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| author | Keith Short <keithshort@chromium.org> | 2021-01-13 15:38:28 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-02-01 19:26:43 +0000 |
| commit | ea2d207cae0dc8f46247d2fb70b5f78053ee005a (patch) | |
| tree | 574ccea4b4b53f3aaf9c388ef871552e87b24b37 /zephyr/Kconfig.led | |
| parent | ae55d5c3cbc70dac5ac52cf79fbedb92958398f8 (diff) | |
| download | chrome-ec-ea2d207cae0dc8f46247d2fb70b5f78053ee005a.tar.gz | |
zephyr: Add PWM LED support
Enable CONFIG_LED_COMMON and CONFIG_LED_PWM options for Zephyr
BUG=b:174851299
BRANCH=none
TEST=make buildall
TEST=zmake testall
TEST=Verify power and charging LEDs on Volteer.
Signed-off-by: Keith Short <keithshort@chromium.org>
Change-Id: I90d5272921a254a1651baffbff00864f3ff02b84
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2636482
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'zephyr/Kconfig.led')
| -rw-r--r-- | zephyr/Kconfig.led | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/zephyr/Kconfig.led b/zephyr/Kconfig.led new file mode 100644 index 0000000000..f57d03d3a5 --- /dev/null +++ b/zephyr/Kconfig.led @@ -0,0 +1,57 @@ +# 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_LED_COMMON + bool "LED Support" + help + Enable the common LED module supporting automatic control of the + battery and power LEDs. + +if PLATFORM_EC_LED_COMMON + +# TODO: Add other choices +# CONFIG_LED_POLICY_STD +# CONFIG_LED_PWM_CHARGE_STATE_ONLY +# CONFIG_LED_PWM_ACTIVE_CHARGE_PORT_ONLY +# CONFIG_LED_ONOFF_STATES + +config PLATFORM_EC_LED_PWM + bool "PWM (Pulse Width Modulation) LEDs" + depends on PLATFORM_EC_PWM + help + Enable PWM (Pulse Width Modulation) controlled LEDs that conform to + the Chromium OS LED behavior specification. + + Your board files must implement the led_get_brightness_range() and + led_set_brightness() which are used by the LED PWM module to set the + board LEDs in response to power and charging events. + +if PLATFORM_EC_LED_PWM + +config PLATFORM_EC_LED_PWM_COUNT + int "Number of PWM LEDs" + default 1 + help + This sets the number of PWM LEDs that are controlled by the common + PWM LED policy. The maximum number of PWM LEDs is currently 2. + + TODO(b/177452529): Set this parameter from the device tree. + +config PLATFORM_EC_CMD_LEDTEST + bool "Console command: ledtest" + default y + help + Enable the "ledtest" command. This command lets you override the + automatic control of the platform LEDs. For example: + + ledtest 0 enable red + + disables automatic control of the first PWM LED and forces the LED + color to red. Set the 2nd parameter to "disable" to return back + to automatic control: + + ledtest 0 disable + +endif # PLATFORM_EC_LED_PWM +endif # PLATFORM_EC_LED_COMMON |