예제 #1
0
int axp_get_sid(unsigned int *sid)
{
	u8 *dest = (u8 *)sid;
	int i, ret;

	ret = pmic_bus_init();
	if (ret)
		return ret;

	ret = pmic_bus_write(AXP221_PAGE, 1);
	if (ret)
		return ret;

	for (i = 0; i < 16; i++) {
		ret = pmic_bus_read(AXP221_SID + i, &dest[i]);
		if (ret)
			return ret;
	}

	pmic_bus_write(AXP221_PAGE, 0);

	for (i = 0; i < 4; i++)
		sid[i] = be32_to_cpu(sid[i]);

	return 0;
}
예제 #2
0
파일: axp221.c 프로젝트: OpenNoah/u-boot
int axp_init(void)
{
	u8 axp_chip_id;
	int ret;

	ret = pmic_bus_init();
	if (ret)
		return ret;

	ret = pmic_bus_read(AXP221_CHIP_ID, &axp_chip_id);
	if (ret)
		return ret;

	if (!(axp_chip_id == 0x6 || axp_chip_id == 0x7 || axp_chip_id == 0x17))
		return -ENODEV;

	/*
	 * Turn off LDOIO regulators / tri-state GPIO pins, when rebooting
	 * from android these are sometimes on.
	 */
	ret = pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT);
	if (ret)
		return ret;

	ret = pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT);
	if (ret)
		return ret;

	return 0;
}
예제 #3
0
파일: axp209.c 프로젝트: OpenNoah/u-boot
int axp_set_aldo4(unsigned int mvolt)
{
	int rc;
	static const unsigned int vindex[] = {
		1250, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2500,
		2700, 2800, 3000, 3100, 3200, 3300
	};
	u8 cfg, reg;

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP209_OUTPUT_CTRL,
					AXP209_OUTPUT_CTRL_LDO4);

	/* Translate mvolt to register cfg value, requested <= selected */
	for (cfg = 15; vindex[cfg] > mvolt && cfg > 0; cfg--);

	rc = pmic_bus_read(AXP209_LDO24_VOLTAGE, &reg);
	if (rc)
		return rc;

	/* LDO4 configuration is in lower 4 bits */
	reg = (reg & 0xf0) | (cfg << 0);
	rc = pmic_bus_write(AXP209_LDO24_VOLTAGE, reg);
	if (rc)
		return rc;

	return pmic_bus_setbits(AXP209_OUTPUT_CTRL, AXP209_OUTPUT_CTRL_LDO4);
}
예제 #4
0
파일: axp221.c 프로젝트: jhendrix/deg-uboot
int axp221_set_eldo(int eldo_num, unsigned int mvolt)
{
	int ret;
	u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);
	u8 addr, bits;

	switch (eldo_num) {
	case 3:
		addr = AXP221_ELDO3_CTRL;
		bits = AXP221_OUTPUT_CTRL2_ELDO3_EN;
		break;
	case 2:
		addr = AXP221_ELDO2_CTRL;
		bits = AXP221_OUTPUT_CTRL2_ELDO2_EN;
		break;
	case 1:
		addr = AXP221_ELDO1_CTRL;
		bits = AXP221_OUTPUT_CTRL2_ELDO1_EN;
		break;
	default:
		return -EINVAL;
	}

	if (mvolt == 0)
		return axp221_clrbits(AXP221_OUTPUT_CTRL2, bits);

	ret = pmic_bus_write(addr, cfg);
	if (ret)
		return ret;

	return axp221_setbits(AXP221_OUTPUT_CTRL2, bits);
}
예제 #5
0
파일: axp209.c 프로젝트: OpenNoah/u-boot
int axp_set_dcdc2(unsigned int mvolt)
{
	int rc;
	u8 cfg, current;

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP209_OUTPUT_CTRL,
					AXP209_OUTPUT_CTRL_DCDC2);

	rc = pmic_bus_setbits(AXP209_OUTPUT_CTRL, AXP209_OUTPUT_CTRL_DCDC2);
	if (rc)
		return rc;

	cfg = axp209_mvolt_to_cfg(mvolt, 700, 2275, 25);

