[J-u-boot.git] / drivers / power / twl6030.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2010
 * Texas Instruments, <www.ti.com>
 */
#include <config.h>
#include <linux/delay.h>
#include <linux/printk.h>

#include <twl6030.h>

static struct twl6030_data *twl;

static struct twl6030_data twl6030_info = {
	.chip_type	= chip_TWL6030,
	.adc_rbase	= GPCH0_LSB,
	.adc_ctrl	= CTRL_P2,
	.adc_enable	= CTRL_P2_SP2,
	.vbat_mult	= TWL6030_VBAT_MULT,
	.vbat_shift	= TWL6030_VBAT_SHIFT,
};

static struct twl6030_data twl6032_info = {
	.chip_type	= chip_TWL6032,
	.adc_rbase	= TWL6032_GPCH0_LSB,
	.adc_ctrl	= TWL6032_CTRL_P1,
	.adc_enable	= CTRL_P1_SP1,
	.vbat_mult	= TWL6032_VBAT_MULT,
	.vbat_shift	= TWL6032_VBAT_SHIFT,
};


static int twl6030_gpadc_read_channel(u8 channel_no)
{
	u8 lsb = 0;
	u8 msb = 0;
	int ret = 0;

	ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
				  twl->adc_rbase + channel_no * 2, &lsb);
	if (ret)
		return ret;

	ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
				  twl->adc_rbase + 1 + channel_no * 2, &msb);
	if (ret)
		return ret;

	return (msb << 8) | lsb;
}

static int twl6030_gpadc_sw2_trigger(void)
{
	u8 val;
	int ret = 0;

	ret = twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
				   twl->adc_ctrl, twl->adc_enable);
	if (ret)
		return ret;

	/* Waiting until the SW1 conversion ends*/
	val =  CTRL_P2_BUSY;

	while (!((val & CTRL_P2_EOCP2) && (!(val & CTRL_P2_BUSY)))) {
		ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
					  twl->adc_ctrl, &val);
		if (ret)
			return ret;
		udelay(1000);
	}

	return 0;
}

void twl6030_power_off(void)
{
	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_PHOENIX_DEV_ON,
		TWL6030_PHOENIX_APP_DEVOFF | TWL6030_PHOENIX_CON_DEVOFF |
		TWL6030_PHOENIX_MOD_DEVOFF);
}

void twl6030_stop_usb_charging(void)
{
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CONTROLLER_CTRL1, 0);

	return;
}

void twl6030_start_usb_charging(void)
{
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
			     CHARGERUSB_VICHRG, CHARGERUSB_VICHRG_1500);
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
			     CHARGERUSB_CINLIMIT, CHARGERUSB_CIN_LIMIT_NONE);
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
			     CONTROLLER_INT_MASK, MBAT_TEMP);
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
			     CHARGERUSB_INT_MASK, MASK_MCHARGERUSB_THMREG);
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
			     CHARGERUSB_VOREG, CHARGERUSB_VOREG_4P0);
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
			     CHARGERUSB_CTRL2, CHARGERUSB_CTRL2_VITERM_400);
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CHARGERUSB_CTRL1, TERM);
	/* Enable USB charging */
	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
			     CONTROLLER_CTRL1, CONTROLLER_CTRL1_EN_CHARGER);
	return;
}

int twl6030_get_battery_current(void)
{
	int battery_current = 0;
	u8 msb = 0;
	u8 lsb = 0;

	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, FG_REG_11, &msb);
	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, FG_REG_10, &lsb);
	battery_current = ((msb << 8) | lsb);

	/* convert 10 bit signed number to 16 bit signed number */
	if (battery_current >= 0x2000)
		battery_current = (battery_current - 0x4000);

	battery_current = battery_current * 3000 / 4096;
	printf("Battery Current: %d mA\n", battery_current);

	return battery_current;
}

int twl6030_get_battery_voltage(void)
{
	int battery_volt = 0;
	int ret = 0;
	u8 vbatch;

	if (twl->chip_type == chip_TWL6030) {
		vbatch = TWL6030_GPADC_VBAT_CHNL;
	} else {
		ret = twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
					   TWL6032_GPSELECT_ISB,
					   TWL6032_GPADC_VBAT_CHNL);
		if (ret)
			return ret;
		vbatch = 0;
	}

	/* Start GPADC SW conversion */
	ret = twl6030_gpadc_sw2_trigger();
	if (ret) {
		printf("Failed to convert battery voltage\n");
		return ret;
	}

