diff options
| author | Abe Levkoy <alevkoy@chromium.org> | 2020-01-03 16:58:29 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-01-08 03:13:56 +0000 |
| commit | 83f95fa7763155ea76bde754e8e4b02749be04b0 (patch) | |
| tree | 47c06b2bc7a593641dfb4dbc86cdaa5ebecdb7d1 /board/volteer/gpio.inc | |
| parent | 6109da0a52fa568742c55fa0f10166590ff7bbf5 (diff) | |
| download | chrome-ec-83f95fa7763155ea76bde754e8e4b02749be04b0.tar.gz | |
volteer: Enable daughter-board LED
PWM the motherboard/daughter-board switch at 50% to drive both LEDs
equally.
BUG=b:139554899
TEST=ledtest 0 enable <various colors>; observe LEDs
BRANCH=none
Change-Id: I0fefac4d540351f5083b769b09ede83c87c97a86
Signed-off-by: Abe Levkoy <alevkoy@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1987245
Reviewed-by: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'board/volteer/gpio.inc')
| -rw-r--r-- | board/volteer/gpio.inc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/board/volteer/gpio.inc b/board/volteer/gpio.inc index b93a183834..e2a8ed2478 100644 --- a/board/volteer/gpio.inc +++ b/board/volteer/gpio.inc @@ -103,10 +103,6 @@ UNIMPLEMENTED(USB_C1_LS_EN) UNIMPLEMENTED(USB_C1_RT_FORCE_PWR) /* Misc Signals */ -/* This selects between an LED module on the motherboard and one on the daughter - * board, to be controlled by LED{1,2,3}. Select the one on the motherboard by - * default. */ -GPIO(LED_SIDESEL_4_L, PIN(6, 0), GPIO_OUT_LOW) /* * eDP backlight - both PCH and EC have enable pins that must be high @@ -144,7 +140,11 @@ ALTERNATE(PIN_MASK(D, BIT(1) | BIT(0)), 0, MODULE_I2C, 0) ALTERNATE(PIN_MASK(3, BIT(3) | BIT(6)), 0, MODULE_I2C, 0) /* I2C5 */ ALTERNATE(PIN_MASK(B, BIT(3) | BIT(2)), 0, MODULE_I2C, 0) /* I2C7 */ -ALTERNATE(PIN_MASK(C, BIT(2) | BIT(3) | BIT(4)), 0, MODULE_PWM, 0) /* LED{3,2,1}_L */ +/* This selects between an LED module on the motherboard and one on the daughter + * board, to be controlled by LED_{1,2,3}_L. PWM allows driving both modules at + * the same time. */ +ALTERNATE(PIN_MASK(6, BIT(0)), 0, MODULE_PWM, 0) /* LED_SIDESEL_4_L */ +ALTERNATE(PIN_MASK(C, BIT(2) | BIT(3) | BIT(4)), 0, MODULE_PWM, 0) /* LED_{3,2,1}_L */ /* Fan signals */ GPIO(EN_PP5000_FAN, PIN(6, 1), GPIO_OUT_LOW) |