static int tps80031_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
u8 buff[7];
int ret;
buff[0] = bin2bcd(tm->tm_sec);
buff[1] = bin2bcd(tm->tm_min);
buff[2] = bin2bcd(tm->tm_hour);
buff[3] = bin2bcd(tm->tm_mday);
buff[4] = bin2bcd(tm->tm_mon + 1);
buff[5] = bin2bcd(tm->tm_year % RTC_YEAR_OFFSET);
buff[6] = bin2bcd(tm->tm_wday);
/* Stop RTC while updating the RTC time registers */
ret = tps80031_clr_bits(dev->parent, TPS80031_SLAVE_ID1,
TPS80031_RTC_CTRL_REG, STOP_RTC);
if (ret < 0) {
dev_err(dev->parent, "Stop RTC failed, err = %d\n", ret);
return ret;
}
ret = tps80031_writes(dev->parent, TPS80031_SLAVE_ID1,
TPS80031_SECONDS_REG,
TPS80031_RTC_TIME_NUM_REGS, buff);
if (ret < 0) {
dev_err(dev, "writing RTC_SECONDS_REG failed, err %d\n", ret);
return ret;
}
ret = tps80031_set_bits(dev->parent, TPS80031_SLAVE_ID1,
TPS80031_RTC_CTRL_REG, STOP_RTC);
if (ret < 0)
dev_err(dev->parent, "Start RTC failed, err = %d\n", ret);
return ret;
}
static int tps80031_rtc_alarm_irq_enable(struct device *dev,
unsigned int enable)
{
struct tps80031_rtc *rtc = dev_get_drvdata(dev);
int err;
struct device *p = dev->parent;
if (rtc->irq == -1)
return -EIO;
if (enable) {
if (rtc->irq_en == true)
return 0;
err = tps80031_set_bits(p, 1, RTC_INT, ENABLE_ALARM_INT);
if (err < 0) {
dev_err(p, "failed to set ALRM int. err: %d\n", err);
return err;
}
rtc->irq_en = true;
} else {
if (rtc->irq_en == false)
return 0;
err = tps80031_clr_bits(p, 1, RTC_INT, ENABLE_ALARM_INT);
if (err < 0) {
dev_err(p, "failed to clear ALRM int. err: %d\n", err);
return err;
}
rtc->irq_en = false;
}
return 0;
}
static int tps80031_rtc_stop(struct device *dev)
{
int err;
err = tps80031_clr_bits(dev->parent, 1, RTC_CTRL, STOP_RTC);
if (err < 0)
dev_err(dev->parent, "failed to stop RTC. err: %d\n", err);
return err;
}
static int tps80031_vbus_disable(struct regulator_dev *rdev)
{
struct tps80031_regulator *ri = rdev_get_drvdata(rdev);
struct device *parent = to_tps80031_dev(rdev);
int ret = 0;
if (ri->config_flags & TPS80031_VBUS_DISCHRG_EN_PDN) {
ret = tps80031_write(parent, TPS80031_SLAVE_ID2,
USB_VBUS_CTRL_SET, VBUS_DISCHRG);
if (ret < 0) {
dev_err(ri->dev, "reg 0x%02x write failed, e = %d\n",
USB_VBUS_CTRL_SET, ret);
return ret;
}
}
ret = tps80031_clr_bits(parent, TPS80031_SLAVE_ID2,
TPS80031_CHARGERUSB_CTRL1, OPA_MODE_EN);
if (ret < 0) {
dev_err(ri->dev, "reg 0x%02x clearbit failed, e = %d\n",
TPS80031_CHARGERUSB_CTRL1, ret);
return ret;
}
ret = tps80031_clr_bits(parent, TPS80031_SLAVE_ID2,
TPS80031_CHARGERUSB_CTRL3, BOOST_HW_PWR_EN);
if (ret < 0) {
dev_err(ri->dev, "reg 0x%02x clearbit failed, e = %d\n",
TPS80031_CHARGERUSB_CTRL3, ret);
return ret;
}
mdelay(DIV_ROUND_UP(ri->rinfo->desc.enable_time, 1000));
if (ri->config_flags & TPS80031_VBUS_DISCHRG_EN_PDN) {
ret = tps80031_write(parent, TPS80031_SLAVE_ID2,
USB_VBUS_CTRL_CLR, VBUS_DISCHRG);
if (ret < 0) {
dev_err(ri->dev, "reg 0x%02x write failed, e = %d\n",
USB_VBUS_CTRL_CLR, ret);
return ret;
}
}
return ret;
}
static int tps80031_rtc_alarm_irq_enable(struct device *dev,
unsigned int enable)
{
int ret;
if (enable)
ret = tps80031_set_bits(dev->parent, TPS80031_SLAVE_ID1,
TPS80031_RTC_INTERRUPTS_REG, ENABLE_ALARM_INT);
else
ret = tps80031_clr_bits(dev->parent, TPS80031_SLAVE_ID1,
TPS80031_RTC_INTERRUPTS_REG, ENABLE_ALARM_INT);
if (ret < 0) {
dev_err(dev, "Update on RTC_INT failed, err = %d\n", ret);
return ret;
}
return 0;
}
