static int s2m_get_voltage_sel_regmap(struct regulator_dev *rdev)
{
struct s2mps16_info *s2mps16 = rdev_get_drvdata(rdev);
int ret, reg_id = rdev_get_id(rdev);
unsigned int val;
/* if dvs pin set high, get the voltage on the diffrent register. */
if (reg_id == S2MPS16_BUCK6
&& s2mps16->dvs_en && s2m_get_dvs_is_on()) {
ret = sec_reg_read(s2mps16->iodev, S2MPS16_REG_B6CTRL2, &val);
if (ret)
return ret;
} else if ((reg_id >= S2MPS16_BUCK1 && reg_id <= S2MPS16_BUCK5)
&& s2mps16->vsel_value[reg_id] && s2mps16->cache_data) {
return s2mps16->vsel_value[reg_id];
} else {
ret = sec_reg_read(s2mps16->iodev, rdev->desc->vsel_reg, &val);
if (ret)
return ret;
}
val &= rdev->desc->vsel_mask;
return val;
}
static int s2m_is_enabled_regmap(struct regulator_dev *rdev)
{
struct s2mps16_info *s2mps16 = rdev_get_drvdata(rdev);
int ret, reg_id = rdev_get_id(rdev);
unsigned int val;
/* DVS regulators (MIF, INT, APOLLO, ATLANTIC, DISP_CAM0) */
if (reg_id == S2MPS16_BUCK1 || reg_id == S2MPS16_BUCK2 ||
reg_id == S2MPS16_BUCK3 || reg_id == S2MPS16_BUCK4 ||
reg_id == S2MPS16_BUCK5)
return 1;
/* BUCK6 is controlled by g3d gpio */
if (reg_id == S2MPS16_BUCK6 && s2mps16->g3d_en) {
exynos_pmu_read(EXYNOS_PMU_G3D_STATUS, &val);
if ((val & LOCAL_PWR_CFG) == LOCAL_PWR_CFG)
return 1;
else
return 0;
} else {
ret = sec_reg_read(s2mps16->iodev,
rdev->desc->enable_reg, &val);
if (ret)
return ret;
}
if (rdev->desc->enable_is_inverted)
return (val & rdev->desc->enable_mask) == 0;
else
return (val & rdev->desc->enable_mask) != 0;
}
static int s2mps11_pmic_probe(struct platform_device *pdev)
{
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct sec_platform_data *pdata = iodev->pdata;
struct regulator_config config = { };
struct s2mps11_info *s2mps11;
int i, ret;
ret = sec_reg_read(iodev, S2MPS11_REG_ID, &iodev->rev_num);
if (ret < 0)
return ret;
if (iodev->dev->of_node) {
ret = s2mps11_pmic_dt_parse_pdata(iodev, pdata);
if (ret)
return ret;
}
if (!pdata) {
dev_err(pdev->dev.parent, "Platform data not supplied\n");
return -ENODEV;
}
s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info),
GFP_KERNEL);
if (!s2mps11)
return -ENOMEM;
platform_set_drvdata(pdev, s2mps11);
for (i = 0; i < pdata->num_regulators; i++) {
int id = pdata->regulators[i].id;
config.dev = &pdev->dev;
config.regmap = iodev->regmap;
config.init_data = pdata->regulators[i].initdata;
config.driver_data = s2mps11;
config.of_node = pdata->regulators[i].reg_node;
s2mps11->opmode[id] = regulators[S2MPS11_DESC_TYPE0][id].enable_mask;
s2mps11->rdev[i] = regulator_register(
®ulators[S2MPS11_DESC_TYPE0][id], &config);
if (IS_ERR(s2mps11->rdev[i])) {
ret = PTR_ERR(s2mps11->rdev[i]);
dev_err(&pdev->dev, "regulator init failed for %d\n",
