From dd842f32b6d8d770e844790643ece352f92b8c5e Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Wed, 29 Apr 2015 10:52:52 +0800 Subject: MLK-10774-53 imx: update setting pmic volatage We should not rely on pfuze_common_init to set the voltage, may be we should remove the voltage settings in pfuze_common_init. This patch is to setting the voltages in power_init_board. Signed-off-by: Peng Fan --- board/freescale/mx6sabresd/mx6sabresd.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'board/freescale/mx6sabresd/mx6sabresd.c') diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index 03f6805..eedeb94 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -1025,6 +1025,30 @@ int power_init_board(void) reg |= LDOB_3_00V; pmic_reg_write(pfuze, PFUZE100_VGEN5VOL, reg); + /* set SW1AB staby volatage 0.975V*/ + pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, ®); + reg &= ~0x3f; + reg |= 0x1b; + pmic_reg_write(pfuze, PFUZE100_SW1ABSTBY, reg); + + /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(pfuze, PFUZE100_SW1ABCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + pmic_reg_write(pfuze, PFUZE100_SW1ABCONF, reg); + + /* set SW1C staby volatage 0.975V*/ + pmic_reg_read(pfuze, PFUZE100_SW1CSTBY, ®); + reg &= ~0x3f; + reg |= 0x1b; + pmic_reg_write(pfuze, PFUZE100_SW1CSTBY, reg); + + /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ + pmic_reg_read(pfuze, PFUZE100_SW1CCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + pmic_reg_write(pfuze, PFUZE100_SW1CCONF, reg); + return 0; } -- cgit v1.1