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authorJack Rosenthal <jrosenth@chromium.org>2021-11-04 12:11:58 -0600
committerCommit Bot <commit-bot@chromium.org>2021-11-05 04:22:34 +0000
commit252457d4b21f46889eebad61d4c0a65331919cec (patch)
tree01856c4d31d710b20e85a74c8d7b5836e35c3b98 /zephyr/Kconfig.adc
parent08f5a1e6fc2c9467230444ac9b582dcf4d9f0068 (diff)
downloadchrome-ec-stabilize-14532.B-ish.tar.gz
In the interest of making long-term branch maintenance incur as little technical debt on us as possible, we should not maintain any files on the branch we are not actually using. This has the added effect of making it extremely clear when merging CLs from the main branch when changes have the possibility to affect us. The follow-on CL adds a convenience script to actually pull updates from the main branch and generate a CL for the update. BUG=b:204206272 BRANCH=ish TEST=make BOARD=arcada_ish && make BOARD=drallion_ish Signed-off-by: Jack Rosenthal <jrosenth@chromium.org> Change-Id: I17e4694c38219b5a0823e0a3e55a28d1348f4b18 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3262038 Reviewed-by: Jett Rink <jettrink@chromium.org> Reviewed-by: Tom Hughes <tomhughes@chromium.org>
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-# Copyright 2021 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-menuconfig PLATFORM_EC_ADC
- bool "ADC shim"
- default n if ARCH_POSIX
- default y
- imply ADC
- help
- Enable compilation of the EC ADC module. Once enabled, it is
- possible to call platform/ec adc_read_channel() function.
-
-if PLATFORM_EC_ADC
-
-# Chromium EC provides it's own "adc" command. Disable the Zephyr
-# built-in ADC shell command.
-# TODO(b:188434233) Investigate moving to zephyr adc shell
-config ADC_SHELL
- default n
-
-config PLATFORM_EC_ADC_CMD
- bool "ADC host/console command"
- default y
- help
- Enables support for printing ADC channels state with the "adc"
- console command and reading a state of ADC channel with the
- EC_CMD_ADC_READ host command. Replaces generic Zephyr "adc"
- command.
-
-config PLATFORM_EC_ADC_RESOLUTION
- int "ADC resolution"
- default 10
- help
- The resolution, in bits, to use for the ADC conversion. Determines
- the sample values range: 0 .. 2^resolution -1. The supported
- resolution values depend on specific hardware.
-
-config PLATFORM_EC_ADC_OVERSAMPLING
- int "ADC oversampling"
- default 0
- help
- ADC oversampling to use for the ADC conversion. Each sample is
- averaged from 2^oversampling conversion results. Oversampling can
- help in providing more stable readings. The supported oversampling
- values depend on specific hardware.
-
-config PLATFORM_EC_ADC_CHANNELS_RUNTIME_CONFIG
- bool "ADC runtime config"
- default n
- help
- Allows the configuration of the ADC channels to be set up at
- runtime. This makes the adc_channels[] array writable,
- i.e. not const. It should be declared as such in the board
- config.
-
- This is useful when the board has runtime information that
- changes the configuration, such as board revision information.
- Without this, multiple EC images would need to be installed
- depending on the board.
-
-endif # PLATFORM_EC_ADC