62 	struct u300_gpio *gpio;  member
94 	(gpio->base + (pin >> 3) * gpio->stride + gpio->reg)
226 	int gpio = chip->base + offset;  in u300_gpio_request()  local
228 	return pinctrl_request_gpio(gpio);  in u300_gpio_request()
233 	int gpio = chip->base + offset;  in u300_gpio_free()  local
235 	pinctrl_free_gpio(gpio);  in u300_gpio_free()
240 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_get()  local
247 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_set()  local
264 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_direction_input()  local
280 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_direction_output()  local
311 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_config_get()  local
369 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_config_set()  local
410 		dev_err(gpio->dev, "illegal configuration requested\n");  in u300_gpio_config_set()
428 static void u300_toggle_trigger(struct u300_gpio *gpio, unsigned offset)  in u300_toggle_trigger()  argument
434 	if (u300_gpio_get(&gpio->chip, offset)) {  in u300_toggle_trigger()
437 		dev_dbg(gpio->dev, "next IRQ on falling edge on pin %d\n",  in u300_toggle_trigger()
442 		dev_dbg(gpio->dev, "next IRQ on rising edge on pin %d\n",  in u300_toggle_trigger()
450 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_irq_type()  local
451 	struct u300_gpio_port *port = &gpio->ports[d->hwirq >> 3];  in u300_gpio_irq_type()
462 		dev_dbg(gpio->dev,  in u300_gpio_irq_type()
466 		u300_toggle_trigger(gpio, offset);  in u300_gpio_irq_type()
468 		dev_dbg(gpio->dev, "trigger on rising edge on pin %d\n",  in u300_gpio_irq_type()
474 		dev_dbg(gpio->dev, "trigger on falling edge on pin %d\n",  in u300_gpio_irq_type()
487 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_irq_enable()  local
488 	struct u300_gpio_port *port = &gpio->ports[d->hwirq >> 3];  in u300_gpio_irq_enable()
493 	dev_dbg(gpio->dev, "enable IRQ for hwirq %lu on port %s, offset %d\n",  in u300_gpio_irq_enable()
504 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_irq_disable()  local
526 	struct u300_gpio *gpio = to_u300_gpio(chip);  in u300_gpio_irq_handler()  local
527 	struct u300_gpio_port *port = &gpio->ports[irq - chip->base];  in u300_gpio_irq_handler()
548 			dev_dbg(gpio->dev, "GPIO IRQ %d on pin %d\n",  in u300_gpio_irq_handler()
556 				u300_toggle_trigger(gpio, offset);  in u300_gpio_irq_handler()
563 static void __init u300_gpio_init_pin(struct u300_gpio *gpio,  in u300_gpio_init_pin()  argument
569 		u300_gpio_direction_output(&gpio->chip, offset, conf->outval);  in u300_gpio_init_pin()
572 		u300_gpio_config_set(&gpio->chip, offset,  in u300_gpio_init_pin()
576 		u300_gpio_config_set(&gpio->chip, offset,  in u300_gpio_init_pin()
579 		dev_dbg(gpio->dev, "set up pin %d as output, value: %d\n",  in u300_gpio_init_pin()
582 		u300_gpio_direction_input(&gpio->chip, offset);  in u300_gpio_init_pin()
585 		u300_gpio_set(&gpio->chip, offset, 0);  in u300_gpio_init_pin()
588 		u300_gpio_config_set(&gpio->chip, offset, conf->bias_mode);  in u300_gpio_init_pin()
590 		dev_dbg(gpio->dev, "set up pin %d as input, bias: %04x\n",  in u300_gpio_init_pin()
595 static void __init u300_gpio_init_coh901571(struct u300_gpio *gpio)  in u300_gpio_init_coh901571()  argument