i);
s2mps11->rdev[i] = NULL;
goto err;
}
}
return 0;
err:
for (i = 0; i < S2MPS11_REGULATOR_MAX; i++)
regulator_unregister(s2mps11->rdev[i]);
return ret;
}
static bool s2mps11_rtc_is_jigonb_low(struct s2mps11_rtc_info *info)
{
int ret;
u8 val;
ret = sec_reg_read(info->iodev, S2MPS11_REG_ST1, &val);
if (ret < 0) {
pr_err("%s: fail to read status1 reg(%d)\n",
__func__, ret);
return false;
}
return !(val & S2MPS11_ST1_JIGONB_MASK);
}
static int s2m_set_fix_ldo_voltage(struct regulator_dev *rdev, bool fix_en)
{
int ret, old_sel, old_val;
struct s2mps16_info *s2mps16 = rdev_get_drvdata(rdev);
int reg_id = rdev_get_id(rdev);
unsigned int buck2_sync_val = 0;
char name[16];
if (s2mps16->cache_data && s2mps16->vsel_value[reg_id])
old_val = rdev->desc->min_uV +
(s2mps16->vsel_value[reg_id] * rdev->desc->uV_step);
else {
ret = sec_reg_read(s2mps16->iodev, rdev->desc->vsel_reg, &old_sel);
if (ret < 0)
goto out;
old_val = rdev->desc->min_uV + (rdev->desc->uV_step * old_sel);
}
snprintf(name, sizeof(name), "BUCK%d", (reg_id - S2MPS16_BUCK1) + 1);
/* Set buck2 voltage BUCK2_SYNC_VOLTAGE(1150mV) */
buck2_sync_val = (BUCK2_SYNC_VOLTAGE - S2MPS16_BUCK_MIN1) / S2MPS16_BUCK_STEP1;
exynos_ss_regulator(name, rdev->desc->vsel_reg, BUCK2_SYNC_VOLTAGE, ESS_FLAG_IN);
s2mps16->vsel_value[reg_id] = buck2_sync_val;
ret = sec_reg_write(s2mps16->iodev, rdev->desc->vsel_reg, buck2_sync_val);
if (ret < 0) {
exynos_ss_regulator(name, rdev->desc->vsel_reg, BUCK2_SYNC_VOLTAGE, ESS_FLAG_ON);
goto out;
}
exynos_ss_regulator(name, rdev->desc->vsel_reg, BUCK2_SYNC_VOLTAGE, ESS_FLAG_OUT);
if (BUCK2_SYNC_VOLTAGE > old_val)
udelay(DIV_ROUND_UP((BUCK2_SYNC_VOLTAGE - old_val), rdev->constraints->ramp_delay));
if (reg_id == S2MPS16_BUCK2) {
ret = sec_reg_update(s2mps16->iodev, S2MPS16_REG_LDO7_DVS,
fix_en << 2, 0x1 << 2);
if (ret < 0)
goto out;
s2mps16->buck2_sync = fix_en ? true : false;
}
return ret;
out:
pr_warn("%s: failed to fix_ldo_voltage\n", rdev->desc->name);
return ret;
}
static int s2mps11_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct s2mps11_rtc_info *info = dev_get_drvdata(dev);
u8 data[7];
unsigned int val;
int ret, i;
ret = sec_rtc_bulk_read(info->iodev, S2MPS11_ALARM0_SEC, 7, data);
if (ret < 0)
return ret;
s2mps11_data_to_tm(data, &alrm->time, info->rtc_24hr_mode);
pr_debug("%s: %d/%d/%d %d:%d:%d(%d)\n", __func__,
1900 + alrm->time.tm_year, 1 + alrm->time.tm_mon,
alrm->time.tm_mday, alrm->time.tm_hour,
alrm->time.tm_min, alrm->time.tm_sec,
alrm->time.tm_wday);
alrm->enabled = 0;
for (i = 0; i < 7; i++) {
if (data[i] & ALARM_ENABLE_MASK) {
alrm->enabled = 1;
break;
}
}
alrm->pending = 0;
ret = sec_reg_read(info->iodev, S2MPS11_REG_ST2, &val);
if (ret < 0)
return ret;
