1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) ST-Ericsson SA 2010
5  * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
6  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
40 	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;  in tc3589x_gpio_get()
55 	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;  in tc3589x_gpio_set()
67 	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;  in tc3589x_gpio_direction_output()
83 	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;  in tc3589x_gpio_direction_input()
94 	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;  in tc3589x_gpio_get_direction()
113 	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;  in tc3589x_gpio_set_config()
116 	 * ODM bit 0 = drive to GND or Hi-Z (open drain)  in tc3589x_gpio_set_config()
117 	 * ODM bit 1 = drive to VDD or Hi-Z (open source)  in tc3589x_gpio_set_config()
126 		/* Set open drain mode */  in tc3589x_gpio_set_config()
130 		/* Enable open drain/source mode */  in tc3589x_gpio_set_config()
133 		/* Set open source mode */  in tc3589x_gpio_set_config()
137 		/* Enable open drain/source mode */  in tc3589x_gpio_set_config()
140 		/* Disable open drain/source mode */  in tc3589x_gpio_set_config()
145 	return -ENOTSUPP;  in tc3589x_gpio_set_config()
164 	int offset = d->hwirq;  in tc3589x_gpio_irq_set_type()
169 		tc3589x_gpio->regs[REG_IBE][regoffset] |= mask;  in tc3589x_gpio_irq_set_type()
173 	tc3589x_gpio->regs[REG_IBE][regoffset] &= ~mask;  in tc3589x_gpio_irq_set_type()
176 		tc3589x_gpio->regs[REG_IS][regoffset] |= mask;  in tc3589x_gpio_irq_set_type()
178 		tc3589x_gpio->regs[REG_IS][regoffset] &= ~mask;  in tc3589x_gpio_irq_set_type()
181 		tc3589x_gpio->regs[REG_IEV][regoffset] |= mask;  in tc3589x_gpio_irq_set_type()
183 		tc3589x_gpio->regs[REG_IEV][regoffset] &= ~mask;  in tc3589x_gpio_irq_set_type()
193 	mutex_lock(&tc3589x_gpio->irq_lock);  in tc3589x_gpio_irq_lock()
200 	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;  in tc3589x_gpio_irq_sync_unlock()
212 			u8 old = tc3589x_gpio->oldregs[i][j];  in tc3589x_gpio_irq_sync_unlock()
213 			u8 new = tc3589x_gpio->regs[i][j];  in tc3589x_gpio_irq_sync_unlock()
218 			tc3589x_gpio->oldregs[i][j] = new;  in tc3589x_gpio_irq_sync_unlock()
223 	mutex_unlock(&tc3589x_gpio->irq_lock);  in tc3589x_gpio_irq_sync_unlock()
230 	int offset = d->hwirq;  in tc3589x_gpio_irq_mask()
234 	tc3589x_gpio->regs[REG_IE][regoffset] &= ~mask;  in tc3589x_gpio_irq_mask()
235 	tc3589x_gpio->regs[REG_DIRECT][regoffset] |= mask;  in tc3589x_gpio_irq_mask()
243 	int offset = d->hwirq;  in tc3589x_gpio_irq_unmask()
248 	tc3589x_gpio->regs[REG_IE][regoffset] |= mask;  in tc3589x_gpio_irq_unmask()
249 	tc3589x_gpio->regs[REG_DIRECT][regoffset] &= ~mask;  in tc3589x_gpio_irq_unmask()
253 	.name			= "tc3589x-gpio",
266 	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;  in tc3589x_gpio_irq()
284 			int irq = irq_find_mapping(tc3589x_gpio->chip.irq.domain,  in tc3589x_gpio_irq()
299 	struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent);  in tc3589x_gpio_probe()
300 	struct device_node *np = pdev->dev.of_node;  in tc3589x_gpio_probe()
307 		dev_err(&pdev->dev, "No Device Tree node found\n");  in tc3589x_gpio_probe()
308 		return -EINVAL;  in tc3589x_gpio_probe()
315 	tc3589x_gpio = devm_kzalloc(&pdev->dev, sizeof(struct tc3589x_gpio),  in tc3589x_gpio_probe()
318 		return -ENOMEM;  in tc3589x_gpio_probe()
320 	mutex_init(&tc3589x_gpio->irq_lock);  in tc3589x_gpio_probe()
322 	tc3589x_gpio->dev = &pdev->dev;  in tc3589x_gpio_probe()
323 	tc3589x_gpio->tc3589x = tc3589x;  in tc3589x_gpio_probe()
325 	tc3589x_gpio->chip = template_chip;  in tc3589x_gpio_probe()
326 	tc3589x_gpio->chip.ngpio = tc3589x->num_gpio;  in tc3589x_gpio_probe()
327 	tc3589x_gpio->chip.parent = &pdev->dev;  in tc3589x_gpio_probe()
328 	tc3589x_gpio->chip.base = -1;  in tc3589x_gpio_probe()
330 	girq = &tc3589x_gpio->chip.irq;  in tc3589x_gpio_probe()
333 	girq->parent_handler = NULL;  in tc3589x_gpio_probe()
334 	girq->num_parents = 0;  in tc3589x_gpio_probe()
335 	girq->parents = NULL;  in tc3589x_gpio_probe()
336 	girq->default_type = IRQ_TYPE_NONE;  in tc3589x_gpio_probe()
337 	girq->handler = handle_simple_irq;  in tc3589x_gpio_probe()
338 	girq->threaded = true;  in tc3589x_gpio_probe()
357 	ret = devm_request_threaded_irq(&pdev->dev,  in tc3589x_gpio_probe()
359 					IRQF_ONESHOT, "tc3589x-gpio",  in tc3589x_gpio_probe()
362 		dev_err(&pdev->dev, "unable to get irq: %d\n", ret);  in tc3589x_gpio_probe()
366 	return devm_gpiochip_add_data(&pdev->dev, &tc3589x_gpio->chip, tc3589x_gpio);  in tc3589x_gpio_probe()
370 	.driver.name	= "tc3589x-gpio",