| Gilad Arnold | 5b2d00a | 2012-02-24 14:10:08 -0800 | [diff] [blame^] | 1 | # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| 2 | # Use of this source code is governed by a BSD-style license that can be |
| 3 | # found in the LICENSE file. |
| 4 | # |
| 5 | # These rules are in charge of exporting the dut_flaga and dut_flagb GPIOs on |
| 6 | # different platforms. The GPIO IDs are registered as attributes, which can be |
| 7 | # detected by client processes. This was motivated by update engine |
| 8 | # auto-testing framework. |
| 9 | |
| 10 | # Identify the GPIO chip and set dut_flaga identifier on different platforms. |
| 11 | # Unfortunately, Mario does not have a debug header, hence no GPIOs exposed. |
| 12 | # |
| 13 | # - Alex: |
| 14 | ATTR{[dmi/id]product_name}=="Alex", SUBSYSTEM=="gpio", KERNEL=="gpiochip192", \ |
| 15 | ENV{ID_GPIO_DUTFLAGA}="205", ENV{ID_GPIO_DUTFLAGB}="202" |
| 16 | # - ZGB: |
| 17 | ATTR{[dmi/id]product_name}=="ZGB", SUBSYSTEM=="gpio", KERNEL=="gpiochip192", \ |
| 18 | ENV{ID_GPIO_DUTFLAGA}="216", ENV{ID_GPIO_DUTFLAGB}="195" |
| 19 | # - Lumpy, Stumpy: |
| 20 | # TODO(garnold) Stumpy is current disabled, as its dutflag GPIOs are |
| 21 | # non-pull-up wired, which means that they can read arbitrary values when not |
| 22 | # connected to Servo. Once fixed or properly handled by the application, this |
| 23 | # should read "Lumpy|Stumpty". |
| 24 | ATTR{[dmi/id]product_name}=="Lumpy", SUBSYSTEM=="gpio", KERNEL=="gpiochip160", \ |
| 25 | ENV{ID_GPIO_DUTFLAGA}="173", ENV{ID_GPIO_DUTFLAGB}="170" |
| 26 | |
| 27 | # Export dut_flaga/b and register their identifier as an attribute. |
| 28 | ACTION=="add|change", SUBSYSTEM=="gpio", \ |
| 29 | ENV{ID_GPIO_DUTFLAGA}=="?*", ENV{ID_GPIO_DUTFLAGB}=="?*", \ |
| 30 | ATTR{subsystem/export}="%E{ID_GPIO_DUTFLAGA}", \ |
| 31 | ATTR{subsystem/export}="%E{ID_GPIO_DUTFLAGB}" |