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eve: Enable active discharge on V3.3A and V1.8A

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Enable 100ohm discharge on the V3.3A and V1.8A rails.

BUG=b:35581264
TEST=verify power down sequence on scope

Change-Id: Ibdfff5a60bddd9da0d950dae619346d7a3dccd8b
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://chromium-review.googlesource.com/578756
Reviewed-on: https://chromium-review.googlesource.com/579903
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
This commit is contained in:
Duncan Laurie
2017-07-19 23:26:00 -07:00
committed by chrome-bot
parent 51d0fbb56c
commit 192be4327f
1 changed files with 3 additions and 0 deletions
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3
board/eve/board.c
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@@ -350,6 +350,9 @@ static void board_pmic_init(void)
if (system_jumped_to_this_image())
return;
/* DISCHGCNT2 - enable 100 ohm discharge on V3.3A and V1.8A */
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x3d, 0x05);
/* DISCHGCNT3 - enable 100 ohm discharge on V1.00A */
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x3e, 0x04);