	/* Do we really need to be this gentle? It has built-in voltage slope */
	while ((rc = pmic_bus_read(AXP209_DCDC2_VOLTAGE, &current)) == 0 &&
	       current != cfg) {
		if (current < cfg)
			current++;
		else
			current--;

		rc = pmic_bus_write(AXP209_DCDC2_VOLTAGE, current);
		if (rc)
			break;
	}

	return rc;
}
예제 #6
0
static int axp_gpio_direction_output(struct udevice *dev, unsigned pin,
				     int val)
{
	__maybe_unused int ret;
	u8 reg;

	switch (pin) {
#ifdef CONFIG_AXP221_POWER /* Only available on axp221/axp223 */
	case SUNXI_GPIO_AXP0_VBUS_ENABLE:
		ret = pmic_bus_clrbits(AXP221_MISC_CTRL,
				       AXP221_MISC_CTRL_N_VBUSEN_FUNC);
		if (ret)
			return ret;

		return axp_gpio_set_value(dev, pin, val);
#endif
	default:
		reg = axp_get_gpio_ctrl_reg(pin);
		if (reg == 0)
			return -EINVAL;

		return pmic_bus_write(reg, val ? AXP_GPIO_CTRL_OUTPUT_HIGH :
						 AXP_GPIO_CTRL_OUTPUT_LOW);
	}
}
예제 #7
0
int axp_set_fldo(int fldo_num, unsigned int mvolt)
{
	int ret;
	u8 cfg;

	if (fldo_num < 1 || fldo_num > 3)
		return -EINVAL;

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP818_OUTPUT_CTRL3,
				AXP818_OUTPUT_CTRL3_FLDO1_EN << (fldo_num - 1));

	if (fldo_num < 3) {
		cfg = axp818_mvolt_to_cfg(mvolt, 700, 1450, 50);
		ret = pmic_bus_write(AXP818_FLDO1_CTRL + (fldo_num - 1), cfg);
	} else {
		/*
		 * Special case for FLDO3, which is DCDC5 / 2 or FLDOIN / 2
		 * Since FLDOIN is unknown, test against DCDC5.
		 */
		if (mvolt * 2 == CONFIG_AXP_DCDC5_VOLT)
			ret = pmic_bus_clrbits(AXP818_FLDO2_3_CTRL,
					       AXP818_FLDO2_3_CTRL_FLDO3_VOL);
		else
			ret = pmic_bus_setbits(AXP818_FLDO2_3_CTRL,
					       AXP818_FLDO2_3_CTRL_FLDO3_VOL);
	}
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP818_OUTPUT_CTRL3,
				AXP818_OUTPUT_CTRL3_FLDO1_EN << (fldo_num - 1));
}
예제 #8
0
int axp_set_aldo(int aldo_num, unsigned int mvolt)
{
	int ret;
	u8 cfg;

	if (aldo_num < 1 || aldo_num > 3)
		return -EINVAL;

	if (mvolt == 0 && aldo_num == 3)
		return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
					AXP809_OUTPUT_CTRL2_ALDO3_EN);
	if (mvolt == 0)
		return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
				AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));

	cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
	ret = pmic_bus_write(AXP809_ALDO1_CTRL + (aldo_num - 1), cfg);
	if (ret)
		return ret;

	if (aldo_num == 3)
		return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
					AXP809_OUTPUT_CTRL2_ALDO3_EN);
	return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
				AXP809_OUTPUT_CTRL1_ALDO1_EN << (aldo_num - 1));
}
예제 #9
0
파일: axp209.c 프로젝트: OpenNoah/u-boot
int axp_init(void)
{
	u8 ver;
	int i, rc;

	rc = pmic_bus_init();
	if (rc)
		return rc;

	rc = pmic_bus_read(AXP209_CHIP_VERSION, &ver);
	if (rc)
		return rc;

