31 	struct i2c_client *client;  member
46 static int adp5588_gpio_read(struct i2c_client *client, u8 reg)  in adp5588_gpio_read()  argument
48 	int ret = i2c_smbus_read_byte_data(client, reg);  in adp5588_gpio_read()
51 		dev_err(&client->dev, "Read Error\n");  in adp5588_gpio_read()
56 static int adp5588_gpio_write(struct i2c_client *client, u8 reg, u8 val)  in adp5588_gpio_write()  argument
58 	int ret = i2c_smbus_write_byte_data(client, reg, val);  in adp5588_gpio_write()
61 		dev_err(&client->dev, "Write Error\n");  in adp5588_gpio_write()
79 		val = adp5588_gpio_read(dev->client, GPIO_DAT_STAT1 + bank);  in adp5588_gpio_get_value()
102 	adp5588_gpio_write(dev->client, GPIO_DAT_OUT1 + bank,  in adp5588_gpio_set_value()
118 	ret = adp5588_gpio_write(dev->client, GPIO_DIR1 + bank, dev->dir[bank]);  in adp5588_gpio_direction_input()
143 	ret = adp5588_gpio_write(dev->client, GPIO_DAT_OUT1 + bank,  in adp5588_gpio_direction_output()
145 	ret |= adp5588_gpio_write(dev->client, GPIO_DIR1 + bank,  in adp5588_gpio_direction_output()
183 			adp5588_gpio_write(dev->client, GPIO_INT_EN1 + i,  in adp5588_irq_bus_sync_unlock()
213 		dev_err(&dev->client->dev, "irq %d: unsupported type %d\n",  in adp5588_irq_set_type()
229 	adp5588_gpio_write(dev->client, GPIO_INT_LVL1 + bank,  in adp5588_irq_set_type()
244 static int adp5588_gpio_read_intstat(struct i2c_client *client, u8 *buf)  in adp5588_gpio_read_intstat()  argument
246 	int ret = i2c_smbus_read_i2c_block_data(client, GPIO_INT_STAT1, 3, buf);  in adp5588_gpio_read_intstat()
249 		dev_err(&client->dev, "Read INT_STAT Error\n");  in adp5588_gpio_read_intstat()
259 	status = adp5588_gpio_read(dev->client, INT_STAT);  in adp5588_irq_handler()
262 		ret = adp5588_gpio_read_intstat(dev->client, dev->irq_stat);  in adp5588_irq_handler()
282 	adp5588_gpio_write(dev->client, INT_STAT, status); /* Status is W1C */  in adp5588_irq_handler()
289 	struct i2c_client *client = dev->client;  in adp5588_irq_setup()  local
291 			dev_get_platdata(&client->dev);  in adp5588_irq_setup()
295 	adp5588_gpio_write(client, CFG, ADP5588_AUTO_INC);  in adp5588_irq_setup()
296 	adp5588_gpio_write(client, INT_STAT, -1); /* status is W1C */  in adp5588_irq_setup()
297 	adp5588_gpio_read_intstat(client, dev->irq_stat); /* read to clear */  in adp5588_irq_setup()
311 	ret = request_threaded_irq(client->irq,  in adp5588_irq_setup()
315 				   dev_name(&client->dev), dev);  in adp5588_irq_setup()
317 		dev_err(&client->dev, "failed to request irq %d\n",  in adp5588_irq_setup()
318 			client->irq);  in adp5588_irq_setup()
323 	adp5588_gpio_write(client, CFG,  in adp5588_irq_setup()
336 		free_irq(dev->client->irq, dev);  in adp5588_irq_teardown()
342 	struct i2c_client *client = dev->client;  in adp5588_irq_setup()  local
343 	dev_warn(&client->dev, "interrupt support not compiled in\n");  in adp5588_irq_setup()
353 static int adp5588_gpio_probe(struct i2c_client *client,  in adp5588_gpio_probe()  argument
357 			dev_get_platdata(&client->dev);  in adp5588_gpio_probe()
363 		dev_err(&client->dev, "missing platform data\n");  in adp5588_gpio_probe()
367 	if (!i2c_check_functionality(client->adapter,  in adp5588_gpio_probe()
369 		dev_err(&client->dev, "SMBUS Byte Data not Supported\n");  in adp5588_gpio_probe()
373 	dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL);  in adp5588_gpio_probe()
377 	dev->client = client;  in adp5588_gpio_probe()
388 	gc->label = client->name;  in adp5588_gpio_probe()
394 	ret = adp5588_gpio_read(dev->client, DEV_ID);  in adp5588_gpio_probe()
401 		dev->dat_out[i] = adp5588_gpio_read(client, GPIO_DAT_OUT1 + i);  in adp5588_gpio_probe()
402 		dev->dir[i] = adp5588_gpio_read(client, GPIO_DIR1 + i);  in adp5588_gpio_probe()
403 		ret |= adp5588_gpio_write(client, KP_GPIO1 + i, 0);  in adp5588_gpio_probe()
404 		ret |= adp5588_gpio_write(client, GPIO_PULL1 + i,  in adp5588_gpio_probe()
406 		ret |= adp5588_gpio_write(client, GPIO_INT_EN1 + i, 0);  in adp5588_gpio_probe()
413 			dev_warn(&client->dev, "GPIO int not supported\n");  in adp5588_gpio_probe()
425 	dev_info(&client->dev, "IRQ Base: %d Rev.: %d\n",  in adp5588_gpio_probe()
429 		ret = pdata->setup(client, gc->base, gc->ngpio, pdata->context);  in adp5588_gpio_probe()
431 			dev_warn(&client->dev, "setup failed, %d\n", ret);  in adp5588_gpio_probe()
434 	i2c_set_clientdata(client, dev);  in adp5588_gpio_probe()
444 static int adp5588_gpio_remove(struct i2c_client *client)  in adp5588_gpio_remove()  argument
447 			dev_get_platdata(&client->dev);  in adp5588_gpio_remove()
448 	struct adp5588_gpio *dev = i2c_get_clientdata(client);  in adp5588_gpio_remove()
452 		ret = pdata->teardown(client,  in adp5588_gpio_remove()
456 			dev_err(&client->dev, "teardown failed %d\n", ret);  in adp5588_gpio_remove()
462 		free_irq(dev->client->irq, dev);  in adp5588_gpio_remove()