if (val & RTCA0E)
alrm->pending = 1;
else
alrm->pending = 0;
return 0;
}
static int s2mps13_pmic_probe(struct platform_device *pdev)
{
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct sec_platform_data *pdata = iodev->pdata;
struct regulator_config config = { };
struct s2mps13_info *s2mps13;
int i, ret;
unsigned int s2mps13_desc_type;
ret = sec_reg_read(iodev, S2MPS13_REG_ID, &iodev->rev_num);
if (ret < 0)
return ret;
s2mps13_desc_type = SEC_PMIC_REV(iodev) ? S2MPS13_DESC_TYPE1 : S2MPS13_DESC_TYPE0;
if (iodev->dev->of_node) {
ret = s2mps13_pmic_dt_parse_pdata(iodev, pdata);
if (ret)
return ret;
}
if (!pdata) {
dev_err(pdev->dev.parent, "Platform data not supplied\n");
return -ENODEV;
}
s2mps13 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps13_info),
GFP_KERNEL);
if (!s2mps13)
return -ENOMEM;
s2mps13->dvs_en = pdata->dvs_en;
s2mps13->g3d_en = pdata->g3d_en;
s2mps13->iodev = iodev;
static_info = s2mps13;
if (SEC_PMIC_REV(iodev) > 0x02 && gpio_is_valid(pdata->dvs_pin)) {
if (!pdata->dvs_en) {
/* Off DVS Control GPIO */
ret = devm_gpio_request(&pdev->dev, pdata->dvs_pin,
"S2MPS13 DVS_PIN");
if (ret < 0)
return ret;
gpio_direction_output(pdata->dvs_pin, 0);
} else {
/* Set DVS Regulator Voltage */
ret = sec_reg_write(iodev, S2MPS13_REG_B6CTRL3, 0x28);
if (ret < 0)
return ret;
if (!gpio_is_valid(pdata->dvs_pin)) {
dev_err(&pdev->dev, "dvs_pin GPIO NOT VALID\n");
return -EINVAL;
}
}
s2mps13->dvs_pin = pdata->dvs_pin;
}
platform_set_drvdata(pdev, s2mps13);
for (i = 0; i < pdata->num_regulators; i++) {
int id = pdata->regulators[i].id;
config.dev = &pdev->dev;
config.regmap = iodev->regmap;
config.init_data = pdata->regulators[i].initdata;
config.driver_data = s2mps13;
config.of_node = pdata->regulators[i].reg_node;
s2mps13->opmode[id] = regulators[s2mps13_desc_type][id].enable_mask;
s2mps13->rdev[i] = regulator_register(
®ulators[s2mps13_desc_type][id], &config);
if (IS_ERR(s2mps13->rdev[i])) {
ret = PTR_ERR(s2mps13->rdev[i]);
dev_err(&pdev->dev, "regulator init failed for %d\n",
i);
s2mps13->rdev[i] = NULL;
goto err;
}
}
if (pdata->g3d_en
&& SEC_PMIC_REV(iodev) > 0x02 && gpio_is_valid(pdata->g3d_pin)) {
ret = devm_gpio_request(&pdev->dev, pdata->g3d_pin,
"S2MPS13 G3D_PIN");
if (pdata->g3d_en) {
gpio_direction_output(pdata->g3d_pin, 1);
udelay(128);
ret = sec_reg_update(iodev, S2MPS13_REG_B6CTRL1, 0x00, 0xC0);
ret = sec_reg_update(iodev, S2MPS13_REG_LDO_DVS3, 0x02, 0x02);
} else
gpio_direction_output(pdata->g3d_pin, 0);
s2mps13->g3d_pin = pdata->g3d_pin;
}
/* PMIC AVP(Adaptive Voltage Positioning) Configuration */
if (pdata->ap_buck_avp_en) {
sec_reg_write(iodev, 0x91, 0x4F); /* Buck4 AVP level 11mV/A */
sec_reg_write(iodev, 0x99, 0x4D); /* Buck6 AVP level 7mV/A */