	/* measure Vbat voltage */
	battery_volt = twl6030_gpadc_read_channel(vbatch);
	if (battery_volt < 0) {
		printf("Failed to read battery voltage\n");
		return ret;
	}
	battery_volt = (battery_volt * twl->vbat_mult) >> twl->vbat_shift;
	printf("Battery Voltage: %d mV\n", battery_volt);

	return battery_volt;
}

void twl6030_init_battery_charging(void)
{
	u8 val = 0;
	int battery_volt = 0;
	int ret = 0;

	ret = twl6030_i2c_read_u8(TWL6030_CHIP_USB, USB_PRODUCT_ID_LSB, &val);
	if (ret) {
		puts("twl6030_init_battery_charging(): could not determine chip!\n");
		return;
	}
	if (val == 0x30) {
		twl = &twl6030_info;
	} else if (val == 0x32) {
		twl = &twl6032_info;
	} else {
		puts("twl6030_init_battery_charging(): unsupported chip type\n");
		return;
	}

	/* Enable VBAT measurement */
	if (twl->chip_type == chip_TWL6030) {
		twl6030_i2c_write_u8(TWL6030_CHIP_PM, MISC1, VBAT_MEAS);
		twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
				     TWL6030_GPADC_CTRL,
				     GPADC_CTRL_SCALER_DIV4);
	} else {
		twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
				     TWL6032_GPADC_CTRL2,
				     GPADC_CTRL2_CH18_SCALER_EN);
	}

	/* Enable GPADC module */
	ret = twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, TOGGLE1, FGS | GPADCS);
	if (ret) {
		printf("Failed to enable GPADC\n");
		return;
	}

	battery_volt = twl6030_get_battery_voltage();
	if (battery_volt < 0)
		return;

	if (battery_volt < 3000)
		printf("Main battery voltage too low!\n");

	/* Check for the presence of USB charger */
	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, CONTROLLER_STAT1, &val);

	/* check for battery presence indirectly via Fuel gauge */
	if ((val & VBUS_DET) && (battery_volt < 3300))
		twl6030_start_usb_charging();

	return;
}

void twl6030_power_mmc_init(int dev_index)
{
	u8 value = 0;

	if (dev_index == 0) {
		/* 3.0V voltage output for VMMC */
		twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VMMC_CFG_VOLTAGE,
			TWL6030_CFG_VOLTAGE_30);

		/* Enable P1 output for VMMC */
		twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VMMC_CFG_STATE,
			TWL6030_CFG_STATE_P1 | TWL6030_CFG_STATE_ON);
	} else if (dev_index == 1) {
		twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_PH_STS_BOOT,
				    &value);
		/* BOOT2 indicates 1.8V/2.8V VAUX1 for eMMC */
		if (value & TWL6030_PH_STS_BOOT2) {
			/* 1.8V voltage output for VAUX1 */
			twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_VOLTAGE,
				TWL6030_CFG_VOLTAGE_18);
		} else {
			/* 2.8V voltage output for VAUX1 */
			twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_VOLTAGE,
				TWL6030_CFG_VOLTAGE_28);
		}

		/* Enable P1 output for VAUX */
		twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_STATE,
			TWL6030_CFG_STATE_P1 | TWL6030_CFG_STATE_ON);
	}
}

void twl6030_usb_device_settings()
{
	u8 value = 0;

	/* 3.3V voltage output for VUSB */
	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VUSB_CFG_VOLTAGE,
		TWL6030_CFG_VOLTAGE_33);

	/* Enable P1 output for VUSB */
	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VUSB_CFG_STATE,
		TWL6030_CFG_STATE_P1 | TWL6030_CFG_STATE_ON);

	/* Select the input supply for VUSB regulator */
	twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_MISC2, &value);
	value |= TWL6030_MISC2_VUSB_IN_VSYS;
	value &= ~TWL6030_MISC2_VUSB_IN_PMID;
	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_MISC2, value);
}

