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cr50: remove pullups on dioa9 and a1

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BUG=chrome-os-partner:59238
BRANCH=none
TEST=verify reef still boots and cr50 still goes to sleep in s3 and s5.

Change-Id: Ibea9ae5ca501dc4bd9ff87d7c702f232be24acbd
Signed-off-by: Mary Ruthven <mruthven@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/405837
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
This commit is contained in:
Mary Ruthven
2016-11-01 12:33:16 -07:00
committed by chrome-bot
parent e2305b6af9
commit 488afbd2cf
1 changed files with 0 additions and 6 deletions
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6
board/cr50/board.c
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@@ -756,12 +756,6 @@ void i2cs_set_pinmux(void)
/* Enable SDA/SCL inputs from A1/A9 pads */
GWRITE_FIELD(PINMUX, DIOA1_CTL, IE, 1); /* I2CS_SDA */
GWRITE_FIELD(PINMUX, DIOA9_CTL, IE, 1); /* I2CS_SCL */
/*
* Enable pull ups on both signals. TODO(vbendeb): consider
* adjusting pull strength.
*/
GWRITE_FIELD(PINMUX, DIOA1_CTL, PU, 1);
GWRITE_FIELD(PINMUX, DIOA9_CTL, PU, 1);
/* Allow I2CS_SCL to wake from sleep */
GWRITE_FIELD(PINMUX, EXITEDGE0, DIOA9, 1); /* edge sensitive */