4 - The Maxim/Dallas Semiconductor DS2482 provides 1-wire busses.
6 - The Maxim/Dallas Semiconductor DS2490 builds USB <-> W1 bridges.
8 - W1 master controller driver found on Freescale MX2/MX3 SoCs
10 - HDQ/1-wire module of TI OMAP 2430/3430.
12 - GPIO 1-wire bus master driver.