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authorBill Richardson <wfrichar@chromium.org>2016-08-03 16:42:50 -0700
committerchrome-bot <chrome-bot@chromium.org>2016-08-05 13:56:41 -0700
commitfdfa29b1678cd04ef15f62d1b5df7c828204dd91 (patch)
tree6df05ed281361714a0cd125906b1d2783d60abf7 /board/cr50
parent6cee50001bbc307ac95daadd45c0e932f199f4fe (diff)
downloadchrome-ec-fdfa29b1678cd04ef15f62d1b5df7c828204dd91.tar.gz
Cr50: The battery-present gpio is active low
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>
Diffstat (limited to 'board/cr50')
-rw-r--r--board/cr50/gpio.inc6
1 files changed, 3 insertions, 3 deletions
diff --git a/board/cr50/gpio.inc b/board/cr50/gpio.inc
index 8234e80017..189103c476 100644
--- a/board/cr50/gpio.inc
+++ b/board/cr50/gpio.inc
@@ -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 */