#if CONFIG_IS_ENABLED(DM_I2C)
int twl6030_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
{
	struct udevice *dev;
	int ret;

	ret = i2c_get_chip_for_busnum(0, chip_no, 1, &dev);
	if (ret) {
		pr_err("unable to get I2C bus. ret %d\n", ret);
		return ret;
	}
	ret = dm_i2c_reg_write(dev, reg, val);
	if (ret) {
		pr_err("writing to twl6030 failed. ret %d\n", ret);
		return ret;
	}
	return 0;
}

int twl6030_i2c_read_u8(u8 chip_no, u8 reg, u8 *valp)
{
	struct udevice *dev;
	int ret;

	ret = i2c_get_chip_for_busnum(0, chip_no, 1, &dev);
	if (ret) {
		pr_err("unable to get I2C bus. ret %d\n", ret);
		return ret;
	}
	ret = dm_i2c_reg_read(dev, reg);
	if (ret < 0) {
		pr_err("reading from twl6030 failed. ret %d\n", ret);
		return ret;
	}
	*valp = (u8)ret;
	return 0;
}
#endif
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
516799f6 SS	2	/*
	3	* (C) Copyright 2010
	4	* Texas Instruments, <www.ti.com>
516799f6 SS	5	*/
516799f6 SS	6	#include <config.h>
c05ed00a	7	#include <linux/delay.h>
1e94b46f	8	#include <linux/printk.h>
516799f6 SS	9
	10	#include <twl6030.h>
	11
fc889503 OK	12	static struct twl6030_data *twl;
	13
	14	static struct twl6030_data twl6030_info = {
	15	.chip_type = chip_TWL6030,
	16	.adc_rbase = GPCH0_LSB,
	17	.adc_ctrl = CTRL_P2,
	18	.adc_enable = CTRL_P2_SP2,
	19	.vbat_mult = TWL6030_VBAT_MULT,
	20	.vbat_shift = TWL6030_VBAT_SHIFT,
	21	};
	22
340e6c83 OK	23	static struct twl6030_data twl6032_info = {
	24	.chip_type = chip_TWL6032,
	25	.adc_rbase = TWL6032_GPCH0_LSB,
	26	.adc_ctrl = TWL6032_CTRL_P1,
	27	.adc_enable = CTRL_P1_SP1,
	28	.vbat_mult = TWL6032_VBAT_MULT,
	29	.vbat_shift = TWL6032_VBAT_SHIFT,
	30	};
	31
d6a2042d	32
3e664f6d B	33	static int twl6030_gpadc_read_channel(u8 channel_no)
	34	{
	35	u8 lsb = 0;
	36	u8 msb = 0;
	37	int ret = 0;
	38
345ef204	39	ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
fc889503	40	twl->adc_rbase + channel_no * 2, &lsb);
3e664f6d B	41	if (ret)
	42	return ret;
	43
345ef204	44	ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
fc889503	45	twl->adc_rbase + 1 + channel_no * 2, &msb);
3e664f6d B	46	if (ret)
	47	return ret;
	48
	49	return (msb << 8) \| lsb;
	50	}
	51
	52	static int twl6030_gpadc_sw2_trigger(void)
	53	{
	54	u8 val;
	55	int ret = 0;
	56
fc889503 OK	57	ret = twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
fc889503 OK	58	twl->adc_ctrl, twl->adc_enable);
3e664f6d B	59	if (ret)
	60	return ret;
	61
	62	/* Waiting until the SW1 conversion ends*/
	63	val = CTRL_P2_BUSY;
	64
	65	while (!((val & CTRL_P2_EOCP2) && (!(val & CTRL_P2_BUSY)))) {
fc889503 OK	66	ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC,
fc889503 OK	67	twl->adc_ctrl, &val);
3e664f6d B	68	if (ret)
	69	return ret;
	70	udelay(1000);
	71	}
	72
	73	return 0;
	74	}
	75
d6a2042d PK	76	void twl6030_power_off(void)
	77	{
	78	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_PHOENIX_DEV_ON,
	79	TWL6030_PHOENIX_APP_DEVOFF \| TWL6030_PHOENIX_CON_DEVOFF \|
	80	TWL6030_PHOENIX_MOD_DEVOFF);
	81	}
	82
3e664f6d B	83	void twl6030_stop_usb_charging(void)
3e664f6d B	84	{
345ef204	85	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CONTROLLER_CTRL1, 0);
3e664f6d B	86
	87	return;
	88	}
	89
516799f6 SS	90	void twl6030_start_usb_charging(void)
516799f6 SS	91	{
345ef204 NM	92	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
	93	CHARGERUSB_VICHRG, CHARGERUSB_VICHRG_1500);
	94	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
	95	CHARGERUSB_CINLIMIT, CHARGERUSB_CIN_LIMIT_NONE);
	96	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
