1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5  * Author: <alexandre.belloni@free-electrons.com>
19 #include <linux/pinctrl/pinconf-generic.h>
120 	struct regmap *map;  member
204 	*groups  = info->func[function].groups;  in ocelot_get_function_groups()
205 	*num_groups = info->func[function].ngroups;  in ocelot_get_function_groups()
216 		if (function == p->functions[i])  in ocelot_pin_function_idx()
220 	return -1;  in ocelot_pin_function_idx()
232 		return -EINVAL;  in ocelot_pinmux_set_mux()
241 	regmap_update_bits(info->map, OCELOT_GPIO_ALT0, BIT(pin->pin),  in ocelot_pinmux_set_mux()
242 			   f << pin->pin);  in ocelot_pinmux_set_mux()
243 	regmap_update_bits(info->map, OCELOT_GPIO_ALT1, BIT(pin->pin),  in ocelot_pinmux_set_mux()
244 			   f << (pin->pin - 1));  in ocelot_pinmux_set_mux()
250 				     struct pinctrl_gpio_range *range,  in ocelot_gpio_set_direction()  argument
255 	regmap_update_bits(info->map, OCELOT_GPIO_OE, BIT(pin),  in ocelot_gpio_set_direction()
262 				      struct pinctrl_gpio_range *range,  in ocelot_gpio_request_enable()  argument
267 	regmap_update_bits(info->map, OCELOT_GPIO_ALT0, BIT(offset), 0);  in ocelot_gpio_request_enable()
268 	regmap_update_bits(info->map, OCELOT_GPIO_ALT1, BIT(offset), 0);  in ocelot_gpio_request_enable()
313 	.name = "ocelot-pinctrl",
333 		info->func[f].ngroups = npins;  in ocelot_create_group_func_map()
334 		info->func[f].groups = devm_kcalloc(dev,  in ocelot_create_group_func_map()
338 		if (!info->func[f].groups)  in ocelot_create_group_func_map()
339 			return -ENOMEM;  in ocelot_create_group_func_map()
342 			info->func[f].groups[i] = ocelot_pins[pins[i]].name;  in ocelot_create_group_func_map()
353 	ret = ocelot_create_group_func_map(&pdev->dev, info);  in ocelot_pinctrl_register()
355 		dev_err(&pdev->dev, "Unable to create group func map.\n");  in ocelot_pinctrl_register()
359 	info->pctl = devm_pinctrl_register(&pdev->dev, &ocelot_desc, info);  in ocelot_pinctrl_register()
360 	if (IS_ERR(info->pctl)) {  in ocelot_pinctrl_register()
361 		dev_err(&pdev->dev, "Failed to register pinctrl\n");  in ocelot_pinctrl_register()
362 		return PTR_ERR(info->pctl);  in ocelot_pinctrl_register()
373 	regmap_read(info->map, OCELOT_GPIO_IN, &val);  in ocelot_gpio_get()
384 		regmap_write(info->map, OCELOT_GPIO_OUT_SET, BIT(offset));  in ocelot_gpio_set()
386 		regmap_write(info->map, OCELOT_GPIO_OUT_CLR, BIT(offset));  in ocelot_gpio_set()
395 	regmap_read(info->map, OCELOT_GPIO_OE, &val);  in ocelot_gpio_get_direction()
403 	return pinctrl_gpio_direction_input(chip->base + offset);  in ocelot_gpio_direction_input()
413 		regmap_write(info->map, OCELOT_GPIO_OUT_SET, pin);  in ocelot_gpio_direction_output()
415 		regmap_write(info->map, OCELOT_GPIO_OUT_CLR, pin);  in ocelot_gpio_direction_output()
417 	return pinctrl_gpio_direction_output(chip->base + offset);  in ocelot_gpio_direction_output()
437 	regmap_update_bits(info->map, OCELOT_GPIO_INTR_ENA, BIT(gpio), 0);  in ocelot_irq_mask()
446 	regmap_update_bits(info->map, OCELOT_GPIO_INTR_ENA, BIT(gpio),  in ocelot_irq_unmask()
456 	regmap_write_bits(info->map, OCELOT_GPIO_INTR, BIT(gpio), BIT(gpio));  in ocelot_irq_ack()
483 		return -EINVAL;  in ocelot_irq_set_type()
501 	unsigned long irqs;  in ocelot_irq_handler()  local
503 	regmap_read(info->map, OCELOT_GPIO_INTR_IDENT, &reg);  in ocelot_irq_handler()
509 	irqs = reg;  in ocelot_irq_handler()
511 	for_each_set_bit(irq, &irqs, OCELOT_PINS) {  in ocelot_irq_handler()
512 		generic_handle_irq(irq_linear_revmap(chip->irq.domain, irq));  in ocelot_irq_handler()
524 	info->gpio_chip = ocelot_gpiolib_chip;  in ocelot_gpiochip_register()
526 	gc = &info->gpio_chip;  in ocelot_gpiochip_register()
527 	gc->ngpio = OCELOT_PINS;  in ocelot_gpiochip_register()
528 	gc->parent = &pdev->dev;  in ocelot_gpiochip_register()
529 	gc->base = 0;  in ocelot_gpiochip_register()
530 	gc->of_node = info->dev->of_node;  in ocelot_gpiochip_register()
531 	gc->label = "ocelot-gpio";  in ocelot_gpiochip_register()
533 	ret = devm_gpiochip_add_data(&pdev->dev, gc, info);  in ocelot_gpiochip_register()
537 	irq = irq_of_parse_and_map(pdev->dev.of_node, 0);  in ocelot_gpiochip_register()
560 	{ .compatible = "mscc,ocelot-pinctrl" },
566 	struct device *dev = &pdev->dev;  in ocelot_pinctrl_probe()
573 		return -ENOMEM;  in ocelot_pinctrl_probe()
582 	info->map = devm_regmap_init_mmio(dev, base,  in ocelot_pinctrl_probe()
584 	if (IS_ERR(info->map)) {  in ocelot_pinctrl_probe()
586 		return PTR_ERR(info->map);  in ocelot_pinctrl_probe()
588 	dev_set_drvdata(dev, info->map);  in ocelot_pinctrl_probe()
589 	info->dev = dev;  in ocelot_pinctrl_probe()
604 		.name = "pinctrl-ocelot",