	/* Low 4 bits is chip version */
	ver &= 0x0f;

	if (ver != 0x1)
		return -EINVAL;

	/* Mask all interrupts */
	for (i = AXP209_IRQ_ENABLE1; i <= AXP209_IRQ_ENABLE5; i++) {
		rc = pmic_bus_write(i, 0);
		if (rc)
			return rc;
	}

	/*
	 * Turn off LDOIO regulators / tri-state GPIO pins, when rebooting
	 * from android these are sometimes on.
	 */
	rc = pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT);
	if (rc)
		return rc;

	rc = pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT);
	if (rc)
		return rc;

	rc = pmic_bus_write(AXP_GPIO2_CTRL, AXP_GPIO_CTRL_INPUT);
	if (rc)
		return rc;

	return 0;
}
예제 #10
0
파일: axp209.c 프로젝트: OpenNoah/u-boot
int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	pmic_bus_write(AXP209_SHUTDOWN, AXP209_POWEROFF);

	/* infinite loop during shutdown */
	while (1) {}

	/* not reached */
	return 0;
}
예제 #11
0
파일: axp221.c 프로젝트: jhendrix/deg-uboot
static int axp221_clrbits(u8 reg, u8 bits)
{
	int ret;
	u8 val;

	ret = pmic_bus_read(reg, &val);
	if (ret)
		return ret;

	val &= ~bits;
	return pmic_bus_write(reg, val);
}
예제 #12
0
int pmic_bus_setbits(u8 reg, u8 bits)
{
	int ret;
	u8 val;

	ret = pmic_bus_read(reg, &val);
	if (ret)
		return ret;

	val |= bits;
	return pmic_bus_write(reg, val);
}
예제 #13
0
파일: axp209.c 프로젝트: OpenNoah/u-boot
int axp_set_dcdc3(unsigned int mvolt)
{
	u8 cfg = axp209_mvolt_to_cfg(mvolt, 700, 3500, 25);
	int rc;

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP209_OUTPUT_CTRL,
					AXP209_OUTPUT_CTRL_DCDC3);

	rc = pmic_bus_write(AXP209_DCDC3_VOLTAGE, cfg);
	if (rc)
		return rc;

	return pmic_bus_setbits(AXP209_OUTPUT_CTRL, AXP209_OUTPUT_CTRL_DCDC3);
}
예제 #14
0
int axp_set_dcdc1(unsigned int mvolt)
{
	int ret;
	u8 cfg = axp818_mvolt_to_cfg(mvolt, 1600, 3400, 100);

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP818_OUTPUT_CTRL1,
					AXP818_OUTPUT_CTRL1_DCDC1_EN);

	ret = pmic_bus_write(AXP818_DCDC1_CTRL, cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP818_OUTPUT_CTRL1,
				AXP818_OUTPUT_CTRL1_DCDC1_EN);
}
예제 #15
0
int axp_set_dcdc4(unsigned int mvolt)
{
	int ret;
	u8 cfg = axp221_mvolt_to_cfg(mvolt, 600, 1540, 20);

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP221_OUTPUT_CTRL1,
					AXP221_OUTPUT_CTRL1_DCDC4_EN);

	ret = pmic_bus_write(AXP221_DCDC4_CTRL, cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP221_OUTPUT_CTRL1,
				AXP221_OUTPUT_CTRL1_DCDC4_EN);
}
예제 #16
0
파일: axp221.c 프로젝트: jhendrix/deg-uboot
int axp221_set_dcdc5(unsigned int mvolt)
{
	int ret;
	u8 cfg = axp221_mvolt_to_cfg(mvolt, 1000, 2550, 50);

	if (mvolt == 0)
		return axp221_clrbits(AXP221_OUTPUT_CTRL1,
				      AXP221_OUTPUT_CTRL1_DCDC5_EN);

	ret = pmic_bus_write(AXP221_DCDC5_CTRL, cfg);
	if (ret)
		return ret;

