C++ (Cpp) PFUZE300_SW1AB_SETP Beispiele

Beispiel #1

Datei: mx6ul_14x14_evk.c Projekt: lixuhui112/myimx6_2015.04

void ldo_mode_set(int ldo_bypass)
{
	unsigned int value;
	u32 vddarm;

	struct pmic *p = pfuze;

	if (!p) {
		printf("No PMIC found!\n");
		return;
	}

	/* switch to ldo_bypass mode */
	if (ldo_bypass) {
		prep_anatop_bypass();
		/* decrease VDDARM to 1.275V */
		pmic_reg_read(pfuze, PFUZE300_SW1BVOLT, &value);
		value &= ~0x1f;
		value |= PFUZE300_SW1AB_SETP(1275);
		pmic_reg_write(pfuze, PFUZE300_SW1BVOLT, value);

		set_anatop_bypass(1);
		vddarm = PFUZE300_SW1AB_SETP(1175);

		pmic_reg_read(pfuze, PFUZE300_SW1BVOLT, &value);
		value &= ~0x1f;
		value |= vddarm;
		pmic_reg_write(pfuze, PFUZE300_SW1BVOLT, value);

		finish_anatop_bypass();

		printf("switch to ldo_bypass mode!\n");
	}
}

Beispiel #2

Datei: mx7dsabresd.c Projekt: Toradex-Apalis-TK1-AndroidTV/android_3rdparty_uboot

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

	ret = power_pfuze300_init(I2C_PMIC);
	if (ret)
		return ret;

	p = pmic_get("PFUZE300");
	ret = pmic_probe(p);
	if (ret)
		return ret;

	pmic_reg_read(p, PFUZE300_DEVICEID, &reg);
	pmic_reg_read(p, PFUZE300_REVID, &rev_id);
	printf("PMIC: PFUZE300 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);

	/* disable Low Power Mode during standby mode */
	pmic_reg_read(p, PFUZE300_LDOGCTL, &reg);
	reg |= 0x1;
	pmic_reg_write(p, PFUZE300_LDOGCTL, reg);

	/* SW1A/1B mode set to APS/APS */
	reg = 0x8;
	pmic_reg_write(p, PFUZE300_SW1AMODE, reg);
	pmic_reg_write(p, PFUZE300_SW1BMODE, reg);

	/* SW1A/1B standby voltage set to 1.025V */
	reg = 0xd;
	pmic_reg_write(p, PFUZE300_SW1ASTBY, reg);
	pmic_reg_write(p, PFUZE300_SW1BSTBY, reg);

	/* decrease SW1B normal voltage to 0.975V */
	pmic_reg_read(p, PFUZE300_SW1BVOLT, &reg);
	reg &= ~0x1f;
	reg |= PFUZE300_SW1AB_SETP(975);
	pmic_reg_write(p, PFUZE300_SW1BVOLT, reg);

	return 0;
}