	97	CONTROLLER_INT_MASK, MBAT_TEMP);
	98	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
	99	CHARGERUSB_INT_MASK, MASK_MCHARGERUSB_THMREG);
	100	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
	101	CHARGERUSB_VOREG, CHARGERUSB_VOREG_4P0);
	102	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
	103	CHARGERUSB_CTRL2, CHARGERUSB_CTRL2_VITERM_400);
	104	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, CHARGERUSB_CTRL1, TERM);
516799f6	105	/* Enable USB charging */
345ef204 NM	106	twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER,
345ef204 NM	107	CONTROLLER_CTRL1, CONTROLLER_CTRL1_EN_CHARGER);
516799f6 SS	108	return;
	109	}
	110
3e664f6d B	111	int twl6030_get_battery_current(void)
	112	{
	113	int battery_current = 0;
	114	u8 msb = 0;
	115	u8 lsb = 0;
	116
345ef204 NM	117	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, FG_REG_11, &msb);
345ef204 NM	118	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, FG_REG_10, &lsb);
3e664f6d B	119	battery_current = ((msb << 8) \| lsb);
	120
	121	/* convert 10 bit signed number to 16 bit signed number */
	122	if (battery_current >= 0x2000)
	123	battery_current = (battery_current - 0x4000);
	124
	125	battery_current = battery_current * 3000 / 4096;
	126	printf("Battery Current: %d mA\n", battery_current);
	127
	128	return battery_current;
	129	}
	130
	131	int twl6030_get_battery_voltage(void)
	132	{
	133	int battery_volt = 0;
	134	int ret = 0;
340e6c83 OK	135	u8 vbatch;
	136
	137	if (twl->chip_type == chip_TWL6030) {
	138	vbatch = TWL6030_GPADC_VBAT_CHNL;
	139	} else {
	140	ret = twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
	141	TWL6032_GPSELECT_ISB,
	142	TWL6032_GPADC_VBAT_CHNL);
	143	if (ret)
	144	return ret;
	145	vbatch = 0;
	146	}
3e664f6d B	147
	148	/* Start GPADC SW conversion */
	149	ret = twl6030_gpadc_sw2_trigger();
	150	if (ret) {
	151	printf("Failed to convert battery voltage\n");
	152	return ret;
	153	}
	154
	155	/* measure Vbat voltage */
340e6c83	156	battery_volt = twl6030_gpadc_read_channel(vbatch);
3e664f6d B	157	if (battery_volt < 0) {
	158	printf("Failed to read battery voltage\n");
	159	return ret;
	160	}
fc889503	161	battery_volt = (battery_volt * twl->vbat_mult) >> twl->vbat_shift;
3e664f6d B	162	printf("Battery Voltage: %d mV\n", battery_volt);
	163
	164	return battery_volt;
	165	}
	166
516799f6 SS	167	void twl6030_init_battery_charging(void)
516799f6 SS	168	{
340e6c83	169	u8 val = 0;
3e664f6d B	170	int battery_volt = 0;
	171	int ret = 0;
	172
340e6c83 OK	173	ret = twl6030_i2c_read_u8(TWL6030_CHIP_USB, USB_PRODUCT_ID_LSB, &val);
	174	if (ret) {
	175	puts("twl6030_init_battery_charging(): could not determine chip!\n");
	176	return;
	177	}
	178	if (val == 0x30) {
	179	twl = &twl6030_info;
	180	} else if (val == 0x32) {
	181	twl = &twl6032_info;
	182	} else {
	183	puts("twl6030_init_battery_charging(): unsupported chip type\n");
	184	return;
	185	}
fc889503	186
3e664f6d	187	/* Enable VBAT measurement */
340e6c83 OK	188	if (twl->chip_type == chip_TWL6030) {
	189	twl6030_i2c_write_u8(TWL6030_CHIP_PM, MISC1, VBAT_MEAS);
	190	twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
	191	TWL6030_GPADC_CTRL,
	192	GPADC_CTRL_SCALER_DIV4);
	193	} else {
	194	twl6030_i2c_write_u8(TWL6030_CHIP_ADC,
	195	TWL6032_GPADC_CTRL2,
	196	GPADC_CTRL2_CH18_SCALER_EN);
	197	}
3e664f6d B	198
3e664f6d B	199	/* Enable GPADC module */
345ef204	200	ret = twl6030_i2c_write_u8(TWL6030_CHIP_CHARGER, TOGGLE1, FGS \| GPADCS);
3e664f6d B	201	if (ret) {
	202	printf("Failed to enable GPADC\n");
	203	return;
	204	}
