1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
30  * Driver for TI TCA64XX I2C GPIO expander module.
173 	msgs[0].slave = sc->addr;  in tca64xx_read()
178 	msgs[1].slave = sc->addr;  in tca64xx_read()
197 	msg.slave = sc->addr;  in tca64xx_write()
216 	switch (compat_ptr->ocd_data) {  in tca64xx_probe()
218 		device_set_desc(dev, "TCA6416 I/O expander");  in tca64xx_probe()
221 		device_set_desc(dev, "TCA6408 I/O expander");  in tca64xx_probe()
239 	switch (compat_ptr->ocd_data) {  in tca64xx_attach()
241 		sc->in_port_reg = TCA6416_IN_PORT_REG;  in tca64xx_attach()
242 		sc->out_port_reg = TCA6416_OUT_PORT_REG;  in tca64xx_attach()
243 		sc->polarity_inv_reg = TCA6416_POLARITY_INV_REG;  in tca64xx_attach()
244 		sc->conf_reg = TCA6416_CONF_REG;  in tca64xx_attach()
245 		sc->num_pins = TCA6416_NUM_PINS;  in tca64xx_attach()
248 		sc->in_port_reg = TCA6408_IN_PORT_REG;  in tca64xx_attach()
249 		sc->out_port_reg = TCA6408_OUT_PORT_REG;  in tca64xx_attach()
250 		sc->polarity_inv_reg = TCA6408_POLARITY_INV_REG;  in tca64xx_attach()
251 		sc->conf_reg = TCA6408_CONF_REG;  in tca64xx_attach()
252 		sc->num_pins = TCA6408_NUM_PINS;  in tca64xx_attach()
258 	sc->pin_caps = TCA64XX_PIN_CAPS;  in tca64xx_attach()
259 	sc->chip = compat_ptr->ocd_data;  in tca64xx_attach()
260 	sc->dev = dev;  in tca64xx_attach()
261 	sc->addr = iicbus_get_addr(dev);  in tca64xx_attach()
263 	mtx_init(&sc->mtx, "tca64xx gpio", "gpio", MTX_DEF);  in tca64xx_attach()
264 	sc->busdev = gpiobus_attach_bus(dev);  in tca64xx_attach()
265 	if (sc->busdev == NULL) {  in tca64xx_attach()
273 	switch (sc->chip) {  in tca64xx_attach()
295 	if (sc->busdev != NULL)  in tca64xx_detach()
296 		gpiobus_detach_bus(sc->busdev);  in tca64xx_detach()
298 	mtx_destroy(&sc->mtx);  in tca64xx_detach()
310 	return (sc->busdev);  in tca64xx_get_bus()
323 	*maxpin = sc->num_pins-1;  in tca64xx_pin_max()
335 	if (pin >= sc->num_pins || caps == NULL)  in tca64xx_pin_getcaps()
337 	*caps = sc->pin_caps;  in tca64xx_pin_getcaps()
353 	if (pin >= sc->num_pins || pflags == NULL)  in tca64xx_pin_getflags()
356 	addr = TCA64XX_REG_ADDR(pin, sc->conf_reg);  in tca64xx_pin_getflags()
363 	addr = TCA64XX_REG_ADDR(pin, sc->polarity_inv_reg);  in tca64xx_pin_getflags()
383 	pins = sc->num_pins;  in tca64xx_pin_setflags()
388 	mtx_lock(&sc->mtx);  in tca64xx_pin_setflags()
390 	addr = TCA64XX_REG_ADDR(pin, sc->conf_reg);  in tca64xx_pin_setflags()
395 	addr = TCA64XX_REG_ADDR(pin, sc->polarity_inv_reg);  in tca64xx_pin_setflags()
410 	addr = TCA64XX_REG_ADDR(pin, sc->conf_reg);  in tca64xx_pin_setflags()
415 	addr = TCA64XX_REG_ADDR(pin, sc->polarity_inv_reg);  in tca64xx_pin_setflags()
419 	mtx_unlock(&sc->mtx);  in tca64xx_pin_setflags()
430 	if (pin >= sc->num_pins || name == NULL)  in tca64xx_pin_getname()
448 	pins = sc->num_pins;  in tca64xx_pin_get()
449 	addr = TCA64XX_REG_ADDR(pin, sc->in_port_reg);  in tca64xx_pin_get()
474 	pins = sc->num_pins;  in tca64xx_pin_set()
475 	addr = TCA64XX_REG_ADDR(pin, sc->out_port_reg);  in tca64xx_pin_set()
483 	mtx_lock(&sc->mtx);  in tca64xx_pin_set()
487 		mtx_unlock(&sc->mtx);  in tca64xx_pin_set()
499 		mtx_unlock(&sc->mtx);  in tca64xx_pin_set()
504 	mtx_unlock(&sc->mtx);  in tca64xx_pin_set()
518 	pins = sc->num_pins;  in tca64xx_pin_toggle()
519 	addr = TCA64XX_REG_ADDR(pin, sc->out_port_reg);  in tca64xx_pin_toggle()
527 	mtx_lock(&sc->mtx);  in tca64xx_pin_toggle()
531 		mtx_unlock(&sc->mtx);  in tca64xx_pin_toggle()
540 		mtx_unlock(&sc->mtx);  in tca64xx_pin_toggle()
545 	mtx_unlock(&sc->mtx);  in tca64xx_pin_toggle()
562 	    TCA6416_IN_PORT_REG, tca64xx_regdump_sysctl, "A", "Input port 1");  in tca6416_regdump_setup()
566 	    "Input port 2");  in tca6416_regdump_setup()
570 	    "Output port 1");  in tca6416_regdump_setup()
574 	    "Output port 2");  in tca6416_regdump_setup()
603 	    TCA6408_IN_PORT_REG, tca64xx_regdump_sysctl, "A", "Input port 1");  in tca6408_regdump_setup()
607 	    "Output port 1");  in tca6408_regdump_setup()