1# 2# W1 subsystem configuration 3# 4 5menu "1-Wire support" 6 7config W1 8 bool "Enable 1-wire controllers support" 9 default no 10 depends on DM 11 help 12 Support for the Dallas 1-Wire bus. 13 14if W1 15 16config W1_GPIO 17 bool "Enable 1-wire GPIO bitbanging" 18 default no 19 depends on DM_GPIO 20 help 21 Emulate a 1-wire bus using a GPIO. 22 23config W1_MXC 24 bool "Enable 1-wire controller on i.MX processors" 25 default no 26 depends on ARCH_MX25 || ARCH_MX31 || ARCH_MX5 27 help 28 Support the one wire controller found in some members of the NXP 29 i.MX SoC family. 30 There are currently two silicon variants: 31 V1: i.MX21, i.MX27, i.MX31, i.MX51 32 V2: i.MX25, i.MX35, i.MX50, i.MX53 33 Newer i.MX SoCs such as the i.MX6 do not have one wire controllers. 34 35 The driver supports both silicon variants. 36 37endif 38 39endmenu 40