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nautilus: Lower VCCIO from 0.975V to 0.850V

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CQ-DEPEND=CL:*602341
BUG=b:77496214
BRANCH=poppy
TEST=None

Change-Id: If04161615343f573d0de0881667564f7384c2605
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/996804
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Furquan Shaikh
2018-04-04 17:00:03 -07:00
committed by chrome-bot
parent 5daa45c2fe
commit 5bf954bedf
1 changed files with 4 additions and 4 deletions
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8
board/nautilus/board.c
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@@ -323,11 +323,11 @@ static void board_pmic_disable_slp_s0_vr_decay(void)
/*
* VCCIOCNT:
* Bit 6 (0) - Disable decay of VCCIO on SLP_S0# assertion
* Bits 5:4 (00) - Nominal output voltage: 0.975V
* Bits 5:4 (11) - Nominal output voltage: 0.850V
* Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion
* Bits 1:0 (10) - VR set to AUTO operating mode
*/
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x30, 0xa);
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x30, 0x3a);
/*
* V18ACNT:
@@ -362,11 +362,11 @@ static void board_pmic_enable_slp_s0_vr_decay(void)
/*
* VCCIOCNT:
* Bit 6 (1) - Enable decay of VCCIO on SLP_S0# assertion
* Bits 5:4 (00) - Nominal output voltage: 0.975V
* Bits 5:4 (11) - Nominal output voltage: 0.850V
* Bits 3:2 (10) - VR set to AUTO on SLP_S0# de-assertion
* Bits 1:0 (10) - VR set to AUTO operating mode
*/
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x30, 0x4a);
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x30, 0x7a);
/*
* V18ACNT: