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Cr50: The battery-present gpio is active low

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The input should be active low, not active high.

BUG=chrome-os-partner:49959
BRANCH=none
TEST=manual

Remove and reattach the battery. "gpioget BATT_PRES_L" shows the
GPIO value changing appropriately.

Change-Id: I7d513471f6ab5e7e8cd0e601148915697fa9162a
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/366134
Reviewed-by: Vadim Bendebury <vbendeb@google.com>
This commit is contained in:
Bill Richardson
2016-08-03 16:42:50 -07:00
committed by chrome-bot
parent 6cee50001b
commit fdfa29b167
1 changed files with 3 additions and 3 deletions
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6
board/cr50/gpio.inc
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@@ -47,8 +47,8 @@ GPIO(SYS_RST_L_OUT, PIN(0, 4), GPIO_INPUT)
* it decided instead. The pullup is on the EC's side. */
GPIO(CCD_MODE_L, PIN(0, 5), GPIO_ODR_HIGH)
/* Battery has a 10K pulldown on its side. We provide the pullup. */
GPIO(BATT_PRES, PIN(0, 6), GPIO_INPUT)
/* Battery present signal is active low */
GPIO(BATT_PRES_L, PIN(0, 6), GPIO_INPUT)
/* GPIOs used to tristate the SPI bus */
GPIO(SPI_MOSI, PIN(0, 7), GPIO_INPUT)
@@ -84,7 +84,7 @@ PINMUX(GPIO(AP_WP_L), M3, 0)
PINMUX(GPIO(SYS_RST_L_IN), M0, DIO_WAKE_FALLING)
PINMUX(GPIO(SYS_RST_L_OUT), M0, DIO_INPUT)
PINMUX(GPIO(CCD_MODE_L), M1, DIO_INPUT)
PINMUX(GPIO(BATT_PRES), M2, 0)
PINMUX(GPIO(BATT_PRES_L), M2, 0)
PINMUX(GPIO(STRAP0), A1, DIO_INPUT)
/* UARTs */