w1/masters/ds2482.c

7  * It is a I2C to 1-wire bridge.
8  * There are two variations: -100 and -800, which have 1 or 8 1-wire ports.
27  * a 1-Wire line from low to high. When APU = 0, active pullup is disabled
29  * only a single slave on the 1-Wire line.
66  * The top 4 bits always read 0.
69 #define DS2482_REG_CFG_1WS		0x08	/* 1-wire speed */
112 	/* 1-wire interface(s) */
135 	return conf | ((~conf & 0x0f) << 4);  in ds2482_calculate_config()
199  * 1-Wire interface code
205  * ds2482_wait_1wire_idle - Waits until the 1-wire interface is idle (not busy)
231  * The 1-wire interface must be idle before calling this function.
378  * ds2482_w1_reset_bus - Sends a reset on the 1-wire interface
491 	/* Register 1-wire interface(s) */  in ds2482_probe()
530 	/* Unregister the 1-wire bridge(s) */  in ds2482_remove()