	205
	206	battery_volt = twl6030_get_battery_voltage();
	207	if (battery_volt < 0)
	208	return;
	209
	210	if (battery_volt < 3000)
	211	printf("Main battery voltage too low!\n");
	212
	213	/* Check for the presence of USB charger */
340e6c83	214	twl6030_i2c_read_u8(TWL6030_CHIP_CHARGER, CONTROLLER_STAT1, &val);
3e664f6d B	215
3e664f6d B	216	/* check for battery presence indirectly via Fuel gauge */
340e6c83	217	if ((val & VBUS_DET) && (battery_volt < 3300))
3e664f6d B	218	twl6030_start_usb_charging();
3e664f6d B	219
516799f6 SS	220	return;
	221	}
	222
a85362fb	223	void twl6030_power_mmc_init(int dev_index)
14fa2dd0	224	{
d7b6a754 PK	225	u8 value = 0;
d7b6a754 PK	226
a85362fb PK	227	if (dev_index == 0) {
	228	/* 3.0V voltage output for VMMC */
	229	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VMMC_CFG_VOLTAGE,
	230	TWL6030_CFG_VOLTAGE_30);
	231
	232	/* Enable P1 output for VMMC */
	233	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VMMC_CFG_STATE,
	234	TWL6030_CFG_STATE_P1 \| TWL6030_CFG_STATE_ON);
a85362fb	235	} else if (dev_index == 1) {
28a3a43d NR	236	twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_PH_STS_BOOT,
28a3a43d NR	237	&value);
a85362fb PK	238	/* BOOT2 indicates 1.8V/2.8V VAUX1 for eMMC */
	239	if (value & TWL6030_PH_STS_BOOT2) {
	240	/* 1.8V voltage output for VAUX1 */
	241	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_VOLTAGE,
	242	TWL6030_CFG_VOLTAGE_18);
	243	} else {
	244	/* 2.8V voltage output for VAUX1 */
	245	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_VOLTAGE,
	246	TWL6030_CFG_VOLTAGE_28);
	247	}
	248
	249	/* Enable P1 output for VAUX */
	250	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VAUX1_CFG_STATE,
	251	TWL6030_CFG_STATE_P1 \| TWL6030_CFG_STATE_ON);
d7b6a754	252	}
14fa2dd0 B	253	}
14fa2dd0 B	254
516799f6 SS	255	void twl6030_usb_device_settings()
516799f6 SS	256	{
c5dbae7c	257	u8 value = 0;
516799f6	258
0343f71f PK	259	/* 3.3V voltage output for VUSB */
	260	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VUSB_CFG_VOLTAGE,
	261	TWL6030_CFG_VOLTAGE_33);
	262
c5dbae7c PK	263	/* Enable P1 output for VUSB */
	264	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_VUSB_CFG_STATE,
	265	TWL6030_CFG_STATE_P1 \| TWL6030_CFG_STATE_ON);
516799f6	266
c5dbae7c PK	267	/* Select the input supply for VUSB regulator */
	268	twl6030_i2c_read_u8(TWL6030_CHIP_PM, TWL6030_MISC2, &value);
	269	value \|= TWL6030_MISC2_VUSB_IN_VSYS;
6313c650	270	value &= ~TWL6030_MISC2_VUSB_IN_PMID;
c5dbae7c	271	twl6030_i2c_write_u8(TWL6030_CHIP_PM, TWL6030_MISC2, value);
516799f6	272	}
fb1b7712	273
2147a169	274	#if CONFIG_IS_ENABLED(DM_I2C)
fb1b7712 JJH	275	int twl6030_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
	276	{
	277	struct udevice *dev;
	278	int ret;
	279
	280	ret = i2c_get_chip_for_busnum(0, chip_no, 1, &dev);
	281	if (ret) {
	282	pr_err("unable to get I2C bus. ret %d\n", ret);
	283	return ret;
	284	}
	285	ret = dm_i2c_reg_write(dev, reg, val);
	286	if (ret) {
	287	pr_err("writing to twl6030 failed. ret %d\n", ret);
	288	return ret;
	289	}
	290	return 0;
	291	}
	292
	293	int twl6030_i2c_read_u8(u8 chip_no, u8 reg, u8 *valp)
	294	{
	295	struct udevice *dev;
	296	int ret;
	297
	298	ret = i2c_get_chip_for_busnum(0, chip_no, 1, &dev);
	299	if (ret) {
	300	pr_err("unable to get I2C bus. ret %d\n", ret);
	301	return ret;
	302	}
	303	ret = dm_i2c_reg_read(dev, reg);
	304	if (ret < 0) {
	305	pr_err("reading from twl6030 failed. ret %d\n", ret);
	306	return ret;
	307	}
	308	*valp = (u8)ret;
	309	return 0;
	310	}
	311	#endif