diff options
| author | Wai-Hong Tam <waihong@google.com> | 2021-03-19 14:57:40 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-03-24 00:36:10 +0000 |
| commit | bad9c04577b2924848f3003eab8eaeb41c1e60b4 (patch) | |
| tree | 3d48e016113d8d88f85dd244271b1450ff7f4bb9 /zephyr/Kconfig | |
| parent | 9327c77b1ce762084b16a16233f79e7ac61161c4 (diff) | |
| download | chrome-ec-bad9c04577b2924848f3003eab8eaeb41c1e60b4.tar.gz | |
zephyr: Add Kconfig for PWM display backlight
Add a Kconfig option to enable display backlight controlled by
a PWM signal connected directly to the EC chipset.
BUG=b:182398910
BRANCH=None
TEST=zmake testall
Change-Id: I0e544116f3b467505f2ecf742c9708c20e24b275
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2779747
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'zephyr/Kconfig')
| -rw-r--r-- | zephyr/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/zephyr/Kconfig b/zephyr/Kconfig index 114b03cc54..7aa93db1ca 100644 --- a/zephyr/Kconfig +++ b/zephyr/Kconfig @@ -697,6 +697,15 @@ config PLATFORM_EC_PWM support variable brightness LEDs, backlight controls, and variable-speed fans. +config PLATFORM_EC_PWM_DISPLIGHT + bool "PWM display backlight" + depends on PLATFORM_EC_PWM + help + Enables display backlight controlled by a PWM signal connected + directly to the EC chipset. The board files must define the C + reference PWM_CH_DISPLIGHT to the PWM channel used for the + display backlight control. + config PLATFORM_EC_RTC bool "Real-time clock (RTC)" default y |