 = (offset/8);  in palmas_gpio_set()
67 	offset %= 8;  in palmas_gpio_set()
75 	ret = palmas_write(palmas, PALMAS_GPIO_BASE, reg, BIT(offset));  in palmas_gpio_set()
77 		dev_err(gc->parent, "Reg 0x%02x write failed, %d\n", reg, ret);  in palmas_gpio_set()
80 static int palmas_gpio_output(struct gpio_chip *gc, unsigned offset,  in palmas_gpio_output()  argument
84 	struct palmas *palmas = pg->palmas;  in palmas_gpio_output()
87 	int gpio16 = (offset/8);  in palmas_gpio_output()
89 	offset %= 8;  in palmas_gpio_output()
93 	palmas_gpio_set(gc, offset, value);  in palmas_gpio_output()
96 				BIT(offset), BIT(offset));  in palmas_gpio_output()
98 		dev_err(gc->parent, "Reg 0x%02x update failed, %d\n", reg,  in palmas_gpio_output()
103 static int palmas_gpio_input(struct gpio_chip *gc, unsigned offset)  in palmas_gpio_input()  argument
106 	struct palmas *palmas = pg->palmas;  in palmas_gpio_input()
109 	int gpio16 = (offset/8);  in palmas_gpio_input()
111 	offset %= 8;  in palmas_gpio_input()
114 	ret = palmas_update_bits(palmas, PALMAS_GPIO_BASE, reg, BIT(offset), 0);  in palmas_gpio_input()
116 		dev_err(gc->parent, "Reg 0x%02x update failed, %d\n", reg,  in palmas_gpio_input()
121 static int palmas_gpio_to_irq(struct gpio_chip *gc, unsigned offset)  in palmas_gpio_to_irq()  argument
124 	struct palmas *palmas = pg->palmas;  in palmas_gpio_to_irq()
126 	return palmas_irq_get_virq(palmas, PALMAS_GPIO_0_IRQ + offset);  in palmas_gpio_to_irq()
138 	{ .compatible = "ti,palmas-gpio", .data = &palmas_dev_data,},
139 	{ .compatible = "ti,tps65913-gpio", .data = &palmas_dev_data,},
140 	{ .compatible = "ti,tps65914-gpio", .data = &palmas_dev_data,},
141 	{ .compatible = "ti,tps80036-gpio", .data = &tps80036_dev_data,},
147 	struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);  in palmas_gpio_probe()
153 	dev_data = of_device_get_match_data(&pdev->dev);  in palmas_gpio_probe()
157 	palmas_gpio = devm_kzalloc(&pdev->dev,  in palmas_gpio_probe()
160 		return -ENOMEM;  in palmas_gpio_probe()
162 	palmas_gpio->palmas = palmas;  in palmas_gpio_probe()
163 	palmas_gpio->gpio_chip.owner = THIS_MODULE;  in palmas_gpio_probe()
164 	palmas_gpio->gpio_chip.label = dev_name(&pdev->dev);  in palmas_gpio_probe()
165 	palmas_gpio->gpio_chip.ngpio = dev_data->ngpio;  in palmas_gpio_probe()
166 	palmas_gpio->gpio_chip.can_sleep = true;  in palmas_gpio_probe()
167 	palmas_gpio->gpio_chip.direction_input = palmas_gpio_input;  in palmas_gpio_probe()
168 	palmas_gpio->gpio_chip.direction_output = palmas_gpio_output;  in palmas_gpio_probe()
169 	palmas_gpio->gpio_chip.to_irq = palmas_gpio_to_irq;  in palmas_gpio_probe()
170 	palmas_gpio->gpio_chip.set	= palmas_gpio_set;  in palmas_gpio_probe()
171 	palmas_gpio->gpio_chip.get	= palmas_gpio_get;  in palmas_gpio_probe()
172 	palmas_gpio->gpio_chip.parent = &pdev->dev;  in palmas_gpio_probe()
174 	palmas_gpio->gpio_chip.of_node = pdev->dev.of_node;  in palmas_gpio_probe()
176 	palmas_pdata = dev_get_platdata(palmas->dev);  in palmas_gpio_probe()
177 	if (palmas_pdata && palmas_pdata->gpio_base)  in palmas_gpio_probe()
178 		palmas_gpio->gpio_chip.base = palmas_pdata->gpio_base;  in palmas_gpio_probe()
180 		palmas_gpio->gpio_chip.base = -1;  in palmas_gpio_probe()
182 	ret = devm_gpiochip_add_data(&pdev->dev, &palmas_gpio->gpio_chip,  in palmas_gpio_probe()
185 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);  in palmas_gpio_probe()
194 	.driver.name	= "palmas-gpio",