diff options
Diffstat (limited to 'board/freescale/common/pfuze.c')
-rw-r--r-- | board/freescale/common/pfuze.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/board/freescale/common/pfuze.c b/board/freescale/common/pfuze.c index 69afa835623..f194d0b79d0 100644 --- a/board/freescale/common/pfuze.c +++ b/board/freescale/common/pfuze.c @@ -92,4 +92,83 @@ struct pmic *pfuze_common_init(unsigned char i2cbus) return p; } +#else +int pfuze_mode_init(struct udevice *dev, u32 mode) +{ + unsigned char offset, i, switch_num; + u32 id; + int ret; + + id = pmic_reg_read(dev, PFUZE100_DEVICEID); + id = id & 0xf; + + if (id == 0) { + switch_num = 6; + offset = PFUZE100_SW1CMODE; + } else if (id == 1) { + switch_num = 4; + offset = PFUZE100_SW2MODE; + } else { + printf("Not supported, id=%d\n", id); + return -EINVAL; + } + + ret = pmic_reg_write(dev, PFUZE100_SW1ABMODE, mode); + if (ret < 0) { + printf("Set SW1AB mode error!\n"); + return ret; + } + + for (i = 0; i < switch_num - 1; i++) { + ret = pmic_reg_write(dev, offset + i * SWITCH_SIZE, mode); + if (ret < 0) { + printf("Set switch 0x%x mode error!\n", + offset + i * SWITCH_SIZE); + return ret; + } + } + + return ret; +} + +struct udevice *pfuze_common_init(void) +{ + struct udevice *dev; + int ret; + unsigned int reg, dev_id, rev_id; + + ret = pmic_get("pfuze100", &dev); + if (ret == -ENODEV) + return NULL; + + dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID); + rev_id = pmic_reg_read(dev, PFUZE100_REVID); + printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id); + + /* Set SW1AB stanby volage to 0.975V */ + reg = pmic_reg_read(dev, PFUZE100_SW1ABSTBY); + reg &= ~SW1x_STBY_MASK; + reg |= SW1x_0_975V; + pmic_reg_write(dev, PFUZE100_SW1ABSTBY, reg); + + /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + reg = pmic_reg_read(dev, PFUZE100_SW1ABCONF); + reg &= ~SW1xCONF_DVSSPEED_MASK; + reg |= SW1xCONF_DVSSPEED_4US; + pmic_reg_write(dev, PFUZE100_SW1ABCONF, reg); + + /* Set SW1C standby voltage to 0.975V */ + reg = pmic_reg_read(dev, PFUZE100_SW1CSTBY); + reg &= ~SW1x_STBY_MASK; + reg |= SW1x_0_975V; + pmic_reg_write(dev, PFUZE100_SW1CSTBY, reg); + + /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */ + reg = pmic_reg_read(dev, PFUZE100_SW1CCONF); + reg &= ~SW1xCONF_DVSSPEED_MASK; + reg |= SW1xCONF_DVSSPEED_4US; + pmic_reg_write(dev, PFUZE100_SW1CCONF, reg); + + return dev; +} #endif |