sec_reg_update(iodev, S2MPS13_REG_B4CTRL1, 0x02, 0x02); /* Buck4 AVP On */
sec_reg_update(iodev, S2MPS13_REG_B6CTRL1, 0x02, 0x02); /* Buck6 AVP On */
}
if (pdata->sub_buck_avp_en) {
sec_reg_write(iodev, 0xBA, 0x4C); /* Buck8 AVP level 90mV/A */
sec_reg_write(iodev, 0xBB, 0x6A); /* Buck9 AVP level 115mV/A */
sec_reg_write(iodev, 0xB1, 0x0A); /* Buck8 AVP amp offset code */
sec_reg_write(iodev, 0xB5, 0x2A); /* Buck9 AVP amp offset code */
sec_reg_update(iodev, S2MPS13_REG_B8CTRL1, 0x02, 0x02); /* Buck8 AVP On */
sec_reg_update(iodev, S2MPS13_REG_B9CTRL1, 0x02, 0x02); /* Buck9 AVP On */
}
return 0;
err:
for (i = 0; i < S2MPS13_REGULATOR_MAX; i++)
regulator_unregister(s2mps13->rdev[i]);
return ret;
}
static int s2mps16_pmic_probe(struct platform_device *pdev)
{
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct sec_platform_data *pdata = iodev->pdata;
struct regulator_config config = { };
struct s2mps16_info *s2mps16;
int i, ret, delta_sel;
unsigned int temp;
unsigned int s2mps16_desc_type;
unsigned int buck2_temp = 0;
ret = sec_reg_read(iodev, S2MPS16_REG_ID, &SEC_PMIC_REV(iodev));
if (ret < 0)
return ret;
s2mps16_desc_type = S2MPS16_DESC_TYPE0;
if (iodev->dev->of_node) {
ret = s2mps16_pmic_dt_parse_pdata(iodev, pdata);
if (ret)
return ret;
}
if (!pdata) {
dev_err(pdev->dev.parent, "Platform data not supplied\n");
return -ENODEV;
}
s2mps16 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps16_info),
GFP_KERNEL);
if (!s2mps16)
return -ENOMEM;
s2mps16->desc_type = s2mps16_desc_type;
s2mps16->iodev = iodev;
s2mps16->buck11_en = (const char *)of_find_property(iodev->dev->of_node,
"buck11_en", NULL);
mutex_init(&s2mps16->lock);
static_info = s2mps16;
s2mps16->dvs_en = pdata->dvs_en;
s2mps16->g3d_en = pdata->g3d_en;
s2mps16->cache_data = pdata->cache_data;
s2mps16->int_max = 0;
s2mps16->buck_dvs_on = pdata->buck_dvs_on;
if (s2mps16->buck_dvs_on)
dev_info(&pdev->dev, "Buck dvs mode enabled \n");
if (gpio_is_valid(pdata->dvs_pin)) {
ret = devm_gpio_request(&pdev->dev, pdata->dvs_pin,
"S2MPS16 DVS_PIN");
if (ret < 0)
return ret;
if (pdata->dvs_en) {
/* Set DVS Regulator Voltage 0x20 - 0.5 voltage */
ret = sec_reg_write(iodev, S2MPS16_REG_B6CTRL2, 0x20);
if (ret < 0)
return ret;
s2m_init_dvs();
s2mps16->dvs_pin = pdata->dvs_pin;
} else
dev_err(&pdev->dev, "g3d dvs is not enabled.\n");
}
platform_set_drvdata(pdev, s2mps16);
for (i = 0; i < pdata->num_regulators; i++) {
int id = pdata->regulators[i].id;
config.dev = &pdev->dev;
config.regmap = iodev->regmap;
config.init_data = pdata->regulators[i].initdata;
config.driver_data = s2mps16;
config.of_node = pdata->regulators[i].reg_node;
s2mps16->opmode[id] =
regulators[s2mps16_desc_type][id].enable_mask;
