1 // SPDX-License-Identifier: (GPL-2.0)
3  * Microchip PolarFire SoC (MPFS) GPIO controller driver
5  * Copyright (c) 2018-2024 Microchip Technology Inc. and its subsidiaries
61 	regmap_update_bits(mpfs_gpio->regs, MPFS_GPIO_CTRL(gpio_index),  in mpfs_gpio_direction_input()
71 	regmap_update_bits(mpfs_gpio->regs, MPFS_GPIO_CTRL(gpio_index),  in mpfs_gpio_direction_output()
73 	regmap_update_bits(mpfs_gpio->regs, mpfs_gpio->offsets->outp, BIT(gpio_index),  in mpfs_gpio_direction_output()
85 	regmap_read(mpfs_gpio->regs, MPFS_GPIO_CTRL(gpio_index), &gpio_cfg);  in mpfs_gpio_get_direction()
97 		return regmap_test_bits(mpfs_gpio->regs, mpfs_gpio->offsets->outp, BIT(gpio_index));  in mpfs_gpio_get()
99 		return regmap_test_bits(mpfs_gpio->regs, mpfs_gpio->offsets->inp, BIT(gpio_index));  in mpfs_gpio_get()
108 	regmap_update_bits(mpfs_gpio->regs, mpfs_gpio->offsets->outp, BIT(gpio_index),  in mpfs_gpio_set()
116 	struct device *dev = &pdev->dev;  in mpfs_gpio_probe()
124 		return -ENOMEM;  in mpfs_gpio_probe()
126 	mpfs_gpio->offsets = device_get_match_data(&pdev->dev);  in mpfs_gpio_probe()
132 	mpfs_gpio->regs = devm_regmap_init_mmio(dev, base, &mpfs_gpio_regmap_config);  in mpfs_gpio_probe()
133 	if (IS_ERR(mpfs_gpio->regs))  in mpfs_gpio_probe()
134 		return dev_err_probe(dev, PTR_ERR(mpfs_gpio->regs),  in mpfs_gpio_probe()
139 		return dev_err_probe(dev, PTR_ERR(clk), "failed to get and enable clock\n");  in mpfs_gpio_probe()
146 	mpfs_gpio->gc.direction_input = mpfs_gpio_direction_input;  in mpfs_gpio_probe()
147 	mpfs_gpio->gc.direction_output = mpfs_gpio_direction_output;  in mpfs_gpio_probe()
148 	mpfs_gpio->gc.get_direction = mpfs_gpio_get_direction;  in mpfs_gpio_probe()
149 	mpfs_gpio->gc.get = mpfs_gpio_get;  in mpfs_gpio_probe()
150 	mpfs_gpio->gc.set = mpfs_gpio_set;  in mpfs_gpio_probe()
151 	mpfs_gpio->gc.base = -1;  in mpfs_gpio_probe()
152 	mpfs_gpio->gc.ngpio = ngpios;  in mpfs_gpio_probe()
153 	mpfs_gpio->gc.label = dev_name(dev);  in mpfs_gpio_probe()
154 	mpfs_gpio->gc.parent = dev;  in mpfs_gpio_probe()
155 	mpfs_gpio->gc.owner = THIS_MODULE;  in mpfs_gpio_probe()
157 	return devm_gpiochip_add_data(dev, &mpfs_gpio->gc, mpfs_gpio);  in mpfs_gpio_probe()
172 		.compatible = "microchip,mpfs-gpio",
175 		.compatible = "microchip,coregpio-rtl-v3",
184 		.name = "microchip,mpfs-gpio",