	return axp221_setbits(AXP221_OUTPUT_CTRL1,
			      AXP221_OUTPUT_CTRL1_DCDC5_EN);
}
예제 #17
0
파일: axp221.c 프로젝트: jhendrix/deg-uboot
int axp221_set_dldo4(unsigned int mvolt)
{
	int ret;
	u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);

	if (mvolt == 0)
		return axp221_clrbits(AXP221_OUTPUT_CTRL2,
				      AXP221_OUTPUT_CTRL2_DLDO4_EN);

	ret = pmic_bus_write(AXP221_DLDO4_CTRL, cfg);
	if (ret)
		return ret;

	return axp221_setbits(AXP221_OUTPUT_CTRL2,
			      AXP221_OUTPUT_CTRL2_DLDO4_EN);
}
예제 #18
0
int axp_set_aldo3(unsigned int mvolt)
{
	int ret;
	u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP221_OUTPUT_CTRL3,
					AXP221_OUTPUT_CTRL3_ALDO3_EN);

	ret = pmic_bus_write(AXP221_ALDO3_CTRL, cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP221_OUTPUT_CTRL3,
				AXP221_OUTPUT_CTRL3_ALDO3_EN);
}
예제 #19
0
int axp_set_dcdc3(unsigned int mvolt)
{
	int ret;
	u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1860, 20);

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
					AXP809_OUTPUT_CTRL1_DCDC3_EN);

	ret = pmic_bus_write(AXP809_DCDC3_CTRL, cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
				AXP809_OUTPUT_CTRL1_DCDC3_EN);
}
예제 #20
0
static int axp_gpio_direction_input(struct udevice *dev, unsigned pin)
{
	u8 reg;

	switch (pin) {
#ifndef CONFIG_AXP152_POWER /* NA on axp152 */
	case SUNXI_GPIO_AXP0_VBUS_DETECT:
		return 0;
#endif
	default:
		reg = axp_get_gpio_ctrl_reg(pin);
		if (reg == 0)
			return -EINVAL;

		return pmic_bus_write(reg, AXP_GPIO_CTRL_INPUT);
	}
}
예제 #21
0
int axp_set_dcdc4(unsigned int mvolt)
{
	int ret;
	u8 cfg = axp809_mvolt_to_cfg(mvolt, 600, 1540, 20);

	if (mvolt >= 1540)
		cfg = 0x30 + axp809_mvolt_to_cfg(mvolt, 1800, 2600, 100);

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP809_OUTPUT_CTRL1,
					AXP809_OUTPUT_CTRL1_DCDC4_EN);

	ret = pmic_bus_write(AXP809_DCDC5_CTRL, cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP809_OUTPUT_CTRL1,
				AXP809_OUTPUT_CTRL1_DCDC4_EN);
}
예제 #22
0
int axp_set_eldo(int eldo_num, unsigned int mvolt)
{
	int ret;
	u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100);

	if (eldo_num < 1 || eldo_num > 3)
		return -EINVAL;

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP221_OUTPUT_CTRL2,
				AXP221_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));

	ret = pmic_bus_write(AXP221_ELDO1_CTRL + (eldo_num - 1), cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP221_OUTPUT_CTRL2,
				AXP221_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1));
}
예제 #23
0
파일: axp209.c 프로젝트: OpenNoah/u-boot
int axp_set_aldo3(unsigned int mvolt)
{
	u8 cfg;
	int rc;

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP209_OUTPUT_CTRL,
					AXP209_OUTPUT_CTRL_LDO3);

	if (mvolt == -1)
		cfg = 0x80;	/* determined by LDO3IN pin */
	else
		cfg = axp209_mvolt_to_cfg(mvolt, 700, 3500, 25);

	rc = pmic_bus_write(AXP209_LDO3_VOLTAGE, cfg);
	if (rc)
		return rc;

	return pmic_bus_setbits(AXP209_OUTPUT_CTRL, AXP209_OUTPUT_CTRL_LDO3);
}
예제 #24
0
int axp_set_dldo(int dldo_num, unsigned int mvolt)
{
	u8 cfg = axp809_mvolt_to_cfg(mvolt, 700, 3300, 100);
	int ret;

	if (dldo_num < 1 || dldo_num > 2)
		return -EINVAL;

