1 // SPDX-License-Identifier: GPL-2.0-only
3  *  Copyright Intel Corporation (C) 2014-2016. All Rights Reserved
7  * Adapted from gpio-tps65910.c
11 #include <linux/mfd/altera-a10sr.h>
17  * struct altr_a10sr_gpio - Altera Max5 GPIO device private data structure
18  * @gp:   : instance of the gpio_chip
22 	struct gpio_chip gp;  member
31 	ret = regmap_read(gpio->regmap, ALTR_A10SR_PBDSW_REG, &val);  in altr_a10sr_gpio_get()
35 	return !!(val & BIT(offset - ALTR_A10SR_LED_VALID_SHIFT));  in altr_a10sr_gpio_get()
43 	regmap_update_bits(gpio->regmap, ALTR_A10SR_LED_REG,  in altr_a10sr_gpio_set()
52 	if (nr < (ALTR_A10SR_IN_VALID_RANGE_LO - ALTR_A10SR_LED_VALID_SHIFT))  in altr_a10sr_gpio_direction_input()
53 		return -EINVAL;  in altr_a10sr_gpio_direction_input()
61 	if (nr > (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT))  in altr_a10sr_gpio_direction_output()
62 		return -EINVAL;  in altr_a10sr_gpio_direction_output()
77 	.base = -1,
83 	struct altr_a10sr *a10sr = dev_get_drvdata(pdev->dev.parent);  in altr_a10sr_gpio_probe()
85 	gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);  in altr_a10sr_gpio_probe()
87 		return -ENOMEM;  in altr_a10sr_gpio_probe()
89 	gpio->regmap = a10sr->regmap;  in altr_a10sr_gpio_probe()
91 	gpio->gp = altr_a10sr_gc;  in altr_a10sr_gpio_probe()
92 	gpio->gp.parent = pdev->dev.parent;  in altr_a10sr_gpio_probe()
93 	gpio->gp.fwnode = dev_fwnode(&pdev->dev);  in altr_a10sr_gpio_probe()
95 	return devm_gpiochip_add_data(&pdev->dev, &gpio->gp, gpio);  in altr_a10sr_gpio_probe()
99 	{ .compatible = "altr,a10sr-gpio" },