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/*
* Copyright 2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
struct pmic *pfuze_common_init(unsigned char i2cbus)
{
struct pmic *p;
int ret;
unsigned int reg;
ret = power_pfuze100_init(i2cbus);
if (ret)
return NULL;
p = pmic_get("PFUZE100");
ret = pmic_probe(p);
if (ret)
return NULL;
pmic_reg_read(p, PFUZE100_DEVICEID, ®);
printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
/* Set SW1AB stanby volage to 0.975V */
pmic_reg_read(p, PFUZE100_SW1ABSTBY, ®);
reg &= ~SW1x_STBY_MASK;
reg |= SW1x_0_975V;
pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg);
/* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
pmic_reg_read(p, PUZE_100_SW1ABCONF, ®);
reg &= ~SW1xCONF_DVSSPEED_MASK;
reg |= SW1xCONF_DVSSPEED_4US;
pmic_reg_write(p, PUZE_100_SW1ABCONF, reg);
/* Set SW1C standby voltage to 0.975V */
pmic_reg_read(p, PFUZE100_SW1CSTBY, ®);
reg &= ~SW1x_STBY_MASK;
reg |= SW1x_0_975V;
pmic_reg_write(p, PFUZE100_SW1CSTBY, reg);
/* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */
pmic_reg_read(p, PFUZE100_SW1CCONF, ®);
reg &= ~SW1xCONF_DVSSPEED_MASK;
reg |= SW1xCONF_DVSSPEED_4US;
pmic_reg_write(p, PFUZE100_SW1CCONF, reg);
return p;
}
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