diff options
Diffstat (limited to 'board/freescale/mx6sx_19x19_arm2/mx6sx_19x19_arm2.c')
| -rw-r--r-- | board/freescale/mx6sx_19x19_arm2/mx6sx_19x19_arm2.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/board/freescale/mx6sx_19x19_arm2/mx6sx_19x19_arm2.c b/board/freescale/mx6sx_19x19_arm2/mx6sx_19x19_arm2.c index 7236d57..88318ed 100644 --- a/board/freescale/mx6sx_19x19_arm2/mx6sx_19x19_arm2.c +++ b/board/freescale/mx6sx_19x19_arm2/mx6sx_19x19_arm2.c @@ -112,11 +112,41 @@ struct i2c_pads_info i2c_pad_info2 = { static struct pmic *pfuze; int power_init_board(void) { + unsigned int ret, reg; + pfuze = pfuze_common_init(I2C_PMIC); if (!pfuze) return -ENODEV; - return pfuze_mode_init(pfuze, APS_PFM); + ret = pfuze_mode_init(pfuze, APS_PFM); + if (ret < 0) + return ret; + + /* set SW1AB staby volatage 0.975V */ + pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, ®); + reg &= ~0x3f; + reg |= PFUZE100_SW1ABC_SETP(9750); + 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 |= PFUZE100_SW1ABC_SETP(9750); + 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; } #ifdef CONFIG_LDO_BYPASS_CHECK |