6  * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
20 static int bcma_gpio_get_value(struct gpio_chip *chip, unsigned gpio)  in bcma_gpio_get_value()  argument
22 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);  in bcma_gpio_get_value()
27 static void bcma_gpio_set_value(struct gpio_chip *chip, unsigned gpio,  in bcma_gpio_set_value()  argument
30 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);  in bcma_gpio_set_value()
35 static int bcma_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)  in bcma_gpio_direction_input()  argument
37 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);  in bcma_gpio_direction_input()
43 static int bcma_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,  in bcma_gpio_direction_output()  argument
46 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);  in bcma_gpio_direction_output()
53 static int bcma_gpio_request(struct gpio_chip *chip, unsigned gpio)  in bcma_gpio_request()  argument
55 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);  in bcma_gpio_request()
66 static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio)  in bcma_gpio_free()  argument
68 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);  in bcma_gpio_free()
97 	.name		= "BCMA-GPIO",
105 	struct gpio_chip *gc = &cc->gpio;  in bcma_gpio_irq_handler()
115 	for_each_set_bit(gpio, &irqs, gc->ngpio)  in bcma_gpio_irq_handler()
116 		generic_handle_irq(irq_find_mapping(gc->irq.domain, gpio));  in bcma_gpio_irq_handler()
124 	struct gpio_chip *chip = &cc->gpio;  in bcma_gpio_irq_init()  local
125 	struct gpio_irq_chip *girq = &chip->irq;  in bcma_gpio_irq_init()
128 	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)  in bcma_gpio_irq_init()
131 	hwirq = bcma_core_irq(cc->core, 0);  in bcma_gpio_irq_init()
140 	girq->chip = &bcma_gpio_irq_chip;  in bcma_gpio_irq_init()
142 	girq->parent_handler = NULL;  in bcma_gpio_irq_init()
143 	girq->num_parents = 0;  in bcma_gpio_irq_init()
144 	girq->parents = NULL;  in bcma_gpio_irq_init()
145 	girq->default_type = IRQ_TYPE_NONE;  in bcma_gpio_irq_init()
146 	girq->handler = handle_simple_irq;  in bcma_gpio_irq_init()
153 	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)  in bcma_gpio_irq_exit()
157 	free_irq(bcma_core_irq(cc->core, 0), cc);  in bcma_gpio_irq_exit()
172 	struct bcma_bus *bus = cc->core->bus;  in bcma_gpio_init()
173 	struct gpio_chip *chip = &cc->gpio;  in bcma_gpio_init()  local
176 	chip->label		= "bcma_gpio";  in bcma_gpio_init()
177 	chip->owner		= THIS_MODULE;  in bcma_gpio_init()
178 	chip->request		= bcma_gpio_request;  in bcma_gpio_init()
179 	chip->free		= bcma_gpio_free;  in bcma_gpio_init()
180 	chip->get		= bcma_gpio_get_value;  in bcma_gpio_init()
181 	chip->set		= bcma_gpio_set_value;  in bcma_gpio_init()
182 	chip->direction_input	= bcma_gpio_direction_input;  in bcma_gpio_init()
183 	chip->direction_output	= bcma_gpio_direction_output;  in bcma_gpio_init()
184 	chip->owner		= THIS_MODULE;  in bcma_gpio_init()
185 	chip->parent		= bus->dev;  in bcma_gpio_init()
187 	chip->of_node		= cc->core->dev.of_node;  in bcma_gpio_init()
189 	switch (bus->chipinfo.id) {  in bcma_gpio_init()
195 		chip->ngpio	= 32;  in bcma_gpio_init()
198 		chip->ngpio	= 16;  in bcma_gpio_init()
203 	 * On MIPS, we don't have Device Tree and we can't use relative (per chip)  in bcma_gpio_init()
209 	    cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)  in bcma_gpio_init()
210 		chip->base		= bus->num * BCMA_GPIO_MAX_PINS;  in bcma_gpio_init()
212 		chip->base		= -1;  in bcma_gpio_init()
218 	err = gpiochip_add_data(chip, cc);  in bcma_gpio_init()
230 	gpiochip_remove(&cc->gpio);  in bcma_gpio_unregister()