72 static inline int is_imx23_gpio(struct mxs_gpio_port *port)  in is_imx23_gpio()  argument
74 	return port->devid == IMX23_GPIO;  in is_imx23_gpio()
77 static inline int is_imx28_gpio(struct mxs_gpio_port *port)  in is_imx28_gpio()  argument
79 	return port->devid == IMX28_GPIO;  in is_imx28_gpio()
89 	struct mxs_gpio_port *port = gc->private;  in mxs_gpio_set_irq_type()  local
93 	port->both_edges &= ~pin_mask;  in mxs_gpio_set_irq_type()
96 		val = gpio_get_value(port->bgc.gc.base + d->hwirq);  in mxs_gpio_set_irq_type()
101 		port->both_edges |= pin_mask;  in mxs_gpio_set_irq_type()
120 	pin_addr = port->base + PINCTRL_IRQLEV(port);  in mxs_gpio_set_irq_type()
127 	pin_addr = port->base + PINCTRL_IRQPOL(port);  in mxs_gpio_set_irq_type()
134 	       port->base + PINCTRL_IRQSTAT(port) + MXS_CLR);  in mxs_gpio_set_irq_type()
139 static void mxs_flip_edge(struct mxs_gpio_port *port, u32 gpio)  in mxs_flip_edge()  argument
146 	pin_addr = port->base + PINCTRL_IRQPOL(port);  in mxs_flip_edge()
160 	struct mxs_gpio_port *port = irq_desc_get_handler_data(desc);  in mxs_gpio_irq_handler()  local
164 	irq_stat = readl(port->base + PINCTRL_IRQSTAT(port)) &  in mxs_gpio_irq_handler()
165 			readl(port->base + PINCTRL_IRQEN(port));  in mxs_gpio_irq_handler()
169 		if (port->both_edges & (1 << irqoffset))  in mxs_gpio_irq_handler()
170 			mxs_flip_edge(port, irqoffset);  in mxs_gpio_irq_handler()
172 		generic_handle_irq(irq_find_mapping(port->domain, irqoffset));  in mxs_gpio_irq_handler()
189 	struct mxs_gpio_port *port = gc->private;  in mxs_gpio_set_wake_irq()  local
192 		enable_irq_wake(port->irq);  in mxs_gpio_set_wake_irq()
194 		disable_irq_wake(port->irq);  in mxs_gpio_set_wake_irq()
199 static int __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)  in mxs_gpio_init_gc()  argument
205 				    port->base, handle_level_irq);  in mxs_gpio_init_gc()
209 	gc->private = port;  in mxs_gpio_init_gc()
217 	ct->regs.ack = PINCTRL_IRQSTAT(port) + MXS_CLR;  in mxs_gpio_init_gc()
218 	ct->regs.mask = PINCTRL_IRQEN(port);  in mxs_gpio_init_gc()
229 	struct mxs_gpio_port *port =  in mxs_gpio_to_irq()  local
232 	return irq_find_mapping(port->domain, offset);  in mxs_gpio_to_irq()
238 	struct mxs_gpio_port *port =  in mxs_gpio_get_direction()  local
243 	dir = readl(port->base + PINCTRL_DOE(port));  in mxs_gpio_get_direction()
274 	struct mxs_gpio_port *port;  in mxs_gpio_probe()  local
278 	port = devm_kzalloc(&pdev->dev, sizeof(*port), GFP_KERNEL);  in mxs_gpio_probe()
279 	if (!port)  in mxs_gpio_probe()
282 	port->id = of_alias_get_id(np, "gpio");  in mxs_gpio_probe()
283 	if (port->id < 0)  in mxs_gpio_probe()
284 		return port->id;  in mxs_gpio_probe()
285 	port->devid = (enum mxs_gpio_id) of_id->data;  in mxs_gpio_probe()
286 	port->irq = platform_get_irq(pdev, 0);  in mxs_gpio_probe()
287 	if (port->irq < 0)  in mxs_gpio_probe()
288 		return port->irq;  in mxs_gpio_probe()
301 	port->base = base;  in mxs_gpio_probe()
307 	writel(~0U, port->base + PINCTRL_PIN2IRQ(port));  in mxs_gpio_probe()
308 	writel(0, port->base + PINCTRL_IRQEN(port));  in mxs_gpio_probe()
311 	writel(~0U, port->base + PINCTRL_IRQSTAT(port) + MXS_CLR);  in mxs_gpio_probe()
317 	port->domain = irq_domain_add_legacy(np, 32, irq_base, 0,  in mxs_gpio_probe()
319 	if (!port->domain) {  in mxs_gpio_probe()
325 	err = mxs_gpio_init_gc(port, irq_base);  in mxs_gpio_probe()
330 	irq_set_chained_handler_and_data(port->irq, mxs_gpio_irq_handler,  in mxs_gpio_probe()
331 					 port);  in mxs_gpio_probe()
333 	err = bgpio_init(&port->bgc, &pdev->dev, 4,  in mxs_gpio_probe()
334 			 port->base + PINCTRL_DIN(port),  in mxs_gpio_probe()
335 			 port->base + PINCTRL_DOUT(port) + MXS_SET,  in mxs_gpio_probe()
336 			 port->base + PINCTRL_DOUT(port) + MXS_CLR,  in mxs_gpio_probe()
337 			 port->base + PINCTRL_DOE(port), NULL, 0);  in mxs_gpio_probe()
341 	port->bgc.gc.to_irq = mxs_gpio_to_irq;  in mxs_gpio_probe()
342 	port->bgc.gc.get_direction = mxs_gpio_get_direction;  in mxs_gpio_probe()
343 	port->bgc.gc.base = port->id * 32;  in mxs_gpio_probe()
345 	err = gpiochip_add(&port->bgc.gc);  in mxs_gpio_probe()
352 	bgpio_remove(&port->bgc);  in mxs_gpio_probe()
354 	irq_domain_remove(port->domain);  in mxs_gpio_probe()