Exemple #1
0
int power_init_board(void)
{
	struct pmic *p;
	int ret;
	unsigned int reg, rev_id;

	ret = power_pfuze3000_init(I2C_PMIC);
	if (ret)
		return ret;

	p = pmic_get("PFUZE3000");
	ret = pmic_probe(p);
	if (ret)
		return ret;

	pmic_reg_read(p, PFUZE3000_DEVICEID, &reg);
	pmic_reg_read(p, PFUZE3000_REVID, &rev_id);
	printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);

	/* disable Low Power Mode during standby mode */
	pmic_reg_read(p, PFUZE3000_LDOGCTL, &reg);
	reg |= 0x1;
	pmic_reg_write(p, PFUZE3000_LDOGCTL, reg);

	return 0;
}
Exemple #2
0
int power_init_board(void)
{
	if (is_mx6ul_9x9_evk()) {
		struct pmic *pfuze;
		int ret;
		unsigned int reg, rev_id;

		ret = power_pfuze3000_init(I2C_PMIC);
		if (ret)
			return ret;

		pfuze = pmic_get("PFUZE3000");
		ret = pmic_probe(pfuze);
		if (ret)
			return ret;

		pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
		pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
		printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n",
		       reg, rev_id);

		/* disable Low Power Mode during standby mode */
		pmic_reg_read(pfuze, PFUZE3000_LDOGCTL, &reg);
		reg |= 0x1;
		pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, reg);

		/* SW1B step ramp up time from 2us to 4us/25mV */
		reg = 0x40;
		pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, reg);

		/* SW1B mode to APS/PFM */
		reg = 0xc;
		pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, reg);

		/* SW1B standby voltage set to 0.975V */
		reg = 0xb;
		pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, reg);
	}

	return 0;
}