Hi All, A puzzle:
the following device tree /* * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Modified by Russell Senior from the weather cape's DTS file. * Minor formatting by C W Rose. Minor additions and mistakes M.Redding */ /dts-v1/; /plugin/; / { compatible = "ti,beaglebone", "ti,beaglebone-black"; part-number = "BB-W1"; version = "00A0"; exclusive-use = "P9.15"; fragment@0 { target = <&am33xx_pinmux>; __overlay__ { bb_w1_pins: pinmux_bb_w1_pins { pinctrl-single,pins = < 0x040 0x37 /*pin P9_15 input with pullup mode 7 - w1-gpio */ >; }; }; }; fragment@1 { target = <&ocp>; __overlay__ { onewire@0 { status = "okay"; compatible = "w1-gpio"; pinctrl-names = "default"; pinctrl-0 = <&bb_w1_pins>; gpios = <&gpio2 16 0>; /*grrr I think this means gpio1_16 (using 1 to 4 instread of 0-3)*/ }; }; }; }; This thing loads -- on ubuntu, but does not seem to produce an accessible device: ls /sys/bus/w1/ devices drivers drivers_autoprobe drivers_probe uevent ls /sys/bus/w1/devices w1_bus_master1 ls /sys/bus/w1/devices/w1_bus_master1 driver uevent w1_master_max_slave_count w1_master_pullup w1_master_slave_count power w1_master_add w1_master_name w1_master_remove w1_master_slaves subsystem w1_master_attempts w1_master_pointer w1_master_search w1_master_timeout hmm .... so, any suggestions where w1_slave might be, so I can access it from python? Thanks for your help Kind regards Matt -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