606 			u300_gpio_init_pin(gpio, offset, conf);  in u300_gpio_init_coh901571()
643 	struct u300_gpio *gpio;  in u300_gpio_probe()  local
651 	gpio = devm_kzalloc(&pdev->dev, sizeof(struct u300_gpio), GFP_KERNEL);  in u300_gpio_probe()
652 	if (gpio == NULL)  in u300_gpio_probe()
655 	gpio->chip = u300_gpio_chip;  in u300_gpio_probe()
656 	gpio->chip.ngpio = U300_GPIO_NUM_PORTS * U300_GPIO_PINS_PER_PORT;  in u300_gpio_probe()
657 	gpio->chip.dev = &pdev->dev;  in u300_gpio_probe()
658 	gpio->chip.base = 0;  in u300_gpio_probe()
659 	gpio->dev = &pdev->dev;  in u300_gpio_probe()
662 	gpio->base = devm_ioremap_resource(&pdev->dev, memres);  in u300_gpio_probe()
663 	if (IS_ERR(gpio->base))  in u300_gpio_probe()
664 		return PTR_ERR(gpio->base);  in u300_gpio_probe()
666 	gpio->clk = devm_clk_get(gpio->dev, NULL);  in u300_gpio_probe()
667 	if (IS_ERR(gpio->clk)) {  in u300_gpio_probe()
668 		err = PTR_ERR(gpio->clk);  in u300_gpio_probe()
669 		dev_err(gpio->dev, "could not get GPIO clock\n");  in u300_gpio_probe()
673 	err = clk_prepare_enable(gpio->clk);  in u300_gpio_probe()
675 		dev_err(gpio->dev, "could not enable GPIO clock\n");  in u300_gpio_probe()
679 	dev_info(gpio->dev,  in u300_gpio_probe()
681 	gpio->stride = U300_GPIO_PORT_STRIDE;  in u300_gpio_probe()
682 	gpio->pcr = U300_GPIO_PXPCR;  in u300_gpio_probe()
683 	gpio->dor = U300_GPIO_PXPDOR;  in u300_gpio_probe()
684 	gpio->dir = U300_GPIO_PXPDIR;  in u300_gpio_probe()
685 	gpio->per = U300_GPIO_PXPER;  in u300_gpio_probe()
686 	gpio->icr = U300_GPIO_PXICR;  in u300_gpio_probe()
687 	gpio->ien = U300_GPIO_PXIEN;  in u300_gpio_probe()
688 	gpio->iev = U300_GPIO_PXIEV;  in u300_gpio_probe()
691 	val = readl(gpio->base + U300_GPIO_CR);  in u300_gpio_probe()
692 	dev_info(gpio->dev, "COH901571/3 block version: %d, " \  in u300_gpio_probe()
698 	       gpio->base + U300_GPIO_CR);  in u300_gpio_probe()
699 	u300_gpio_init_coh901571(gpio);  in u300_gpio_probe()
702 	gpio->chip.of_node = pdev->dev.of_node;  in u300_gpio_probe()
704 	err = gpiochip_add(&gpio->chip);  in u300_gpio_probe()
706 		dev_err(gpio->dev, "unable to add gpiochip: %d\n", err);  in u300_gpio_probe()
710 	err = gpiochip_irqchip_add(&gpio->chip,  in u300_gpio_probe()
716 		dev_err(gpio->dev, "no GPIO irqchip\n");  in u300_gpio_probe()
722 		struct u300_gpio_port *port = &gpio->ports[portno];  in u300_gpio_probe()
726 		port->gpio = gpio;  in u300_gpio_probe()
730 		gpiochip_set_chained_irqchip(&gpio->chip,  in u300_gpio_probe()
736 		writel(0x0, gpio->base + portno * gpio->stride + ifr);  in u300_gpio_probe()
738 	dev_dbg(gpio->dev, "initialized %d GPIO ports\n", portno);  in u300_gpio_probe()
747 		err = gpiochip_add_pin_range(&gpio->chip, "pinctrl-u300",  in u300_gpio_probe()
753 	platform_set_drvdata(pdev, gpio);  in u300_gpio_probe()
759 	gpiochip_remove(&gpio->chip);  in u300_gpio_probe()
761 	clk_disable_unprepare(gpio->clk);  in u300_gpio_probe()
768 	struct u300_gpio *gpio = platform_get_drvdata(pdev);  in u300_gpio_remove()  local
771 	writel(0x00000000U, gpio->base + U300_GPIO_CR);  in u300_gpio_remove()
773 	gpiochip_remove(&gpio->chip);  in u300_gpio_remove()
774 	clk_disable_unprepare(gpio->clk);  in u300_gpio_remove()