s2mps16->rdev[i] = regulator_register(
®ulators[s2mps16_desc_type][id], &config);
if (IS_ERR(s2mps16->rdev[i])) {
ret = PTR_ERR(s2mps16->rdev[i]);
dev_err(&pdev->dev, "regulator init failed for %d\n",
i);
s2mps16->rdev[i] = NULL;
goto err;
}
if ((id == S2MPS16_BUCK1 || id == S2MPS16_BUCK2
|| id == S2MPS16_BUCK3 || id == S2MPS16_LDO8)
&& s2mps16->buck_dvs_on) {
mutex_lock(&s2mps16->lock);
ret = s2m_set_ldo_dvs_control(s2mps16->rdev[i]);
if (ret < 0)
dev_err(&pdev->dev, "failed vth/delta init, id(%d)\n", id);
mutex_unlock(&s2mps16->lock);
}
}
s2mps16->num_regulators = pdata->num_regulators;
if (s2mps16->buck_dvs_on) {
delta_sel = 0;
if (s2mps16->buck2_dvs == 0)
delta_sel = 100000;
else if (s2mps16->buck2_dvs == 1)
delta_sel = 0;
else if (s2mps16->buck2_dvs == 2)
delta_sel = 75000;
else if (s2mps16->buck2_dvs == 3)
delta_sel = 50000;
else
delta_sel = 0;
delta_sel = delta_sel / S2MPS16_BUCK_STEP1;
/* Read BUCK2_OUT value */
ret = sec_reg_read(iodev, S2MPS16_REG_B2CTRL2, &temp);
if (ret < 0)
goto err;
buck2_temp = temp;
/* Check tar_volt+delta range (0x98 means 1250000uV) */
s2mps16->buck2_sync = (temp + delta_sel > 0x98) ? false : true;
if (!s2mps16->buck2_sync) {
/* Set BUCK2 output voltage 1150000uV */
ret = sec_reg_write(s2mps16->iodev, S2MPS16_REG_B2CTRL2, 0x88);
if (ret < 0)
goto err;
/* Disable buck2 dvs mode */
ret = sec_reg_update(s2mps16->iodev, S2MPS16_REG_LDO7_DVS,
0 << 2, 0x1 << 2);
if (ret < 0)
goto err;
/* Set buck previous target voltage */
ret = sec_reg_write(s2mps16->iodev, S2MPS16_REG_B2CTRL2, buck2_temp);
if (ret < 0)
goto err;
}
ret = sec_reg_read(iodev, S2MPS16_REG_LDO7_DVS, &temp);
if (ret < 0)
goto err;
ret = sec_reg_read(iodev, S2MPS16_REG_B4CTRL2, &s2mps16->buck4_sel);
if (ret < 0)
goto err;
ret = sec_reg_read(iodev, S2MPS16_REG_B5CTRL2, &s2mps16->buck5_sel);
if (ret < 0)
goto err;
dev_info(&pdev->dev, "S2MPS16_REG_LDO7_DVS : %8.x \n", temp);
dev_info(&pdev->dev, "S2MPS16_REG_B4CTRL2 : %8.x \n", s2mps16->buck4_sel);
dev_info(&pdev->dev, "S2MPS16_REG_B5CTRL2 : %8.x \n", s2mps16->buck5_sel);
s2mps16->int_max = s2m_get_max_int_voltage(s2mps16);
}
if (pdata->g3d_en) {
/* for buck6 gpio control, disable i2c control */
ret = sec_reg_update(iodev, S2MPS16_REG_B6CTRL1,
0x80, 0xC0);
if (ret) {
dev_err(&pdev->dev, "buck6 gpio control error\n");
goto err;
}
if (!s2mps16->buck11_en) {
ret = sec_reg_update(iodev, S2MPS16_REG_L11CTRL,
0x00, 0xC0);
if (ret) {
dev_err(&pdev->dev, "regulator sync enable error\n");
goto err;
}
} else {
/* for buck11 gpio control, disable i2c control */
ret = sec_reg_update(iodev, S2MPS16_REG_B11CTRL1,
0x80, 0xC0);
if (ret) {
dev_err(&pdev->dev, "buck11 gpio control error\n");
goto err;
}
}
}
if (pdata->smpl_warn_en) {