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP809_OUTPUT_CTRL2,
				AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));

	if (dldo_num == 1 && mvolt > 3300)
		cfg += 1 + axp809_mvolt_to_cfg(mvolt, 3400, 4200, 200);
	ret = pmic_bus_write(AXP809_DLDO1_CTRL + (dldo_num - 1), cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP809_OUTPUT_CTRL2,
				AXP809_OUTPUT_CTRL2_DLDO1_EN << (dldo_num - 1));
}
예제 #25
0
int axp_set_dcdc3(unsigned int mvolt)
{
	int ret;
	u8 cfg;

	if (mvolt >= 1220)
		cfg = 70 + axp818_mvolt_to_cfg(mvolt, 1220, 1300, 20);
	else
		cfg = axp818_mvolt_to_cfg(mvolt, 500, 1200, 10);

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP818_OUTPUT_CTRL1,
					AXP818_OUTPUT_CTRL1_DCDC3_EN);

	ret = pmic_bus_write(AXP818_DCDC3_CTRL, cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP818_OUTPUT_CTRL1,
				AXP818_OUTPUT_CTRL1_DCDC3_EN);
}
예제 #26
0
int axp_set_dcdc5(unsigned int mvolt)
{
	int ret;
	u8 cfg;

	if (mvolt >= 1140)
		cfg = 32 + axp818_mvolt_to_cfg(mvolt, 1140, 1840, 20);
	else
		cfg = axp818_mvolt_to_cfg(mvolt, 800, 1120, 10);

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP818_OUTPUT_CTRL1,
					AXP818_OUTPUT_CTRL1_DCDC5_EN);

	ret = pmic_bus_write(AXP818_DCDC5_CTRL, cfg);
	if (ret)
		return ret;

	return pmic_bus_setbits(AXP818_OUTPUT_CTRL1,
				AXP818_OUTPUT_CTRL1_DCDC5_EN);
}
예제 #27
0
파일: axp209.c 프로젝트: OpenNoah/u-boot
int axp_set_aldo2(unsigned int mvolt)
{
	int rc;
	u8 cfg, reg;

	if (mvolt == 0)
		return pmic_bus_clrbits(AXP209_OUTPUT_CTRL,
					AXP209_OUTPUT_CTRL_LDO2);

	cfg = axp209_mvolt_to_cfg(mvolt, 1800, 3300, 100);

	rc = pmic_bus_read(AXP209_LDO24_VOLTAGE, &reg);
	if (rc)
		return rc;

	/* LDO2 configuration is in upper 4 bits */
	reg = (reg & 0x0f) | (cfg << 4);
	rc = pmic_bus_write(AXP209_LDO24_VOLTAGE, reg);
	if (rc)
		return rc;

	return pmic_bus_setbits(AXP209_OUTPUT_CTRL, AXP209_OUTPUT_CTRL_LDO2);
}
예제 #28
0
static int axp_gpio_set_value(struct udevice *dev, unsigned pin, int val)
{
	u8 reg;

	switch (pin) {
#ifdef CONFIG_AXP221_POWER /* Only available on axp221/axp223 */
	case SUNXI_GPIO_AXP0_VBUS_ENABLE:
		if (val)
			return pmic_bus_setbits(AXP221_VBUS_IPSOUT,
						AXP221_VBUS_IPSOUT_DRIVEBUS);
		else
			return pmic_bus_clrbits(AXP221_VBUS_IPSOUT,
						AXP221_VBUS_IPSOUT_DRIVEBUS);
#endif
	default:
		reg = axp_get_gpio_ctrl_reg(pin);
		if (reg == 0)
			return -EINVAL;

		return pmic_bus_write(reg, val ? AXP_GPIO_CTRL_OUTPUT_HIGH :
						 AXP_GPIO_CTRL_OUTPUT_LOW);
	}
}