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| author | Brian J. Nemec <bnemec@chromium.org> | 2020-08-17 13:48:49 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-08-19 01:00:47 +0000 |
| commit | 45a9c9b118936c2a64f806e64220194c9a159b04 (patch) | |
| tree | f91b16838f71bd4e8626a46b9713241e38172a64 | |
| parent | 9aa69ff724a211ed1e1594cdaf275e8af661bca2 (diff) | |
| download | chrome-ec-45a9c9b118936c2a64f806e64220194c9a159b04.tar.gz | |
waddledoo: Configure unused GPIOs as inputs
Configure unused GPIOs as inputs to save power in deep sleep states.
BUG=b:162318932
BRANCH=none
TEST=make buildall
TEST=flash waddledoo
put device into S0iX or other low power state
measure system and EC power consumption
Signed-off-by: Brian Nemec <bnemec@chromium.org>
Change-Id: Ie29c15d1c4947fe3d6665c66df476ac6b9ed943d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2358903
Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
| -rw-r--r-- | board/waddledoo/gpio.inc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/board/waddledoo/gpio.inc b/board/waddledoo/gpio.inc index 4f75cfe4a0..6a3eb1e570 100644 --- a/board/waddledoo/gpio.inc +++ b/board/waddledoo/gpio.inc @@ -126,3 +126,15 @@ ALTERNATE(PIN_MASK(B, 0x3C), 0, MODULE_I2C, 0) /* I2C7,I2C0 */ ALTERNATE(PIN_MASK(3, 0x48), 0, MODULE_I2C, 0) /* I2C5 */ ALTERNATE(PIN_MASK(9, 0x07), 0, MODULE_I2C, 0) /* I2C2, I2C1 SCL */ ALTERNATE(PIN_MASK(8, 0x80), 0, MODULE_I2C, 0) /* I2C1 SDA */ + +/* NC pins, enable internal pull-up to avoid floating state. */ +GPIO(GPIO32_NC, PIN(3, 2), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIO35_NC, PIN(3, 5), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIO41_NC, PIN(4, 1), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIO57_NC, PIN(5, 7), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIO81_NC, PIN(8, 1), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIO86_NC, PIN(8, 6), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIOC0_NC, PIN(C, 0), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIOD0_NC, PIN(D, 0), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIOD1_NC, PIN(D, 1), GPIO_INPUT | GPIO_PULL_UP) +GPIO(GPIOD6_NC, PIN(D, 6), GPIO_INPUT | GPIO_PULL_UP) |