ret = sec_reg_update(iodev, S2MPS16_REG_CTRL2,
pdata->smpl_warn_vth, 0xe0);
if (ret) {
dev_err(&pdev->dev, "set smpl_warn configuration i2c write error\n");
goto err;
}
pr_info("%s: smpl_warn vth is 0x%x\n", __func__,
pdata->smpl_warn_vth);
ret = sec_reg_update(iodev, S2MPS16_REG_CTRL2,
pdata->smpl_warn_hys, 0x18);
if (ret) {
dev_err(&pdev->dev, "set smpl_warn configuration i2c write error\n");
goto err;
}
pr_info("%s: smpl_warn hysteresis is 0x%x\n", __func__,
pdata->smpl_warn_hys);
}
/* RTC Low jitter mode */
ret = sec_reg_update(iodev, S2MPS16_REG_RTC_BUF, 0x10, 0x10);
if (ret) {
dev_err(&pdev->dev, "set low jitter mode i2c write error\n");
goto err;
}
/* SELMIF set LDO2,4,5,6,8,9,12,13 controlled by PWREN_MIF */
ret = sec_reg_write(iodev, S2MPS16_REG_SELMIF, 0xFF);
if (ret) {
dev_err(&pdev->dev, "set selmif sel error\n");
goto err;
}
sec_reg_update(iodev, S2MPS16_REG_B4CTRL1, 0x00, 0x10);
ret = sec_reg_write(iodev, 0x9B, 0x10);
if (ret) {
dev_err(&pdev->dev, "BUCK8, BUCK9 DVS setting failed\n");
goto err;
}
/* On sequence Config for PWREN_MIF */
sec_reg_write(iodev, 0x70, 0xB4); /* seq. Buck2, Buck1 */
sec_reg_write(iodev, 0x71, 0x2C); /* seq. Buck4, Buck3 */
sec_reg_write(iodev, 0x72, 0xD4); /* seq. Buck6, Buck5 */
sec_reg_write(iodev, 0x73, 0x11); /* seq. Buck8, Buck7 */
sec_reg_write(iodev, 0x74, 0xE0); /* seq. Buck10, Buck9 */
if (s2mps16->buck11_en)
sec_reg_write(iodev, 0x75, 0x27); /* seq. BB, Buck11 */
else
sec_reg_write(iodev, 0x75, 0x20);
sec_reg_write(iodev, 0x76, 0x93); /* seq. LDO2, LDO1 */
sec_reg_write(iodev, 0x77, 0x60); /* Seq. LDO4, LDO3 */
sec_reg_write(iodev, 0x78, 0x87); /* seq. LDO6, LDO5 */
sec_reg_write(iodev, 0x79, pdata->ldo8_7_seq); /* Seq. LDO8, LDO7 */
sec_reg_write(iodev, 0x7A, pdata->ldo10_9_seq); /* Seq. LDO10, LDO9 */
if (s2mps16->buck11_en)
sec_reg_write(iodev, 0x7B, 0x50); /* Seq. LDO12, LDO11 */
else
sec_reg_write(iodev, 0x7B, 0x57);
sec_reg_write(iodev, 0x7C, 0x75); /* Seq. LDO14, LDO13 */
sec_reg_write(iodev, 0x7D, 0x98); /* Seq. LDO16, LDO15 */
sec_reg_write(iodev, 0x7E, 0x00); /* Seq. LDO18, LDO17 */
sec_reg_write(iodev, 0x7F, 0x00); /* Seq. LDO20, LDO19 */
sec_reg_write(iodev, 0x80, 0x21); /* Seq. LDO22, LDO21 */
sec_reg_write(iodev, 0x81, 0x3F); /* Seq. LDO24, LDO23 */
sec_reg_write(iodev, 0x82, 0x00); /* Seq. LDO26, LDO25 */
sec_reg_write(iodev, 0x83, 0x40); /* Seq. B1~B8*/
sec_reg_write(iodev, 0x84, 0x40); /* Seq. B9~B11, BB, LDO1~4 */
sec_reg_write(iodev, 0x85, 0x00); /* Seq. LDO5~12 */
sec_reg_write(iodev, 0x86, 0x0E); /* Seq. LDO13~20 */
sec_reg_write(iodev, 0x87, 0x00); /* Seq. LDO26~21 */
return 0;
err:
for (i = 0; i < S2MPS16_REGULATOR_MAX; i++)
regulator_unregister(s2mps16->rdev[i]);
return ret;
}